IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part...
Transcript of IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part...
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IVI™ClassDriverHelpforLabVIEW™January2007Edition,PartNumber370036E-01ThishelpfilecontainstechnicalandprogrammingsupportforthefollowingNationalInstrumentsInterchangeableVirtualInstrumentsclassdrivers:IviDCPwr,IviDmm,IviFgen,IviPwrMeter,RFSigGen,IviScope,IviSpecAn,andIviSwtch.ThishelpfilealsodescribesthefundamentalandadvancedterminologyfortheseIVIclassdrivers.ThishelpfileisintendedforusebydeveloperswithaworkingknowledgeofLabVIEW.ClickontheIVIclass-driverlibraryyouwanttoreferto:
IviDCPwrPowerSupply
IviDmmDigitalMultimeter IviFgenFunctionGenerator IviPwrMeterPowerMeter
IviRFSigGenRFSignalGenerator
IviSpecAnSpectrumAnalyzer
IviScopeOscilloscope IviSwtchSwitch
Tonavigatethishelpfile,usetheContents,Index,andSearchtabstotheleftofthiswindow.Formoreinformationaboutthishelpfile,refertothefollowingtopics:Conventions—formattingandtypographicalconventionsinthishelpfileRelatedDocumentationImportantInformationTechnicalSupportandProfessionalServicesTocommentonNationalInstrumentsdocumentation,refertotheNationalInstrumentsWebsite.©2000–2007NationalInstrumentsCorporation.Allrightsreserved.
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UsingHelpConventionsNavigatingHelpSearchingHelpPrintingHelpFileTopics
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ConventionsThishelpfileusesthefollowingconventions:
<> Anglebracketsthatcontainnumbersseparatedbyanellipsisrepresentarangeofvaluesassociatedwithabitorsignalname—forexample,DBIO<3..0>.
» The»symbolleadsyouthroughnestedmenuitemsanddialogboxoptionstoafinalaction.ThesequenceFile»PageSetup»OptionsdirectsyoutopulldowntheFilemenu,selectthePageSetupitem,andselectOptionsfromthelastdialogbox.Thisicondenotesanote,whichalertsyoutoimportantinformation.
bold Boldtextdenotesitemsthatyoumustselectorclickoninthesoftware,suchasmenuitemsanddialogboxoptions.Boldtextalsodenotesparameternames,emphasis,oranintroductiontoakeyconcept.
green Underlinedtextinthiscolordenotesalinktoahelptopic,helpfile,orWebaddress.
italic Italictextdenotesvariablesorcrossreferences.Thisfontalsodenotestextthatisaplaceholderforawordorvaluethatyoumustsupply.
monospace Textinthisfontdenotestextorcharactersthatyoushouldenterfromthekeyboard,sectionsofcode,programmingexamples,andsyntaxexamples.Thisfontisalsousedforthepropernamesofdiskdrives,paths,directories,programs,subprograms,subroutines,devicenames,functions,operations,variables,filenamesandextensions,andcodeexcerpts.
monospacebold
Boldtextinthisfontdenotesthemessagesandresponsesthatthecomputerautomaticallyprintstothescreen.Thisfontalsoemphasizeslinesofcodethataredifferentfromtheotherexamples.
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NavigatingHelp(WindowsOnly)Tonavigatethishelpfile,usetheContents,Index,andSearchtabstotheleftofthiswindoworusethefollowingtoolbarbuttonslocatedabovethetabs:
Hide—Hidesthenavigationpanefromview.Locate—LocatesthecurrentlydisplayedtopicintheContentstab,allowingyoutoviewrelatedtopics.Back—Displaysthepreviouslyviewedtopic.Forward—DisplaysthetopicyouviewedbeforeclickingtheBackbutton.Options—Displaysalistofcommandsandviewingoptionsforthehelpfile.
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PrintingHelpFileTopics(WindowsOnly)CompletethefollowingstepstoprintanentirebookfromtheContentstab:
1. Right-clickthebook.2. SelectPrintfromtheshortcutmenutodisplaythePrintTopics
dialogbox.3. SelectthePrinttheselectedheadingandallsubtopicsoption.
NoteSelectPrinttheselectedtopicifyouwanttoprintthesingletopicyouhaveselectedintheContentstab.
4. ClicktheOKbutton.
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PrintingPDFDocumentsThishelpfilemaycontainlinkstoPDFdocuments.ToprintPDFdocuments,clicktheprintbuttonlocatedontheAdobeAcrobatViewertoolbar.
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SearchingHelp(WindowsOnly)UsetheSearchtabtotheleftofthiswindowtolocatecontentinthishelpfile.Ifyouwanttosearchforwordsinacertainorder,suchas"relateddocumentation,"addquotationmarksaroundthesearchwordsasshownintheexample.SearchingfortermsontheSearchtaballowsyoutoquicklylocatespecificinformationandinformationintopicsthatarenotincludedontheContentstab.
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WildcardsYoualsocansearchusingasterisk(*)orquestionmark(?)wildcards.Usetheasteriskwildcardtoreturntopicsthatcontainacertainstring.Forexample,asearchfor"prog*"liststopicsthatcontainthewords"program,""programmatically,""progress,"andsoon.Usethequestionmarkwildcardasasubstituteforasinglecharacterinasearchterm.Forexample,"?ext"liststopicsthatcontainthewords"next,""text,"andsoon.
NoteWildcardsearchingwillnotworkonSimplifiedChinese,TraditionalChinese,Japanese,andKoreansystems.
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NestedExpressionsUsenestedexpressionstocombinesearchestofurtherrefineasearch.YoucanuseBooleanexpressionsandwildcardsinanestedexpression.Forexample,"exampleAND(programORVI)"liststopicsthatcontain"exampleprogram"or"exampleVI."Youcannotnestexpressionsmorethanfivelevels.
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BooleanExpressionsClickthe buttontoaddBooleanexpressionstoasearch.ThefollowingBooleanoperatorsareavailable:
AND(default)—Returnstopicsthatcontainbothsearchterms.Youdonotneedtospecifythisoperatorunlessyouareusingnestedexpressions.OR—Returnstopicsthatcontaineitherthefirstorsecondterm.NOT—Returnstopicsthatcontainthefirsttermwithoutthesecondterm.NEAR—Returnstopicsthatcontainbothtermswithineightwordsofeachother.
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SearchOptions
UsethefollowingcheckboxesontheSearchtabtocustomizeasearch:Searchpreviousresults—Narrowstheresultsfromasearchthatreturnedtoomanytopics.Youmustremovethecheckmarkfromthischeckboxtosearchalltopics.Matchsimilarwords—Broadensasearchtoreturntopicsthatcontainwordssimilartothesearchterms.Forexample,asearchfor"program"liststopicsthatincludethewords"programs,""programming,"andsoon.Searchtitlesonly—Searchesonlyinthetitlesoftopics.
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IVIClassDriverHelpforLabVIEWOverviewThishelpfilecontainstechnicalandprogrammingsupportforthefollowingNationalInstrumentsInterchangeableVirtualInstrumentsclassdrivers:IviDCPwr,IviDmm,IviFgen,IviPwrMeter,RFSigGen,IviScope,IviSpecAn,andIviSwtch.ThisbookalsodescribesthefundamentalandadvancedterminologyfortheseIVIclassdrivers.ThetopicsincludedinthisbookareintendedforusebydeveloperswithaworkingknowledgeofLabVIEW.ClickontheIVIclass-driverlibraryyouwanttoreferto:
IviDCPwrPowerSupply
IviDmmDigitalMultimeter
IviFgenFunctionGenerator
IviPwrMeterPowerMeter
IviRFSigGenRFSignalGenerator
IviSpecAnSpectrumAnalyzer
IviScopeOscilloscope
IviSwtchSwitch
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RelatedDocumentationThefollowingdocumentscontaininformationthatyoumightfindhelpfulasyouusethishelpfile:
ApplicationNotes—Alibrarywithmorethan100shortpapersaddressingspecifictopicssuchascreatingandcallingDLLs,developingyourowninstrumentdriversoftware,andportingapplicationsbetweenplatformsandoperatingsystems.Measurement&AutomationExplorerHelpforIVI—ThishelpfilediscusseshowtoconfigureyoursystemwithMAX.LabWindows/CVIInstrumentDriverDevelopersGuide—ThisdocumentdescribesguidelinesforwritinganIVIinstrumentdriver.Todownloadandusethisdocument,clickni.com/manuals,andsearchfortheLabWindows/CVIInstrumentDriverDevelopersGuide.IVIFoundation—ThiswebsiteprovidesinformationfromtheIVIFoundation,includingthespecificationsforeachinstrumentclass.
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SampleProgramsTheIVIsampleprogramsforLabVIEWarelocatedintheLabVIEW\examples\instr\IviClass.llbdirectory.Thesampleprogramsarebasicexamplesofclassdriveroperations.Eachexampleallowsyoutointeractivelyconfigurethedevice.Someofthefrontpaneldefaultsettingsmightnotapplytoallinstruments.RefertotheVIandcontrolhelpofthespecificinstrumentdriverforadescriptionofvalidvaluesforyourinstrument.
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IVIInherentCapabilitiesExpandthistopictoviewinherentVIsandProperties.
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IVIInherentClassCapabilitiesOverviewThissectioncontainsinformationanddescriptionsforinherentdriverVIsthatallclassdriverssupport.ScrolldownforinformationaboutclassdriverinherentVIs.YoucancallanyoftheseinherentVIs.
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IVIInherentVIsClass/PanelName VINameInitialize/CloseVIsInitialize ClassPrefixInitialize
InitializewithOptions ClassPrefixInitializeWithOptions
Close ClassPrefixClose
PropertyAccessInvalidateAllAttributes ClassPrefixInvalidateAllAttributes
ChannelAccessGetChannelName ClassPrefixGetChannelName
UtilityVIsReset ClassPrefixResetResetWithDefaults ClassPrefixResetWithDefaultsSelf-Test ClassPrefixSelf-Test
Disable ClassPrefixDisableRevisionQuery ClassPrefixRevisionQueryError-Query ClassPrefixError-QueryErrorMessage ClassPrefixErrorMessageCoercionGetNextCoercionRecord ClassPrefixGetNextCoercionRecordInterchangeabilityCheckingGetNextInterchangeWarning
ClassPrefixGetNextInterchangeWarning
ResetInterchangeCheck ClassPrefixResetInterchangeCheckClearInterchangeWarnings ClassPrefixClearInterchangeWarnings
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RelatedTopicsIVIInherentPropertiesIVIStatusCodes
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ClassPrefixClearInterchangeWarningsIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmClearInterchangeWarnings.TheclassdriverperformsinterchangeabilitycheckingiftheClassPrefixInterchangeCheckpropertyissettoTRUE.ThisVIclearsthelistofcurrentinterchangewarnings.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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ClassPrefixCloseIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmClose.
ThisVIperformsthefollowingoperations:
ClosestheinstrumentI/Osession.Destroystheinstrumentdriversessionandallofitsproperties.Deallocatesanymemoryresourcesthedriveruses.
NoteAftercallingClassPrefixClose,youcannotusetheinstrumentdriveragainuntilyoucallClassPrefixInitialize.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorin(noerror)UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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ClassPrefixDisableIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmDisable.
ThisVIplacestheinstrumentinaquiescentstatewhereithasminimalornoimpactonthesystemtowhichitisconnected.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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ClassPrefixErrorMessageIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmErrorMessage.ThisVIconvertsastatuscodereturnedbyaninstrumentdriverintoauser-readablestring.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.ErrorCodePasstheStatusparameterthatisreturnedfromanyoftheinstrumentdriverVIs.DefaultValue:0(Noerror)
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
ErrorMessageReturnsareadablemessagestringtoyouthat
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correspondstothestatuscodeyouspecify.
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ClassPrefixError-QueryIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmError-Query.
ThisVIqueriestheinstrumentandreturnstheinstrumentspecificerrorinformation.Generally,youcallthisVIafteranotherVIintheinstrumentdriverreturnstheIVI_ERROR_INSTRUMENT_STATUS(0xBFFA0001)errorcode.Thedriverreturnsthiserrorcodewhentheinstrument'sstatusregisterindicatesthattheinstrument'serrorqueueisnotempty.TheClassPrefixErrorQueryVIextractsthefirsterroroutoftheinstrument'serrorqueue.Forinstrumentsthathavestatusregistersbutnoerrorqueue,thedriversimulatesanerrorqueueinsoftware.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorcodeReturnstheerrorcodereadfromtheinstrument'serrorqueue.
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errormessageReturnstheerrormessagestringreadfromtheinstrument'serrormessagequeue.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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ClassPrefixGetChannelNameIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmGetChannelName.
ThisVIreturnsthespecificdriverdefinedchannelnamethatcorrespondstotheone-basedindexthatyouspecify.IfthevalueyoupassfortheIndexparameterislessthanoneorgreaterthanthevalueoftheChannelCountproperty,thisVIreturnsanemptystringintheNameparameterandreturnsanerror.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.index(1)Aone-basedindexthatdefineswhichnametoreturn.TheindexmustbelessthanorequaltotheClassPrefixChannelCountproperty.instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
outputchannelnameReturnsthenameoftheChannelspecifiedbytheindexparameter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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ClassPrefixGetNextCoercionRecordIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmGetNextCoercionRecord.
ThisVIobtainsthecoercioninformationassociatedwiththeIVIsession.Itretrievesandclearstheoldestinstanceinwhichthespecificdrivercoercedavalueyouspecifiedtoanothervalue.IfyousettheClassPrefixRecordValueCoercionspropertytoTRUE,thespecificdriverkeepsalistofallcoercionsitmakesonViInt32orViReal64valuesyoupasstoinstrumentdriverVIs.YouusethisVItoretrieveinformationfromthatlist.TheVIreturnsanemptystringintheCoercionRecordparameterifnocoercionrecordsremainforthesession.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.
coercionrecordReturnsthenextcoercionrecordfortheIVIsession.Iftherearenocoercionrecords,theVIreturnsanemptystring.
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erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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ClassPrefixGetNextInterchangeWarningIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmGetNextInterchangeWarning.
ThisVIreturnstheinterchangeabilitywarningsassociatedwiththeIVIsession.Itretrievesandclearstheoldestinstanceinwhichtheclassdriverrecordedaninterchangeabilitywarning.Interchangeabilitywarningsindicatethatusingyourapplicationwithadifferentinstrumentmightcausedifferentbehavior.UsethisVItoretrieveinterchangeabilitywarnings.Alternately,youmayuseNISpytoviewinterchangeabilitywarnings.Interchangeabilitycheckingexaminesthepropertiesinacapabilitygrouponlyifyouspecifyavalueforatleastonepropertywithinthatgroup.Ingeneral,theclassdrivergeneratesinterchangeabilitywarningswhenitencountersoneofthefollowingconditions:
Apropertythataffectsthebehavioroftheinstrumentisinastatethatyoudidnotspecify.Yousetaclass-definedpropertytoaninstrumentspecificvalue.Yousetthevalueofapropertythattheclassdriverdefinesasread-only.Theclassdriverencountersanerrorwhenittriestoapplyavaluetoanextensionpropertythatyourprogramneverconfigures.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.
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errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.interchangewarningReturnsthenextinterchangewarningfortheIVIsession.Iftherearenointerchangewarnings,thisparameterreturnsanemptystring.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
RelatedTopics
InterchangeabilityChecking
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ClassPrefixInitializeIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmInitializeWithOptions.
ThisVIperformsthefollowinginitializationactions:
CreatesanewIVIinstrumentdriversession.OpensasessiontothespecifieddeviceusingtheinterfaceandaddressyouspecifyfortheResourceNameparameter.IftheIDQueryparameterissettoTRUE,thisVIqueriestheinstrumentIDandchecksthatitisvalidforthisinstrumentdriver.IftheResetparameterissettoTRUE,thisVIresetstheinstrumenttoaknownstate.Sendsinitializationcommandstosettheinstrumenttothestatenecessaryfortheoperationoftheinstrumentdriver.ReturnsaninstrumenthandlethatyouusetoidentifytheinstrumentinallsubsequentinstrumentdriverVIcalls.
NoteThisVIcreatesanewsessioneachtimeyouinvokeit.AlthoughyoucanopenmorethanoneIVIsessionforthesameresource,itisbestnottodoso.Youcanusethesamesessioninmultipleprogramthreads.CautionAllIVInames,suchaslogicalnamesorvirtualnames,arecase-sensitive.Ifyouuselogicalnames,driversessionnames,orvirtualnamesinyourprogram,youmustmakesurethatthenameyouusematchesthenameintheIVIConfigurationStorefileexactly,withoutanyvariationsinthecaseofthecharactersinthename.logicalname("SampleFGen")Passesthelogicalnamethat
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identifiestheparticulardriversessiontouse.Thedriversession,inturn,identifiesaspecificdriveranddeviceandspecifiestheinitialsettingsforthesession.Youconfigurethelogicalname,driversession,specificdriver,andhardwareassetwithMAX.Ifyouwanttouseyourprogramwithadifferentphysicalinstrument,youchangetheconfigurationofthelogicalnametousethedriversessionforthenewphysicalinstrument.Youcanchangetheinitialsettingsforthesessionbychangingtheconfigurationofthedriversession.DefaultValues:"SampleScope"forIviScope"SampleDmm"forIviDmm"SamplePower"forIviDCPwr"SampleSwitch"forIviSwtch"SampleFgen"forIviFgen
idquery(true)SpecifywhetheryouwanttheinstrumentdrivertoperformanIDQuery.
ValidRange:TRUE(1)PerformIDQuery(DefaultValue)FALSE(0)SkipIDQueryWhenyousetthisparametertoTRUE,thedriververifiesthattheinstrumentyouinitializeisatypethatthisdriversupports.CircumstancescanarisewhereitisundesirabletosendanIDQuerycommandstringtotheinstrument.WhenyousetthisparametertoFALSE,theVIinitializestheinstrumentwithoutperforminganIDQuery.
resetdevice(true)Specifywhetheryouwantthetoresettheinstrumentduringtheinitializationprocedure.
ValidRange:TRUE(1)ResetDevice(DefaultValue)FALSE(0)Don'tReset
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errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.instrumenthandleoutTheinstrumentdriverthatyouusetoidentifytheinstrumentinallsubsequentinstrumentdriverVIcalls.Note
1. TheInitializeVIcreatesanewsessioneachtimeyouinvokeit.Thisisusefulifyouhavemultiplephysicalinstancesofthesametypeofinstrument.
2. Avoidcreatingmultipleconcurrentinstrumenthandlestothesamephysicalinstrument.Althoughyoucancreatemorethanoneinstrumentdriverhandleforthesameresource,itisbestnottodoso.
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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ClassPrefixInitializeWithOptionsIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmInitializeWithOptions.Details.
logicalname("SampleScope")Passesthelogicalnamethatidentifiestheparticulardriversessiontouse.Thedriversession,inturn,identifiesaspecificdriveranddeviceandspecifiestheinitialsettingsforthesession.Youconfigurethelogicalname,driversession,specificdriver,andhardwareassetwithMAX.Ifyouwanttouseyourprogramwithadifferentphysicalinstrument,youchangetheconfigurationofthelogicalnametousethedriversessionforthenewphysicalinstrument.Youcanchangetheinitialsettingsforthesessionbychangingtheconfigurationofthedriversession.DefaultValues:"SampleScope"forIviScope"SampleDmm"forIviDmm"SamplePower"forIviDCPwr"SampleSwitch"forIviSwtch"SampleFgen"forIviFgen
idquery(True)SpecifywhetheryouwanttheinstrumentdrivertoperformanIDQuery.ValidRange:TRUE(1)—PerformIDQuery(DefaultValue)FALSE(0)—SkipIDQueryWhenyousetthisparametertoTRUE,thedriververifiesthattheinstrumentyou
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initializeisatypethatthisdriversupports.CircumstancescanarisewhereitisundesirabletosendanIDQuerycommandstringtotheinstrument.WhenyousetthisparametertoFALSE,theVIinitializestheinstrumentwithoutperforminganIDQuery.
resetdevice(True)Specifywhetheryouwantthetoresettheinstrumentduringtheinitializationprocedure.ValidRange:TRUE(1)—ResetDevice(DefaultValue)FALSE(0)—DonotReset
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
optionstring("Simulate=0,RangeCheck=0,QueryInstrStatus=0,Cache=1,InterchangeCheck=0")Youcanusethisparametertosettheinitialvalueofcertainpropertiesforthesession.Thefollowingtableliststhenameandthepropertiesyouuseinthisparametertoidentifytheproperty.
Name PropertyRangeCheck CLASSPREFIX_ATTR_RANGE_CHECKQueryInstrStatus CLASSPREFIX_ATTR_QUERY_INSTRUMENT_STATUSCache CLASSPREFIX_ATTR_CACHESimulate CLASSPREFIX_ATTR_SIMULATERecordCoercions CLASSPREFIX_ATTR_RECORD_COERCIONSInterchangeCheck CLASSPREFIX_ATTR_INTERCHANGE_CHECK
Theformatofthisstringis,"PropertyName=Value"wherePropertyNameisthenameofthepropertyandValueisthevaluetowhichthepropertywillbeset.Tosetmultipleproperties,separatetheirassignmentswithacomma.IfyoupassNULLoranemptystringforthisparameter,thesessionusesthedefaultvaluesfortheproperties.Youcanoverridethedefaultvaluesbyassigningavalueexplicitlyinastringyoupassforthisparameter.You
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donothavetospecifyallofthepropertiesandmayleaveanyofthemout.Ifyoudonotspecifyoneoftheproperties,itsdefaultvaluewillbeused.Thedefaultvaluesforthepropertiesareshownbelow:
Name DefaultValueRangeCheck TRUEQueryInstrStatus FALSECache TRUESimulate FALSERecordCoercions FALSEInterchangeCheck FALSEDriverSetup ""
ThefollowingarevalidvaluesforViBooleanproperties:
True: 1,TRUE,orTRUEFalse: 0,False,orFALSEDefaultValue: ""
Anexampleoptionstring:"Simulate=0,RangeCheck=1,QueryInstStatus=0,Cache=1,Spy=0,InterchangeCheck=0"
NoteSpyingonIVIAPIcallswithinNI-SpyisafeaturethatisonlyavailableifyouhaveNI-Spyinstalledonyoursystem.NI-SpyisinstalledwithseveralNIsoftwarepackages.
instrumenthandleoutTheinstrumentdriverthatyouusetoidentifytheinstrumentinallsubsequentinstrumentdriverVIcalls.
Notes
1. ThisVIcreatesanewsessioneachtimeyouinvokeit,whichisusefulifyouhavemultiplephysicalinstancesofthesametypeofinstrument.
2. Avoidcreatingmultipleconcurrentinstrumenthandlestothesamephysicalinstrument.Althoughyoucancreatemorethanoneinstrumentdriverhandleforthesameresource,itisbestnottodoso.
erroroutTheerroroutclusterpasseserrororwarninginformation
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outofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
ClassPrefixInitializeWithOptionsDetailsThisVIperformsthefollowinginitializationactions:
CreatesanewIVIinstrumentdriversession.OpensasessiontothespecificdriverusingthelogicalnameoftheIVIvirtualinstrument.IftheIDQueryparameterissettoTRUE,thisVIqueriestheinstrumentIDandchecksthatitisvalidforthisinstrumentdriver.IftheResetparameterissettoTRUE,thisVIresetstheinstrumenttoaknownstate.Sendsinitializationcommandstosettheinstrumenttothestatenecessaryfortheoperationoftheinstrumentdriver.ReturnsaninstrumenthandlethatyouusetoidentifytheinstrumentinallsubsequentinstrumentdriverVIcalls.
NoteThisVIcreatesanewsessioneachtimeyouinvokeit.AlthoughyoucanopenmorethanoneIVIsessionforthesameresource,itisbestnottodoso.Youcanusethesamesessioninmultipleprogramthreads.CautionAllIVInames,suchaslogicalnamesorvirtualnames,arecase-sensitive.Ifyouuselogicalnames,driversessionnames,orvirtualnamesinyourprogram,youmustmakesurethatthenameyouusematchesthenameintheIVIConfigurationStorefileexactly,withoutanyvariationsinthecaseofthecharactersinthename.
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ClassPrefixInvalidateAllAttributesIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmInvalidateAllAttributes.
ThisVIinvalidatesthecachedvaluesofallpropertiesforthesession.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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ClassPrefixResetIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmReset.
ThisVIresetstheinstrumenttoaknownstateandsendsinitializationcommandstotheinstrument.TheinitializationcommandssetinstrumentsettingssuchasHeadersOff,ShortCommandform,andDataTransferBinarytothestatenecessaryfortheoperationoftheinstrumentdriver.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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ClassPrefixResetInterchangeCheckIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmResetInterchangeCheck.Details.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
ClassPrefixResetInterchangeCheckDetailsWhendevelopingacomplextestsystemthatconsistsofmultipletestmodules,itisgenerallyagoodideatodesignthetestmodulessothat
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theycanruninanyorder.Todosorequiresensuringthateachtestmodulecompletelyconfiguresthestateofeachinstrumentituses.Ifaparticulartestmoduledoesnotcompletelyconfigurethestateofaninstrument,thestateoftheinstrumentdependsontheconfigurationfromapreviouslyexecutedtestmodule.Ifyouexecutethetestmodulesinadifferentorder,thebehavioroftheinstrumentandthereforetheentiretestmoduleislikelytochange.Thischangeinbehaviorisgenerallyinstrumentspecificdriverandrepresentsaninterchangeabilityproblem.YoucanusethisVItotestforsuchcases.AfteryoucallthisVI,theinterchangeabilitycheckingalgorithmsinthespecificdriverignoreallpreviousconfigurationoperations.BycallingthisVIatthebeginningofatestmodule,youcandeterminewhetherthetestmodulehasdependenciesontheoperationofpreviouslyexecutedtestmodules.ThisVIdoesnotcleartheinterchangeabilitywarningsfromthelistofpreviouslyrecordedinterchangeabilitywarnings.IfyouwanttoguaranteethattheClassPrefixGetNextInterchangeWarningVIonlyreturnsthoseinterchangeabilitywarningsthataregeneratedaftercallingthisVI,youmustclearthelistofinterchangeabilitywarnings.YoucancleartheinterchangeabilitywarningslistbyrepeatedlycallingtheClassPrefixGetNextInterchangeWarningVIuntilnomoreinterchangeabilitywarningsarereturned.Ifyouarenotinterestedinthecontentofthosewarnings,youcancalltheClassPrefixClearInterchangeWarningsVI.
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ClassPrefixResetWithDefaultsIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmResetWithDefaults.
ThisVIresetstheinstrumentandappliesinitialuser-specifiedsettingsfromtheLogicalNamewhichwasusedtoinitializethesession.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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ClassPrefixRevisionQueryIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmRevisionQuery.
Obtainsthefollowinginformation:
Therevisionoftheinstrumentdriver.Thefirmwarerevisionoftheinstrumentyouarecurrentlyusing
instrumenthandleTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.instrumentdriverrevisionReturnstheinstrumentdriversoftwarerevisionnumbersintheformofastring.firmwarerevisionReturnstheinstrumentfirmwarerevisionnumbersintheformofastring.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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ClassPrefixSelf-TestIVIInherentFunctionToformtheClassPrefixVIname,usetheprefixoftheclassdriverthatyouareworkingwith.Forexample,ifyouareworkingwiththeIviDmmclassdriver,usetheprefixIviDmmtocreatethecorrectVIname,IviDmmSelf-Test.
ThisVIrunstheinstrument'sself-testroutineandreturnsthetestresult(s).
instrumenthandleTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheClassPrefixInitializeorClassPrefixInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.selftestresultThiscontrolcontainsthevaluereturnedfromtheinstrumentselftest.Zeromeanssuccess.Foranyothercode,refertothedevice'soperatormanual.Numericresultfromself-testoperation:0=noerror(testpassed)non-zero=testfailed
self-testmessageReturnstheself-testresponsestringfromthe
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instrument.Refertothedevice'sdocumentationforanexplanationofthestring'scontents.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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InherentPropertiesNoteYouaccesspropertiesthroughtheLabVIEWPropertyNode.
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IVIInherentPropertiesAdvancedSessionInformationLogicalNameResourceDescriptorDriverSetup
ClassDriverIdentificationDescriptionPrefixVendorRevisionSpecificationMajorVersionSpecificationMinorVersion
InstrumentIdentificationManufacturerModelFirmwareRevision
SpecificDriverCapabilitiesSupportedInstrumentModelsGroupCapabilitiesFunctionCapabilitiesChannelCount
SpecificDriverIdentificationDescriptionLocatorPrefixRevisionMajorVersionMinorVersion
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VendorUserOptionsRangeCheckQueryInstrumentStatusCacheSimulateRecordValueCoercionsInterchangeCheckSpyUseSpecificSimulation
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ClassPrefixAttributeCapabilitiesInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionThispropertyisacomma-separatedstringthatidentifiestheclasspropertiesthatthespecificinstrumentdriverimplements.PropertyNodePathClassPrefix»InherentIVISettings»SpecificDriverCapabilities»AttributeCapabilities
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ClassPrefixCacheInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
R/W N/A None None
DescriptionSpecifieswhethertocachethevalueofproperties.Whencachingisenabled,thespecificdriverkeepstrackofthecurrentinstrumentsettingssothatitcanavoidsendingredundantcommandstotheinstrument.Statecachingcansignificantlyincreaseexecutionspeed.Youspecifyavalueforthispropertyfortheentireinstrumentdriver.However,thespecificdrivercanoverridethisvalueforaparticularproperty.PropertyNodePathClassPrefix»InherentIVISettings»UserOptions»ClassCache
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ClassPrefixChannelCountInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnsthenumberofavailablechannels.PropertyNodePathClassPrefix»InherentIVISettings»UserOptions»ChannelCount
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ClassPrefixClassDriverDescriptionInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnsabriefdescriptionoftheclassdriver.PropertyNodePathClassPrefix»InherentIVISettings»ClassDriverIdentification»Description
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ClassPrefixClassDriverPrefixInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnstheprefixfortheclassinstrumentdriver.Theprefixcanbeamaximumof31characters.Thenameofeachuser-callableVIintheclassdriverbeginswiththisprefix.Forexample,ifaclassdriverhasauser-callableVInamedIviDmmInitialize,thenIviDmmistheprefixforthatdriver.PropertyNodePathClassPrefix»InherentIVISettings»ClassDriverIdentification»ClassDriverPrefix
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ClassPrefixClassDriverRevisionInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnsastringthatcontainsadditionalversioninformationaboutthespecificinstrumentdriver.Thereturnedvaluecontainsdriverprefixandversion.Italsocontainsversioninformationforcompilerandcomponentsusedinthedriverbuildprocess.PropertyNodePathClassPrefix»InherentIVISettings»ClassDriverIdentification»Revision
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ClassPrefixClassDriverVendorInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnsthenameofthevendorthatsuppliestheclassdriver.PropertyNodePathClassPrefix»InherentIVISettings»ClassDriverIdentification»ClassDriverVendor
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ClassPrefixClassSpecificationMajorVersionInherentPropertyDataType Access Applies-to Coercion HighLevelFunctions
RO N/A None None
DescriptionSpecifiesthemajorversionnumberoftheIVIclassspecificationwithwhichtheclassdriveriscompliant.PropertyNodePathClassPrefix»InherentIVISettings»ClassDriverIdentification»ClassSpecificationMajorVersion
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ClassPrefixClassSpecificationMinorVersionInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnstheminorversionnumberoftheclassinstrumentdriver.PropertyNodePathClassPrefix»InherentIVISettings»ClassDriverIdentification»MinorVersion
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ClassPrefixDriverSetupInherentPropertyDataType Access Applies
to Coercion HighLevelFunctions
RO N/A None ClassPrefixInitializeWithOptions
DescriptionThispropertyreturnstheDriverSetupstringthatyouspecifiedwheninitializingthedriver.Somecasesexistwhereyoumightspecifytheinstrumentdriveroptionsatinitializationtime.Anexampleofthisisspecifyingaparticularinstrumentmodelfromamongafamilyofinstrumentsthatthedriversupports.Thisisusefulwhenusingsimulation.Youcanspecifydriver-specificoptionsthroughtheDriverSetupkeywordintheoptionStringparametertotheClassPrefixInitializeWithOptionsVIorthroughMAX.IfyoudonotspecifyaDriverSetupstring,thispropertyreturnsanemptystring.PropertyNodePathClassPrefix»InherentIVISettings»DriverSetup
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ClassPrefixFirmwareRevisionInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None ClassPrefixRevisionQuery
DescriptionReturnsaninstrumentspecificstringthatcontainsthefirmwarerevisioninformationofthephysicalinstrument.Whensimulating,thespecificdriverreturnsthevalue.PropertyNodePathClassPrefix»InherentIVISettings»InstrumentIdentification»FirmwareRevision
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ClassPrefixFunctionCapabilitiesInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionThispropertyisacomma-separatedstringthatidentifiestheclassfunctionsthatthespecificinstrumentdriverimplements.PropertyNodePathClassPrefix»InherentIVISettings»SpecificDriverCapabilities»FunctionCapabilities
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ClassPrefixGroupCapabilitiesInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionThispropertyisacomma-separatedstringthatidentifiestheinstrumentclassandtheclass-extensiongroupsthatthespecificinstrumentdriverimplements.PropertyNodePathClassPrefix»InherentIVISettings»SpecificDriverCapabilities»GroupCapabilities
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ClassPrefixInterchangeCheckInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
R/W N/A None None
DescriptionSpecifieswhetherthedriverperformsinterchangeabilitychecking.Whenthispropertyisenabled,theclassdriverkeepsalistoftheinterchangeabilitywarningsitencounters.YouviewtheinterchangeabilitywarningswithNISpy.Alternatively,youcancallClassPrefixGetNextInterchangeWarningVItoextractanddeletetheoldestrecordfromthelist.
NoteIfClassPrefixInterchangeCheckissettoTRUEandyouarenotusingNISpy,theinterchangecheckqueueisclearedbycallingClassPrefixGetNextInterchangeWarningVI.Ifyoudonotclearthequeue,theresultinglistbuild-upappearsasamemoryleak.
ThedefaultvalueisFALSE.YoucanoverridethisvaluebyspecifyingavaluewithMAX.YoucancleartheinterchangeabilitywarninglistbycallingtheClassPrefixClearInterchangeWarningsVI.PropertyNodePathClassPrefix»InherentIVISettings»UserOptions»InterchangeCheck
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ClassPrefixLogicalNameInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionYoupassalogicalnametotheclassdriverinitializationVI.MAXmustcontainanentryforthelogicalname.ThelogicalnameentryreferstoadriversessioninMAX.Thedriversessionspecifiesaphysicaldeviceandaspecificinstrumentdriver.ByassigningthenameofadifferentdriversessiontothelogicalnameinMAX,youcanexchangeoneinstrumentforanotherwithoutmodifyingorrecompilingyourLabVIEWapplication.ThispropertyindicatesthelogicalnameyouspecifiedwhenopeningthecurrentIVIsession.PropertyNodePathClassPrefix»InherentIVISettings»AdvancedSessionInformation»LogicalName
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ClassPrefixManufacturerInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnsthenameofthemanufactureroftheinstrument.PropertyNodePathClassPrefix»InherentIVISettings»InstrumentIdentification»Manufacturer
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ClassPrefixModelInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnsthemodelnumberornameofthephysicalinstrument.PropertyNodePathClassPrefix»InherentIVISettings»InstrumentIdentification»Model
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ClassPrefixQueryInstrumentStatusInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
R/W N/A None None
DescriptionSpecifieswhetherthespecificdriverqueriestheinstrumentstatusaftereachVIcall.Queryingtheinstrumentstatusisusefulfordebugging.Aftervalidatingtheprogram,youcansetthispropertytoFALSEtodisablestatuscheckingandmaximizeperformance.Youspecifyavalueforthispropertyfortheentireinstrumentdriver.However,thedrivercanoverridethisvalueforaparticularproperty.ThedefaultvalueisFALSE.YoucanoverridethisvaluebyspecifyingavaluewithMAXorbyinitializingtheIVIsessionwiththeClassPrefixInitializeWithOptionsVI.PropertyNodePathClassPrefix»InherentIVISettings»UserOptions»QueryInstrumentStatus
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ClassPrefixRangeCheckInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
R/W N/A None None
DescriptionSpecifieswhethertovalidatepropertyvaluesandVIparameters.Rangecheckingparametersisveryusefulfordebugging.Aftervalidatingtheprogram,youcansetthispropertytoFALSEtodisablerangecheckingandmaximizeperformance.ThedefaultvalueisTRUE.YoucanoverridethisvaluebyspecifyingavaluewithMAXorbyinitializingtheIVIsessionwiththeClassPrefixInitializeWithOptionsVI.PropertyNodePathClassPrefix»InherentIVISettings»UserOptions»RangeCheck
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ClassPrefixRecordValueCoercionsInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
R/W N/A None None
DescriptionSpecifieswhethertheIVIEnginekeepsalistofthevaluecoercionsitmakesfor and properties.Whenthispropertyisenabled,theclassdrivermaintainsarecordofeachcoercion.YouviewthecoercionrecordswithNISpy.Alternately,youcallClassPrefix_GetNextCoercionRecordVItoextractanddeletetheoldestcoercionrecordfromthelist.ThedefaultvalueisFALSE.YoucanoverridethisvaluebyspecifyingavaluewithMAXorbyinitializingtheIVIsessionwiththeClassPrefixInitializeWithOptionsVI.
NoteIfClassPrefixRecordValueCoercionsissettoTRUEandyouarenotusingNISpy,thecoercionqueueisclearedbycallingClassPrefixGetNextCoercionInfo.Ifyoudonotclearthequeue,theresultinglistbuild-upappearsasamemoryleak.
PropertyNodePathClassPrefix»InherentIVISettings»UserOptions»RecordValueCoercions
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ClassPrefixResourceDescriptorInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnstheresourcedescriptorthatthedriverusestoidentifythephysicaldevice.Ifyouinitializethedriverwithalogicalnamethatisassociatedwithadevice,thispropertycontainstheresourcedescriptorthatcorrespondstotheentryinMAX.PropertyNodePathClassPrefix»InherentIVISettings»AdvancedSessionInformation»ResourceDescriptor
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ClassPrefixSimulateInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
R/W N/A None None
DescriptionSpecifieswhethertosimulateinstrumentdriverI/Ooperations.Ifsimulationisenabled,specificdriverVIsperformrangechecking,buttheydonotperforminstrumentI/O.TheclassdriverreturnssimulateddataforoutputVIparameters.ThedefaultvalueisFALSE.YoucanoverridethisvaluebyspecifyingavaluewiththeMAXorbyinitializingtheIVIsessionwiththeClassPrefixInitializeWithOptionsVI.PropertyNodePathClassPrefix»InherentIVISettings»UserOptions»Simulate
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ClassPrefixSpecificDriverClassSpecificationMajorVersionInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnsthemajorversionnumberoftheIVIclassspecificationwithwhichthespecificdriveriscompliant.PropertyNodePathClassPrefix»InherentIVISettings»SpecificDriverIdentification»ClassSpecificationMajorVersion
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ClassPrefixSpecificDriverClassSpecificationMinorVersionInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnstheminorversionnumberoftheIVIclassspecificationwithwhichthespecificdriveriscompliant.PropertyNodePathClassPrefix»InherentIVISettings»SpecificDriverIdentification»ClassSpecificationMinorVersion
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ClassPrefixSpecificDriverDescriptionInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnsabriefdescriptionofthespecificdriver.PropertyNodePathClassPrefix»InherentIVISettings»SpecificDriverIdentification»Description
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ClassPrefixSpecificDriverLocatorInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnstheinformationthattheclassdriverusestofindthespecificdrivermodule.PropertyNodePathClassPrefix»InherentIVISettings»SpecificDriverIdentification»SpecificDriverLocator
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ClassPrefixSpecificDriverPrefixInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionThenameofeachuser-callablefunctioninthespecificdriverbeginswiththisprefix.Forexample,iftheFluke45driverhasauser-callablefunctionnamed"FL45_init",then"FL45"istheprefixforthatdriver.PropertyNodePathClassPrefix»InherentIVISettings»SpecificDriverIdentification»SpecificDriverPrefix
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ClassPrefixSpecificDriverRevisionInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnsastringthatcontainsadditionalversioninformationaboutthespecificinstrumentdriver.Thereturnedvaluecontainsdriverprefixandversion.Italsocontainsversioninformationforcompilerandcomponentsusedinthedriverbuildprocess.PropertyNodePathClassPrefix»InherentIVISettings»SpecificDriverIdentification»Revision
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ClassPrefixSpecificDriverVendorInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnsthenameofthevendorthatsuppliesthespecificdriverPropertyNodePathClassPrefix»InherentIVISettings»SpecificDriverIdentification»SpecificDriverVendor
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ClassPrefixSpyInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
R/W N/A None None
DescriptionSpecifieswhethertheclassdriverusesNISpytorecordcallstoclassdriverVIs.ThedefaultvalueisTRUE.YoucanoverridethisvaluebyinitializingtheIVIsessionwiththeClassPrefixInitializeWithOptionsVI.PropertyNodePathClassPrefix»InherentIVISettings»UserOptions»Spy
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ClassPrefixSupportedInstrumentModelsInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnsacomma-separatedlistthatidentifiestheinstrumentmodelswithwhichthespecificdriveriscompatible.PropertyNodePathClassPrefix»InherentIVISettings»SpecificDriverCapabilities»SupportedInstrumentModels
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ClassPrefixUseSpecificSimulationInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
R/W N/A None None
DescriptionSpecifieswhethertheclassdriverorthespecificdrivergeneratesthesimulationdataforoutputparameters.AvalueofFALSEspecifiesthattheclassdrivergeneratesthesimulationdataforoutputparameters.AvalueofTRUEspecifiesthatthespecificdrivergeneratesthesimulationdataforoutputparameters.ThedefaultvalueisFALSE.YoucanoverridethisvaluebyspecifyingavaluewithMAX.PropertyNodePathClassPrefix»InherentIVISettings»UserOptions»UseSpecificSimulation
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InterchangeabilityCheckingInterchangeabilitywarningsindicatethatusingyourapplicationwithadifferentinstrumentmightcausedifferentbehavior.UsetheClassPrefixGetNextInterchangeWarningVItoretrieveinterchangeabilitywarnings.Alternately,youmayuseNISpytoviewinterchangeabilitywarnings.Interchangeabilitycheckingisperformedonacapabilitygroupbasis.Whenenabled,interchangeabilitycheckingisalwaysperformedonthebasecapabilitygroup.Interchangeabilitycheckingisperformedonextensioncapabilitygroupswhenyouhavesetavalueforanypropertyinthegroup.Ifyouneversetthevalueofanypropertyofanextensioncapabilitygroup,interchangeabilitycheckingisnotperformedonthatgroup.Ingeneral,interchangeabilitywarningsaregeneratedifthefollowingconditionsareencountered:
Apropertythataffectsthebehavioroftheinstrumentisnotinastatethatyouspecify.Thiscanhappenifyourprogramdoesnotconfigurethepropertyorifyourprogramconfiguresthepropertybutthevaluebecomesinvalidasaresultofyourprogramconfiguringadifferentproperty.Yousetorgetaninstrumentspecificproperty.YousetanpropertyforwhichtheIVIclassspecificationdefinesvaluestoaninstrumentspecificvalue.YoupassaninstrumentspecificvaluetoaVIparameterforwhichtheIVIclassspecificationdefinesvalues.Youattempttosetanpropertythattheclassdefinesasread-only.Insomecasestheclassdriversdefineread-onlypropertiesthatspecificdriversmightimplementasread/write.Theclassdriverencountersanerrorwhenittriestodisableanextensioncapabilitygroupthatyourprogramdoesnotuse.Thepurposeofdisablingunusedextensiongroupsistomakeyourprogrambehavethesameregardlessofwhethertheinstrumentsyouuseimplementtheextensioncapabilitygroup.Someinstrumentsthatimplementtheextensioncapabilitygroupmightnotsupportthevaluetowhichtheclassdriverattemptstosettheproperty.Inthiscase,theclassdriverqueuesaninterchangeabilitywarninginsteadofreturninganerrorfromtheVI.
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RelatedTopicsClassPrefixClearInterchangeWarningsClassPrefixGetNextInterchangeWarningClassPrefixResetInterchangeCheckClickthefollowinglinkstolearnmoreaboutinterchangeabilitycheckingforaparticularIVIclassdriver.IviDCPwrDCPowerSupplyIviDmmDigitalMultimeterIviFgenFunctionGeneratorIviPwrMeterPowerMeterIviRFSigGenRFSignalGeneratorIviScopeOscilloscopeIviSpecAnSpectrumAnalyzerIviSwtchSwitch
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IviDCPwrInterchangeabilityTheIviDCPwrclassdriverperformsinterchangeabilitycheckingwhentheIviDCPwrInterchangeCheckpropertyissettoTRUEandyoucalloneofthefollowingVIs:IviDCPwrInitiateIviDCPwrMeasure
Inadditiontothegeneralinterchangeabilitycheckingrules,theIviDCPwrclassdefinesadditionalrulesandexceptionsforeachcapabilitygroup.
IviDCPwrTrigger ThedriverneedstoperforminterchangeabilitycheckingonthisgrouponlywhentheVIperforminginterchangeabilitycheckingisIviDCPwrInitiate.
TheIviDCPwrclassdoesnotdefineadditionalinterchangeabilityrulesorexceptionsforthefollowingextensioncapabilitygroups:IviDCPwrBase,IviDCPwrSoftwareTrigger,andIviDCPwrMeasurement.
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IviDmmInterchangeabilityTheIviDmmclassdriverperformsinterchangeabilitycheckingwhentheIviDmmInterchangeCheckpropertyissettoVI_TRUEandyoucalloneofthefollowingVIs:IviDmm_InitiateIviDmm_ReadIviDmm_ReadMultiPointInadditiontothegeneralinterchangeabilitycheckingrules,theIviDmmclassdefinesadditionalrulesandexceptionsforeachcapabilitygroup.
IviDmmBase IftheIviDmmFunctionpropertyissettoIVIDMM_VAL_TEMPERATURE,theIviDmmResolutionpropertyisnotrequiredtobeinauser-specifiedstate.
IviDmmACMeasurement
IftheIviDmmFunctionpropertyissettoIVIDMM_VAL_AC_VOLTS,IVIDMM_VAL_AC_CURRENT,IVIDMM_VAL_AC_PLUS_DC_VOLTS,orIVIDMM_VAL_AC_PLUS_DC_CURRENT,thenthefollowingpropertiesarerequiredtobeinauser-specifiedstate:
IviDmmACMinimumFrequencyIviDmmACMaximumFrequency
IviDmmFrequencyMeasurement
IftheIviDmmFunctionpropertyissettoIVIDMM_VAL_FREQorIVIDMM_VAL_PERIOD,thentheIviDmmFrequencyVoltageRangepropertyisrequiredtobeinauser-specifiedstate.
IviDmmTemperatureMeasurement
IftheIviDmmFunctionpropertyissettoIVIDMM_VAL_TEMPERATURE,theIviDmmTransducerTypepropertyisrequiredtobeinauser-specifiedstate.
IviDmmThermocouple
IftheIviDmmTransducerTypepropertyissettoIVIDMM_VAL_THERMOCOUPLE,thefollowingpropertiesarerequiredtobeinauser-specifiedstate:
IviDmmThermocoupleType
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IviDmmReferenceJunctionTypeIviDmmFixedReferenceJunction
IviDmmResistanceTemperatureDevice
IftheIviDmmTransducerTypepropertyissettoIVIDMM_VAL_2_WIRE_RTDorIVIDMM_VAL_4_WIRE_RTD,thenthefollowingpropertiesarerequiredtobeinauser-specifiedstate:
IviDmmRTDAlphaIviDmmRTDResistance
IviDmmThermistor
IftheIviDmmTransducerTypepropertyissettoIVIDMM_VAL_THERMISTOR,theIviDmmThermistorResistancepropertyisrequiredtobeinauser-specifiedstate.
IviDmmMultiPoint
IftheIviDmmSampleCountpropertyissetto1,thenIviDMMSampleTriggerpropertyisnotrequiredtobeinauser-specifiedstate.IftheIviDmmSampleCountpropertyissetto1ortheIviDmmSampleTriggerpropertyissettoavalueotherthanIVIDMM_VAL_INTERVAL,thentheIviDmmSampleIntervalpropertyisnotrequiredtobeinauser-specifiedstate.
TheIviDmmclassdoesnotdefineadditionalinterchangeabilityrulesorexceptionsforthefollowingextensioncapabilitygroups:IviDmmSoftwareTrigger,IviDmmDeviceInfo,IviDmmAutoRangeValue,IviDmmAutoZero,andIviDmmPowerLineFrequency.
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IviFgenInterchangeabilityTheIviFGenclassdriverperformsinterchangeabilitycheckingwhentheIviFgenInterchangeCheckpropertyissettoTRUEandyoucalltheIviFgenInitiateGenerationVI.Inadditiontothegeneralinterchangeabilitycheckingrules,theIviFgenclassdefinesadditionalrulesandexceptionsforeachcapabilitygroup.
IviFgenStdFunc IftheIviFgenOutputModepropertyisnotsettoIVIFGEN_VAL_OUTPUT_FUNC,nopropertiesintheIviFgenStdFuncextensiongrouparerequiredtobeinauser-specifiedstate.IftheIviFgenOutputEnabledpropertyissettoFALSEonachannel,nopropertiesintheIviFgenStdFuncextensiongrouparerequiredtobeinauser-specifiedstateonthatchannel.IftheIviFgenWaveformpropertyissettoIVIFGEN_VAL_WFM_DConachannel,thefollowingpropertiesarenotrequiredtobeinauser-specifiedstateonthatchannel:
IviFgenFuncAmplitudeIviFgenFrequencyIviFgenStartPhase
IftheIviFgenWaveformpropertyissettoIVIFGEN_VAL_WFM_SQUAREonachannel,theIviFgenDutyCycleHighpropertyisrequiredtobeinauser-specifiedstateonthatchannel.
IviFgenArbWaveform
IftheIviFgenOutputModepropertyisnotsettoIVIFGEN_VAL_OUTPUT_ARB,nopropertiesintheIviFgenArbWaveformextensiongrouparerequiredtobeinauser-specifiedstate.IftheIVIFGEN_ATTR_OUTPUT_ENABLEDpropertyissettoFALSEonachannel,nopropertiesintheIviFgenArbWaveformextensiongrouparerequiredtobeinauser-specifiedstateonthatchannel.
IviFgenArb IftheIviFgenOutputModepropertyisnotsetto
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Sequence IVIFGEN_VAL_OUTPUT_SEQ,nopropertiesintheIviFgenArbSequenceextensiongrouparerequiredtobeinauser-specifiedstate.IftheIviFgenOutputEnabledpropertyissettoFALSEonachannel,nopropertiesintheIviFgenArbSequenceextensiongrouparerequiredtobeinauser-specifiedstateonthatchannel.
IviFgenTrigger IftheIviFgenOperationModepropertyisnotsettoIVIFGEN_VAL_OPERATE_BURST,nopropertiesintheIviFgenTriggerextensiongrouparerequiredtobeinauser-specifiedstate.
IviFgenInternalTrigger
IftheIviFgenTriggerSourcepropertyisnotsettoIVIFGEN_VAL_INTERNAL_TRIGGER,nopropertiesintheIviFgenInternalTriggerextensiongrouparerequiredtobeinauser-specifiedstate.
IviFgenBurst IftheIviFgenOperationModepropertyisnotsettoIVIFGEN_VAL_OPERATE_BURST,nopropertiesintheIviFgenBurstextensiongrouparerequiredtobeinauser-specifiedstate.IftheIviFgenOutputEnabledpropertyissettoFALSEonachannel,nopropertiesintheIviFgenBurstextensiongrouparerequiredtobeinauser-specifiedstateonthatchannel.
IviFgenModulateAM
IftheIviFgenOutputEnabledpropertyissettoFALSEonachannel,nopropertiesintheIviFgenModulateAMextensiongrouparerequiredtobeinauser-specifiedstateonthatchannel.IftheIviFgenAMEnabledpropertyisnotsettoTRUEonachannel,theIviFgenAMSourcepropertyisnotrequiredtobeinauser-specifiedstateonthatchannel.IftheIviFgenAMSourceisnotsettoIviFgenAMInternalonatleastonechannel,thefollowing
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propertiesarenotrequiredtobeinauser-specifiedstate.
IviFgenAMInternalDepthIviFgenAMInternalWaveformIviFgenAMInternalFrequency
IviFgenModulateFM
IftheIviFgenOutputEnabledpropertyissettoFALSEonachannel,nopropertiesintheIviFgenModulateFMextensiongrouparerequiredtobeinauser-specifiedstateonthatchannel.IftheIviFgenFMEnabledpropertyisnotsettoTRUEonachannel,theIviFgenFMSourcepropertyisnotrequiredtobeinauser-specifiedstateonthatchannel.IftheIviFgenFMSourceisnotsettoIviFgenFMInternalonatleastonechannel,thefollowingpropertiesarenotrequiredtobeinauser-specifiedstate.
IviFgenFMInternalDeviationIviFgenFMInternalWaveformIviFgenFMInternalFrequency
TheIviFgenclassdoesnotdefineadditionalinterchangeabilityrulesorexceptionsforthefollowingextensioncapabilitygroups:IviFgenBase,IviFgenSoftwareTrigger.
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IviPwrMeterInterchangeabilityTheIviPwrMeterclassdriverperformsinterchangeabilitycheckingwhentheIVIPWRMETER_ATTR_INTERCHANGE_CHECKpropertyissettoVI_TRUEandyoucalloneofthefollowingVIs:
IviPwrMeter_InitiateIviPwrMeter_ReadIviPwrMeter_ReadChannel
Inadditiontothegeneralinterchangeabilitycheckingrules,theIviRFSigGenclassdefinesadditionalrulesandexceptionsforthefollowingcapabilitygroups.
IviPwrMeterManualRange
Supportspowermetersthatcanmanuallyspecifytheupperandlowerlimitsofthemeasurementrange.TheIviPwrMeterManualRangeextensioncapabilityalsoincludesVIsforconfiguringthemeasurementrange.
IviPwrMeterInternalTrigger
Supportspowermetersthatcantriggerinternallyonthemeasurementsignal.Itspecifiestoconfiguretheinternaltriggereventsource,triggerlevel,andthetriggerslope.AlsoincludesVIsforconfiguringtheseproperties.
IviPwrMeterSoftwareTrigger
Supportspowermetersthatcaninitiateameasurementbasedonasoftwaretriggersignal.Youcansendasoftwaretriggertocausethepowermetertotriggerameasurement.
IviPwrMeterAveragingCount
Supportspowermetersthatcanfilterasignalbyaveragingitaspecifiednumberoftimesinmanualaveragingmode.TheIviPwrMeterAveragingCountgroupdefinesapropertyandVItospecifytheaveragingcount.
TheIviPwrMeterclassdoesnotdefineadditionalinterchangeabilityrulesorexceptionsforthefollowingextensioncapabilitygroups:IviPwrMeterChannelAcquisition IviPwrMeterTriggerSource IviPwrMeterDutyCycleCorrectionIviPwrMeterZeroCorrection IviPwrMeterCalibration IviPwrMeterReferenceOscillator
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IviRFSigGenInterchangeabilityTheIviRFSigGenclassdriverperformsinterchangeabilitycheckingwhentheIVIRFSIGGEN_ATTR_INTERCHANGE_CHECKpropertyissettoVI_TRUEandyoucalloneofthefollowingVIs:IviRFSigGen_IsSettledandIviRFSigGen_WaitUntilSettled.Inadditiontothegeneralinterchangeabilitycheckingrules,theIviRFSigGenclassdefinesadditionalrulesandexceptionsforeachcapabilitygroup.
IviRFSigGenModulateAM
IftheIVIRFSIGGEN_ATTR_OUTPUT_ENABLEDpropertyissettoFalse,propertiesintheIviRFSigGenModulateAMextensiongroupneednotbeinauser-specifiedstate.IftheIVIRFSIGGEN_ATTR_AM_SOURCEpropertyisnotsettoanexternalmodulationsource,theIVIRFSIGGEN_ATTR_AM_EXTERNAL_COUPLINGpropertydoesneednotbeinauser-specifiedstate.IftheIVIRFSIGGEN_ATTR_AM_ENABLEDpropertyissettoFalse,propertiesintheIviRFSigGenModulateAMextensiongroupneednotbeinauser-specifiedstate.
IviRFSigGenModulateFM
IftheIVIRFSIGGEN_ATTR_OUTPUT_ENABLEDpropertyissettoFalse,propertiesintheIviRFSigGenModulateFMextensiongroupneednotbeinauser-specifiedstate.IftheIVIRFSIGGEN_ATTR_FM_SOURCEpropertyisnotsettoanexternalmodulationsource,thepropertiesIVIRFSIGGEN_ATTR_FM_EXTERNAL_COUPLINGdoesneednotbeinauser-specifiedstate.IftheIVIRFSIGGEN_ATTR_FM_ENABLEDpropertyissettoFalse,propertiesintheIviRFSigGenModulateFMextensiongroupneednotbeinauser-specifiedstate.
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IviRFSigGenModulatePM
IftheIVIRFSIGGEN_ATTR_OUTPUT_ENABLEDpropertyissettoFalse,propertiesintheIviRFSigGenModulatePMextensiongroupneednotbeinauser-specifiedstate.IftheIVIRFSIGGEN_ATTR_FM_SOURCEpropertyisnotsettoanexternalmodulationsource,theIVIRFSIGGEN_ATTR_PM_EXTERNAL_COUPLINGpropertydoesneednotbeinauser-specifiedstate.IftheIVIRFSIGGEN_ATTR_PM_ENABLEDpropertyissettoFalse,propertiesintheIviRFSigGenModulatePMextensiongroupneednotbeinauser-specifiedstate.
IviRFSigGenModulatePulse
IftheIVIRFSIGGEN_ATTR_OUTPUT_ENABLEDpropertyissettoFalse,propertiesintheIviRFSigGenModulatePulseextensiongroupneednotbeinauser-specifiedstate.IftheIVIRFSIGGEN_ATTR_PULSE_MODULATION_SOURCEpropertyisnotsettoExternal,allotherpropertiesintheIviRFSigGenModulatePulseextensiongroupneednotbeinauser-specifiedstate.IftheIVIRFSIGGEN_ATTR_FM_ENABLEDpropertyissettoFalse,propertiesintheIviRFSigGenModulateFMextensiongroupneednotbeinauser-specifiedstate.
IviRFSigGenLFGenerator
IftheLFGeneratorOutputEnabledpropertyissettoTrueORIfLFGeneratorOutputEnabledpropertyissettoTrueANDoneofthefollowingsourcesincludesaninternalsource
AMSourceFMSourcePMSource
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ANDanyofthefollowingaresettoTrueAMEnabledFMEnabledPMEnabled
thenthepropeteriesintheIviRFSigGenLFGeneratorextensiongroupshallbeinauser-specifiedstate.
IviRFSigGenLFGeneratorOutput
IftheLFGeneratorOutputEnabledpropertyissettoFalse,theLFGeneratorOutputAmplitudepropertyneednotbeinauser-specifiedstate.
IviRFSigGenPulseGenerator
IfthePulseOutputEnabledpropertyissettoTrueOutputEnabledsettoTrueANDthePulseGeneratorSourceissettoInternalANDthePulseModulationEnabledpropertyissettoTrue,thepropertiesintheIviRFSigGenPulseGeneratorextensiongroupshallbeinauser-specifiedstate.IfthePulseTriggerSourcepropertyisnotsettoInternal,thePulseInternalTriggerPeriodpropertyneednotbeinauser-specifiedstate.IfthePulseTriggerSourcepropertyisnotsettoExternal,thePulseExternalTriggerDelaypropertyandthePulseExternalTriggerSlopepropertyneednotbeinauser-specifiedstate.
IviRFSigGenPulseDoubleGenerator
IfthePulseDoubleEnabledpropertyissettoFalse,propertiesintheIviRFSigGenPulseDoubleGeneratorextensiongroupneednotbeinauser-specifiedstate.IftheIviRFSigGenPulseGeneratorextensiongroupdoesnotneedtobecheckedforinterchangeability,thenpropertiesintheIviRFSigGenPulseDoubleGenerator
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extensiongroupneednotbeinauser-specifiedstate.
IviRFSigGenPulseGeneratorOutput
IfthePulseOutputEnabledpropertyissettoFalse,allotherpropertiesintheIviRFSigGenPulseGeneratorOutputextensiongroupneednotbeinauser-specifiedstate.
IviRFSigGenSweep
IftheSweepModepropertyissettoNone,allotherpropertiesintheIviRFSigGenSweepextensiongroupneednotbeinauser-specifiedstate.
IftheOutputEnabledpropertyissettoFalse,allthepropertiesintheIviRFSigGenSweepextensiongroupneednotbeinauser-specifiedstate.
IviRFSigGenFrequencySweep
IftheSweepModepropertyisnotsettoFrequencySweep,propertiesintheIviRFSigGenFrequencySweepextensiongroupneednotbeinauser-specifiedstate.IftheIviRFSigGenSweepextensiongroupdoesnotneedtobecheckedforinterchangeability,thenpropertiestheIviRFSigGenFrequencySweepextensiongroupneednotbeinauser-specifiedstate.
IviRFSigGenPowerSweep
IftheSweepModepropertyisnotsettoPowerSweep,intheIviRFSigGenPowerSweepextensiongroupneednotbeinauser-specifiedstate.IftheIviRFSigGenSweepextensiongroupdoesnotneedtobecheckedforinterchangeability,thenpropertiesintheIviRFSigGenPowerSweepextensiongroupneednotbeinauser-specifiedstate.
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IviRFSigGenFrequencyStep
IftheSweepModepropertyisnotsettoFrequencyStep,propertiesintheIviRFSigGenFrequencyStepextensiongroupneednotbeinauser-specifiedstate.IftheIviRFSigGenSweepextensiongroupdoesnotneedtobecheckedforinterchangeability,thenpropertiestheIviRFSigGenFrequencyStepextensiongroupneednotbeinauser-specifiedstate.
IviRFSigGenPowerStep
IftheSweepModepropertyisnotsettoPowerStep,propertiesintheIviRFSigGenPowerStepextensiongroupneednotbeinauser-specifiedstate.IftheIviRFSigGenSweepextensiongroupdoesnotneedtobecheckedforinterchangeability,thenpropertiesintheIviRFSigGenPowerStepextensiongroupneednotbeinauser-specifiedstate.
IviRFSigGenList
IftheSweepModepropertyisnotsettoList,propertiesintheIviRFSigGenListextensiongroupneednotbeinauser-specifiedstate.IftheIviRFSigGenSweepextensiongroupdoesnotneedtobecheckedforinterchangeability,thenpropertiesintheIviRFSigGenListextensiongroupneednotbeinauser-specifiedstate.
IviRFSigGenALC
IftheALCEnabledpropertyissettoFalse,propertiestheIviRFSigGenALCextensiongroupneednotbeinauser-specifiedstate.IftheOutputEnabledpropertyissettoFalse,allthepropertiesintheIviRFSigGenALCextensiongroupneednotbeinauser-specifiedstate.
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IviRFSigGenReferenceOscillator
IftheOutputEnabledpropertyissettoFalse,allthepropertiesintheIviRFSigGenReferenceOscillatorextensiongroupneednotbeinauser-specifiedstate.
IviRFSigGenSoftwareTrigger
NoadditionalinterchangeabilityrulesorexceptionsaredefinedfortheIviRFSigGenSoftwareTriggercapabilitygroup.
IviRFSigGenModulateIQ
IftheOutputEnabledpropertyissettoFalse,propertiesintheIviRFSigGenModulateIQextensiongroupneednotbeinauser-specifiedstate.IftheIQEnabledpropertyissettoFalse,propertiestheIviRFSigGenModulateIQextensiongroupneednotbeinauser-specifiedstate.
IviRFSigGenIQImpairment
IftheIQImpairmentEnabledpropertyissettoFalse,propertiesintheIviRFSigGenIQImpairmentextensiongroupneednotbeinauser-specifiedstate.IftheIviRFSigGenModulateIQextensiongroupdoesnotneedtobecheckedforinterchangeability,thenpropertiesintheIviRFSigGenIQImpairmentextensiongroupneednotbeinauser-specifiedstate.
IviRFSigGenArbGenerator
IftheIQSourcepropertyisnotsettoArbGenerator,propertiesintheIviRFSigGenArbGeneratorextensiongroupneednotbeinauser-specifiedstate.IftheArbTriggerSourcepropertyisnotsettoExternal,propertiestheArbExternalTriggerSlopepropertyneednotbeinauser-specifiedstate.IftheIviRFSigGenModulateIQextensiongroupdoesnotneedtobecheckedforinterchangeability,thenpropertiesintheIviRFSigGenArbGeneratorextension
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groupneednotbeinauser-specifiedstate.
IviRFSigGenDigitalModulationBase
IftheOutputEnabledpropertyissettoFalse,propertiesintheIviRFSigGenDigitalModulationBaseextensiongroupneednotbeinauser-specifiedstate.IftheIQSourcepropertyisnotsettoDigitalModulationBase,propertiesintheIviRFSigGenDigitalModulationBaseextensiongroupneednotbeinauser-specifiedstate.IftheDigitalModulationBaseClockSourcepropertysettoExternal,theExternalClockTypepropertynotbeinauser-specifiedstate.IftheDigitalModulationBaseDataSourcepropertysettoPRBS,theDigitalModulationBasePRBSTypepropertyneednotbeinauser-specifiedstate.IftheDigitalModulationBaseDataSourcepropertyisnotsettoBitSequence,theDigitalModulationBaseSelectedBitSequencepropertyneednotbeinauser-specifiedstate.IftheIviRFSigGenModulateIQextensiongroupdoesnotneedtobecheckedforinterchangeability,thenpropertiesintheIviRFSigGenDigitalModulationBaseextensiongroupneednotbeinauser-specifiedstate
IviRFSigGenCDMABase
IftheOutputEnabledpropertyissettoFalse,propertiesintheIviRFSigGenCDMABaseextensiongroupneednotbeinauser-specifiedstate.IftheIQSourceattributeisnotsettoCDMABase,propertiesintheIviRFSigGenCDMABaseextensiongroupneednotbeinauser-specifiedstate.IftheCDMAClockSourceisnotsettoExternal,theCDMAExternalTriggerSlopepropertyneednotbeinauser-specifiedstate.
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IftheIviRFSigGenModulateIQextensiongroupdoesneedtobecheckedforinterchangeability,thenpropertiesintheIviRFSigGenCDMABaseextensiongroupneednotbeinauser-specifiedstate.
IviRFSigGenTDMABase
IftheOutputEnabledpropertyissettoFalse,propertiesintheIviRFSigGenTDMABaseextensiongroupneednotbeinauser-specifiedstate.IftheIQSourcepropertyisnotsettoTDMABase,propertiesintheIviRFSigGenTDMABaseextensiongroupneednotbeinauser-specifiedstate.IftheTDMAClockSourcepropertyisnotsettoExternal,theTDMAExternalTriggerSlopepropertyneednotbeinauser-specifiedstate.IftheIviRFSigGenModulateIQextensiongroupdoesnotneedtobecheckedforinterchangeability,thenpropertiesintheIviRFSigGenTDMABaseextensiongroupneednotbeinauser-specifiedstate.
TheIviRFSigGenclassdoesnotdefineadditionalinterchangeabilityrulesorexceptionsforthefollowingextensioncapabilitygroups:IviRFSigGenAnalogModulationSourceandIviRFSigGenSoftwareTrigger.
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IviScopeInterchangeabilityTheIviScopeclassdriverperformsinterchangeabilitycheckingwhentheIviScopeInterchangeCheckpropertyissettoTRUEandyoucalloneofthefollowingVIs:IviScopeInitiateAcquisitionIviScopeReadWaveformIviScopeReadMinMaxWaveformIviScopeReadWaveformMeasurementIviScopeFetchWaveformMeasurementInadditiontothegeneralinterchangeabilitycheckingrules,theIviScopeclassdefinesadditionalrulesandexceptionsforeachcapabilitygroup.
IviScopeBase TheIviScopeTriggerLevelpropertymustbeinauser-specifiedstateonlyiftheapplicationsetstheIviScopeTriggerTypepropertytoIVISCOPE_VAL_EDGE_TRIGGERorIVISCOPE_VAL_RUNT_TRIGGER.
IviScopeTVTrigger ThedriverperformsinterchangeabilitycheckingontheIviScopeTVTriggergrouponlyiftheapplicationsetstheIviScopeTriggerTypepropertytoIVISCOPE_VAL_TV_TRIGGER.TheIviScopeTVTriggerLineNumberpropertymustbeinauser-specifiedstateonlyiftheapplicationsetstheIviScopeTVTriggerEventpropertytoIVISCOPE_VAL_TV_EVENT_LINE_NUMBER.
IviScopeRuntTrigger ThedriverperformsinterchangeabilitycheckingontheIviScopeRuntTriggergrouponlyiftheapplicationsetstheIviScopeTriggerTypepropertytoIVISCOPE_VAL_RUNT_TRIGGER.
IviScopeGlitchTrigger ThedriverperformsinterchangeabilitycheckingontheIviScopeGlitchTriggergroup
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onlyiftheapplicationsetstheIviScopeTriggerTypepropertytoIVISCOPE_VAL_GLITCH_TRIGGER.
IviScopeWidthTrigger ThedriverperformsinterchangeabilitycheckingontheIviScopeWidthTriggergrouponlyiftheapplicationsetstheIviScopeTriggerTypepropertytoIVISCOPE_VAL_WIDTH_TRIGGER.
IviScopeAcLineTrigger ThedriverperformsinterchangeabilitycheckingontheIviScopeAcLineTriggergrouponlyiftheapplicationsetstheIviScopeTriggerTypepropertytoIVISCOPE_VAL_AC_LINE_TRIGGER.
IviScopeWaveformMeas TheIviScopeMeasurementLowReferencepropertymustbeinastateyouspecifyisyourequestawaveformmeasurementthatrequiresthelowreferencelevel,suchasrisetime,falltime,preshootandovershoot.TheIviScopeMeasurementMidReferencepropertymustbeinauser-specifiedstateifyourequestawaveformmeasurementthatrequiresthemiddlereferencelevel,suchasfrequency,period,positiveandnegativepulsewidths,andallcycle-basedmeasurements.TheIviScopeMeasurementHighReferencepropertymustbeinauser-specifiedstateifyourequestawaveformmeasurementthatrequiresthehighreferencelevel,suchasrisetime,falltime,preshootandovershoot.
IviScopeMinMaxWaveform
ThedriverperformsinterchangeabilitycheckingontheIviScopeMinMaxWaveformgrouponlyiftheapplicationsetstheIviScopeAcquisitionTypepropertytoIVISCOPE_VAL_ENVELOPEorIVISCOPE_VAL_PEAK_DETECT.TheIviScopeNumberofEnvelopesproperty
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mustbeinauser-specifiedstateonlyiftheapplicationsetstheIviScopeAcquisitionTypepropertytoIVISCOPE_VAL_ENVELOPE.
IviScopeContinuousAcquisition
Usingthisextensiongroupisinherentlynon-interchangeable.Thisspecificationdoesnotdefinethebehavioroftheinstrumentnorthedatatheinstrumentsreturnwhilecontinuouslyacquiringthedata.
IviScopeAverageAcquisition
ThedriverperformsinterchangeabilitycheckingontheIviScopeAverageAcquisitiongrouponlyiftheapplicationsetstheIviScopeAcquisitionTypepropertytoIVISCOPE_VAL_AVERAGE.
IviScopeAutoSetup Usingthisextensiongroupisinherentlynon-interchangeable.Theapplicationbehaviorthendependsontheinternalinstrument'salgorithmsforoptimalacquisitionandchannelconfiguration.
TheIviScopeclassdoesnotdefineadditionalinterchangeabilityrulesorexceptionsforthefollowingextensioncapabilitygroups:IviScopeProbeAutoSense,IviScopeSampleMode,IviScopeInterpolation,andIviScopeTriggerModifier.
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IviSpecAnInterchangeabilityTheIviSpecAnclassdriverperformsinterchangeabilitycheckingwhentheIVISPECAN_ATTR_INTERCHANGE_CHECKpropertyissettoVI_TRUEandyoucalloneofthefollowingVIs:IviSpecAn_InitiateandIviSpecAn_ReadYTrace.Inadditiontothegeneralinterchangeabilitycheckingrules,theIviSpecAnclassdefinesadditionalrulesandexceptionsforthefollowingcapabilitygroups:
IviSpecAnMarker
IftheMarkerEnabledpropertyissettoFalseforaparticularmarker,thentheMarkerPosition,MarkerTrace,MarkerFrequencyCounterEnabled,MarkerFrequencyCounterResolution,andSignalTrackEnabledpropertiesneednotbeinauserspecifiedstateforthatmarker.IftheMarkerEnabledpropertyissettoFalseforallmarkers,thentheMarkerThresholdandPeakExcursionpropertiesneednotbeinauserspecifiedstate.MarkerFrequencyCounterResolutionpropertyneednotbeinauserspecifiedstateforthatmarker.
IviSpecAnExternalTrigger
ThepropertiesofthisextensiongroupmustbeinauserspecifiedstateifandonlyiftheTriggerSourcepropertyissettoExternal.
IviSpecAnVideoTrigger
ThepropertiesofthisextensiongroupmustbeinauserspecifiedstateifandonlyiftheTriggerSourcepropertyissettoVideo.
IviSpecAnExternalMixing
IftheExternalMixerEnabledpropertyissettoFalse,thenallremaininggrouppropertiesneednotbeinauserspecifiedstate.IftheExternalMixerBiasEnabledpropertyissettoFalse,thentheExternalMixerBiasandExternalMixerBiasLimitpropertiesneednotbeinauserspecifiedstate.
TheIviSpecAnclassdoesnotdefineadditionalinterchangeabilityrulesor
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exceptionsforthefollowingextensioncapabilitygroups:IviSpecAnMultiTrace IviSpecAnTrigger IviSpecAnDisplayIviSpecAnMarkerType IviSpecAnDeltaMarker IviSpecAnPreselector
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IviSwtchInterchangeabilityTheIviSwtchclassdriverperformsinterchangeabilitycheckingwhentheIviSwtchInterchangeCheckpropertyissettoTRUEandyoucalloneofthefollowingVIs:IviSwtchConnectChannelsIviSwtchSetPathIviSwtchInitiateScan
TheIviSwtchclassdoesnotdefineanyadditionalrulesorexceptionbeyondthethegeneralinterchangeabilitycheckingrules.
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DisablingUnusedExtensions-OverviewYoumightdeveloptestprogramsthatdonotuseoneormoreoftheextensiongroupsthataclassdriverdefines.Normallyyourprogramshouldworkwithinstrumentsthatdonotimplementtheextensiongroupaswellaswiththosethatdo.However,ifyourprogramdoesnotconfigureanextensiongroupandthespecificdriverimplementsthatextensiongroup,thevaluesoftheattributesintheunusedextensiongroupareunknown.Theattributesarelikelytobesettothepower-onsettingsofthedevice.Thepower-onsettingsoftenvaryfrominstrumenttoinstrument,sowhenyourelyonaspecificdrivertoimplementanextensiongroup,youmightsacrificeinterchangeability.Toaccommodateinstrumentsthatimplementextensiongroupsthatyourprogramneverconfigures,theclassdriverdisablesunusedextensionsbysettingtheextensiongroupstoaninterchangeablestate.Thisinterchangeablestateforanextensiongroupconfigurestheextensiongrouptohavenoeffectonthebehavioroftheinstrument.Forexample,theIviDmmbasecapabilitiescontrolDMMsthatcantakeasinglemeasurement.TheIviDmmclassdefinesamultipointextensiongroupthatcontrolsDMMsthatcanacquiremultiplesamplesfrommultipletriggers.IfyoudevelopaprogramthatusesonlytheIviDmmbasecapabilitieswithaninstrumentthatimplementsthemultipointextensiongroup,theIviDmmclassdriversetsthemultipointextensiongroupattributestoaninterchangeablestatewhenyoucalltheInitiateorReadfunctionsforIviDmm.Todisablethemultipointextensiongrouptotheinterchangeablestate,theIviDmmclassdriversetsthetriggercountattributeto1andthesamplecountattributeto1.Inthisconfiguration,themultipointextensiongroupdoesnotaffecttheinstrumentsbehavior.Therefore,youcanruntheprogramwithinstrumentsthatimplementonlytheIviDmmbasecapabilitiesaswellaswithinstrumentsthatimplementthemultipointextensiongroup.Ifyourprogramhaseversetanyofthevaluesofanextensiongroup,theclassdriverdoesnotconfiguretheextensiongroup.
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DisablingUnusedExtensionsIviDCPwrClassDriverTheIviDCPwrdriverdoesnotdisableunusedextensions.
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DisablingUnusedExtensionsIviFgenClassDriverWhenyoucalltheIviFgen_InitiateGenerationVI,theclassdriverdisablesextensioncapabilitygroupsthattheprogramdoesnotusebysettingpropertiesoftheunusedextensiongrouptovaluesthatdisablethatextensiongroup.
IfyoudonotusetheIviFgenModulateAMextensiongroupforachannel,thisdriversetstheIVIFGEN_ATTR_AM_ENABLEDpropertytoVI_FALSEforthatchannel.IfyoudonotusetheIviFgenModulateFMextensiongroupforachannel,thisdriversetstheIVIFGEN_ATTR_FM_ENABLEDpropertytoVI_FALSEforthatchannel.
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DisablingUnusedExtensionsIviDmmClassDriverWhenyoucalltheIviDmm_Initiate,theIviDmm_Read,ortheIviDmm_ReadMultiPointVIs,theclassdriverdisablesextensioncapabilitygroupsthattheprogramdoesnotusebysettingpropertiesoftheunusedextensiongrouptovaluesthatdisablethatextensiongroup.Theclassdriverdisablesextensioncapabilitygroupsasfollows:
IfyoudonotusetheIviDmmMultiPointextensiongroup,thisdriversetstheIVIDMM_ATTR_SAMPLE_COUNTandIVIDMM_ATTR_TRIGGER_COUNTpropertiesto1.IfyoudonotusetheIviDmmAutoZeroextensiongroup,thisdriversetstheIVIDMM_ATTR_AUTO_ZEROpropertytoIVIDMM_VAL_AUTO_ZERO_OFF.
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DisablingUnusedExtensionsIviPwrMeterClassDriverWhenyoucalltheIviPwrMeter_init,theIviPwrMeter_InitWithOptions,ortheIviPwrMeter_ResetVI,theclassdriverdisablesextensioncapabilitygroupsthattheprogramdoesnotusebysettingoftheunusedextensiongrouptovaluesthatdisablethatextensiongroup.Theclassdriverdisablesextensioncapabilitygroupsbysettingthefollowingtothenoteddefaultvalues:
UnusedExtensionGroup PropertyIviPwrMeterChannelAcquistion IVIPWRMETER_ATTR_CHANNEL_ENABLEDIviPwrMeterTriggerSource IVIPWRMETER_ATTR_TRIGGER_SOURCEIviPwrMeterDutyCycleCorrection IVIPWRMETER_ATTR_DUTY_CYCLE_CORRECTION_ENABLEDIviPwrMeterReferenceOscillator IVIPWRMETER_ATTR_REFERENCE_OSCILLATOR_ENABLED
Note
ThefollowingextensiongroupsarenotdisabledbytheIviPwrMeterdriver:IviPwrMeterInternalTriggerIviPwrMeterSoftwareTriggerIviPwrMeterAveragingCountIviPwrMeterZeroCorrectionIviPwrMeterSoftwareTriggerIviPwrMeterManualRange
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DisablingUnusedExtensionsIviRFSigGenClassDriverWhenyoucalltheIviRFSigGen_init,theIviRFSigGen_InitWithOptions,ortheIviRFSigGen_ResetVI,theclassdriverdisablesextensioncapabilitygroupsthattheprogramdoesnotusebysettingoftheunusedextensiongrouptovaluesthatdisablethatextensiongroup.Theclassdriverdisablesextensioncapabilitygroupsbysettingthefollowingtothenoteddefaultvalues:
UnusedExtensionGroup PropertyIviRFSigGenModulateAM IVIRFSIGGEN_ATTR_AM_ENABLEDIviRFSigGenModulateFM IVIRFSIGGEN_ATTR_FM_ENABLEDIviRFSigGenModulatePM IVIRFSIGGEN_ATTR_PM_ENABLEDIviRFSigGenModulatePulse IVIRFSIGGEN_ATTR_PULSE_MODULATION_ENABLEDIviRFSigGenLFGeneratorOutput IVIRFSIGGEN_ATTR_LF_GENERATOR_OUTPUT_ENABLEDIviRFSigGenPulseDoubleGenerator IVIRFSIGGEN_ATTR_PULSE_DOUBLE_ENABLEDIviRFSigGenPulseOutputEnabled IVIRFSIGGEN_ATTR_PULSE_OUTPUT_ENABLEDIviRFSigGenSweep IVIRFSIGGEN_ATTR_SWEEP_MODEIviRFSigGenFrequencySweep IVIRFSIGGEN_ATTR_SWEEP_MODEIviRFSigGenPowerSweep IVIRFSIGGEN_ATTR_SWEEP_MODEIviRFSigGenFrequencyStep IVIRFSIGGEN_ATTR_SWEEP_MODEIviRFSigGenPowerStep IVIRFSIGGEN_ATTR_SWEEP_MODEIviRFSigGenList IVIRFSIGGEN_ATTR_SWEEP_MODEIviRFSigGenACL IVIRFSIGGEN_ATTR_ALC_ENABLEDIviRFSigGenModulateIQ IVIRFSIGGEN_ATTR_IQ_ENABLEDIviRFSigGenIQImpairment IVIRFSIGGEN_ATTR_IQ_IMPAIRMENT_ENABLED
Note
ThefollowingextensiongroupsarenotdisabledbytheIviRFSigGendriver:IviRFSigGenLFGenerator
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IviRFSigGenPulseGeneratorIviRFSigGenReferenceOscillatorIviRFSigGenSoftwareTriggerIviRFSigGenArbGeneratorIviRFSigGenDigitalModulationBaseIviRFSigGenCDMABaseIviRFSigGenTDMABase
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DisablingUnusedExtensionsIviScopeClassDriverWhenyoucalltheIviScope_InitiateAcquisition,IviScope_ReadWaveform,IviScope_ReadMinMaxWaveform,orIviScope_ReadWaveformMeasurementVIstheclassdriverdisablesextensioncapabilitygroupsthattheprogramdoesnotusebysettingpropertiesoftheunusedextensiongrouptovaluesthatdisablethatextensiongroup.Theclassdriverdisablesextensioncapabilitiesasfollows:
IfyoudonotusetheIviScopeContinuousAcquisitionextensiongroup,thisdriversetstheIVISCOPE_ATTR_INITIATE_CONTINUOUSpropertytoVI_FALSE.IfyoudonotusetheIviScopeInterpolationextensiongroup,thisdriversetstheIVISCOPE_ATTR_INTERPOLATIONpropertytotheIVISCOPE_VAL_NO_INTERPOLATIONvalue.IfyoudonotusetheIviScopeTriggerModifierextensiongroup,thisdriversetstheIVISCOPE_ATTR_TRIGGER_MODIFIERpropertytotheIVISCOPE_VAL_NO_TRIGGER_MODvalue.
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DisablingUnusedExtensionsIviSpecAnClassDriverWhenyoucalltheIviSpecAn_init,theIviSpecAn_InitWithOptions,ortheIviSpecAn_ResetVI,theclassdriverdisablesextensioncapabilitygroupsthattheprogramdoesnotusebysettingpropertiesoftheunusedextensiongrouptovaluesthatdisablethatextensiongroup.Theclassdriverdisablesextensioncapabilitygroupsbysettingthefollowingpropertiestothenoteddefaultvalues:
UnusedExtensionGroup Property
IviSpecAnMarker IVISPECAN_ATTR_MARKER_ENABLEDIviSpecAnTrigger IVISPECAN_ATTR_TRIGGER_SOURCEIviSpecAnExternalMixer IVISPECAN_ATTR_EXTERNAL_MIXER_ENABLED
Note
ThefollowingextensiongroupsarenotdisabledbytheIviRFSigGendriver:IviSpecAnMultiTraceIviSpecAnExternalTriggerIviSpecAnVideoTriggerIviSpecAnDisplayIviSpecAnMarkerTypeIviSpecAnDeltaMarkerIviSpecAnPreselector
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DisablingUnusedExtensionsIviSwtchClassDriverWhenyoucalltheIviSwtch_Connect_Channels,theIviSwtch_SetPath,ortheIviSwtch_InitiateScanfunction,theclassdriverdisablesextensioncapabilitygroupsthattheprogramdoesnotusebysettingpropertiesoftheunusedextensiongrouptovaluesthatdisablethatextensiongroup.IfyoudonotusetheIviSwtchScannerextensiongroup,thedriverusesthefollowingdefaultvalues.
IVISWTCH_ATTR_SCAN_LIST ""(Emptystring)IVISWTCH_ATTR_TRIGGER_INPUT IVISWTCH_VAL_IMMEDIATEIVISWTCH_ATTR_SCAN_ADVANCED_OUTPUT IVISWTCH_VAL_NONEIVISWTCH_ATTR_SCAN_DELAY 0
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IVIStatusCodesIVIclassdriverfunctionscanreturnerrorandwarningvaluesfromseveralsetsofstatuscodes.SomestatuscodesareuniquetotheIVIclassdriverfunctions.OtherstatuscodesarethesamecodesthatVISALibraryfunctionsreturn.Stillothersareerrororwarningvaluesthatfunctionsinspecificinstrumentdriversreturn.Eachsetofstatuscodeshasitsownnumericrange.Regardlessofthesourceofthestatuscode,0alwaysindicatessuccess,apositivevalueindicatesawarning,andanegativevalueindicatesanerror.
StatusCodeTables SpecificErrorandWarningCodesforClassDrivers
StatusCodeRanges IviDmmDefaultValuesofDefinedConstants
IviFgen
IVIErrorsandWarnings IviDCPwrCommonInstrumentDriverErrorsandWarnings
IviScope
Most-Often-EncounteredVISAErrorsandWarnings
IviSwtch
IviPwrMeterIviRFSigGenIviSpecAn
Thefollowingtabledefinesthedifferentrangesofstatuscodes.Thetableliststheincludefilesthatcontainthedefinedconstantsfortheparticularstatuscodes.
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StatusCodeRanges
StatusCodeType NumericRange(inHex)
IncludeFile
IVIErrors BFFA0000toBFFA1FFF ivi.hIVIWarnings 3FFA0000to3FFA1FFF ivi.hClassDriverErrors BFFA2000toBFFA3FFF IviClass.hClassDriverWarnings 3FFA2000to3FFA3FFF IviClass.hSpecificDriverErrors BFFA4000toBFFA5FFF Prefix.hSpecificDriverWarnings 3FFA4000to3FFA5FFF Prefix.hCommonInstrumentDriverErrors BFFC0000toBFFCFFFF vpptype.hCommonInstrumentDriverWarnings
3FFC0000to3FFCFFFF vpptype.h
VISAErrors BFFF0000toBFFFFFFF visa.hVISAWarnings 3FFF0000to3FFFFFFF visa.h
TheCommonErrorsandWarningsarevaluesthatVXIplug&playdefinesandthatspecificinstrumentdriversreturn.Theyprovideaconsistentsetofcodesforerrorandwarningconditionsthatarecommonamongallinstrumentdrivers.EachparticularinstrumentdriverdefinesitsownsetofDriverErrorsandWarnings.Thestatuscodesvaluesforonedrivercanoverlapthestatuscodevaluesforotherdrivers.TheIVIclassdriversincludefilesdefineparticularstatuscodesastheunsignedsumofabasevalueandadecimalintegervalue.Thefollowingtableliststhebasevalues.
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DefaultValuesofDefinedConstantsStatusCodeType DefinedConstantforBaseValue ValueIVIErrors IVI_ERROR_BASE BFFA0000IVIWarnings IVI_WARN_BASE 3FFA0000ClassDriverErrors IVI_CLASS_ERROR_BASE BFFA2000ClassDriverWarnings IVI_CLASS_WARN_BASE 3FFA2000SpecificDriverErrors IVI_SPECIFIC_ERROR_BASE BFFA4000SpecificDriverWarnings IVI_SPECIFIC_WARN_BASE 3FFA4000
Forexample,ifyoupassaninvalidattributeIDtoanIVIclassdriverfunction,thefunctionreturnsIVI_ERROR_INVALID_ATTRIBUTE,whichivi.hdefinesasIVI_ERROR_BASE+12,or0xBFFA000C.ThefollowingtablescontaintheIVIStatusCodes,theCommonStatusCodes,andthemostcommonlyusedVISAStatusCodes.
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IVIErrorsandWarningsStatus Description0 Thecallwassuccessful.BFFA0000 Unrecoverablefailure.BFFA0001 Instrumenterrordetected.CalltheClassPrefix_error_query
functionandexaminetheerror.BFFA0002 Filecouldnotbeopened.BFFA0003 Fileisbeingread.BFFA0004 Fileisbeingmodified.BFFA0005 Drivermodulefilenotfound.BFFA0006 Cannotopendrivermodulefileforreading.BFFA0007 Drivermodulehasinvalidfileformatorcontainsinvaliddata.BFFA0008 Drivermodulecontainsundefinedreferences.BFFA0009 Cannotfindfunctionindrivermodule.BFFA000A Failureloadingdrivermodule.BFFA000B Thepathnameisinvalid.BFFA000C AttributeIDnotrecognized.BFFA000D Attributeisread-only.BFFA000E Attributeiswrite-only.BFFA000F Invalidparameter.BFFA0010 Invalidvalueforparameterorproperty.BFFA0011 Functionormethodnotsupported.BFFA0012 Attributeorpropertynotsupported.BFFA0013 Theenumerationvaluefortheparameterisnotsupported.BFFA0014 InvalidType.BFFA0015 Theattributeandfunctionparametertypesdonotmatch.BFFA0016 Thespecifiedattributealreadyhasavaluewaitingtobe
updated.BFFA0017 Thespecifieditemalreadyexists.BFFA0018 Notavalidconfiguration.
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BFFA0019 Therequesteditemorvaluedoesnotexistorisnotavailable.
BFFA001A Therequestedattributevaluenotknownandcannotbedetermined.
BFFA001B Thereisnorangetableforthisattribute.BFFA001C Therangetableisinvalid.BFFA001D Aconnectiontotheinstrumenthasnotbeeninitialized.BFFA001E Theclassinstrumentdriverhasencounteredunderspecified
instrumentconfigurationsthatlimitinterchangeability.BFFA001F Nochanneltablehasbeenbuiltforthesession.The
instrumentdrivermustcallIvi_BuildChannelTableinitsIviInitfunction.
BFFA0020 Channelorrepeatedcapabilitynamespecifiedisnotvalidfortheinstrument.
BFFA0021 Unabletoallocatesystemresource.BFFA0022 Permissiontoaccessfilewasdenied.BFFA0023 Toomanyfilesopened.BFFA0024 Unabletocreatetemporaryfileintargetdirectory.BFFA0025 Alltemporaryfilenamesalreadyusedintargetdirectory.BFFA0026 Diskisfull.BFFA0027 Configurationfilewasnotfoundondisk.BFFA0028 Cannotopenconfigurationfile.BFFA0029 Errorreadingconfigurationfile.BFFA002A Invalid valueinconfigurationfile.BFFA002B Invalid valueinconfigurationfile.BFFA002C Invalid valueinconfigurationfile.BFFA002D Entrymissingfromconfigurationfile.BFFA002E InitializationfailedindriverDLL.BFFA002F Drivermodulecouldnotbeloadedbecauseofanunresolved
externalreference.BFFA0030 CannotfindCVIRun-TimeEngine.
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BFFA0031 CannotopenCVIRun-TimeEngine.BFFA0032 CVIRun-TimeEnginehasinvalidformat.BFFA0033 CVIRun-TimeEngineismissingoneormorerequired
functions.BFFA0034 CVIRun-TimeEngineinitializationfailed,probablybecause
ofinsufficientmemory.BFFA0035 CVIRun-TimeEnginecouldnotbeloadedbecauseofan
unresolvedexternalreference.BFFA0036 FailureloadingCVIRun-TimeEngine.BFFA0037 CannotopenDLLtoreadexports.BFFA0038 DLLfileiscorrupt.BFFA0039 NoexporttableinDLL.BFFA003A Unknownattributenameforinitialsettinginconfigurationfile.BFFA003B Invalidattributevalueforinitialsettinginconfigurationfile.BFFA003C Memorypointerspecifiedisnotknown.BFFA003D Unabletofindanychannelorrepeatedcapabilitystrings.BFFA003E Thechannelorrepeatedcapabilitylistcontainstwo
instancesofthesamename.BFFA003F TheVirtualChannelNamesitemintheconfigurationfile
containsaduplicatevirtualchannelname.BFFA0040 TheVirtualChannelNamesitemintheconfigurationfile
containsanentrywithoutavirtualchannelname(nothingbeforethe'=').
BFFA0041 TheVirtualChannelNamesitemintheconfigurationfilecontainsaninvalidvirtualchannelname.Channelnamesmustcontainonlyalphanumerics,underscores,oranexclamationpoint.
BFFA0042 TheVirtualChannelNamesitemintheconfigurationfilecontainsavirtualchannelnamewithoutanassignedchannelstring(i.e.,nothingafter'=').
BFFA0043 TheVirtualChannelNamesitemintheconfigurationfilecontainsavirtualchannelnamethatisassignedtoanunknownorinvalidchannelstring.
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BFFA0044 Channelorrepeatedcapabilitynamerequired.BFFA0045 Thechannelorrepeatedcapabilitynameisnotallowed.BFFA0046 Theattributeisnotvalidforthespecifiedchannelorrepeated
capability.BFFA0047 Thisoperationrequiresachannel–orrepeatedcapability–
basedattribute.Thespecifiedattributeisnotchannel–orrepeatedcapability–based.
BFFA0048 Thechannelhasalreadybeenexcludedforthespecifiedattributeandcannotbere-included.
BFFA0049 Theoptionstringparametercontainsanentrywithoutaname.
BFFA004A Theoptionstringparametercontainsanentrywithoutavalue.
BFFA004B Theoptionstringparametercontainsanentrywithanunknownoptionname.
BFFA004C Theoptionstringparametercontainsanentrywithanunknownoptionvalue.
BFFA004D Thisoperationisvalidonlyonasesssioncreatedbyaclassdriver.
BFFA004E Youcannotcreateaconfigurationfilenamed'ivi.ini'.Thatfilenameisreserved.
BFFA004F Therealreadyisanentryofthesamenameintherun-timeconfiguration.
BFFA0050 Theindexparameterisone-based.Youmustpassanumbergreaterthanorequalto1.
BFFA0051 Theindexexceedsthenumberofitemsavailable.BFFA0052 Youcannotsetthecacheforanattributethathasthe
IVI_VAL_NEVER_CACHEflag.BFFA0053 AninstrumentdrivercannotexportaViAddrattributetothe
end-user.UsetheIVI_VAL_HIDDENflagmacrotomakeitaprivateattribute.
BFFA0054 Channelorrepeatedcapabilitystringsmustcontainonlyalphanumerics,underscores,oranexclamationpoint.
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BFFA0055 ThePrefixitemintheconfigurationfiledoesnotmatchthespecificdriver'sprefix.
BFFA0056 Thenecessarymemorycouldnotbeallocated.BFFA0057 Operationinprogress.BFFA0058 Nullpointerpassedforparameterorproperty.BFFA0059 Unexpectedresponsefromtheinstrument.BFFA005B Filenotfound.BFFA005C Thefileformatisinvalid.BFFA005D Theinstrumentstatusisnotavailable.BFFA005E InstrumentIDQueryfailed.BFFA005F Instrumentresetfailed.BFFA0060 Insufficientlocationinformationorresourcenotpresentinthe
system.BFFA0061 Thedriverisalreadyinitialized.BFFA0062 Thesimulationstatecannotbechanged.BFFA0063 Invalidnumberoflevelsinselector.BFFA0064 Invalidrangeinselector.BFFA0065 Unknownnameinselector.BFFA0066 Badly-formedselector.BFFA0067 Unknownphysicalselector.BFFA1190 Thesessionhandleisnotvalid.BFFA1198 Thesessionhandleisnotvalid.BFFA11A0 Couldnotcreatethreadlocal.BFFA1200 Thespecifiedconfigurationstorefilecouldnotbe
deserialized.BFFA1201 Adeserializewasattemptedafterapreviousdeserializehad
alreadysucceeded.BFFA1202 Thespecifiedconfigurationstorefilecouldnotbeserialized.BFFA1203 Thesessionnameorlogicalnamecouldnotberesolvedtoa
sessionordriversession.
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BFFA1204 Theitemdoesnotexistintheglobalcollection.BFFA1205 Anentrywithnamealreadyexistsinthecollection.BFFA1206 Theregistryentryforthemasterconfigurationstoredoesnot
existorthefilecouldnotbefound.BFFA1207 Theitemdoesnotexistinthecollection.BFFA1208 Thedatacomponentisnotavaliddatacomponent.BFFA1209 Theelementcannotberemovedfromtheglobalcollection
whenitisreferencedinthelocalcollections.BFFA1232 Thespecifiedhandleisinvalidorofanincorrecttype.BFFA1233 ThespecifiedpropertyIDisnotvalidforthisfunction.BFFA6000 RepeatedCapabilitylistscannotbemodifiedafterattributes
havebeenaddedtothem.BFFA6001 Anattributecanonlyberestrictedtoasubsetofarepeated
capabilityonce.BFFA6002 Therepeatedcapabilitytablecannotbebuiltbecauseit
alreadyexists.BFFA6003 Therepeatedcapabilityhasnotbeendefinedyet.BFFA6004 Therepeatedcapabilitynamecannotbeanemptyornull
string.BFFA600D TheConfigServermoduleisnotpresentonthesystem.3FFA0065 Identificationquerynotsupported.3FFA0066 Resetoperationnotsupported.3FFA0067 Selftestoperationnotsupported.3FFA0068 Errorqueryoperationnotsupported.3FFA0069 Revisionquerynotsupported.
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CommonInstrumentDriverErrorsandWarningsStatus Description
BFFC0001 Parameter1outofrange,orerrortryingtosetit.BFFC0002 Parameter2outofrange,orerrortryingtosetit.BFFC0003 Parameter3outofrange,orerrortryingtosetit.BFFC0004 Parameter4outofrange,orerrortryingtosetit.BFFC0005 Parameter5outofrange,orerrortryingtosetit.BFFC0006 Parameter6outofrange,orerrortryingtosetit.BFFC0007 Parameter7outofrange,orerrortryingtosetit.BFFC0008 Parameter8outofrange,orerrortryingtosetit.BFFC0011 InstrumentfailedtheIDQuery.BFFC0012 Invalidresponsefrominstrument.3FFC0101 InstrumentdoesnothaveIDQuerycapability.3FFC0102 InstrumentdoesnothaveResetcapability.3FFC0103 InstrumentdoesnothaveSelf-Testcapability.3FFC0104 InstrumentdoesnothaveErrorQuerycapability.3FFC0105 InstrumentdoesnothaveRevisionQuerycapability.
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Most-Often-EncounteredVISAErrorsandWarningsStatus DescriptionBFFF0000 Miscellaneousorsystemerroroccurred.BFFF000E Invalidsessionhandle.BFFF0015 Timeoutoccurredbeforeoperationcouldcomplete.BFFF0034 Violationofrawwriteprotocoloccurred.BFFF0035 Violationofrawreadprotocoloccurred.BFFF0036 Devicereportedanoutputprotocolerror.BFFF0037 Devicereportedaninputprotocolerror.BFFF0038 Buserroroccurredduringtransfer.BFFF003A Invalidsetup(propertiesarenotconsistent).BFFF005F Nolistenersconditionwasdetected.BFFF0060 Thisinterfaceisnotthecontrollerincharge.BFFF0067 Operationisnotsupportedonthissession.3FFF0085 Thestatusvalueyoupassedisunknown.
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IviDCPwrClassDriverReferenceforLabVIEWConceptsIviDCPwrTerminologyIviDCPwrClassDriverOverviewIviDCPwrExtensionCapabilityGroupsIviDCPwrBehaviorModels
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IviDCPwrVIandPropertyReferenceIviDCPwrVITreeIviDCPwrPropertiesbyGroupIviDCPwrPropertyValueDefinitionsIviDCPwrErrorandCompletionCodes
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OtherReferenceInterchangeabilityCheckingSimulation
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IviDCPwrTerminologyThisdocumentusesthefollowingtermstodescribethepowersupply'soutput:VoltageLevel,OVPLimit,CurrentLimit,CurrentLimitBehavior,ConstantVoltageMode,ConstantCurrentMode,andUnregulatedMode.VoltageLevel—TheDCvoltagethepowersupplyattemptstogenerate.YouconfiguresthevoltagelevelwiththeIviDCPwrVoltageLevelproperty.OVP—OVPisanacronymforOvervoltageProtection.OVPLimitandOVPEnabled—IftheOVPlimitisenabled,thepowersupplydisablestheoutputwhentheoutputvoltageisgreaterthanorequaltotheOVPlimit.YouconfiguretheOVPlimitwiththeIviDCPwrOVPLimitproperty,andenableordisabletheOVPlimitwiththeIviDCPwrOVPEnabledproperty.CurrentLimitandCurrentLimitBehavior—Thecurrentlimitbehaviordeterminesthebehavioroftheinstrumentwhentheoutputcurrentisgreaterthanorequaltothecurrentlimit.Whenthecurrentlimitbehavioristrip,thepowersupplydisablestheoutputwhentheoutputcurrentisgreaterthanorequaltothecurrentlimit.Whenthecurrentlimitbehaviorisregulate,thepowersupplyrestrictstheoutputvoltagesuchthattheoutputcurrentisnotgreaterthanthecurrentlimit.YouconfigurethecurrentlimitandcurrentlimitbehaviorwiththeIviDCPwrCurrentLimitandIviDCPwrCurrentLimitBehaviorproperties.ConstantVoltageMode—Thepowersupplyissaidtobeintheconstantvoltagemodewhenthepowersupply'soutputsignalreachesthevoltagelevelbeforeitreachesthecurrentlimit.Intheconstantvoltagemode,thepowersupply'soutputvoltageremainsconstantatthevoltagelevelanditsoutputcurrentcanvary.ConstantCurrentMode—Thepowersupplyissaidtobeintheconstantcurrentmodewhenthepowersupply'soutputsignalreachesthecurrentlimitbeforeitreachesthevoltagelevel,andthecurrentlimitbehaviorissettoregulate.Intheconstantcurrentmode,thepowersupply'soutputcurrentremainsconstantatthecurrentlimitanditsoutputvoltagevaries.UnregulatedMode—Thepowersupplyissaidtobeintheunregulatedmodewhenthepowersupply'soutputsignalreachesneitherthevoltagelevelorthecurrentlimit.Intheunregulatedmode,thepowersupply's
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outputcurrentandoutputvoltagevaries.
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IviDCPwrClassDriverOverviewThisinstrumentdriverprovidesprogrammingsupportfortheIviDCPwrClass.TheIviDCPwrclassisdesignedtosupporttypicalDCpowersuppliesaswellascommonextendedfunctionalityfoundinmorecomplexinstruments.TheIviDCPwrclassconceptualizesaDCpowersupplyasaninstrumentcapableofgeneratingaDCpowersignal.TheIviDCPwrclassdriverdividesinstrumentcapabilitiesintoIviDCPwrBasecapabilitygroupandmultipleextensioncapabilitygroups.TheIviDCPwrBasegroupsupportsDCpowersuppliescapableofconfiguringthevoltagelevel,currentlimit,currentlimitbehavior,andovervoltageprotectionlimit,aswellasenablinganddisablingoutputchannels.Italsoallowsyoutoconfiguretheoutputrangeinwhichthepowersupplyoperates,andtoquerytheinstrumenttodetermineinwhatstateitisoperating.
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ExtensionCapabilityGroupsTheIviDCPwrclassdriveridentifiesVIsandpropertiesthatbelongtoanextensiongroupwiththefollowingabbreviations.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandpropertiesthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverthatyouusemustimplementthoseextensions.
GroupName Abbreviation DescriptionIviDCPwrTrigger [TRG] Forpowersuppliescapableof
makingchangestotheoutputsignalbasedonatriggerevent.
IviDCPwrSoftwareTrigger [SWT] Forpowersuppliescapableofmakingchangestotheoutputsignalbasedonasoftwaretriggerevent.
IviDCPwrMeasurement [MSR] Forpowersuppliescapableofreturningmeasurementcharacteristicsoftheoutputsignal.
RelatedTopicsIVIInherentClassCapabilities
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IviDCPwrExtensionCapabilityGroupsTheIviDCPwrclassdriveridentifiesVIsandpropertiesthatbelongtoanextensiongroupwiththefollowingabbreviations.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandpropertiesthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverdriverthatyouusemustimplementthoseextensions.
GroupName DescriptionIviDCPwrTrigger Forpowersuppliescapableofmaking
changestotheoutputsignalbasedonatriggerevent.
IviDCPwrSoftwareTrigger Forpowersuppliescapableofmakingchangestotheoutputsignalbasedonasoftwaretriggerevent.
IviDCPwrMeasurement Forpowersuppliescapableofreturningmeasurementcharacteristicsoftheoutputsignal.
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IviDCPwrBaseCapabilityGroupTheIviDCPwrBasecapabilitygroupsupportsthemostbasicDCpowersupplycapabilities.Youcanenableordisableoutputchannels,specifytheDCvoltagetogenerate,specifyoutputlimits,andcontrolthebehaviorofthepowersupplywhentheoutputisgreaterthanorequaltooneofthelimits.Thishelpfileusesthefollowingtermstodescribethepowersupply'soutput:VoltageLevel,OVPLimit,CurrentLimit,CurrentLimitBehavior,ConstantVoltageMode,ConstantCurrentMode,andUnregulatedMode.RefertoIviDCPwrTerminologyformoreinformationontheseterms.Thesignalthatthepowersupplyproducesdependsonthevaluesofthevoltagelevel,OVPlimit,andcurrentlimitthatyousupply,andtheimpedanceoftheloadtowhichthepowersupplyisattached.Therefore,thepowersupplymightnotproducetheexactvoltageorcurrentthatyouconfigure.Thefollowingdiagramshowsthepossibleoutputscenarios.
PowerSupplyOutputDiagramAtPoint1,thepowersupply'soutputhasreachedthevoltagelevelbeforeitreachedthecurrentlimit.Thisisanexampleofthepowersupplyoperatingintheconstantvoltagemode.Notethatanypointontheverticallinedefinedbythevoltagelevelwouldalsocausethepowersupplytooperateintheconstantvoltagemode.AtPoint2,thepowersupply'soutputhasreachedthecurrentlimitbeforeitreachedthevoltagelevel.Ifthecurrentlimitbehaviorissettoregulate,thisisanexampleofthepowersupplyoperatingintheconstantcurrentmode.Ifthecurrentlimitbehaviorissettotrip,thepowersupplydisablestheoutput.Notethatanypointonthehorizontallinedefinedbythecurrentlimitwouldalsocausethepowersupplytooperateintheconstantcurrentmodewhenthecurrentlimitbehaviorissettoregulate.
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Atpoint3,thepowersupply'soutputhasreachedneitherthevoltagelevelorthecurrentlimit.Thisisanexampleofthepowersupplyoperatingintheunregulatedmode.Notethatanypointwithintherectangledefinedbythevoltagelevelandcurrentlimitwouldalsocausethepowersupplytooperateintheunregulatedmode.Atpoint4,thepowersupply'soutputhasreachedtheOVPlimit.IfOVPisenabled,thepowersupplydisablestheoutput.NotethatanypointontheverticallinedefinedbytheOVPlimitwouldalsocausethepowersupplytodisabletheoutputwhenOVPisenabled.
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IviDCPwrBaseVIsIviDCPwrConfigureOVPIviDCPwrConfigureCurrentLimitIviDCPwrConfigureOutputRangeIviDCPwrConfigureOutputEnabledIviDCPwrQueryOutputStateIviDCPwrResetOutputProtectionIviDCPwrQueryMaxCurrentLimitIviDCPwrQueryMaxVoltageLevelIviDCPwrVoltageLevel
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IviDCPwrBasePropertiesIviDCPwrOVPEnabledIviDCPwrOVPLimitIviDCPwrCurrentLimitBehaviorIviDCPwrCurrentLimitIviDCPwrOutputEnabledRelatedTopicsIVIInherentFunctionsIVIInherentPropertiesIviDCPwrBasebehaviormodel
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IviDCPwrMeasurementExtensionGroupTheIviDCPwrMeasurementextensiongroupsupportsDCpowersuppliescapableofreturningoutputsignalmeasurementssuchasvoltageandcurrent
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IviDCPwrMeasurementVIIviDCPwrMeasure
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IviDCPwrSoftwareTriggerExtensionGroupTheIviDCPwrSoftwareTriggerextensiongroupsupportsDCpowersuppliescapableofchangingtheoutputsignalbasedonasoftwaretriggerevent.
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IviDCPwrSoftwareTriggerVIIviDCPwrSendSoftwareTrigger
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IviDCPwrTriggerExtensionGroupTheIviDCPwrTriggerextensiongroupsupportsDCpowersuppliescapableofchangingtheoutputsignalbasedonatriggerevent.RefertotheIviDCPwrTriggerbehaviormodel.
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IviDCPwrTriggerVIsIviDCPwrConfigureTriggerSource[TRG]IviDCPwrConfigureTriggeredVoltageLevel[TRG]IviDCPwrConfigureTriggeredCurrentLimit[TRG]IviDCPwrInitiate[TRG]IviDCPwrAbort[TRG]
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IviDCPwrTriggerPropertiesIviDCPwrTriggerSourceIviDCPwrTriggeredCurrentLimitIviDCPwrTriggeredVoltageLevel
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IviDCPwrBehaviorModelsIviDCPwrBaseIviDCPwrMeasurementIviDCPwrSoftwareTriggerIviDCPwrTrigger
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IviDCPwrBaseBehaviorModelAfteryoucalltheIviDCPwrInitialize,IviDCPwrInitializeWithOptions,orIviDCPwrResetVIs,thepowersupplyproducesapowersignalbasedonitscurrentconfiguration.Allchangestothepowersupply'sIviDCPwrBaseVIsandpropertiestakeplaceimmediately.
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IviDCPwrMeasurementBehaviorModelTheIviDCPwrMeasurementExtensionGroupfollowsthebehaviormodeloftheIviDCPwrBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviDCPwrBasecapabilitygroupistheabilitytotakemeasurementontheoutputsignal.
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IviDCPwrSoftwareTriggerBehaviorModelTheIviDCPwrSoftwareTriggerExtensionGroupfollowsthebehaviormodeloftheIviDCPwrTriggercapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviDCPwrTriggercapabilitygroupistheabilitytosendsoftwaretriggers.
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IviDCPwrTriggerBehaviorModelThefollowingbehaviormodelshowstherelationshipbetweentheIviDCPwrTriggercapabilitygroupandpowersupplybehavior.
AfteryoucalltheIviDCPwrInitialize,IviDCPwrInitializeWithOptions,orIviDCPwrResetVIs.,thepowersupplyenterstheignoretriggerstate.Intheignoretriggerstate,thepropertiesoftheIviDCPwrBasecapabilitygroupdeterminethesignalthatthepowersupplyproduces.IviDCPwrTriggerpropertiescanbeset,butdonotaffecttheoutputsignal.CallingIviDCPwrInitiateVImovesthepowersupplytothewaitfortriggerstate.Inthewaitfortriggerstate,thepowersupplywaitsforatriggeronthetriggersourcespecifiedbytheIviDCPwrTriggerSource[TRG]property.Afterthepowersupplyreceivesatrigger,itsetsthevoltageleveltothevalueoftheIviDCPwrTriggeredVoltageLevel[TRG]property,andthecurrentlimittothevalueoftheIviDCPwrTriggeredCurrentLimit[TRG]property.Itthenreturnstotheignoretriggerstate.Afterthechangesinoutputoccur,theIviDCPwrTriggeredVoltageLevel[TRG]andIviDCPwrCurrentLimitpropertiesreflectthepowersupply'snewconfiguration.CallingIviDCPwrAbortVImovesthepowersupplyfromitscurrentstatetotheignoretriggerstate.Ifthepowersupplyhasnotyetrespondedtoatrigger,nochangeoccurstothevoltagelevelorcurrentlimit.
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IviDCPwrVITreeTheVItreefortheIviDCPwrclassdriver,includingIVIandVXIplug&playrequiredVIs,isshownbelow.
NoteYouusetheLabVIEWPropertyNodetogetandsetproperties.
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IviDCPwrVITreeNameorClass VIName RequiredBy
Initialize IviDCPwrInitialize IVI
InitializewithOptions IviDCPwrInitializeWithOptions
IVI
ConfigurationVIs
ConfigureVoltageLevel
IviDCPwrConfigureVoltageLevel
IviDCPwrBase
ConfigureOVP IviDCPwrConfigureOVP
IviDCPwrBase
ConfigureCurrentLimit
IviDCPwrConfigureCurrentLimit
IviDCPwrBase
ConfigureOutputRange
IviDCPwrConfigureOutputRange
IviDCPwrBase
ConfigureOutputEnabled
IviDCPwrConfigureOutputEnabled
IviDCPwrBase
Triggering
ConfigureTriggerSource[TRG]
IviDCPwrConfigureTriggerSource
IviDCPwrTrigger
ConfigureTriggeredVoltageLevel[TRG]
IviDCPwrConfigureTriggeredVoltageLevel
IviDCPwrTrigger
ConfigureTriggeredCurrentLimit[TRG]
IviDCPwrConfigureTriggeredCurrentLimit
IviDCPwrTrigger
Action
Initiate[TRG] IviDCPwrInitiate IviDCPwrTrigger
Abort[TRG] IviDCPwrAbort IviDCPwrTrigger
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SendSoftwareTrigger
IviDCPwrSendSoftwareTrigger
IviDCPwrSoftwareTrigger
QueryMaxCurrentLimit
IviDCPwrQueryMaxCurrentLimit
IviDCPwrBase
QueryMaxVoltageLevel
IviDCPwrQueryMaxVoltageLevel
IviDCPwrBase
QueryOutputState IviDCPwrQueryOutputState
IviDCPwrBase
ResetOutputProtection
IviDCPwrResetOutputProtection
IviDCPwrBase
Measure IviDCPwrMeasure IviDCPwrMeasurement
Utility
Reset IviDCPwrReset IVI
ResetWithDefaults IviDCPwrResetWithDefaults
VPP
Self-Test IviDCPwrSelf-Test IVI
Disable IviDCPwrDisable VPP
InvalidateAllAttributes
IviDCPwrInvalidateAllAttributes
VPP
RevisionQuery IviDCPwrRevisionQuery
IVI
Error-Query IviDCPwrError-Query
IVI
ErrorMessage IviDCPwrErrorMessage
IVI
GetChannelName IviDCPwrGetChannelName
VPP
InterchangeabilityInfo
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GetNextInterchangeWarning
IviDCPwrGetNextInterchangeWarning
IVI
ResetInterchangeCheck
IviDCPwrResetInterchangeCheck
IVI
ClearInterchangeWarnings
IviDCPwrClearInterchangeWarnings
IVI
CoercionInfo
GetNextCoercionRecord
IviDCPwrGetNextCoercionRecord
IVI
Close IviDCPwrClose IVI
RelatedTopicsIviDCPwrPropertiesIVIInherentVIs
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IviDCPwrPropertiesNoteYouusetheLabVIEWPropertyNodetogetandsetproperties.
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BasePropertiesIviDCPwrVoltageLevelIviDCPwrOVPEnabledIviDCPwrOVPLimitIviDCPwrCurrentLimitBehaviorIviDCPwrCurrentLimitIviDCPwrOutputEnabled
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IviDCPwrTriggerPropertiesIviDCPwrTriggerSourceIviDCPwrTriggeredCurrentLimitIviDCPwrTriggeredVoltageLevel
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IviDCPwrPropertyValueDefinitionsThefollowingtabledefinesvaluesforallIviDCPwrclasspropertyconstants.
NoteInthefollowingtable,theliteralstringIVIDCPWR_ATTR_precedesthepropertynameandtheliteralstringIVIDCPWR_VALprecedesthevalueextensionname.
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IviDCPwrPropertyDefinedValues
Property DefinedValue
DefinedValue DefinedValue
CURRENTLIMITBEHAVIOR
Regulate 0 ThepowersupplyregulatestheoutputcurrentatthevalueoftheIviDCPwrCurrentLimitpropertywhentheoutputreachesorexceedsthatvalue.
Trip 1 ThepowersupplydisablestheoutputwhentheoutputcurrentreachesorexceedsthevalueoftheIviDCPwrCurrentLimitproperty.
TRIGGERSOURCE
Immediate 0 Thepowersupplydoesnotwaitforatriggerbeforechangingtheoutputsignal.
External 1 Thepowersupplywaitsforanexternaltriggerbeforechangingtheoutputsignal.
Software 2 ThepowersupplywaitsfortheIviDCPwrSendSoftwareTriggerVItoexecutebeforechangingtheoutputsignal.
TTL0 3 ThepowersupplywaitsforatriggerontheTTL0linebeforechangingtheoutputsignal.
TTL1 4 ThepowersupplywaitsforatriggerontheTTL1linebeforechangingtheoutputsignal.
TTL2 5 ThepowersupplywaitsforatriggerontheTTL2linebeforechangingtheoutputsignal.
TTL3 6 ThepowersupplywaitsforatriggerontheTTL3linebeforechangingtheoutputsignal.
TTL4 7 ThepowersupplywaitsforatriggerontheTTL4linebeforechangingthe
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outputsignal.TTL5 8 Thepowersupplywaitsforatriggeron
theTTL5linebeforechangingtheoutputsignal.
TTL6 9 ThepowersupplywaitsforatriggerontheTTL6linebeforechangingtheoutputsignal.
TTL7 10 ThepowersupplywaitsforatriggerontheTTL7linebeforechangingtheoutputsignal.
ECLO 11 ThepowersupplywaitsforatriggerontheECL0linebeforechangingtheoutputsignal.
ECL1 12 ThepowersupplywaitsforatriggerontheECL1linebeforechangingtheoutputsignal.
PXIStar 13 ThepowersupplywaitsforatriggeronthePXISTARlinebeforechangingtheoutputsignal.
RTSI0 14 ThepowersupplywaitsforatriggerontheRTSI0linebeforechangingtheoutputsignal.
RTSI1 15 ThepowersupplywaitsforatriggerontheRTSI1linebeforechangingtheoutputsignal.
RTSI2 16 ThepowersupplywaitsforatriggerontheRTSI2linebeforechangingtheoutputsignal.
RTSI3 17 ThepowersupplywaitsforatriggerontheRTSI3linebeforechangingtheoutputsignal.
RTSI4 18 ThepowersupplywaitsforatriggerontheRTSI4linebeforechangingtheoutputsignal.
RTSI5 19 Thepowersupplywaitsforatriggeron
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theRTSI5linebeforechangingtheoutputsignal.
RTSI6 20 ThepowersupplywaitsforatriggerontheRTSI6linebeforechangingtheoutputsignal.
RelatedTopicsIviDCPwrVITreeIviDCPwrProperties
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IviDCPwrErrorandWarningCodesStatusCodeRangesStatusCodeType NumericRange(inHex)IviDCPwrErrors 0xBFFA2001to0xBFFA3FFFIviDCPwrWarnings 0x3FFA2001to0x3FFA3FFFIVISpecificDriverErrors 0xBFFA4000to0xBFFA5FFFIVISpecificDriverWarnings 0x3FFA4000to0x3FFA5FFFIVIErrors 0xBFFA0000to0xBFFA1FFFIVIWarnings 0x3FFA0000to0x3FFA1FFFCommonInstrumentDriverErrors 0xBFFC0000to0xBFFCFFFFCommonInstrumentDriverWarnings 0x3FFC0000to0x3FFCFFFFVISAErrors 0xBFFF0000to0xBFFFFFFFVISAWarnings 0x3FFF0000to0xFFFFFFF
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IviDCPwrErrorCodeError Value MessageIVIDCPWR_ERROR_NOT_TRIGGER_SOFTWARE
0xBFFA1001 Thetriggersourceisnotsoftwaretrigger.
RelatedTopicIVIStatusCodes
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IviDCPwrFunctionsExpandthisbooktoviewanalphabetizedlistofIviDCPwrfunctions.
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IviDCPwrAbortIviDCPwrTriggerCapabilityGroup[TRG]ThisVIabortsallpendingoutputchanges.
NoteIfyoucallthisVIaftercallingtheIviDCPwrInitiate[TRG]VI,thepowersupplyignoresanytriggeranddoesnotchangetheoutput.instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrConfigureCurrentLimitIviDCPwrBaseCapabilityGroupThisVIconfiguresthecurrentlimit.Youspecifytheoutputcurrentlimitvalueandthebehaviorofthepowersupplywhentheoutputcurrentisgreaterthanorequaltothatvalue.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:CHANNEL1
behavior(regulate)Passthebehavioryouwantthepowersupplytoexhibitwhentheoutputcurrentisgreaterthanorequaltothevalueofthelimitparameter.ThedriverusesthisvaluetosettheIviDCPwrCurrentLimitBehaviorproperty.DefinedValues:IVIDCPWR_VAL_CURRENT_REGULATE—RegulatorylimitIVIDCPWR_VAL_CURRENT_TRIP—TriplimitDefaultValue:IVIDCPWR_VAL_CURRENT_REGULATE
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limit(0.0amps)Passthecurrentlimityouwanttouse.ThedriverusesthisvaluetosettheIviDCPwrCurrentLimitproperty.Units:ampsDefaultValue:0.0
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrConfigureOutputEnabledIviDCPwrBaseCapabilityGroupConfigureswhetherthesignalthatthepowersupplyproducesonachannelappearsattheoutputconnector.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:CHANNEL1
enabled(true)Passwhetheryouwantthesignalthepowersupplyproducesonachanneltoappearattheoutputconnector.ThedriverusesthisvaluetosettheIviDCPwrOutputEnabledproperty.ValidValues:TRUE-EnabletheoutputFALSE-DisabletheoutputDefaultValue:TRUE
errorin(noerror)Theerrorinclustercanaccepterrorinformation
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wiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrConfigureOutputRangeIviDCPwrBaseCapabilityGroupConfiguresthepowersupply'soutputrangeonachannel.Youspecifywhetheryouwanttoconfigurethevoltageorcurrentrange,andthevaluetowhichtosettherange.
Notes
1. Settingavoltagerangecaninvalidateapreviouslyconfiguredcurrentrange.
2. Settingacurrentrangecaninvalidateapreviouslyconfiguredvoltagerange.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:CHANNEL1
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rangetype(Voltage)Passthetypeofrangeyouwanttoconfigure.DefinedValues:IVIDCPWR_VAL_RANGE_VOLTAGE—VoltageRangeIVIDCPWR_VAL_RANGE_CURRENT—CurrentRangeDefaultValue:IVIDCPWR_VAL_RANGE_VOLTAGE
Notes
1. Settingavoltagerangecaninvalidateapreviouslyconfiguredcurrentrange.
2. Settingacurrentrangecaninvalidateapreviouslyconfiguredvoltagerange.
range(0.0)Passtherangeinwhichyouwantthepowersupplytooperate.IfyoupassavalueofIVIDCPWR_VAL_RANGE_CURRENTfortheRangeTypeparameter,specifythisparameterinamps.IfyoupassavalueofIVIDCPWR_VAL_RANGE_VOLTAGEfortheRangeTypeparameter,specifythisparameterinvolts.Units: volts(forvoltagerange)
amps(forcurrentrange)DefaultValue: 0.0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrConfigureOVPIviDCPwrBaseCapabilityGroupThisVIconfiguresthepowersupply'sovervoltageprotection.Youspecifytheovervoltagelimitandthebehaviorofthepowersupplywhentheoutputvoltageisgreaterthanorequaltothatvalue.WhentheenabledparameterisFALSE,thelimitparameterdoesnotaffecttheinstrument'sbehavior,andthedriverignoresthelimitparameter.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:CHANNEL1
enabled(true)PasswhetheryouwanttoenableordisabletheOVPlimit.ThedriverusesthisvaluetosettheIviDCPwrOVPEnabledproperty.DefinedValues:TRUE—EnableOVPlimit
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FALSE—DisableOVPlimitDefaultValue:TRUE
limit(0.0V)Passtheovervoltageprotectionlimityouwanttouse.ThedriverusesthisvaluetosettheIviDCPwrOVPLimitproperty.Units:volts(V)DefaultValue:0.0V
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrConfigureTriggerSourceIviDCPwrTriggerCapabilityGroup[TRG]ThisVIconfiguresthetriggersourcetowhichthepowersupplyrespondsafteryoucallIviDCPwrInitiate[TRG].Whenthepowersupplyreceivesatriggersignalonthesourceyouspecify,itchangesitscurrentandvoltageoutputs.YouconfigurethetriggeredcurrentandvoltageoutputswiththeIviDCPwrConfigureTriggeredCurrentLimit[TRG]andIviDCPwrConfigureTriggeredVoltageLevel[TRG]VIs.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:CHANNEL1
source(Immediate)Passthetriggersourcetowhichyouwantthepowersupplytorespond.ThedriversetstheIviDCPwrTriggerSource[TRG]propertytothisvalue.DefinedValues:
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IVIDCPWR_VAL_TRIG_IMMEDIATE—Thepowersupplydoesnotwaitforatriggerofanykind.IVIDCPWR_VAL_TRIG_EXTERNAL—Thepowersupplywaitsforatriggerontheexternaltriggerpoint.IVIDCPWR_VAL_SOFTWARE_TRIG—ThepowersupplywaitsuntilyoucalltheIviDCPwrSendSoftwareTrigger[SWT]VI.IVIDCPWR_VAL_TRIG_TTL0—ThepowersupplywaitsuntilitreceivesatriggeronthePXITRIG0line(forPXIinstruments)ortheVXITTL0line(forVXIinstruments).IVIDCPWR_VAL_TRIG_TTL1—ThepowersupplywaitsuntilitreceivesatriggeronthePXITRIG1line(forPXIinstruments)ortheVXITTL1line(forVXIinstruments).IVIDCPWR_VAL_TRIG_TTL2—ThepowersupplywaitsuntilitreceivesatriggeronthePXITRIG2line(forPXIinstruments)ortheVXITTL2line(forVXIinstruments).IVIDCPWR_VAL_TRIG_TTL3—ThepowersupplywaitsuntilitreceivesatriggeronthePXITRIG3line(forPXIinstruments)ortheVXITTL3line(forVXIinstruments).IVIDCPWR_VAL_TRIG_TTL4—ThepowersupplywaitsuntilitreceivesatriggeronthePXITRIG4line(forPXIinstruments)ortheVXITTL4line(forVXIinstruments).IVIDCPWR_VAL_TRIG_TTL5—ThepowersupplywaitsuntilitreceivesatriggeronthePXITRIG5line(forPXIinstruments)ortheVXITTL5line(forVXIinstruments).IVIDCPWR_VAL_TRIG_TTL6—ThepowersupplywaitsuntilitreceivesatriggeronthePXITRIG6line(forPXIinstruments)ortheVXITTL6line(forVXIinstruments).IVIDCPWR_VAL_TRIG_TTL7—ThepowersupplywaitsuntilitreceivesatriggeronthePXITRIG7line(forPXIinstruments)ortheVXITTL7line(forVXIinstruments).IVIDCPWR_VAL_TRIG_ECL0—ThepowersupplywaitsuntilitreceivesatriggerontheVXIECL0line.IVIDCPWR_VAL_TRIG_ECL1—ThepowersupplywaitsuntilitreceivesatriggerontheVXIECL1line.
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IVIDCPWR_VAL_TRIG_PXI_STAR—ThepowersupplywaitsuntilitreceivesatriggeronthePXISTARtriggerbus.IVIDCPWR_VAL_TRIG_RTSI_0—ThepowersupplywaitsuntilitreceivesatriggeronRTSIline0.IVIDCPWR_VAL_TRIG_RTSI_1—ThepowersupplywaitsuntilitreceivesatriggeronRTSIline1.IVIDCPWR_VAL_TRIG_RTSI_2—ThepowersupplywaitsuntilitreceivesatriggeronRTSIline2.IVIDCPWR_VAL_TRIG_RTSI_3—ThepowersupplywaitsuntilitreceivesatriggeronRTSIline3.IVIDCPWR_VAL_TRIG_RTSI_4—ThepowersupplywaitsuntilitreceivesatriggeronRTSIline4.IVIDCPWR_VAL_TRIG_RTSI_5—ThepowersupplywaitsuntilitreceivesatriggeronRTSIline5.IVIDCPWR_VAL_TRIG_RTSI_6—ThepowersupplywaitsuntilitreceivesatriggeronRTSIline6.DefaultValue:IVIDCPWR_VAL_TRIG_IMMEDIATE
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrConfigureTriggeredCurrentLimitIviDCPwrTriggerCapabilityGroup[TRG]ThisVIconfiguresthecurrentlimitthepowersupplyusesafteritreceivesatrigger.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:CHANNEL1
triggeredlimit(0.0amps)Passthecurrentlimityouwantthepowersupplytouseafteritreceivesatrigger.ThedriversetstheIviDCPwrTriggeredCurrentLimit[TRG]propertytothisvalue.Units:ampsDefaultValue:0.0amps
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.Usethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfrom
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otherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrConfigureTriggeredVoltageLevelIviDCPwrTriggerCapabilityGroup[TRG]ThisVIconfigurestheDCvoltagelevelthepowersupplyattemptstogenerateafteritreceivesatrigger.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinPassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:CHANNEL1
triggeredlevel(0.0V)PasstheDCvoltagelevelyouwantthepowersupplytoattempttogenerateafteritreceivesatrigger.ThedriversetstheIviDCPwrTriggeredVoltageLevel[TRG]propertytothisvalue.Units:volts(V)DefaultValue:0.0V
errorin(noerror)Theerrorinclustercanaccepterrorinformation
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wiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrConfigureVoltageLevelIviDCPwrBaseCapabilityGroupThisVIconfigurestheDCvoltagelevelthatthepowersupplyattemptstogenerate.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:CHANNEL1
level(0.0V)PasstheDCvoltageyouwantthepowersupplytoattempttogenerate.ThedriversetstheIviDCPwrVoltageLevelpropertytothisvalue.Units:volts(V)DefaultValue:0.0V
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrGetChannelNameIviDCPwrBaseCapabilityGroupThisVIreturnsthespecificdriverdefinedchannelnamethatcorrespondstotheone-basedindexthatyouspecify.IfthevalueyoupassfortheIndexparameterislessthanoneorgreaterthanthevalueoftheChannelCountproperty,thefunctionreturnsanemptystringintheNameparameterandreturnsanerror.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.
index(1)Aone-basedindexthatdefineswhichnametoreturn.TheindexmustbelessthanorequaltotheClassPrefixChannelCountproperty.instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
outputchannelnameReturnsthenameoftheChannelspecifiedbytheindexparameter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrInitiateIviDCPwrTriggerCapabilityGroup[TRG]ThisVIinitiatesoutputchangesthatyoupreviouslyspecified.AfteryoucallthisVI,thepowersupplywaitsforthetriggeryouspecifywiththeIviDCPwrConfigureTriggerSource[TRG]VI.Afterthepowersupplydetectsthetrigger,itupdatesitsvoltagelevelandcurrentlimittothevaluesyouspecifywiththeIviDCPwrConfigureTriggeredVoltageLevel[TRG]andIviDCPwrConfigureTriggeredCurrentLimit[TRG]VIs.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrMeasureIviDCPwrMeasurement[MSR]ThisVItakesasinglemeasurementonthechannelyouspecify.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:CHANNEL1
measurementtype(voltage)Passthemeasurementyouwantthepowersupplytotake.DefinedValues:IVIDCPWR_VAL_MEASURE_VOLTAGE—DCvoltageIVIDCPWR_VAL_MEASURE_CURRENT—DCcurrentDefaultValue:IVIDCPWR_VAL_MEASURE_VOLTAGE
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.measurementReturnsthemeasuredvalue.IfyoupassavalueofIVIDCPWR_VAL_MEASURE_CURRENTforthemeasurementTypeparameter,thisparameterreturnsavalueinamps.IfyoupassavalueofIVIDCPWR_VAL_MEASURE_VOLTAGEforthemeasurementTypeparameter,thisparameterreturnsavalueinvolts.
Units: volts(forvoltagemeasurement)amps(forcurrentmeasurement)
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrQueryMaxCurrentLimitIviDCPwrBaseCapabilityGroupThisVIreturnsthemaximumprogrammablecurrentlimitthatthepowersupplyacceptsforaparticularvoltagelevelonachannelfortheoutputrangetowhichthepowersupplyiscurrentlyconfigured.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:CHANNEL1
voltagelevel(0.0V)Passthevoltagelevelforwhichtodeterminethemaximumprogrammablecurrentlimit.Units:volts(V)DefaultValue:0.0
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.Usethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfrom
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otherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.maxcurrentlimitThisparameterreturnsthemaximumprogrammablecurrentlimitforthevoltagelevelyouspecify.Units:amps(A)
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrQueryMaxVoltageLevelIviDCPwrBaseCapabilityGroupThisVIreturnsthemaximumprogrammablevoltagelevelthatthepowersupplyacceptsforaparticularcurrentlimitonachannelfortheoutputrangetowhichthepowersupplyiscurrentlyconfigured.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:CHANNEL1
currentlimit(0.0amps)Passthecurrentlimitforwhichtodeterminethemaximumprogrammablevoltagelevel.Units:amps(A).DefaultValue:0.0
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.Usethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfrom
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otherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.maxvoltagelevelThisparameterreturnsthemaximumprogrammablevoltagelevelforthecurrentlimityouspecify.Units:volts(V)
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrQueryOutputStateIviDCPwrBaseCapabilityGroupThisVIreturnswhetherthepowersupplyisinaparticularoutputstate.Details
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:CHANNEL1
outputstate(ConstantVoltage)Passtheoutputstateforwhichyouwanttoquery.DefinedValues:IVIDCPWR_VAL_OUTPUT_CONSTANT_VOLTAGE—ConstantVoltageStateIVIDCPWR_VAL_OUTPUT_CONSTANT_CURRENT—ConstantCurrentStateIVIDCPWR_VAL_OUTPUT_UNREGULATED—UnregulatedStateIVIDCPWR_VAL_OUTPUT_OVER_VOLTAGE—OvervoltageState
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IVIDCPWR_VAL_OUTPUT_OVER_CURRENT—OvercurrentStateDefaultValue:IVIDCPWR_VAL_OUTPUT_CONSTANT_VOLTAGE
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.instateThisparameterreturnsTRUEifthepowersupplyiscurrentlyinthestateyouspecifywiththeOutputStateparameter,andFALSEifitisnot.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
IviDCPwrQueryOutputStateDetailsAconstantvoltageconditionoccurswhentheoutputvoltageisequaltothevalueoftheIviDCPwrVoltageLevelpropertyandthecurrentislessthanorequaltothevalueoftheIviDCPwrCurrentLimitproperty.AconstantcurrentconditionoccurswhentheoutputcurrentisequaltothevalueoftheIviDCPwrCurrentLimitpropertyandtheIviDCPwrCurrentLimitBehaviorpropertyissettoIVIDCPWR_VAL_CURRENT_REGULATE.AnunregulatedconditionoccurswhentheoutputvoltageislessthanthevalueoftheIviDCPwrVoltageLevelpropertyandthecurrentislessthanthevalueoftheIviDCPwrCurrentLimitproperty.AnovervoltageconditionoccurswhentheoutputvoltageisequaltoorgreaterthanthevalueoftheIviDCPwrOVPLimitpropertyandtheIviDCPwrOVPEnabledpropertyissettoTRUE.Anover-currentconditionoccurswhentheoutputcurrentisequaltoor
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greaterthanthevalueoftheIviDCPwrCurrentLimitpropertyandtheIviDCPwrCurrentLimitBehaviorpropertyissettoIVIDCPWR_VAL_CURRENT_TRIP.Wheneitheranovervoltageconditionoranover-currentconditionoccurs,thepowersupply'soutputprotectiondisablestheoutput.Ifthepowersupplyisinanovervoltageorover-currentstate,itdoesnotproducepoweruntiltheoutputprotectionisreset.TheIviDCPwrResetOutputProtectionVIresetstheoutputprotection.Oncetheoutputprotectionisreset,thepowersupplyresumesgeneratingapowersignal.
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IviDCPwrResetOutputProtectionIviDCPwrBaseCapabilityGroupThisVIclearsalloutput-protectionconditionsonthepowersupply.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.
channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:CHANNEL1
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
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IviDCPwrSendSoftwareTriggerIviDCPwrSoftwareTrigger[SWT]ThisVIsendsacommandtotriggerthepowersupply.CallthisVIifyouconfigurethepowersupplytorespondtosoftwaretriggers.Ifthepowersupplyisnotconfiguredtorespondtosoftwaretriggers,thisVIreturnstheerrorIVIDCPWR_ERROR_TRIGGER_NOT_SOFTWARE(0xBFFA1001).
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDCPwrInitializeorIviDCPwrInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDCPwrPropertiesExpandthisbooktoviewanalphabetizedlistofIviDCPwrproperties.
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ActiveChannelActiveChannelPropertyDataType Access Appliesto Coercion HighLevelVIs
WO n/a none none
DescriptionSpecifiesthechannelnameusedtoaccessallsubsequentchannel-basedpropertiesinthispropertynode.Setthechannelbeforesettingchannel-basedproperties.Passanamethattheinstrumentdriverdefinesoravirtualchannelnametheend-userdefinesintheIVIconfigurationfileinMAX.PropertyNodePath<classdriver>»ActiveChannel
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IviDCPwrChannelCountIviDCPwrBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO N/A None None
DescriptionReturnsthenumberofchannelsavailableontheinstrument.PropertyNodePathIviDCPwr»InherentIVISettings»SpecificDriverCapabilities»ChannelCount
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IviDCPwrCurrentLimitIviDCPwrBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviDCPwrConfigureCurrentLimit
DescriptionThischannel-basedpropertyspecifiestheoutputcurrentlimit.TheunitsareAmperes.ThevalueoftheIviDCPwrCurrentLimitBehaviorpropertydeterminesthebehaviorofthepowersupplywhentheoutputcurrentisequaltoorgreaterthanthevalueofthisproperty.PropertyNodePathIviDCPwr»BasicOperation»CurrentLimit
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IviDCPwrCurrentLimitBehaviorIviDCPwrBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviDCPwrConfigureCurrentLimit
DescriptionThischannel-basedpropertyspecifiesthebehaviorofthepowersupplywhentheoutputcurrentisequaltoorgreaterthanthevalueoftheIviDCPwrCurrentLimitproperty.PropertyNodePathIviDCPwr»BasicOperation»CurrentLimitBehaviorDefinedValuesIVIDCPWR_VAL_CURRENT_REGULATEIVIDCPWR_VAL_CURRENT_TRIP
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IviDCPwrOutputEnabledIviDCPwrBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviDCPwrConfigureOutputEnabled
DescriptionThischannel-basedpropertyspecifieswhetherthesignalthepowersupplyproducesappearsattheoutputconnector.PropertyNodePathIviDCPwr»BasicOperation»OutputEnabled
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IviDCPwrOVPEnabledIviDCPwrBasePropertyDataType Access Appliesto Coercion HighLevelVIs
R/W Channel N/A IviDCPwrConfigureOVP
DescriptionThischannel-basedpropertyspecifieswhetherthepowersupplyprovidesovervoltageprotection.IfthispropertyissettoTRUE,thepowersupplydisablestheoutputwhentheoutputvoltageisgreaterthanorequaltothevalueoftheIviDCPwrOVPLimitproperty.PropertyNodePathIviDCPwr»BasicOperation»OVPEnabled
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IviDCPwrOVPLimitIviDCPwrBasePropertyDataType Access Appliesto Coercion HighLevelVIs
R/W Channel N/A IviDCPwrConfigureOVP
DescriptionThischannel-basedpropertyspecifiesthevoltagethepowersupplyallows.Theunitsarevolts.IftheIviDCPwrOVPEnabledpropertyissettoTRUE,thepowersupplydisablestheoutputwhentheoutputvoltageisgreaterthanorequaltothevalueofthisproperty.IftheIviDCPwrOVPEnabledpropertyissettoFALSE,thispropertydoesnotaffectthebehavioroftheinstrument.PropertyNodePathIviDCPwr»BasicOperation»OVPLimit
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IviDCPwrTriggerSource[TRG]IviDCPwrTriggerProperty[TRG]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviDCPwrConfigureTriggerSource[TRG]
DescriptionThischannel-basedpropertyspecifiesthetriggersource.AfteryoucallIviDCPwrInitiate[TRG],thepowersupplywaitsforatriggereventfromthesourceyouspecifywiththisproperty.Afteratriggereventoccurs,thepowersupplychangesthevoltageleveltothevalueoftheIviDCPwrTriggeredVoltageLevel[TRG],andthecurrentlimittothevalueoftheIviDCPwrTriggeredCurrentLimit[TRG],properties.PropertyNodePathIviDCPwr»Trigger»TriggerSource[TRG]DefinedValuesIVIDCPWR_VAL_TRIG_IMMEDIATEIVIDCPWR_VAL_TRIG_EXTERNALIVIDCPWR_VAL_SOFTWARE_TRIGIVIDCPWR_VAL_TRIG_TTL0IVIDCPWR_VAL_TRIG_TTL1IVIDCPWR_VAL_TRIG_TTL2IVIDCPWR_VAL_TRIG_TTL3IVIDCPWR_VAL_TRIG_TTL4IVIDCPWR_VAL_TRIG_TTL5IVIDCPWR_VAL_TRIG_TTL6IVIDCPWR_VAL_TRIG_TTL7IVIDCPWR_VAL_TRIG_ECL0IVIDCPWR_VAL_TRIG_ECL1IVIDCPWR_VAL_TRIG_PXI_STAR
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IVIDCPWR_VAL_TRIG_RTSI_0IVIDCPWR_VAL_TRIG_RTSI_1IVIDCPWR_VAL_TRIG_RTSI_2IVIDCPWR_VAL_TRIG_RTSI_3IVIDCPWR_VAL_TRIG_RTSI_4IVIDCPWR_VAL_TRIG_RTSI_5IVIDCPWR_VAL_TRIG_RTSI_6
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IviDCPwrTriggeredCurrentLimit[TRG]IviDCPwrTriggerProperty[TRG]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviDCPwrConfigureTriggeredCurrentLimit[TRG]
DescriptionThischannel-basedpropertyspecifiesthevaluetowhichthepowersupplysetsthecurrentlimitafteratriggereventoccurs.Theunitsareamps.AfteryoucallIviDCPwrInitiate[TRG],thepowersupplywaitsforatriggereventfromthesourceyouspecifywiththeIviDCPwrTriggerSource[TRG],property.Afteratriggereventoccurs,thepowersupplysetsthecurrentlimittothevalueofthisproperty.Afteratriggeroccurs,thevalueoftheIviDCPwrCurrentLimit[TRG]propertyreflectsthenewvaluetowhichthecurrentlimithasbeenset.PropertyNodePathIviDCPwr»Trigger»TriggeredCurrent[TRG]
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IviDCPwrTriggeredVoltageLevel[TRG]IviDCPwrTriggerPropertyDataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviDCPwrConfigureTriggeredVoltageLevel[TRG]
DescriptionThischannel-basedpropertyspecifiesthevaluetowhichthepowersupplysetsthevoltagelevelafteratriggereventoccurs.Theunitsarevolts.AfteryoucallIviDCPwrInitiate[TRG],thepowersupplywaitsforatriggereventfromthesourceyouspecifywiththeIviDCPwrTriggerSource[TRG],property.Afteratriggereventoccurs,thepowersupplysetsthevoltageleveltothevalueofthisproperty.Afteratriggeroccurs,thevalueoftheIviDCPwrVoltageLevel[TRG]propertyreflectsthenewvaluetowhichthevoltagelevelhasbeenset.PropertyNodePathIviDCPwr»Trigger»TriggeredVoltageLevel[TRG]
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IviDCPwrVoltageLevelIviDCPwrBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviDCPwrConfigureVoltageLevel
DescriptionThischannel-basedpropertyspecifiesthevoltageleveltheDCpowersupplyattemptstogenerate.Theunitsarevolts.PropertyNodePathIviDCPwr»BasicOperation»VoltageLevel
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IviDCPwrDefinedValuesExpandthisbooktoviewanalphabetizedlistofIviDCPwrdefinedvalues.
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IVIDCPWR_VAL_CURRENT_REGULATEThepowersupplyregulatestheoutputcurrentatthevalueoftheIviDCPwrCurrentLimitpropertywhentheoutputreachesorexceedsthatvalue.DefinedValue:0
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IVIDCPWR_VAL_CURRENT_TRIPThepowersupplydisablestheoutputwhentheoutputcurrentreachesorexceedsthevalueoftheIviDCPwrCurrentLimitproperty.DefinedValue:1
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IVIDCPWR_VAL_SOFTWARE_TRIGThepowersupplywaitsfortheIviDCPwrSendSoftwareTriggerVItoexecutebeforechangingtheoutputsignal.DefinedValue:2
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IVIDCPWR_VAL_TRIG_ECL0ThepowersupplywaitsforatriggerontheECL0linebeforechangingtheoutputsignal.DefinedValue:11
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IVIDCPWR_VAL_TRIG_ECL1ThepowersupplywaitsforatriggerontheECL1linebeforechangingtheoutputsignal.DefinedValue:12
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IVIDCPWR_VAL_TRIG_EXTERNALThepowersupplywaitsforanexternaltriggerbeforechangingtheoutputsignal.DefinedValue:1
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IVIDCPWR_VAL_TRIG_IMMEDIATEThepowersupplydoesnotwaitforatriggerbeforechangingtheoutputsignal.DefinedValue:0
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IVIDCPWR_VAL_TRIG_IMMEDIATEThepowersupplydoesnotwaitforatriggerbeforechangingtheoutputsignal.DefinedValue:0
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IVIDCPWR_VAL_TRIG_PXI_STARThepowersupplywaitsforatriggeronthePXISTARlinebeforechangingtheoutputsignal.DefinedValue:13
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IVIDCPWR_VAL_TRIG_RTSI_0ThepowersupplywaitsforatriggerontheRTSI0linebeforechangingtheoutputsignal.DefinedValue:14
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IVIDCPWR_VAL_TRIG_RTSI_1ThepowersupplywaitsforatriggerontheRTSI1linebeforechangingtheoutputsignal.DefinedValue:15
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IVIDCPWR_VAL_TRIG_RTSI_2ThepowersupplywaitsforatriggerontheRTSI2linebeforechangingtheoutputsignal.DefinedValue:16
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IVIDCPWR_VAL_TRIG_RTSI_3ThepowersupplywaitsforatriggerontheRTSI3linebeforechangingtheoutputsignal.DefinedValue:17
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IVIDCPWR_VAL_TRIG_RTSI_4ThepowersupplywaitsforatriggerontheRTSI4linebeforechangingtheoutputsignal.DefinedValue:18
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IVIDCPWR_VAL_TRIG_RTSI_5ThepowersupplywaitsforatriggerontheRTSI5linebeforechangingtheoutputsignal.DefinedValue:19
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IVIDCPWR_VAL_TRIG_RTSI_6ThepowersupplywaitsforatriggerontheRTSI6linebeforechangingtheoutputsignal.DefinedValue:20
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IVIDCPWR_VAL_TRIG_TTL0ThepowersupplywaitsforatriggerontheTTL0linebeforechangingtheoutputsignal.DefinedValue:3
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IVIDCPWR_VAL_TRIG_TTL1ThepowersupplywaitsforatriggerontheTTL1linebeforechangingtheoutputsignal.DefinedValue:4
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IVIDCPWR_VAL_TRIG_TTL2ThepowersupplywaitsforatriggerontheTTL2linebeforechangingtheoutputsignal.DefinedValue:5
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IVIDCPWR_VAL_TRIG_TTL3ThepowersupplywaitsforatriggerontheTTL3linebeforechangingtheoutputsignal.DefinedValue:6
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IVIDCPWR_VAL_TRIG_TTL4ThepowersupplywaitsforatriggerontheTTL4linebeforechangingtheoutputsignal.DefinedValue:7
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IVIDCPWR_VAL_TRIG_TTL5ThepowersupplywaitsforatriggerontheTTL5linebeforechangingtheoutputsignal.DefinedValue:8
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IVIDCPWR_VAL_TRIG_TTL6ThepowersupplywaitsforatriggerontheTTL6linebeforechangingtheoutputsignal.DefinedValue:9
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IVIDCPWR_VAL_TRIG_TTL7ThepowersupplywaitsforatriggerontheTTL7linebeforechangingtheoutputsignal.DefinedValue:10
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PropertiesforControllingIviDCPwrSimulationNoteYoucansetSimulationAttributesinMAXontheInitialSettingstabofIVIDrivers»Advanced»SimulationDriverSessions»nisIviClassorinthesimulationinteractivepanels.RefertoNationalInstrumentsIVIDriverHelp»ConfiguringYourSystemformoreinformation.
TwosetsofpropertiesexistforusewiththeIviDCPwrSimulationDriver.Thefollowingtabledescribespropertiesthatcontrolbehaviorofthedriver.AnothertablelistspropertiesthatsimulatethestatusofspecificdriverVIs.AnIviDCPwrSimulatorSetupDialogBoxexiststohelpyouconfigurethemeasurementsimulationfortheIviDCPwrSimulatordriver.
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IviDCPwrPropertiesforControllingSimulationName Data
TypeAccess Applies
toDescription
INTERACTIVE_SIMULATION Boolean W No Specifieswhethertosetthedrivertointeractivemode.Ininteractivemode,thesimulationdriverusespop-upuserinterfacepanelsforgettinginformationfromyou.Non-interactivemodeisusefulwhenyoudonotwanttheinteractivepanelstointerruptyourtestprogram.
SELF_TEST_CODE Integer W No Specifiestheself-testcode.WhentheIviDCPwrSelf-TestVIiscalled,theself-testresultparameterreturnsthis
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value.SELF_TEST_MSG String W No Specifiesthe
self-testmessage.WhentheIviDCPwrSelf-TestVIiscalled,theself-testmessageparameterreturnsthisstring.
ERROR_QUERY_CODE Integer W No Specifiestheerror-querycode.WhentheIviDCPwrError-QueryVIiscalled,theerrorcodeparameterreturnsthisvalue.
ERROR_QUERY_MSG String W No Specifiestheerror-querymessage.WhentheIviDCPwrError-QueryVIiscalled,theerrormessageparameterreturnsthisstring.
DRIVER_REV_QUERY String W No Specifiestheinstrument
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driverrevisionmessage.WhentheIviDCPwrRevisionQueryVIiscalled,theinstrumentdriverrevisionparameterreturnsthisstring.
INSTR_REV_QUERY String W No Specifiesthefirmwarerevisionmessage.WhentheIviDCPwrRevisionQueryVIiscalled,thefirmwarerevisionparameterreturnsthisstring.
SIMULATE_STATUS_CODE Boolean W No SpecifieswhethertosimulatereturncodesfromtheIviDCPwrdriverVIs.RefertothePropertiesforIviDCPwrSimulation
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tableformore
RelatedTopicsSettingUpSimulatedErrorsSettingUpSimulationforVXIplug&playVIs
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IviDCPwrSimulatorSetupDialogBoxTwosetsofpropertiesexistforusewiththeIviDCPwrSimulationDriver.YouusethedialogboxshownbelowtoconfigurethemeasurementsimulationfortheIviDCPwrSimulatordriver.Scrolldowntoseeadescriptionofeachcontrol.
SimulatorSetupDialogBoxAlwayspromptforoutputdatasimulationLeavingthiscontrolselectedcausesthepaneltoappearateverymeasurementacquisitioneventinyourprogram.Allsimulatedacquisitionsintheprogramusethesamemeasurementconfigurationinformation.Unselectingthiscontrolcausesthemeasurementsimulationpaneltoneverappearagainduringthecourseofyourprogram.ChannelThiscontrolspecifiesthechannelforwhichyouwanttoconfigureasimulationmeasurement.MeasurementEnterthemeasurementbasetouseforallcomputergeneratedmeasurements.AllcomputergeneratedmeasurementvaluesfallwithintherangeofthisvalueplusorminusthevalueoftheNoisecontrol.ValidRange:anyvalueNoiseEnterthereadingnoisetouseforallcomputergeneratedmeasurements.AllcomputergeneratedmeasurementvaluesfallwithintherangeofthevalueoftheMeasurementcontrolplusorminusthisvalue.ValidRange:anypositivevalue
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PropertiesforStatusSimulationinIviDCPwrWhenanIviDCPwrdriverfunctioniscalled,thedriverquerieswhetherNISDCPWR_ATTR_SIMULATE_STATUS_CODEisenabled.Ifenabled,thedrivergetstheappropriatefunction'ssimulationstatuscode.Ifthevalueofthesimulationstatuscoderepresentsawarning(hasapositivevalue),thenitisreturnedasthefunction'sreturnstatusonlyifnoothererrororwarningoccurredbeforethefunctionends.Ifthevalueofthesimulationstatuscoderepresentsanerror(hasanegativevalue),thenitisreturnedasthefunction'sreturnstatusonlyifnoothererroroccurredbeforethefunctionends.ThefollowingIviDCPwrVIsdonotsupportstatuscodesimulation:
IviDCPwrGetErrorIviDCPwrClearErrorIviDCPwrGetNextInterchangeWarningIviDCPwrResetNextInterchangeWarningIviDCPwrClearNextInterchangeWarningIviDCPwrGetNextCoercionRecord
EachVIsupportedbytheIviDCPwrclassdriverhasacorrespondingpropertythatdeterminesthestatuscodetoreturnwhenstatuscodesimulationisenabled.ThefollowingtableliststhestatuscodepropertiesandtheVIforwhichtheyreturnavalue.ThesepropertiesarealloftypeViInt32,non-readable,andnon-channelbased.
NoteInthefollowingtable,theliteralstringNISDCPWRprecedesallpropertynames.
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IviDCPwrPropertiesforStatusSimulationProperty VIINIT_STATUS IviDCPwr
Initialize,IviDCPwrInitializeWithOptions
CLOSE_STATUS IviDCPwrCloseRESET_STATUS IviDCPwrResetSELF_TEST_STATUS IviDCPwrSelf-Test
ERROR_QUERY_STATUS IviDCPwrError-Query
ERROR_MESSAGE_STATUS IviDCPwrErrorMessage
REVISION_QUERY_STATUS IviDCPwrRevisionQuery
RESET_DEFAULT_STATUS IviDCPwrResetWithDefaults
DISABLE_STATUS IviDCPwrDisableINVALIDATE_STATUS IviDCPwr
InvalidateAllAttributes
GET_CH_NAME_STATUS IviDCPwrGetChannelName
CONFIGURE_OUTPUT_ENABLED_STATUS IviDCPwrConfigureOutputEnabled
CONFIGURE_OUTPUT_RANGE_STATUS IviDCPwrConfigureOutputRange
CONFIGURE_CURRENT_LIMIT_STATUS IviDCPwrConfigureCurrentLimit
CONFIGURE_OVP_STATUS IviDCPwr
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ConfigureOVPCONFIGURE_VOLTAGE_LEVEL_STATUS IviDCPwr
ConfigureVoltageLevel
QUERY_OUTPUT_STATE_STATUS IviDCPwrQueryOutputState
QUERY_MAX_CURRENT_LIMIT_STATUS IviDCPwrQueryMaxCurrentLimit
QUERY_MAX_VOLTAGE_LEVEL_STATUS IviDCPwrQueryMaxVoltageLevel
RESET_OUTPUT_PROTECTION_STATUS IviDCPwrResetOutputProtection
CONFIGURE_TRIGGER_SOURCE_STATUS IviDCPwrConfigureTriggerSource
CONFIGURE_TRIGGERED_VOLTAGE_LEVEL_STATUS IviDCPwrConfigureTriggeredVoltageLevel
CONFIGURE_TRIGGERED_CURRENT_LIMIT_STATUS IviDCPwrConfigureTriggeredCurrentLimit
ABORT_STATUS IviDCPwrAbortINITIATE_STATUS IviDCPwrInitiateSEND_SOFTWARE_TRIGGER_STATUS IviDCPwrSend
SoftwareTriggerMEASURE_STATUS IviDCPwrMeasure
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IviDmmClassDriverReferenceforLabVIEWConceptsIviDmmClassDriverOverviewIviDmmExtensionCapabilityGroupsIviDmmBehaviorModels
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IviDmmVIandPropertyReferenceIviDmmVITreeIviDmmPropertiesbyGroupIviDmmPropertyValueDefinitionsIviDmmErrorandCompletionCodesOtherReferenceInterchangeabilityCheckingSimulation
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IviDmmClassDriverOverviewThisinstrumentdriverprovidesprogrammingsupportfortheIviDmmClass.TheIviDmmclassisdesignedtosupportthetypicalDMMaswellascommonextendedfunctionalityfoundinmorecomplexinstruments.TheIviDmmclassdriverconceptualizesaDMMasaninstrumentthatcanmeasurescalarquantitiesofaninputsignalandcanbeappliedtoawidevarietyofinstruments.Typicallythemeasuredquantityisavoltage(ACandDC),current,orresistance.However,theIviDmmclassdrivercansupportinstrumentsthatmeasureotherquantitiessuchastemperatureandfrequency.ThedrivercontainsalltheVIsthattheIVIFoundationrequiresfortheIviDmmspecification.ThisdriverrequiresNI-VISAandtheIVICompliancePackagetobeinstalled.TheIviDmmclassisdividedintoaIviDmmBasecapabilitygroupandseveralextensiongroups.ThebasecapabilitygroupisusedtoconfigureaDMMforatypicalmeasurement(whichincludessettingthemeasurementVI,desiredrange,desiredresolution,andtriggersource),initiatingthatmeasurement,andreturningameasuredvalue.ManyDMMssupportmeasurementtypesthatrequireadditionalparameterstobeconfigured,suchastheminimumandmaximumfrequencyoftheinputsignalforACmeasurements.TheIviDmmclassdefinesextensiongroupsforeachmeasurementtypethatrequirestheseadditionalparameters.TheIviDmmclassalsodefinesanextensiongroupcalledIviDmmMultiPoint.TheIviDmmMultiPointextensiongroupisusedtoconfigureDMMsthatcanacquiremultiplemeasurementsbasedonmultipletriggersandtakemultiplemeasurementspertrigger.ThistypeofinstrumentusedinconjunctionwithascanneristypicallyusedtoimplementascanningDMM.Inaddition,theIviDmmclassdefinesextensiongroupsthatconfigureadvancedsettingssuchasauto-zeroandpowerlinefrequency,orreturnadditionalinformationaboutthecurrentstateoftheinstrumentsuchasaperturetime.UsethisdrivertodevelopprogramsthatareindependentofaparticularDMM.YoucanusethisclassdriverwithanyDMMthathasanIVIinstrumentspecificdriverthatiscompliantwiththeIviDmmclass.TheIviDmmclassdriveraccessesthespecificdriverforyourinstrumentusing
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theconfigurationinformationyousupplywithMAX.
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ExtensionCapabilityGroupsTheIviDmmclassdriveridentifiesVIsandpropertiesthatbelongtoanextensiongroupwiththefollowingabbreviations.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandpropertiesthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverthatyouusemustimplementthoseextensions.
GroupName Abbreviation DescriptionIviDmmACMeasurement [AC] Definespropertiesthat
configureadditionalsettingsforACmeasurements.Thesepropertiesaretheminimumandmaximumfrequencycomponentsoftheinputsignal.ThisextensiongroupalsodefinesVIsthatconfiguretheseproperties.
IviDmmAutoRangeValue [ARV] SupportsDMMswiththecapabilitytoreturntheactualrangevaluewhenautoranging.
IviDmmAutoZero [AZ] SupportsDMMswiththecapabilitytotakeanautozeroreading.Ingeneral,theauto-zerocapabilityofaDMMnormalizesallmeasurementsbasedonaZeroReading.
IviDmmDeviceInfo [DI] DefinesaVIandasetofpropertiesthatyoucanquerytogain
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additionalinformationabouttheinstrument'sconfiguration
IviDmmFrequencyMeasurement [FREQ] SupportsDMMsthattakefrequencymeasurements.Itdefinespropertiesthatarerequiredtoconfigureadditionalparametersneededforfrequencymeasurements.
IviDmmMultiPoint [MP] Supportsinstrumentscapableofacquiringmeasurementsbasedonmultipletriggers,andacquiringmultiplemeasurementsforeachtrigger
IviDmmPowerLineFrequency [PLF] SupportsDMMswiththecapabilitytospecifythepowerlinefrequency.
IviDmmResistanceTemperatureDevice
[RTD] SupportsDMMsthattaketemperaturemeasurementsusingaresistancetemperaturedevice(RTD)transducertype.
IviDmmSoftwareTrigger [SWT] SupportsDMMsthatcaninitiateameasurementbasedonasoftwaretriggersignal.YoucansendasoftwaretriggertocausetheDMMto
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initiateameasurement.
IviDmmTemperatureMeasurement [TMP] SupportsDMMsthattaketemperaturemeasurementswithathermocouple,anRTD,orathermistortransducertype.Thisextensiongroupselectsthetransducertype.Othercapabilitygroupsfurtherconfiguretemperaturesettingsbasedonthetransducertype.
IviDmmThermistor [THM] SupportsDMMsthattaketemperaturemeasurementsusingathermistortransducertype.
IviDmmThermocouple [TC] SupportsDMMsthattaketemperaturemeasurementsusingathermocoupletransducertype.
IviDmmTriggerSlope [TS] SupportsDMMsthatcanspecifythepolarityoftheexternaltriggersignal.ItdefinesanpropertyandaVItoconfigurethispolarity.
RelatedTopicsIVIInherentClassCapabilities
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IviDmmExtensionCapabilityGroupsTheIviDmmclassdriveridentifiesVIsandpropertiesthatbelongtoanextensiongroupwiththefollowingabbreviations.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandpropertiesthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverthatyouusemustimplementthoseextensions.
GroupName DescriptionIviDmmACMeasurement Definespropertiesthatconfigure
additionalsettingsforACmeasurements.Thesepropertiesaretheminimumandmaximumfrequencycomponentsoftheinputsignal.ThisextensiongroupalsodefinesVIsthatconfiguretheseproperties.
IviDmmAutoRangeValue SupportsDMMswiththecapabilitytoreturntheactualrangevaluewhenautoranging.
IviDmmAutoZero SupportsDMMswiththecapabilitytotakeanautozeroreading.Ingeneral,theauto-zerocapabilityofaDMMnormalizesallmeasurementsbasedonaZeroReading.
IviDmmDeviceInfo DefinesaVIandasetofpropertiesthatyoucanquerytogainadditionalinformationabouttheinstrument'sconfiguration
IviDmmFrequencyMeasurement SupportsDMMsthattakefrequencymeasurements.Itdefinespropertiesthatarerequiredtoconfigureadditionalparametersneededforfrequencymeasurements.
IviDmmMultiPoint Supportsinstrumentscapableofacquiringmeasurementsbasedon
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multipletriggers,andacquiringmultiplemeasurementsforeachtrigger
IviDmmPowerLineFrequency SupportsDMMswiththecapabilitytospecifythepowerlinefrequency.
IviDmmResistanceTemperatureDevice
SupportsDMMsthattaketemperaturemeasurementsusingaresistancetemperaturedevice(RTD)transducertype.
IviDmmSoftwareTrigger SupportsDMMsthatcaninitiateameasurementbasedonasoftwaretriggersignal.YoucansendasoftwaretriggertocausetheDMMtoinitiateameasurement.
IviDmmTemperatureMeasurement SupportsDMMsthattaketemperaturemeasurementswithathermocouple,anRTD,orathermistortransducertype.Thisextensiongroupselectsthetransducertype.Othercapabilitygroupsfurtherconfiguretemperaturesettingsbasedonthetransducertype.
IviDmmThermistor SupportsDMMsthattaketemperaturemeasurementsusingathermistortransducertype.
IviDmmThermocouple SupportsDMMsthattaketemperaturemeasurementsusingathermocoupletransducertype.
IviDmmTriggerSlope SupportsDMMsthatcanspecifythepolarityoftheexternaltriggersignal.ItdefinesanpropertyandaVItoconfigurethispolarity.
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IviDmmACMeasurementExtensionGroupTheIviDmmACMeasurementextensiongroupsupportsDMMsthattakeACvoltageorACcurrentmeasurements.ItdefinespropertiesthatconfigureadditionalsettingsforACmeasurements.Thesepropertiesaretheminimumandmaximumfrequencycomponentsoftheinputsignal.ThisextensiongroupalsodefinesVIsthatconfiguretheseproperties.
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ACMeasurementExtensionVIIviDmmConfigureACBandwidth
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ACMeasurementExtensionPropertiesIviDmmACMinimumFrequencyIviDmmACMaximumFrequencyRelatedTopicsIviDmmBehaviorModelIviDmmVITreeIviDmmProperties
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IviDmmAutoRangeValueExtensionGroupTheIviDmmAutoRangeValueextensionsupportsDMMswiththecapabilitytoreturntheactualrangevaluewhenautoranging.
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AutoRangeValueExtensionVIIviDmmGetAutoRangeValue
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AutoRangeValueExtensionPropertyIviDmmAutoRangeValueRelatedTopicsIviDmmbehaviormodel
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IviDmmAutoZeroExtensionGroupTheIviDmmAutoZeroextensiongroupsupportsDMMsthathavethecapabilitytotakeanauto-zeroreading.Ingeneral,theauto-zerocapabilityofaDMMnormalizesallmeasurementsbasedonaZeroReading.
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AutoZeroExtensionVIIviDmmConfigureAutoZeroMode
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AutoZeroExtensionPropertyIviDmmAutoZeroRelatedTopicsIviDmmbehaviormodel
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IviDmmBaseCapabilityGroupTheIviDmmbasecapabilitygroupsupportsDMMsthattakeonemeasurementatatime.TheIviDmmbasecapabilitygroupdefinespropertiesandtheirvaluestoconfigurethetypeofmeasurementandhowthemeasurementisperformed.Thesepropertiesincludethemeasurementfunction,range,resolution,triggersource,andtriggerdelay.TheIviDmmbasecapabilitygroupincludesVIsforconfiguringtheDMMaswellasinitiatingandretrievingmeasurements.
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IviDmmBaseVIsIviDmmConfigureMeasurementIviDmmConfigureTriggerIviDmmReadIviDmmAbortIviDmmInitiateIviDmmFetchIviDmmSendSoftwareTriggerIviDmmIsOver-Range
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IviDmmBasePropertiesIviDmmFunctionIviDmmRangeIviDmmResolutionIviDmmTriggerSourceIviDmmTriggerDelayRelatedTopicsIVIInherentVIsIVIInherentPropertiesIviDmmBehaviorModelFormoreVIandpropertyinformation:IviDmmVITreeIviDmmProperties
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IviDmmDeviceInfoExtensionGroupTheIviDmmDeviceInfocapabilitygroupdefinesasetofread-onlypropertiesthatcanbequeriedtogainadditionalinformationconcerninghowtheDMMispresentlyconfigured.
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IviDmmDeviceInfoVIIviDmmGetApertureTimeInfo
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IviDmmDeviceInfoPropertiesIviDmmApertureTime[DI]IviDmmApertureTimeUnits[DI]
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BehaviorModelIviDmmbehaviormodel
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IviDmmFrequencyMeasurementExtensionGroupTheIviDmmFrequencyMeasurementextensiongroupsupportsDMMsthattakefrequencymeasurements.Thisgroupdefinespropertiesthatarerequiredtoconfigureadditionalparametersneededforfrequencymeasurements.
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FrequencyMeasurementExtensionVIIviDmmConfigureFrequencyVoltageRange[FRQ]
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FrequencyMeasurementExtensionPropertyIviDmmFrequencyVoltageRangeRelatedTopicsIviDmmbehaviormodel
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IviDmmMultiPointExtensionGroupTheIviDmmMultiPointextensiongroupdefinesextensionsforDMMscapableofacquiringmeasurementsbasedonmultipletriggers,andacquiringmultiplemeasurementsforeachtrigger.TheIviDmmMultiPointextensiongroupdefinesadditionalpropertiessuchsamplecount,sampletrigger,triggercount,andsampleintervaltocontrolmultipointDMMs.TheIviDmmMultiPointextensiongroupalsoaddsVIsforconfiguringtheDMMaswellasstartingacquisitionsandretrievingmultiplemeasuredvalues.
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MultipointExtensionVIsIviDmmConfigureMeasCompleteDestIviDmmConfigureMultipointIviDmmReadMultipointIviDmmFetchMultiplePoint
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MultipointExtensionPropertiesIviDmmMeasCompleteDestination[MP]IviDmmSampleCount[MP]IviDmmSampleInterval[MP]IviDmmSampleTrigger[MP]IviDmmTriggerCount[MP]RelatedTopicsIviDmmPropertiesIviDmmVIsIviDmmbehaviormodel
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IviDmmPowerLineFrequencyExtensionGroupTheIviDmmPowerLineFrequencyextensiongroupsupportsDMMswiththecapabilitytospecifythepowerlinefrequency.
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PowerLineFrequencyExtensionVIIviDmmConfigurePowerLineFrequency[PLF]
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PowerLineFrequencyExtensionPropertyIviDmmPowerlineFrequencyRelatedTopicsIviDmmbehaviormodel
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IviDmmResistanceTemperatureDeviceExtensionGroupTheIviDmmResistanceTemperatureDeviceextensiongroupsupportsDMMsthattaketemperaturemeasurementsusingaresistancetemperaturedevice(RTD)transducertype.TheIviDmmclassassumesthatyouareusingaPlatinumResistanceTemperatureDevice.
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ResistanceTemperatureDeviceExtensionVIIviDmmConfigureRTD
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ResistanceTemperatureDeviceExtensionPropertiesIviDmmRTDAlphaIviDmmRTDResistanceRelatedTopicsIviDmmbehaviormodel
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IviDmmSoftwareTriggerExtensionGroupTheIviDmmSoftwareTriggerextensiongroupsupportsDMMsthatcaninitiateameasurementbasedonasoftwaretriggersignal.YoucansendasoftwaretriggertocausetheDMMtoinitiateameasurement.
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SoftwareTriggerExtensionVIIviDmmSendSoftwareTriggerRelatedTopicsIviDmmbehaviormodel
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IviDmmTemperatureMeasurementExtensionGroupTheIviDmmTemperatureMeasurementextensiongroupsupportsDMMsthattaketemperaturemeasurementswithathermocouple,anRTD,orathermistortransducertype.Thisextensiongroupselectsthetransducertype.Othercapabilitygroupsfurtherconfiguretemperaturesettingsbasedonthetransducertype.
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TemperatureMeasurementExtensionVIIviDmmConfigureTransducerType
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TemperatureMeasurementExtensionPropertyIviDmmTransducerType[TMP]RelatedTopicsIviDmmbehaviormodel
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IviDmmThermistorExtensionGroupTheIviDmmThermistorextensiongroupsupportsDMMsthattaketemperaturemeasurementsusingathermistortransducertype.TheIviDmmclassassumesthatyouareusinganinterchangeablethermistor.Interchangeablethermistorsarethermistorsthatexhibitsimilarbehaviorforagivenresistancevalue.
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ThermistorExtensionVIIviDmmConfigureThermistor[THM]
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ThermistorExtensionPropertyIviDmmThermistorResistanceRelatedTopicsIviDmmbehaviormodel
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IviDmmThermocoupleExtensionGroupTheIviDmmThermocoupleextensiongroupsupportsDMMsthattaketemperaturemeasurementsusingathermocoupletransducertype.
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ThermocoupleExtensionVIsIviDmmConfigureThermocoupleIviDmmConfigureFixedRefJunction
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ThermocoupleExtensionPropertiesIviDmmFixedReferenceJunctionIviDmmReferenceJunctionTypeIviDmmThermocoupleTypeRelatedTopicsIviDmmbehaviormodel
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IviDmmTriggerSlopeExtensionGroupTheIviDmmTriggerSlopeextensiongroupsupportsDMMsthatcanspecifythepolarityoftheexternaltriggersignal.ItdefinesanpropertyandaVItoconfigurethispolarity.
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TriggerSlopeExtensionVIIviDmmConfigureTriggerSlope
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TriggerSlopeExtensionPropertyIviDmmTriggerSlopeRelatedTopicsIviDmmbehaviormodel
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IviDmmBehaviorModelsIviDmmIviDmmMultiPointIviDmmSoftwareTrigger
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IviDmmBehaviorModelThefollowingstatediagramshowsrelationshipsbetweentheIviDmmbasecapabilitygroupandDMMbehavior.
IviDmmBehaviorModelThemainstateintheIviDmmClassistheIdlestate.TheDMMenterstheIdlestatewhenitispowered-on,whenitsuccessfullycompletesameasurement,orwhenyoucallIviDmmAbortfromapreviousmeasurement.Typically,youconfiguretheDMMwhileitisintheIdlestate.IviDmmpropertiescanbeconfiguredindividuallywiththepropertynodeorwiththehigh-levelIviDmmConfigureMeasurementVI.TheIviDmmReadandIviDmmInitiateVIscausetheDMMtoleavetheIdlestateandtransitiontotheWait-For-Triggerstate.TheIviDmmReadVIdoesnotreturnuntilthemeasurementprocessiscompleteandtheDMMhasreturnedtotheIdlestate.TheIviDmmInitiateVIreturnsassoonastheDMMleavestheIdlestate.TheDMMleavestheWait-For-Triggerstatewhenitreceivesatriggerevent.ThetypeoftriggereventisspecifiedbythepropertyIviDmmTriggerSource.Afterthespecifiedtriggereventoccurs,theDMMwaitstheamountoftimespecifiedbythepropertyIviDmmTriggerDelayandthentakesameasurement.ThetypeofmeasurementisspecifiedbytheIviDmm
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Function,IviDmmRange,andIviDmmResolutionproperties.IfyousettheIviDmmFunctionpropertytoavaluethatrequiresanextensioncapabilitygroup,thepropertiesofthatcapabilitygroupfurtherconfigurethemeasurement.Afterthemeasurementistaken,theDMM(ifitiscapableofdoingso)generatestheMeasurementCompletesignalandreturnstotheIdlestate.TheIviDmmbasecapabilitygroupdoesnotrequirethataDMMbeabletogenerateaMeasurementCompletesignal.TheMeasurementCompletesignalispresentedintheBaseCapabilitiesStateDiagramtodefinewhenthesignalisgeneratedasmostDMMsgeneratethissignalbutmaynotbeabletoconfigureit.TheIviDmmFetchVIisusedtoretrievemeasurementsthatwereinitiatedbytheIviDmmInitiateVI.ThemeasurementdatareturnedfromtheIviDmmReadandIviDmmFetchVIsisacquiredaftertheDMMhaslefttheWait-For-Triggerstate.
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IviDmmMultiPointBehaviorModelThefollowingstatediagramshowsrelationshipsbetweenIviDmmMultiPointextensiongroupandDMMbehavior.OnlytheelementsaddedbytheIviDmmMultiPointcapabilitygrouparerepresentedinthisstatediagram.
IviDmmMultiPointBehaviorModelTheIviDmmMultiPointbehaviormodelbuildsuponthefundamentalIviDmmbehaviormodelandonlydocumentsadditionalitemsintroducedbytheIviDmmMultiPointextensiongroup.ThemainstateistheIdlestate.Typically,youconfiguretheIviDmmMultiPointpropertieswhileDMMisintheIdlestate.IviDmmMultiPointpropertiescanbeconfiguredindividuallywiththehigh-levelIviDmmConfigureMultiPointVI.TheIviDmmInitiateandIviDmmReadMultiPointVIscausetheDMMtoleavetheIdlestateandtransitiontotheWait-For-Triggerstate.TheIviDmmReadMultiPointVIdoesnotreturnuntilthemeasurementprocessiscompleteandtheDMMreturnstotheIdlestate.TheIviDmmInitiateVIreturnsassoonastheDMMleavestheIdlestate.TheIviDmmMultiPointextensiongroupdoesnotaddadditionalcapabilitiestotheWait-For-Triggerstate.AftertheDMMleavestheWait-For-Triggerstate,itthenexecutesadelay.ThelengthofthedelayisspecifiedbytheIviDmmTriggerDelayproperty.Afterthemeasurementistaken,theDMMthen,ifitiscapableofdoingso,generatestheMeasurementCompletesignal.TheDMMthencomparesthesamplecountwiththenumberofmeasurementstakensincethelasttriggerevent.ThesamplecountisspecifiedbytheIviDmmSampleCount[MP]property.IfthenumbermeasurementsisnotequaltothesamplecounttheDMMmovestotheWait-For-Sample-Triggerstate.TheDMMremainsintheWait-For-Sample-TriggerstateuntiltheeventspecifiedbythepropertyIviDmmSampleTrigger[MP]occurs.Thenittakesanothermeasurement.Oncethenumberofmeasurementstakenisequaltothesamplecount,theDMMthencomparesthenumbertriggercountwiththenumberoftriggereventsthathaveoccurredsinceeithertheIviDmmInitiateorIviDmmReadMultiPointVIwascalled.Thetriggercountisspecifiedby
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thepropertyIviDmmTriggerCount[MP].Ifthenumberoftriggereventsisnotequaltothetriggercount,theDMMreturnstotheWait-For-Triggerstate.Oncethenumberoftriggereventsisequaltothetriggercount,theDMMreturnstotheIdlestate.TheIviDmmFetchMultiPointVIisusedtoretrievemeasureddatafrommeasurementsinitiatedbytheIviDmmInitiateVI.ThemeasurementdatareturnedfromtheIviDmmReadMultiPointandIviDmmFetchMultiPointVIsisacquiredaftertheDMMhaslefttheWait-For-Triggerstate.
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IviDmmSoftwareTriggerBehaviorModelThebehaviormodeloftheIviDmmSoftwareTriggerfollowsthebehaviormodeloftheIviDmmBasecapabilitygroupandtheIviDmmMultiPointextensiongroup.Itdefinesanadditionaltriggereventforthetriggersource.TheDMMleavestheWait-For-TriggerstatewhenitreceivesatriggereventspecifiedbytheIviDmmTriggerSourceproperty.TheDMMleavestheWait-For-Sample-TriggerstatewhenitreceivesatriggereventspecifiedbytheIviDmmSampleTrigger[MP]property.WhenthetriggersourceorsampletriggerissettoIVIDMM_VAL_SOFTWARE_TRIG,theIviDmmSendSoftwareTriggerVIisusedtogeneratethetriggerevent.CallingthisVIcausestheDMMtotakeameasurement.
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IviDmmVITreeTheVItreefortheIviDmmclassdriver,includingIVIandVXIplug&playrequiredVIs,isshowninthefollowingtable.
NoteYouusetheLabVIEWPropertyNodetogetandsetproperties.
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IviDmmVITreeNameorClass VIName RequiredBy
Initialize IviDmmInitialize
VPP
InitializeWithOptions
IviDmmInitializeWithOptions
IVI
Configuration
ConfigureMeasurement
IviDmmConfigureMeasurement
IviDmmConfigureMeasurement
SpecificMeasurements
ConfigureACBandwidth[AC]
IviDmmConfigureACBandwidth
IviDmmACMeasurement
ConfigureFrequencyVoltageRange[FRQ]
IviDmmConfigureFrequencyVoltageRange
IviDmmFrequencyMeasurement
Temperature
ConfigureTransducerType[TMP]
IviDmmConfigureTransducerType
IviDmmTemperatureMeasurement
ConfigureThermocouple[TC]
IviDmmConfigureThermocouple
IviDmmThermocouple
ConfigureFixedRefJunction[TC]
IviDmmConfigureFixedRefJunction
IviDmmThermocouple
IviDmm IviDmmResistanceTemperatureDevice
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ConfidentRTD[RTD]
ConfigureRTD
ConfigureThermistor[THM]
IviDmmConfigureThermistor
IviDmmThermistor
Trigger
ConfigureTrigger
IviDmmConfigureTrigger
IviDmm
ConfigureTriggerSlope
IviDmmConfigureTriggerSlope
IviDmmTriggerSlope
Multipoint
ConfigureMultipoint[MP]
IviDmmConfigureMultipoint
IviDmmMultiPoint
ConfigureMeasCompleteDest[MP]
IviDmmConfigureMeasCompleteDest
IviDmmMultiPoint
MeasurementOperationOptions
ConfigureAutoZeroMode[AZ]
IviDmmConfigureAutoZeroMode
IviDmmAutoZero
ConfigurePowerLineFrequency[PLF]
IviDmmConfigurePowerLineFrequency
IviDmmPowerLineFrequency
ConfigurationInformation
GetAutoRangeValue[ARV]
IviDmmGetAutoRangeValue
IviDmmAutoRangeValue
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GetApertureTimeInfo[DI]
IviDmmGetApertureTimeInfo
IviDmmDeviceInfo
Measurement
Read IviDmmRead IviDmm
ReadMultipoint[MP]
IviDmmReadMultipoint
IviDmmMultiPoint
Low-LevelMeasurement
Initiate IviDmmInitiate IviDmm
SendSoftwareTrigger
IviDmmSendSoftwareTrigger
IviDmmSoftwareTrigger
Fetch IviDmmFetch IviDmm
FetchMultipoint[MP]
IviDmmFetchMultiplePoint
IviDmmMultiPoint
Abort IviDmmAbort IviDmm
IsOverrange IviDmmIsOver-Range
IviDmm
Utility
Reset IviDmmReset VPP
ResetWithDefaults
ResetWithDefaults
VPP
Self-Test IviDmmSelf-Test
VPP
Disable Disable VPP
InvalidateAll InvalidateAllAttributes
VPP
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Attributes
RevisionQuery
IviDmmRevisionQuery
VPP
Error-Query IviDmmError-Query
VPP
ErrorMessage IviDmmErrorMessage
VPP
InterchangeabilityInfo
GetNextInterchangeWarning
IviDmmGetNextInterchangeWarning
IVI
ResetInterchangeCheck
IviDmmResetInterchangeCheck
IVI
ClearInterchangeWarnings
IviDmmClearInterchangeWarnings
IVI
CoercionInfo
GetNextCoercionRecord
IviDmmGetNextCoercionRecord
IVI
Close IviDmmClose VPP
RelatedTopicsIviDmmPropertiesIVIInherentVIs
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IviDmmPropertiesNoteYouusetheLabVIEWPropertyNodetogetandsetproperties.
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IviDmmBasePropertiesIviDmmFunctionIviDmmRangeIviDmmResolutionIviDmmTriggerSourceIviDmmTriggerDelay
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ACMeasurementPropertiesIviDmmACMinimumFrequencyIviDmmACMaximumFrequency
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AutoRangeValuePropertiesIviDmmAutoRangeValue
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AutoZeroPropertiesIviDmmAutoZero
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DeviceInfoPropertiesIviDmmApertureTime[DI]IviDmmApertureTimeUnits[DI]
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FrequencyMeasurementPropertiesIviDmmFrequencyVoltageRange
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MultipointPropertiesIviDmmMeasCompleteDestination[MP]IviDmmSampleCount[MP]IviDmmSampleInterval[MP]IviDmmSampleTrigger[MP]IviDmmTriggerCount[MP]
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PowerLineFrequencyPropertyIviDmmPowerlineFrequency
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ResistanceTemperatureDevicePropertiesIviDmmRTDAlphaIviDmmRTDResistance
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TemperatureMeasurementPropertiesIviDmmTransducerType
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ThermistorPropertiesIviDmmThermistorResistance
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ThermocouplePropertiesIviDmmThermocoupleTypeIviDmmReferenceJunctionTypeIviDmmFixedReferenceJunction
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TriggerSlopePropertiesIviDmmTriggerSlope
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IviDmmPropertyValueDefinitionsThefollowingtabledefinesvaluesforeachpropertyconstantintheIviDmmclass.
NoteInthefollowingtable,theliteralstringIVIDMMprecedesthepropertyname,andtheliteralstringIVIDMMprecedesthevalueextensionname.
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IviDmmPropertyDefinedValues
Property ValueName DefinedValue Definitions
APERTURETIMEUNITS
Seconds 0 ReportsthattheunitsforthevaluereturnedbyIviDmmApertureTimeseconds
PowerLineCycles
1 ReportsthattheunitsforthevaluereturnedbyIviDmmApertureTimePowerlineCycles.
AUTOZER0 Off 0 Disablesauto-ranging.TheDMMsetstherangetothevalueitmostrecentlycalculated.Furtherqueriesofthispropertyreturntheactualrange.
On 1 ConfigurestheDMMtotakeaZeroReadingforeachmeasurement.TheDMMsubtractstheZeroReadingfromthevalueitmeasures.
Once 2 ConfigurestheDMMtocalculatetherangebeforethenextmeasurement.TheDMMusesthisrangevalueforallsubsequentmeasurements.Furtherqueriesofthispropertyshouldreturntheactualrange.
FUNCTION DCVolts 1 SetstheDMMtomeasureDCvoltage.ACVolts 2 SetstheDMMtomeasureACvoltage.DCCurrent 3 SetstheDMMtomeasureDCcurrent.ACCurrent 4 SetstheDMMtomeasureACcurrent.2WireResistance
5 SetstheDMMtomeasure2-wireresistance.
4WireResistance
101 SetstheDMMtomeasure4-wireresistance.
Frequency 104 SetstheDMMtomeasurefrequency.Period 105 SetstheDMMtomeasureperiod.
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AC+DCVolts
106 SetstheDMMtomeasureACplusDCvoltage.
AC+DCCurrent
107 SetstheDMMtomeasureACplusDCcurrent.
Temperature 108 SetstheDMMtomeasuretemperatureinCelsius.
MEASCOMPLETEDEST
None -1 Themeasurementcompletesignalisnotrouted.
External 2 Routesthemeasurement-completesignaltotheexternalconnector.
PXITRIG0orVXITTL0
111 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL0.
PXITRIG1orVXITTL1
112 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL1.
PXITRIG2orVXITTL2
113 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL2.
PXITRIG3orVXITTL3
114 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL3.
PXITRIG4orVXITTL4
115 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL4.
PXITRIG5orVXITTL5
116 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL5.
PXITRIG6orVXITTL6
117 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL6.
PXITRIG7orVXITTL7
118 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL7.
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ECLO 119 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronECL0.
ECL1 120 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronECL1.
PXIStar 131 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronthePXIStartriggerbus.
RTSI0 140RTSI1 141RTSI2 142RTSI3 143RTSI4 144RTSI5 145RTSI6 146
RANGE On -1.0 ConfigurestheDMMtocalculatetherangebeforeeachmeasurementautomatically.WhenthispropertyissettoIVIDMM_VAL_AUTO_RANGE_ONyoucanobtaintheactualrangetheDMMiscurrentlyusingbygettingthevalueoftheIviDmmAutoRangeValueproperty.
Off -2.0 Disablesauto-ranging.TheDMMsetstherangetothevalueitmostrecentlycalculated.Furtherqueriesofthispropertyreturntheactualrange.
Once -3.0 ConfigurestheDMMtocalculatetherangebeforethenextmeasurement.TheDMMusesthisrangevalueforallsubsequentmeasurements.Furtherqueriesofthispropertyshouldreturntheactualrange.
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SAMPLETRIGGER
Immediate 1 1
External 2 2SoftwareTriggerFunction
3 TheDMMexitstheWait-For-TriggerstateortheWait-For-Sample-TriggerstatewhentheIviDmmSendSoftwareTriggerVIexecutes.
Interval 10 TheDMMexitstheWait-For-Sample-TriggerstatewhenthelengthoftimespecifiedbytheIviDmmSampleIntervalpropertyelapses.
PXITRIG0orVXITTL0
111 111
PXITRIG1orVXITTL1
112 112
PXITRIG2orVXITTL2
113 113
PXITRIG3orVXITTL3
114 114
PXITRIG4orVXITTL4
115 115
PXITRIG5orVXITTL5
116 116
PXITRIG6orVXITTL6
117 117
PXITRIG7orVXITTL7
118 118
ECLO 119 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronECL0.
ECL1 120 120PXIStar 131 TheDMMexitstheWait-For-Triggeror
theWait-For-Sample-TriggerstatewhenitreceivesatriggeronthePXIStar
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triggerbus.RTSI0 140RTSI1 141RTSI2 142RTSI3 143RTSI4 144RTSI5 145RTSI6 146
TEMPTCREFJUNCTYPE
Internal 1 SetstheDMMtouseafixedvalueforthethermocouplejunctioncompensation.
Fixed 2 SetstheDMMtouseafixedvalueforthethermocouplejunctioncompensation.
TEMPTCTYPE
B 1 SetstheDMMtomeasuretemperaturefromaB-typethermocouple.
C 2 SetstheDMMtomeasuretemperaturefromaC-typethermocouple.
D 3 SetstheDMMtomeasuretemperaturefromaD-typethermocouple.
E 4 SetstheDMMtomeasuretemperaturefromaE-typethermocouple.
G 5 SetstheDMMtomeasuretemperaturefromaG-typethermocouple.
J 6 SetstheDMMtomeasuretemperaturefromaJ-typethermocouple.
K 7 SetstheDMMtomeasuretemperaturefromaK-typethermocouple.
N 8 SetstheDMMtomeasuretemperaturefromaN-typethermocouple.
R 9 SetstheDMMtomeasuretemperaturefromaR-typethermocouple.
S 10 SetstheDMMtomeasuretemperature
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fromaS-typethermocouple.T 11 SetstheDMMtomeasuretemperature
fromaT-typethermocouple.U 12 SetstheDMMtomeasuretemperature
fromaU-typethermocouple.V 13 SetstheDMMtomeasuretemperature
fromaV-typethermocouple.TEMPTRANSDUCERTYPE
Thermocouple 1 SetstheDMMtomeasuretemperatureusingathermocouple.UsetheIviDmmThermocoupleextensiongrouptoconfigureadditionalsettingsforthistransducertype.
Thermistor 2 SetstheDMMtomeasuretemperatureusingathermistor.UsetheIviDmmThermistorextensiongroupconfigureadditionalsettingsforthistransducertype.
2-WireRTD 3 SetstheDMMtomeasuretemperatureusinga2-wiretemperatureresistancedevice.UsetheIviDmmResistanceTemperatureDeviceExtensionGrouptoconfigureadditionalsettingsforthistransducertype.
4-WireRTD 4 SetstheDMMtomeasuretemperatureusinga4-wiretemperatureresistancedevice.UsetheIviDmmResistanceTemperatureDeviceExtensionGrouptoconfigureadditionalsettingsforthistransducertype.
TRIGGERDELAY
On -1.0 ConfigurestheDMMtocalculatethetriggerdelaybeforeeachmeasurement.
Off -2.0 StopstheDMMfromcalculatingthetriggerdelay.SetsthetriggerdelaytothelasttriggerdelaytheDMMcalculated.
NoteAfteryousetthispropertyto
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IVIDMM_VAL_AUTO_DELAY_OFFfurtherqueriesofthispropertyshouldreturntheactualdelay.
TRIGGERSLOPE
Positive 0 Setsthetriggereventtooccurontherisingedgeofthetriggerpulse.
Negative 1 Setsthetriggereventtooccuronthefallingedgeofthetriggerpulse.
TRIGGERSOURCE
Immediate 1 TheDMMexitstheWait-For-TriggerstateortheWait-For-Sample-Triggerstateimmediatelyafterentering.Itdoesnotwaitforatriggerofanykind.
External 2 TheDMMexitstheWait-For-Triggerstatewhenatriggeroccursontheexternaltriggerinput.
SoftwareTriggerFunction
3 TheDMMexitstheWait-For-TriggerstateortheWait-For-Sample-TriggerstatewhentheIviDmmSendSoftwareTriggerVIexecutes.
PXITRIG0orVXITTL0
111 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL0.
PXITRIG1orVXITTL1
112 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL1.
PXITRIG2orVXITTL2
113 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL2.
PXITRIG3orVXITTL3
114 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL3.
PXITRIG4orVXITTL4
115 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL4.
PXITRIG5orVXITTL5
116 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-Triggerstatewhen
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itreceivesatriggeronTTL5.PXITRIG6orVXITTL6
117 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL6.
PXITRIG7orVXITTL7
118 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL7.
ECLO 119 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronECL0.
ECL1 120 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronECL1.
PXIStar 131 TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronthePXIStartriggerbus.
RTSI0 140RTSI1 141RTSI2 142RTSI3 143RTSI4 144RTSI5 145RTSI6 146
RelatedTopicsIviDmmVITreeIviDmmProperties
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IviDmmErrorandWarningCodesStatusCodeRangesStatusCodeType NumericRange(inHex)IviDmmErrors 0xBFFA2001to0xBFFA3FFFIviDmmWarnings 0x3FFA2001to0x3FFA3FFFIVISpecificDriverErrors 0xBFFA4000to0xBFFA5FFFIVISpecificDriverWarnings 0x3FFA4000to0x3FFA5FFFIVIErrors 0xBFFA0000to0xBFFA1FFFIVIWarnings 0x3FFA0000to0x3FFA1FFFCommonInstrumentDriverErrors 0xBFFC0000to0xBFFCFFFFCommonInstrumentDriverWarnings 0x3FFC0000to0x3FFCFFFFVISAErrors 0xBFFF0000to0xBFFFFFFFVISAWarnings 0x3FFF0000to0xFFFFFFF
TheIviDmmclassdriverdefinestheerrorcodesshowninthefollowingtableinadditiontotheIVIdefinederrorcodes.
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IviDmmErrorCodesError Value MessageIVIDMM_ERROR_MAX_TIME_EXCEEDED 0xBFFA2001 Maximum
timeexceededbeforetheoperationcompleted.
IVIDMM_ERROR_TRIGGER_NOT_SOFTWARE 0xBFFA1001 Thetriggersourceisnotsoftwaretrigger.
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IviDmmWarningCodeWarning Value MessageIVIDMM_WARN_OVER_RANGE 0x3FFA2001 OverRangewarning
RelatedTopicIVIStatusCodes
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IviDmmVIsExpandthisbooktoviewanalphabetizedlistofIviDmmVIs.
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IviDmmAbortIviDmmBaseCapabilityGroupThisVIabortsapreviouslyinitiatedmeasurementandreturnstheDMMtotheIdlestate.
NoteThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheIviDmmError-QueryVIattheconclusionofthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmConfigureACBandwidthIviDmmACMeasurementCapabilityGroup[AC]ThisVIconfigurestheACminimumandmaximumfrequencyforDMMsthattakeACvoltageorACcurrentmeasurements.ThisVIaffectsthebehavioroftheinstrumentonlyiftheIviDmmFunctionpropertyissettoanACvoltageorACcurrentmeasurement.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.acminfrequency(20.0Hz)PasstheminimumexpectedfrequencycomponentoftheinputsignalinHertz.ThedriversetstheIviDmmACMinimumFrequency[AC]propertytothisvalue.DefaultValue:20.0
acmaxfrequency(300.0E+3Hz)PassthemaximumexpectedfrequencycomponentoftheinputsignalinHertz.ThedriversetstheIviDmmACMaximumFrequency[AC]propertytothisvalue.DefaultValue:300000.0
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmConfigureAutoZeroModeIviDmmAutoZeroCapabilityGroup[AZ]ThisVIconfigurestheauto-zeromodeoftheDMM.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.autozeromode(Off)Specifytheauto-zeromode.ThedriversetstheIviDmmAutoZero[AZ]propertytothisvalue.Whentheauto-zeromodeisenabled,theDMMinternallydisconnectstheinputsignalandtakesaZeroReading.TheDMMthensubtractstheZeroReadingfromthemeasurement.Thispreventsoffsetvoltagespresentintheinstrument'sinputcircuitryfromaffectingmeasurementaccuracy.DefinedValues:IVIDMM_VAL_AUTO_ZERO_ON—ConfigurestheDMMtotakeaZeroReadingforeachmeasurement.TheDMMsubtractstheZeroReadingfromthevalueitmeasures.IVIDMM_VAL_AUTO_ZERO_OFF—Disablestheauto-zerofeature.IVIDMM_VAL_AUTO_ZERO_ONCE—ConfigurestheDMMtotakeaZeroReadingimmediately.TheDMMthensubtractsthisZeroReadingfromallsubsequentvaluesitmeasures.DefaultValue:IVIDMM_VAL_AUTO_ZERO_OFF
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmConfigureFixedRefJunctionIviDmmThermocoupleCapabilityGroup[TC]ThisVIconfiguresthefixedreferencejunctionforathermocouplewithafixedreferencejunctiontype.ThisVIaffectsthebehavioroftheinstrumentonlywhentheIviDmmReferenceJunctionType[TC]propertyissettoIVIDMM_VAL_TEMP_REF_JUNC_FIXED.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.fixedrefjunc(0.0ºCelsius)Passthereferencejunctiontemperaturewhenafixedreferencejunctiontypethermocoupleisusedtotakethetemperaturemeasurement.TheunitsaredegreesCelsius.ThedriversetstheIviDmmFixedReferenceJunction[TC]propertytothisvalue.DefaultValue:0.0ºC
NoteThispropertymayalsobeusedtospecifythethermocouplejunctiontemperatureofaninstrumentthatdoesnothaveaninternaltemperaturesensor.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformation
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outofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmConfigureFrequencyVoltageRangeIviDmmFrequencyMeasurementCapabilityGroup[FRQ]ThisVIconfiguresthefrequencyvoltagerangeoftheDMMforfrequencyandperiodmeasurements.ThisVIaffectsthebehavioroftheinstrumentonlyiftheIviDmmFunctionpropertyissettoIVIDMM_VAL_FREQorIVIDMM_VAL_PERIOD.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.freqvoltrange(10.0VRMS)PasstheexpectedmaximumvalueoftheinputsignalforfrequencyandperiodmeasurementsinvoltsRMS.ThedriversetstheIviDmmFrequencyVoltageRange[FRQ]propertytothisvalue.Thedriverreservesspecialnegativevaluesfortheauto-rangemode.DefinedValues:IVIDMM_VAL_AUTO_RANGE_ON(-1.0)—Auto-rangeOnIVIDMM_VAL_AUTO_RANGE_OFF(-2.0)—Auto-rangeOffDefaultValue:10.0VRMS
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmConfigureMeasCompleteDestIviDmmMultiPointCapabilityGroup[MP]ThisVIconfiguresthedestinationofthemeasurement-completesignal.ThissignaliscommonlyreferredtoasVoltmeterComplete.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.meascompletedest(None)Specifythedestinationofthemeasurement-completesignal.ThedriversetstheIviDmmMeasCompleteDestination[MP]propertytothisvalue.DefinedValues:IVIDMM_VAL_NONE—NoneIVIDMM_VAL_EXTERNAL—ExternalIVIDMM_VAL_TTL0—PXITRIG0orVXITTL0IVIDMM_VAL_TTL1—PXITRIG1orVXITTL1IVIDMM_VAL_TTL2—PXITRIG2orVXITTL2IVIDMM_VAL_TTL3—PXITRIG3orVXITTL3IVIDMM_VAL_TTL4—PXITRIG4orVXITTL4IVIDMM_VAL_TTL5—PXITRIG5orVXITTL5IVIDMM_VAL_TTL6—PXITRIG6orVXITTL6IVIDMM_VAL_TTL7—PXITRIG7orVXITTL7IVIDMM_VAL_ECL0—VXIECL0IVIDMM_VAL_ECL1—VXIECL1IVIDMM_VAL_PXI_STAR—PXIStarIVIDMM_VAL_RTSI_0—RTSIline0
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IVIDMM_VAL_RTSI_1—RTSIline1IVIDMM_VAL_RTSI_2—RTSIline2IVIDMM_VAL_RTSI_3—RTSIline3IVIDMM_VAL_RTSI_4—RTSIline4IVIDMM_VAL_RTSI_5—RTSIline5IVIDMM_VAL_RTSI_6—RTSIline6DefaultValue:IVIDMM_VAL_NONE
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmConfigureMeasurementIviDmmBaseCapabilityGroupThisVIconfiguresthecommonpropertiesoftheDMM.Thesepropertiesincludethemeasurementfunction,maximumrange,andresolution.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.measurementfunction(DCVolts)PassthemeasurementVIyouwanttheDMMtoperform.ThedriversetstheIviDmmFunctionpropertytothisvalue.ValidValues:IVIDMM_VAL_DC_VOLTS—DCVoltsIVIDMM_VAL_AC_VOLTS—ACVoltsIVIDMM_VAL_DC_CURRENT—DCCurrentIVIDMM_VAL_AC_CURRENT—ACCurrentIVIDMM_VAL_2_WIRE_RES—2-WireResistanceIVIDMM_VAL_4_WIRE_RES—4-WireResistanceIVIDMM_VAL_AC_PLUS_DC_VOLTS—ACplusDCVoltsIVIDMM_VAL_AC_PLUS_DC_CURRENT—ACplusDCCurrentIVIDMM_VAL_FREQ—FrequencyIVIDMM_VAL_PERIOD—PeriodIVIDMM_VAL_TEMPERATURE—Temperature(C)DefaultValue:IVIDMM_VAL_DC_VOLTS
range(-1.0:Auto)Passthemeasurementrangeyouwanttouse.ThedriversetstheIviDmmRangepropertytothisvalue.
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Usepositivevaluestorepresenttheabsolutevalueofthemaximumexpectedmeasurement.ThevaluemustbeinunitsappropriatefortheMeasurementFunction.Forexample,whenyousettheMeasurementFunctiontoIVIDMM_VAL_DC_VOLTS,youmustspecifytheRangeinvolts.Settingthisparameterto10.0configurestheDMMtomeasureDCvoltagesfrom–10.0to+10.0volts.ThedriverreservesspecialnegativevaluesforcontrollingtheDMM'sauto-rangingcapability.DefinedValues:IVIDMM_VAL_AUTO_RANGE_ON(-1.0)—Auto-rangeOnIVIDMM_VAL_AUTO_RANGE_OFF(-2.0)—Auto-rangeOffIVIDMM_VAL_AUTO_RANGE_ONCE(-3.0)—Auto-rangeOnceDefaultValue:IVIDMM_VAL_AUTO_RANGE_ON(-1.0)
Notes
1. SettingthisparametertoIVIDMM_VAL_AUTO_RANGE_ONCEconfigurestheDMMtoauto-rangeonce,turnauto-rangeoff,andthenremainatthecurrentmaximumrange.
2. SettingthistoparameterIVIDMM_VAL_AUTO_RANGE_OFFconfigurestheDMMtostopauto-rangingandkeeptherangefixedatthecurrentmaximumrange.
absoluteresolution(0.001)Passyourdesiredmeasurementresolutioninabsoluteunits.ThedriversetstheIviDmmResolutionpropertytothisvalue.ThevaluemustbeinunitsappropriatefortheMeasurementfunction.Settingthisparametertolowervaluesincreasesthemeasurementaccuracy.Settingthisparametertohighervaluesincreasesthemeasurementspeed.DefaultValue:0.001
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NoteThisparameterisignorediftheRangeparameterissettoIVIDMM_VAL_AUTO_RANGE_ON.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmConfigureMultiPointIviDmmMultiPointCapabilityGroup[MP]ThisVIconfiguresthepropertiesthataffectmultipointmeasurements.Thesepropertiesarethetriggercount,samplecount,sampletriggerandsampleinterval.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.triggercount(1)PassthenumberoftriggersyouwanttheDMMtoreceivebeforereturningtotheIdlestate.ThedriversetstheIviDmmTriggerCount[MP]propertytothisvalue.DefaultValue:1
samplecount(1)PassthenumberofmeasurementsyouwanttheDMMtotakeeachtimeitreceivesatrigger.ThedriversetstheIviDmmSampleCount[MP]propertytothisvalue.DefaultValue:1
sampletrigger(Immediate)Passthetypeofsampletriggeryouwanttouse.ThedriversetstheIviDmmSampleTrigger[MP]propertytothisvalue.WhentheDMMtakesameasurementandtheSampleCountparameterisgreaterthan1,theDMMdoesnottakethenextmeasurementuntiltheeventyouspecifyintheSampleTriggerparameteroccurs.ValidValues:IVIDMM_VAL_IMMEDIATE—ImmediateIVIDMM_VAL_EXTERNAL—ExternalIVIDMM_VAL_SOFTWARE_TRIG—SoftwareTriggerFunction
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IVIDMM_VAL_INTERVAL—IntervalIVIDMM_VAL_TTL0—PXITRIG0orVXITTL0IVIDMM_VAL_TTL1—PXITRIG1orVXITTL1IVIDMM_VAL_TTL2—PXITRIG2orVXITTL2IVIDMM_VAL_TTL3—PXITRIG3orVXITTL3IVIDMM_VAL_TTL4—PXITRIG4orVXITTL4IVIDMM_VAL_TTL5—PXITRIG5orVXITTL5IVIDMM_VAL_TTL6—PXITRIG6orVXITTL6IVIDMM_VAL_TTL7—PXITRIG7orVXITTL7IVIDMM_VAL_ECL0—VXIECL0IVIDMM_VAL_ECL1—VXIECL1IVIDMM_VAL_PXI_STAR—PXIStarIVIDMM_VAL_RTSI_0—RTSIline0IVIDMM_VAL_RTSI_1—RTSIline1IVIDMM_VAL_RTSI_2—RTSIline2IVIDMM_VAL_RTSI_3—RTSIline3IVIDMM_VAL_RTSI_4—RTSIline4IVIDMM_VAL_RTSI_5—RTSIline5IVIDMM_VAL_RTSI_6—RTSIline6DefaultValue:IVIDMM_VAL_IMMEDIATE
Notes
1. IVIDMM_VAL_IMMEDIATE—TheDMMtakesthenextmeasurementimmediately.TheDMMdoesnotwaitforatriggerofanykind.
2. IVIDMM_VAL_EXTERNAL—TheDMMtakesthenextmeasurementwhenatriggeroccursontheexternaltriggerinput.
3. IVIDMM_VAL_SOFTWARE_TRIG—TheDMMtakesthenextmeasurementwhenyoucalltheSendSoftwareTrigger[SWT]VI.
4. IVIDMM_VAL_INTERVAL—TheDMMtakesthenext
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measurementafterwaitingthelengthoftimeyouspecifyintheSampleIntervalparameter.
ThisparameterisignoredifthevalueoftheSampleCountparameteris1.
sampleinterval(0.0s)PassthelengthoftimeyouwanttheDMMtowaitbetweensamples.Expressthisvalueinseconds.ThedriversetstheIviDmmSampleInterval[MP]propertytothisvalue.IftheSampleCountparameterisgreaterthan1andtheSampleTriggerparameterissettoIVIDMM_VAL_INTERVAL,theDMMwaitsbetweenmeasurementsforthelengthoftimeyouspecifywiththisparameter.Otherwise,thispropertydoesnotaffectthebehavioroftheinstrument.DefaultValue:0.0seconds
Notes
1. ThisparameterisignoredifthevalueoftheSampleCountparameteris1.
2. ThisparameterisignoredifthevalueoftheSampleTriggerparameterisnotIVIDMM_VAL_INTERVAL.
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmConfigurePowerLineFrequencyIviDmmPowerLineFrequencyCapabilityGroup[PLF]ThisVIconfiguresthepowerlinefrequencyoftheDMM.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.powerlinefrequency(60.0Hz)SpecifythepowerlinefrequencyinHertz.ThedriversetstheIviDmmPowerlineFrequency[PLF]propertytothisvalue.DefaultValue:60.0Hz
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmConfigureRTDIviDmmResistanceTemperatureDeviceCapabilityGroup[RTD]ThisVIconfiguresthealphaandresistanceparametersforaresistancetemperaturedevice.ThisVIaffectsthebehavioroftheinstrumentonlywhentheIviDmmTransducerType[TMP]propertyissettoIVIDMM_VAL_2_WIRE_RTDorIVIDMM_VAL_4_WIRE_RTD.
NoteThedriverassumesthatyouareusingaPlatinumResistanceTemperatureDevice.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.alpha(0.0)Passthealphaparameterforaresistancetemperaturedevice.ThedriversetstheIviDmmRTDAlpha[RTD]propertytothisvalue.DefaultValue:0.0
resistance(0.0ohms)SpecifiestheR0parameter(resistance)foraresistancetemperaturedevice.TheRTDresistanceisalsoknownastheRTDreferencevalue.ThedriversetstheIviDmmRTDResistance[RTD]propertytothisvalue.DefaultValue:0.0ohms
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmConfigureThermistorIviDmmThermistorCapabilityGroup[THM]ThisVIconfigurestheresistanceforathermistortemperaturemeasurementdevice.ThisVIaffectsthebehavioroftheinstrumentonlywhentheIviDmmTransducerTypepropertyissettoIVIDMM_VAL_THERMISTOR.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.resistance(0.0ohms)PasstheresistanceofthethermistorinOhms.ThedriversetstheIviDmmThermistorResistance[THM]propertytothisvalue.DefaultValue:0.0ohms
NoteThedriverassumesthatyouareusinganinterchangeablethermistor.Interchangeablethermistorsarethermistorsthatexhibitsimilarbehaviorforagivenresistancevalue.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmConfigureThermocoupleIviDmmThermocoupleCapabilityGroup[TC]ThisVIconfiguresthethermocoupletypeandthereferencejunctiontypeofthethermocoupleforDMMsthattaketemperaturemeasurementsusingathermocoupletransducertype.ThisVIaffectsthebehavioroftheinstrumentonlyiftheIviDmmTransducerType[TMP]propertyissettoIVIDMM_VAL_THERMOCOUPLE.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.thermocoupletype(B)Passthetypeofthermocoupleusedtomeasurethetemperature.ThedriverusesthisvaluetosettheIviDmmThermocoupleType[TC]property.DefinedValues:IVIDMM_VAL_TEMP_TC_BIVIDMM_VAL_TEMP_TC_CIVIDMM_VAL_TEMP_TC_DIVIDMM_VAL_TEMP_TC_EIVIDMM_VAL_TEMP_TC_JIVIDMM_VAL_TEMP_TC_KIVIDMM_VAL_TEMP_TC_NIVIDMM_VAL_TEMP_TC_RIVIDMM_VAL_TEMP_TC_SIVIDMM_VAL_TEMP_TC_TIVIDMM_VAL_TEMP_TC_UIVIDMM_VAL_TEMP_TC_V
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DefaultValue:IVIDMM_VAL_TEMP_TC_B
refjunctype(Internal)Passthetypeofreferencejunctiontobeusedinthereferencejunctioncompensationofathermocouplemeasurement.ThedriverusesthisvaluetosettheIviDmmReferenceJunctionType[TC]property.DefinedValues:IVIDMM_VAL_TEMP_REF_JUNC_INTERNAL—TheDMMusesaninternalreferencejunctiontype.IVIDMM_VAL_TEMP_REF_JUNC_FIXED—TheDMMusesafixedvalueforthereferencejunction.UsetheIviDmmConfigureFixedRefJunction[TC]VItospecifythefixedreferencejunctionvalue.DefaultValue:IVIDMM_VAL_TEMP_REF_JUNC_INTERNAL
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmConfigureTransducerTypeIviDmmTemperatureMeasurementCapabilityGroup[TMP]ThisVIconfigurestheDMMtotaketemperaturemeasurementsfromaspecifiedtransducertype.ThisVIaffectsthebehavioroftheinstrumentonlywhentheIviDmmFunctionpropertyissetto.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.transducertype(Thermocouple)Passthetypeofdeviceusedtomeasurethetemperature.ThedriverusesthisvaluetosettheIviDmmTransducerType[TMP]property.DefinedValues:IVIDMM_VAL_THERMOCOUPLE—ThermocoupleIVIDMM_VAL_THERMISTOR—ThermistorIVIDMM_VAL_2_WIRE_RTD—2WireResistanceTemperatureDeviceIVIDMM_VAL_4_WIRE_RTD—4WireResistanceTemperatureDeviceDefaultValue:
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmConfigureTriggerIviDmmBaseCapabilityGroupThisVIconfiguresthecommonDMMtriggerproperties.Thesepropertiesarethetriggersourceandtriggerdelay.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.triggersource(Immediate)Specifythetriggersourceyouwanttouse.ThedriversetstheIviDmmTriggerSourcepropertytothisvalue.AfteryoucalltheReadorInitiateVI,theDMMwaitsforthetriggeryouspecifyinthisparameter.Afteritreceivesthetrigger,theDMMwaitsthelengthoftimeyouspecifyintheTriggerDelayparameter.TheDMMthentakesameasurement.ValidValues:IVIDMM_VAL_IMMEDIATE—ImmediateIVIDMM_VAL_EXTERNAL—ExternalIVIDMM_VAL_SOFTWARE_TRIG—SoftwareTriggerFunctionIVIDMM_VAL_TTL0—PXITRIG0orVXITTL0IVIDMM_VAL_TTL1—PXITRIG1orVXITTL1IVIDMM_VAL_TTL2—PXITRIG2orVXITTL2IVIDMM_VAL_TTL3—PXITRIG3orVXITTL3IVIDMM_VAL_TTL4—PXITRIG4orVXITTL4IVIDMM_VAL_TTL5—PXITRIG5orVXITTL5IVIDMM_VAL_TTL6—PXITRIG6orVXITTL6IVIDMM_VAL_TTL7—PXITRIG7orVXITTL7IVIDMM_VAL_ECL0—VXIECL0
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IVIDMM_VAL_ECL—VXIECL1IVIDMM_VAL_PXI_STAR—PXIStarIVIDMM_VAL_RTSI_0—RTSIline0IVIDMM_VAL_RTSI_1—RTSIline1IVIDMM_VAL_RTSI_2—RTSIline2IVIDMM_VAL_RTSI_3—RTSIline3IVIDMM_VAL_RTSI_4—RTSIline4IVIDMM_VAL_RTSI_5—RTSIline5IVIDMM_VAL_RTSI_6—RTSIline6DefaultValue:IVIDMM_VAL_IMMEDIATE
Notes
1. IVIDMM_VAL_IMMEDIATE—TheDMMdoesnotwaitforatriggerofanykind.
2. IVIDMM_VAL_EXTERNAL—TheDMMwaitsforatriggerontheexternaltriggerinput.
3. IVIDMM_VAL_SOFTWARE_TRIG—TheDMMwaitsuntilyoucalltheSendSoftwareTrigger[SWT]VI.
triggerdelay(0.0s)Passthevalueyouwanttouseforthetriggerdelay.Expressthisvalueinseconds.ThedriversetstheIviDmmTriggerDelaypropertytothisvalue.ThetriggerdelayspecifiesthelengthoftimetheDMMwaitsafteritreceivesthetriggerandbeforeittakesameasurement.Usepositivevaluestosetthetriggerdelayinseconds.ThedriverreservesnegativevaluesforconfiguringtheDMMtocalculatethetriggerdelayautomatically.DefaultValue:0.0seconds
Notes
1. SettingthisparametertoIVIDMM_VAL_AUTO_DELAY_ON(-1.0)configurestheDMMtocalculatethetriggerdelaybeforeeachmeasurement.
2. SettingthisparametertoIVIDMM_VAL_AUTO_DELAY_OFF
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(-2.0)stopstheDMMfromcalculatingthetriggerdelayandsetsthetriggerdelaytothelastautomaticallycalculatedvalue.
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmConfigureTriggerSlopeIviDmmTriggerSourceCapabilityGroup[TS]ThisVIconfiguresthepolarityoftheexternaltriggersourceoftheDMM.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.triggerslope(0:Positive)Passthepolarityoftheexternaltriggerslope.ThedriversetstheIviDmmTriggerSlope[TS]propertytothisvalue.TheDMMtriggersoneithertherisingorthefallingedgeoftheexternaltriggersourcedependingonthevalueofthisproperty.DefinedValues:IVIDMM_VAL_POSITIVE-Thedrivertriggersontherisingedgeoftheexternaltrigger.IVIDMM_VAL_NEGATIVE-Thedrivertriggersonthefallingedgeoftheexternaltrigger.Default:IVIDMM_VAL_POSITIVE
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmFetchIviDmmBaseCapabilityGroupThisVIreturnsthevaluefromapreviouslyinitiatedmeasurement.YoumustfirstcalltheIviDmmInitiateVItoinitiateameasurementbeforecallingthisVI.
Notes
1. AfterthisVIexecutes,theReadingparametercontainsanactualreadingoravalueindicatingthatanoverrangeconditionoccurred.
2. Ifanoverrangeconditionoccurs,theReadingparametercontainsanIEEE-definedNaN(NotaNumber)valueandtheVIreturnstheIVIDMM_WARN_OVER_RANGE(0x3FFA2001)warningcode.
3. YoucantestthemeasurementvalueforanoverrangeconditionbycallingtheIviDmmIsOver-RangeVI.
4. TheclassdriverreturnsasimulatedmeasurementwhenthisVIiscalledandtheIviDmmSimulatepropertyissettoTRUEandtheIviDmmUseSpecificSimulationpropertyissettoFALSE.Forinformationonhowtoconfigureasimulatedmeasurement,refertoNationalInstrumentsIVIDriverHelp»IVIClassDriverSimulationOverview.
5. ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheIviDmmError-QueryVIattheconclusionofthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.
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maximumtime(5000ms)Passthemaximumlengthoftimeinwhichtoallowthefetchoperationtocomplete.Expressthisvalueinmilliseconds.Iftheoperationdoesnotcompletewithinthistimeinterval,theVIreturnstheIVIDMM_ERROR_MAX_TIME_EXCEEDED(0xBFFA2003)errorcode.Whenthisoccurs,youcancallIviDmmAborttocancelthefetchoperationandreturntheinstrumenttotheIdlestate.DefinedValues:IVIDMM_VAL_MAX_TIME_INFINITE(-1)—Waitindefinitelyforatimeout.IVIDMM_VAL_MAX_TIME_IMMEDIATE(0)—Donotwaitforatimeout.DefaultValue:5000(ms)
NoteTheMaximumTimeparameteraffectsonlythisVI.Ithasnoeffectonothertimeoutparametersorproperties.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.readingReturnsthemeasuredvalue.ThevalueyouspecifyfortheMeasurementFunctionparameteroftheIviDmmConfigureMeasurementVIdeterminestheunitsofthisparameterasshowninthefollowingtable.DCVolts voltsACVolts voltsDCCurrent amperesACCurrent amperes2-WireResistance ohms4-WireResistance ohms
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ACplusDCVolts volts
ACplusDCCurrent amperesTemperature CelsiusFrequency hertzPeriod secondsNotes
1. Ifanoverrangeconditionoccurs,theReadingparametercontainsanIEEE-definedNaN(NotaNumber)valueandtheVIreturnstheIVIDMM_WARN_OVER_RANGE(0x3FFA2001)warningcode.
2. YoucantestthemeasurementvalueforanoverrangeconditionbycallingtheIviDmmIsOver-RangeVI.
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmFetchMultiPointIviDmmMultiPointCapabilityGroup[MP]ThisVIreturnsanarrayofvaluesfromapreviouslyinitiatedmultipointmeasurement.ThenumberofmeasurementstheDMMtakesisdeterminedbythevaluesyouspecifyfortheTriggerCountandSampleCountparametersoftheIviDmmConfigureMulti-Point[MP]VI.CalltheIviDmmInitiateVItoinitiateameasurementbeforecallingthisVI.
Notes
1. AfterthisVIexecutes,eachelementintheReadingArrayparameterisanactualreadingoravalueindicatingthatanoverrangeconditionoccurred.
2. Ifanoverrangeconditionoccurs,thecorrespondingReadingArrayelementcontainsanIEEE-definedNaN(NotaNumber)valueandtheVIreturnsIVIDMM_WARN_OVER_RANGE(0x3FFA2001).
3. YoucantesteachelementintheReadingArrayparameterforoverrangewiththeIviDmmIsOver-RangeVI.
4. TheclassdriverreturnsasimulatedmeasurementwhenthisVIiscalledandtheIviDmmSimulatepropertyissettoTRUEandtheIviDmmUseSpecificSimulationpropertyissettoFALSE.Forinformationonhowtoconfigureasimulatedmeasurement,refertoNationalInstrumentsIVIDriverHelp»IVIClassDriverSimulationOverview.
5. ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheIviDmmError-QueryVIattheconclusionofthesequence.
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instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.maximumtime(5000ms)Passthemaximumlengthoftimeinwhichtoallowthemultipointfetchoperationtocompleteexpressedinmilliseconds.Iftheoperationdoesnotcompletewithinthistimeinterval,theVIreturnstheIVIDMM_ERROR_MAX_TIME_EXCEEDED(0xBFFA2003)errorcode.Whenthisoccurs,youcancallIviDmmAborttocancelthemultipointfetchoperationandreturntheinstrumenttotheIdlestate.DefinedValues:IVIDMM_VAL_MAX_TIME_INFINITE(1)—Waitindefinitelyforatimeout.IVIDMM_VAL_MAX_TIME_IMMEDIATE(0)—Donotwaitforatimeout.DefaultValue:5000ms
NoteTheMaximumTimeparameteraffectsonlythisVI.Ithasnoeffectonothertimeoutparametersorproperties.arraysize(1)PassthenumberofelementsintheReadingArrayparameter.DefaultValue:1
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.readingarrayReturnsanarrayofthemostrecentmeasurementvalues.ThevalueyouspecifyfortheMeasurementFunctionparameteroftheIviDmmConfigureMeasurementVIdeterminestheunitsofthisparameter,asshowninthefollowingtable.
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DCVolts voltsACVolts voltsDCCurrent amperesACCurrent amperes2-WireResistance ohms4-WireResistance ohmsACplusDCVolts voltsACplusDCCurrent amperesTemperature CelsiusFrequency hertzPeriod secondsNotes
1. Ifanoverrangeconditionoccurs,thecorrespondingReadingArrayelementcontainsanIEEE-definedNaN(NotaNumber)valueandtheVIreturnstheIVIDMM_WARN_OVER_RANGE(0x3FFA2001)warningcode.
2. YoucantesteachelementintheReadingArrayparameterforanoverrangeconditionbycallingtheIviDmmIsOver-RangeVI.
actualnumberofpointsIndicatesthenumberofmeasuredvaluestheVIplacesintheReadingArrayparameter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmGetApertureTimeInfoIviDmmDeviceInfoCapabilityGroup[DI]ThisVIreturnsadditionalinformationaboutthestateoftheinstrument.Specifically,itreturnstheaperturetimeandtheaperturetimeunits.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.aperturetime(sec)ReturnsthevalueoftheIviDmmApertureTime[DI]property.TheunitsofthispropertydependonthevalueoftheIviDmmApertureTimeUnits[DI]property.
aperturetimeunitsReturnsthevalueoftheIviDmmApertureTimeUnits[DI]property.DefinedReturnValues:IVIDMM_VAL_SECONDS(0)—SecondsIVIDMM_VAL_POWER_LINE_CYCLES(1)—Powerlinecycles
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmGetAutoRangeValueIviDmmAutoRangeValueCapabilityGroup[ARV]ThisVIreturnstheactualrangetheDMMiscurrentlyusing,evenwhileitisauto-ranging.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.actualrangeReturnsthevalueoftheIviDmmAutoRangeValueproperty.TheunitsofthereturnedvaluedependonthevalueoftheIviDmmFunctionproperty.
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmInitiateIviDmmBaseCapabilityGroupThisVIinitiatesameasurement.AfteryoucallthisVI,theDMMleavestheIdlestateandwaitsforatrigger.Details.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
IviDmmInitiateDetailsThisVIappliesdefaultvaluestopropertiesthathavenotbeensetbyyouunderthefollowingconditions:
1. IfyouhavenotsetthevalueofanypropertyintheIviDmmMultiPointextensiongroup,theVIsetstheIviDmmSampleCount[MP]andIviDmmTriggerCount[MP]propertiesto1.
2. IfyouhavenotsetthevalueoftheIviDmmAutoZero[AZ]property,theVIsetsthevalueofthispropertyto
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IVIDMM_VAL_AUTO_ZERO_OFF(0).
Notes
1. ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheIviDmmError-QueryVIattheconclusionofthesequence.
2. ThisVIperformsinterchangeabilitycheckingwhentheIviDmmInterchangeCheckpropertyissettoTRUE.UseNISpytoviewinterchangeabilitywarnings.Alternately,youmayusetheIviDmmGetNextInterchangeWarningVItoretrieveinterchangeabilitywarnings.Formoreinformationaboutinterchangeabilitychecking,refertotheIviDmmInterchangeCheckproperty.
3. TheclassdriverinitiatesasimulatedmeasurementwhenthisVIiscalledandtheIviDmmSimulatepropertyissettoTRUEandtheIviDmmUseSpecificSimulationpropertyissettoFALSE.Forinformationonhowtoconfigureasimulatedmeasurement,refertoNationalInstrumentsIVIDriverHelp»IVIClassDriverSimulationOverview.
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IviDmmIsOver-RangeIviDmmBaseCapabilityGroupThisVItakesameasurementvaluethatyouobtainfromeithertheReadorFetchVIsanddeterminesifthevalueisavalidmeasurementvalueoravalueindicatingthatanoverrangeconditionoccurred.
NoteThisVIdoesnotchecktheinstrumentstatus.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.measurementvaluePassthemeasurementvaluethatyouobtainfromeithertheReadorFetchVI.Thedriverteststhisvaluetodetermineifthevalueisavalidmeasurementvalueoravalueindicatingthatanoverrangeconditionoccurred.DefaultValue:0.0
NoteIfanoverrangeconditionoccurs,themeasurementvaluecontainsanIEEE-definedNaN(NotaNumber)valueindicatingthatanoverrangeoccurred.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.isoverrangeReturnswhetherthemeasuredvalueisavalidmeasurementoravalueindicatingthatanoverrangeconditionoccurred.
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ReturnValues:True—Thevalueindicatesanoverrangeconditionoccurred.False—Thevalueisavalidmeasurement.
NoteIfanoverrangeconditionoccurs,themeasurementvaluecontainsanIEEE-definedNaN(NotaNumber)valueindicatingthatanoverrangeoccurred.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmReadIviDmmBaseCapabilityGroupThisVIinitiatesameasurement,waitsuntiltheDMMhasreturnedtotheIdlestate,andreturnsthemeasuredvalue.ThisVIappliesdefaultvaluestopropertiesthathavenotbeensetbyyouunderthefollowingconditions:
1. IfyouhavenotsetthevalueofanypropertyintheIviDmmMultiPointextensiongroup,theVIsetstheIviDmmSampleCount[MP]andIviDmmTriggerCount[MP]propertiesto1.
2. IfyouhavenotsetthevalueoftheIviDmmAutoZero[AZ]property,theVIsetsthevalueofthispropertytoIVIDMM_VAL_AUTO_ZERO_OFF(0).
Notes
1. AfterthisVIexecutes,theReadingparametercontainsanactualreadingoravalueindicatingthatanoverrangeconditionoccurred.
2. Ifanoverrangeconditionoccurs,theReadingparametercontainsanIEEE-definedNaN(NotaNumber)valueandtheVIreturnstheIVIDMM_WARN_OVER_RANGE(0x3ffA2001)warningcode.
3. YoucantestthemeasurementvalueforanoverrangeconditionbycallingtheIviDmmIsOver-RangeVI.
4. ThisVIperformsinterchangeabilitycheckingwhentheIviDmmInterchangeCheckpropertyissettoTRUE.UseNISpytoviewinterchangeabilitywarnings.Alternately,youmayusetheIviDmmGetNextInterchangeWarningVItoretrieveinterchangeabilitywarnings.Formoreinformationaboutinterchangeabilitychecking,refertotheIviDmmInterchange
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Checkproperty.5. Theclassdriverreturnsasimulatedmeasurementwhenthis
VIiscalledandtheIviDmmSimulatepropertyissettoTRUEandtheIviDmmUseSpecificSimulationpropertyissettoFALSE.Forinformationonhowtoconfigureasimulatedmeasurement,refertoNationalInstrumentsIVIDriverHelp»IVIClassDriverSimulationOverview.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.maximumtime(5000ms)Passthemaximumlengthoftimeinwhichtoallowthereadoperationtocomplete.Expressthisvalueinmilliseconds.Iftheoperationdoesnotcompletewithinthistimeinterval,theVIreturnstheIVIDMM_ERROR_MAX_TIME_EXCEEDED(0xBFFA2003)errorcode.Whenthisoccurs,youcancallIviDmmAborttocancelthereadoperationandreturntheinstrumenttotheIdlestate.DefinedValues:IVIDMM_VAL_MAX_TIME_INFINITE(-1)—Waitindefinitelyforatimeout.IVIDMM_VAL_MAX_TIME_IMMEDIATE(0)—Donotwaitforatimeout.DefaultValue:5000(ms)
NoteTheMaximumTimeparameteraffectsonlythisVI.Ithasnoeffectonothertimeoutparametersorproperties.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.readingReturnsthemeasuredvalue.Thevalueyouspecifyforthe
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MeasurementFunctionparameteroftheIviDmmConfigureMeasurementVIdeterminestheunitsofthisparameterasshowninthefollowingtable.DCVolts voltsACVolts voltsDCCurrent amperesACCurrent amperes2-WireResistance ohms4-WireResistance ohmsACplusDCVolts voltsACplusDCCurrent amperesTemperature CelsiusFrequency hertzPeriod secondsNotes
1. Ifanoverrangeconditionoccurs,theReadingparametercontainsanIEEE-definedNaN(NotaNumber)valueandtheVIreturnstheIVIDMM_WARN_OVER_RANGE(0x3FFA2001)warningcode.
2. YoucantestthemeasurementvalueforanoverrangeconditionbycallingtheIviDmmIsOver-RangeVI.
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmReadMultiPointIviDmmMultiPointCapabilityGroup[MP]ThisVIinitiatesthemeasurement,waitsfortheDMMtoreturntotheIdlestate,andreturnsanarrayofmeasuredvalues.ThenumberofmeasurementstheDMMtakesisdeterminedbythevaluesyouspecifyfortheTriggerCountandSampleCountparametersoftheIviDmmConfigureMultiPoint[MP]VI.ThisVIappliesdefaultvaluestopropertiesthatyouhavenotsetunderthefollowingconditions:
1. IfyouhavenotsetthevalueofanypropertyintheIviDmmMultiPointextensiongroup,theVIsetstheIviDmmSampleCount[MP]andIviDmmTriggerCount[MP]propertiesto1.
2. IfyouhavenotsetthevalueoftheIviDmmAutoZero[AZ]property,theVIsetsthevalueofthispropertytoIVIDMM_VAL_AUTO_ZERO_OFF(0).
Notes
1. AfterthisVIexecutes,eachelementintheReadingArrayparameterisanactualreadingoravalueindicatingthatanoverrangeconditionoccurred.
2. Ifanoverrangeconditionoccurs,thecorrespondingReadingArrayelementcontainsanIEEE-definedNaN(NotaNumber)valueandtheVIreturnstheIVIDMM_WARN_OVER_RANGE(0x3FFA2001)warningcode.
3. YoucantesteachelementintheReadingArrayparameterforanoverrangeconditionbycallingtheIviDmmIsOver-RangeVI.
4. ThisVIperformsinterchangeabilitycheckingwhentheIviDmm
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InterchangeCheckpropertyissettoTRUE.UseNISpytoviewinterchangeabilitywarnings.Alternately,youmayusetheIviDmmGetNextInterchangeWarningVItoretrieveinterchangeabilitywarnings.Formoreinformationaboutinterchangeabilitychecking,refertotheIviDmmInterchangeCheckproperty.
5. TheclassdriverinitiatesanarrayofsimulatedmeasurementswhenthisVIiscalledandtheIviDmmSimulatepropertyissettoTRUEandtheIviDmmUseSpecificSimulationpropertyissettoFALSE.Forinformationonhowtoconfigureasimulatedmeasurement,refertoNationalInstrumentsIVIDriverHelp»IVIClassDriverSimulationOverview.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.maximumtime(5000ms)Passthemaximumlengthoftimeinwhichtoallowthemultipointreadoperationtocomplete.Expressthisvalueinmilliseconds.Iftheoperationdoesnotcompletewithinthistimeinterval,theVIreturnstheIVIDMM_ERROR_MAX_TIME_EXCEEDED(0xBFFA2003)errorcode.Whenthisoccurs,youcancalltheIviDmmAbortVItocancelthemultipointreadoperationandreturntheinstrumenttotheIdlestate.DefinedValues:IVIDMM_VAL_MAX_TIME_INFINITE(-1)—Waitindefinitelyforatimeout.IVIDMM_VAL_MAX_TIME_IMMEDIATE(0)—Donotwaitforatimeout.DefaultValue:5000ms
NoteTheMaximumTimeparameteraffectsonlythisVI.Ithasnoeffectonothertimeoutparametersorproperties.arraysizePassthenumberofelementsintheReadingArrayparameter.DefaultValue:None
errorin(noerror)Theerrorinclustercanaccepterrorinformation
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wiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.readingarrayReturnsanarrayofthemostrecentmeasurementvalues.ThevalueyouspecifyfortheMeasurementFunctionparameteroftheIviDmmConfigureMeasurementVIdeterminestheunitsofthisparameterasshowninthefollowingtable:DCVolts voltsACVolts voltsDCCurrent amperesACCurrent amperes2-WireResistance ohms4-WireResistance ohmsACplusDCVolts voltsACplusDCCurrent amperesTemperature CelsiusFrequency hertzPeriod secondsNotes
1. Ifanoverrangeconditionoccurs,thecorrespondingReadingArrayelementcontainsanIEEE-definedNaN(NotaNumber)valueandtheVIreturnstheIVIDMM_WARN_OVER_RANGE(0x3FFA2001)warningcode.
2. YoucantesteachelementintheReadingArrayparameterforanoverrangeconditionbycallingtheIviDmmIsOver-RangeVI.
actualnumberofpointsIndicatesthenumberofmeasuredvaluestheVIplacesintheReadingArrayparameter.erroroutTheerroroutclusterpasseserrororwarninginformation
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outofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmSendSoftwareTriggerIviDmmSoftwareTriggerCapabilityGroupThisVIsendsacommandtotriggertheinstrument.YoumustsatisfycertainconditionsbeforeyoucansuccessfullycallthisVI,TheIviDmmTriggerSourceortheIviDmmSampleTriggerpropertyissettoIVIDMM_VAL_SOFTWARE_TRIG.Ifthisconditionisnottrue,thisVIdoesnotsendthesoftwaretriggerandreturnstheerrorIVIDMM_ERROR_TRIGGER_NOT_SOFTWARE.ThisVIdoesnotchecktheinstrumentstatus.Typically,theend-usercallsthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Theend-userusesthelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Tochecktheinstrumentstatus,calltheIviDmmError-QueryVIattheconclusionofthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviDmmInitializeorIviDmmInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviDmmPropertiesExpandthisbooktoviewanalphabetizedlistofIviDmmproperties.
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IviDmmACMaximumFrequency[AC]IviDmmACMeasurementPropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A Up IviDmmConfigureACBandwidth
DescriptionSpecifiesthemaximumfrequencycomponentoftheinputsignalforACmeasurements.ThevalueofthispropertyaffectsinstrumentbehavioronlywhenyousettheIviDmmFunctionpropertytoanACmeasurement.PropertyNodePathIviDmm»ACMeasurements»ACMaximum[AC]
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IviDmmACMinimumFrequency[AC]IviDmmACMeasurementPropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A Down IviDmmConfigureACBandwidth
DescriptionSpecifiestheminimumfrequencycomponentoftheinputsignalforACmeasurements.ThevalueofthispropertyaffectsinstrumentbehavioronlywhenyousettheIviDmmFunctionpropertytoanACmeasurement.PropertyNodePathIviDmm»ACMeasurements»ACMinimumFrequency[AC]
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IviDmmApertureTime[DI]IviDmmDeviceInfoProperty[DI]DataType Access Applies
to Coercion HighLevelVIs
RO N/A None IviDmmGetApertureTimeInfo
DescriptionReturnsthemeasurementaperturetimeforthecurrentconfiguration.Theunitsforthispropertyareeithersecondsorpowerlinecycles(PLCs)andaredeterminedbythevalueoftheIviDmmApertureTimeUnits[DI]property.PropertyNodePathIviDmm»ConfigurationInformation»ApertureTime[DI]
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IviDmmApertureTimeUnits[DI]IviDmmDeviceInfoProperty[DI]DataType Access Applies
to Coercion HighLevelVIs
RO N/A None IviDmmGetApertureTimeInfo
DescriptionReturnstheunitsforthepropertyIviDmmApertureTime[DI].PropertyNodePathIviDmm»ConfigurationInformation»ApertureTimeUnits[DI]DefinedValuesIVIDMM_VAL_SECONDSIVIDMM_VAL_POWER_LINE_CYCLES
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IviDmmAutoRangeValueAutoRangeValuePropertyDataType Access Applies
to Coercion HighLevelVIs
RO N/A None IviDmmGetAutoRangeValue
DescriptionAlwaysreturnstheactualrangetheDMMiscurrentlyusing,evenwhentheDMMisauto-ranging.BecausethevalueofthispropertycanchangeastheDMMauto-ranges,youshouldnevercachethisproperty.PropertyNodePathIviDmm»ConfigurationInformation»AutoRangeValue
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IviDmmAutoZero[AZ]AutoZeroPropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviDmmConfigureAutoZeroMode
DescriptionSpecifiestheauto-zeromode.Ingeneral,theauto-zerocapabilityofaDMMnormalizesallmeasurementsbasedonaZeroReading.Whenautozeroingisenabled,theDMMinternallydisconnectstheinputsignalandtakesaZeroReading.TheDMMthensubtractstheZeroReadingfromthemeasurement,whichpreventsoffsetvoltagespresentintheDMM'sinputcircuitryfromaffectingmeasurementaccuracy.PropertyNodePathIviDmm»MeasurementOperationOptions»AutoZero[AZ]DefinedValuesIVIDMM_VAL_AUTO_ZERO_OFFIVIDMM_VAL_AUTO_ZERO_ONIVIDMM_VAL_AUTO_ZERO_ONCE
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IviDmmFixedReferenceJunction[TC]ThermocoupleProperty[TC]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviDmmConfigureFixedRefJunction
DescriptionSpecifiestheexternalreferencejunctiontemperaturewhenafixedreferencejunctiontypethermocoupleisusedtotakethetemperaturemeasurement.ThetemperatureisspecifiedindegreesCelsius.ThevalueofthispropertyaffectsinstrumentbehavioronlywhentheIviDmmReferenceJunctionType[TC]propertyissettoIVIDMM_VAL_TEMP_REF_JUNC_FIXED.PropertyNodePathIviDmm»TemperatureMeasurements»Thermocouple»FixedReferenceJunction[TC]
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IviDmmFrequencyVoltageRange[FRQ]FrequencyMeasurementProperty[FRQ]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A Up IviDmmConfigureFrequencyVoltageRange
DescriptionSpecifiestheexpectedmaximumvalueoftheinputsignalforfrequencyandperiodmeasurements.ThevalueofthispropertyaffectsinstrumentbehavioronlywhentheIviDmmFunctionpropertyissettoIVIDMM_VAL_FREQorIVIDMM_VAL_PERIOD.PropertyNodePathIviDmm»FrequencyMeasurements»FrequencyVoltageRange[FRQ]
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IviDmmFunctionIviDmmBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviDmmConfigureMeasurement
DescriptionSpecifiesthemeasurementfunction.PropertyNodePathIviDmm»BasicOperation»FunctionDefinedValuesIVIDMM_VAL_DC_VOLTSIVIDMM_VAL_AC_VOLTSIVIDMM_VAL_DC_CURRENTIVIDMM_VAL_AC_CURRENTIVIDMM_VAL_2_WIRE_RESIVIDMM_VAL_FREQIVIDMM_VAL_PERIODIVIDMM_VAL_4_WIRE_RESIVIDMM_VAL_AC_PLUS_DC_VOLTSIVIDMM_VAL_AC_PLUS_DC_CURRENTIVIDMM_VAL_TEMPERATURE
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IviDmmMeasCompleteDestination[MP]MultipointPropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviDmmConfigureMeasurementCompleteDestination
DescriptionAftereachmeasurement,theDMMgeneratesameasurement-completesignal.Thispropertyspecifiesthedestinationofthemeasurement-completesignal.ThissignaliscommonlyreferredtoasVoltmeterComplete.PropertyNodePathIviDmm»MultipointAcquisition»MeasCompleteDestination[MP]DefinedValuesIVIDMM_VAL_NONEIVIDMM_VAL_EXTERNALIVIDMM_VAL_TTL0IVIDMM_VAL_TTL1IVIDMM_VAL_TTL2IVIDMM_VAL_TTL3IVIDMM_VAL_TTL4IVIDMM_VAL_TTL5IVIDMM_VAL_TTL6IVIDMM_VAL_TTL7IVIDMM_VAL_ECL0IVIDMM_VAL_ECL1IVIDMM_VAL_PXI_STARIVIDMM_VAL_RTSI_0IVIDMM_VAL_RTSI_1IVIDMM_VAL_RTSI_3
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IVIDMM_VAL_RTSI_4IVIDMM_VAL_RTSI_5IVIDMM_VAL_RTSI_6
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IviDmmPowerlineFrequency[PLF]PowerLineFrequencyProperty[PLF]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviDmmConfigurePowerLineFrequency
DescriptionSpecifiesthepowerlinefrequencyinhertz.PropertyNodePathIviDmm»MeasurementOperationOptions»PowerlineFrequency[PLF]
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IviDmmRangeIviDmmBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A IviDmmConfigureMeasurement
DescriptionSpecifiesthemeasurementrange.Usepositivevaluestorepresenttheabsolutevalueofthemaximumexpectedmeasurement.ThevalueisinunitsappropriateforthecurrentvalueoftheIviDmmFunctionproperty.Forexample,whenyousettheIviDmmFunctionpropertytoIVIDMM_VAL_DC_VOLTS,theunitsarevolts.Settingthispropertyto10.0configurestheDMMtomeasureDCvoltagesfrom–10.0to+10.0volts.
NoteNegativevaluesarereservedforcontrollingtheDMM'sauto-rangingcapability.
AfteryousetthispropertytoIVIDMM_VAL_AUTO_RANGE_OFForIVIDMM_VAL_AUTO_RANGE_ONCE,furtherqueriesofthispropertyreturntheactualrange.WhenyousetthispropertytoIVIDMM_VAL_AUTO_RANGE_ON,youcanobtaintheactualrangetheDMMiscurrentlyusingbygettingthevalueoftheIviDmmAutoRangeValue[ARV]property.PropertyNodePathIviDmm»BasicOperation»RangeDefinedValuesIVIDMM_VAL_AUTO_RANGE_ONIVIDMM_VAL_AUTO_RANGE_OFFIVIDMM_VAL_AUTO_RANGE_ONCE
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IviDmmReferenceJunctionType[TC]ThermocoupleProperty[TC]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviDmmConfigureThermocouple
DescriptionSpecifiesthetypeofreferencejunctiontobeusedinthereferencejunctioncompensationofathermocouplemeasurement.ThevalueofthispropertyaffectsinstrumentbehavioronlywhentheIVIDMM_VAL_TEMP_TRANSDUCER_TYPEpropertyissettoIVIDMM_VAL_THERMOCOUPLE.PropertyNodePathIviDmm»TemperatureMeasurements»Thermocouple»ReferenceJunctionType[TC]DefinedValuesIVIDMM_VAL_TEMP_REF_JUNC_INTERNALIVIDMM_VAL_TEMP_REF_JUNC_FIXED
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IviDmmResolutionIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A Down IviDmmConfigureMeasurement
DescriptionSpecifiesthemeasurementresolutionoftheDMMinabsoluteunits.Settingthispropertytolowervaluesincreasesthemeasurementaccuracy.Settingthispropertytohighervaluesincreasesthemeasurementspeed.PropertyNodePathIviDmm»BasicOperation»Resolution
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IviDmmRTDAlpha[RTD]ResistanceTemperatureDeviceProperty[RTD]DataType Access Appliesto Coercion HighLevelVIs
R/W N/A None IviDmmConfigureRTD
DescriptionSpecifiesthealphaparameterforaresistancetemperaturedevice.ThevalueofthispropertyaffectsinstrumentbehavioronlywhentheIVIDMM_VAL_TEMP_TRANSDUCER_TYPEpropertyissettoIVIDMM_VAL_2_WIRE_RTDorIVIDMM_VAL_4_WIRE_RTD.PropertyNodePathIviDmm»TemperatureMeasurements»ResistanceTemperatureDevice»RTDAlpha[RTD]
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IviDmmRTDResistance[RTD]ResistanceTemperatureDeviceProperty[RTD]DataType Access Appliesto Coercion HighLevelVIs
R/W N/A None IviDmmConfigureRTD
DescriptionSpecifiestheR0parameter(resistance)foraresistancetemperaturedevice(RTD).TheRTDresistanceisalsoknownastheRTDreferencevalue.ThevalueofthispropertyaffectsinstrumentbehavioronlywhentheIVIDMM_VAL_TEMP_TRANSDUCER_TYPEpropertyissettoIVIDMM_VAL_2_WIRE_RTDorIVIDMM_VAL_4_WIRE_RTD.PropertyNodePathIviDmm»TemperatureMeasurements»ResistanceTemperatureDevice»RTDResistance[RTD]
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IviDmmSampleCount[MP]MultipointProperty[MP]DataType Access Appliesto Coercion HighLevelVIs
R/W N/A None IviDmmConfigureMultipoint
DescriptionSpecifiesthenumberofmeasurementstheDMMtakeseachtimeitreceivesatrigger.PropertyNodePathIviDmm»MultipointAcquisition»SampleCount[MP]
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IviDmmSampleInterval[MP]MultipointPropertyDataType Access Appliesto Coercion HighLevelVIs
R/W N/A Up IviDmmConfigureMultipoint
DescriptionSpecifiestheintervalbetweensamplesinseconds.ThispropertyaffectsinstrumentoperationonlywhentheIviDmmSampleCount[MP]propertyisgreaterthan1andtheIviDmmSampleTrigger[MP]propertyissettoIVIDMM_VAL_INTERVAL.Inthiscase,theDMMwaitsbetweenmeasurementsforthelengththetimeyouspecifywiththisproperty.PropertyNodePathIviDmm»MultipointAcquisition»SampleInterval[MP]
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IviDmmSampleTrigger[MP]MultipointPropertyDataType Access Appliesto Coercion HighLevelVIs
R/W N/A None IviDmmConfigureMultipoint
DescriptionSpecifiesthesampletriggersource.ThispropertyaffectsinstrumentoperationonlywhentheIviDmmSampleCount[MP]propertyisgreaterthan1.WhentheDMMtakesameasurementandtheIviDmmSampleCount[MP]propertyisgreaterthan1,theDMMdoesnottakethenextmeasurementuntiltheeventyouspecifywiththispropertyoccurs.WhenyousetthispropertytoIVIDMM_VAL_IMMEDIATE,theDMMdoesnotwaitforatriggerofanykindbetweenmeasurements.WhenyousetthispropertytoIVIDMM_VAL_EXTERNAL,theDMMwaitsforatriggerontheexternaltriggerinputbeforeittakesthenextmeasurement.WhenyousetthispropertytoIVIDMM_VAL_SOFTWARE_TRIG,theDMMwaitsuntilyoucalltheIviDmmSendSoftwareTrigger[SWT]VIbeforeittakesthenextmeasurement.WhenyousetthispropertytoIVIDMM_VAL_INTERVAL,theDMMwaitsthelengthoftimeyouspecifywiththeIviDmmSampleInterval[MP]propertybeforeittakesthenextmeasurement.PropertyNodePathIviDmm»MultipointAcquisition»SampleTrigger[MP]DefinedValuesIVIDMM_VAL_IMMEDIATEIVIDMM_VAL_EXTERNALIVIDMM_VAL_SOFTWARE_TRIGIVIDMM_VAL_INTERVALIVIFGEN_VAL_TTL0IVIFGEN_VAL_TTL1IVIFGEN_VAL_TTL2IVIFGEN_VAL_TTL3
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IVIFGEN_VAL_TTL4IVIFGEN_VAL_TTL5IVIFGEN_VAL_TTL6IVIFGEN_VAL_TTL7IVIFGEN_VAL_ECL0IVIFGEN_VAL_ECL1IVIFGEN_VAL_PXI_STARIVIFGEN_VAL_RTSI_0IVIFGEN_VAL_RTSI_1IVIFGEN_VAL_RTSI_2IVIFGEN_VAL_RTSI_3IVIFGEN_VAL_RTSI_4IVIFGEN_VAL_RTSI_5IVIFGEN_VAL_RTSI_6
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IviDmmThermistorResistance[THM]ThermistorProperty[THM]DataType Access Appliesto Coercion HighLevelVIs
R/W N/A None IviDmmConfigureThermistor
DescriptionSpecifiestheresistanceofthethermistorinOhms.ThevalueofthispropertyaffectsinstrumentbehavioronlywhentheIviDmmTransducerType[TMP]propertyissettoIVIDMM_VAL_THERMISTOR.PropertyNodePathIviDmm»TemperatureMeasurements»Thermistor»ThermistorResistance[THM]
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IviDmmThermocoupleType[TC]ThermocoupleProperty[TC]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviDmmConfigureThermocouple
DescriptionSpecifiesthetypeofthermocoupleusedtomeasurethetemperature.ThevalueofthispropertyaffectsinstrumentbehavioronlywhentheIVIDMM_VAL_TEMP_TRANSDUCER_TYPEissettoIVIDMM_VAL_THERMOCOUPLE.PropertyNodePathIviDmm»TemperatureMeasurements»Thermocouple»ThermocoupleType[TC]DefinedValuesIVIDMM_VAL_TEMP_TC_BIVIDMM_VAL_TEMP_TC_CIVIDMM_VAL_TEMP_TC_DIVIDMM_VAL_TEMP_TC_EIVIDMM_VAL_TEMP_TC_GIVIDMM_VAL_TEMP_TC_JIVIDMM_VAL_TEMP_TC_KIVIDMM_VAL_TEMP_TC_NIVIDMM_VAL_TEMP_TC_RIVIDMM_VAL_TEMP_TC_SIVIDMM_VAL_TEMP_TC_TIVIDMM_VAL_TEMP_TC_UIVIDMM_VAL_TEMP_TC_V
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IviDmmTransducerType[TMP]TemperatureMeasurementProperty[TMP]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviDmmConfigureTransducerType
DescriptionSpecifiesthedeviceusedtomeasurethetemperature.ThevalueofthispropertyaffectsinstrumentbehavioronlywhentheIviDmmFunctionpropertyissettoIVIDMM_VAL_TEMPERATURE.PropertyNodePathIviDmm»TemperatureMeasurements»TransducerType[TMP]DefinedValuesIVIDMM_VAL_THERMOCOUPLEIVIDMM_VAL_THERMISTORIVIDMM_VAL_2_WIRE_RTDIVIDMM_VAL_4_WIRE_RTD
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IviDmmTriggerCount[MP]MultipointProperty[MP]DataType Access Appliesto Coercion HighLevelVIs
R/W N/A None IviDmmConfigureMultipoint
DescriptionSpecifiesthenumberoftriggerstheDMMacceptsbeforeitreturnstotheIdlestate.PropertyNodePathIviDmm»MultipointAcquisition»TriggerCount[MP]
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IviDmmTriggerDelayIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A Seenotebelow.
IviDmmConfigureTrigger
DescriptionSpecifiesthelengthoftimetheDMMwaitsafteritreceivesthetriggerandbeforeittakesameasurement.Usepositivevaluestosetthetriggerdelayinseconds.
NoteNegativevaluesarereservedforconfiguringtheDMMtocalculatethetriggerdelayautomatically.
SettingthispropertytoIVIDMM_VAL_AUTO_DELAY_ONconfigurestheDMMtocalculatethetriggerdelaybeforeeachmeasurement.SettingthispropertytoIVIDMM_VAL_AUTO_DELAY_OFFstopstheDMMfromcalculatingthetriggerdelayandsetsthetriggerdelaytothelastautomaticallycalculatedvalue.PropertyNodePathIviDmm»BasicOperation»TriggerDelayDefinedValuesIVIDMM_VAL_AUTO_DELAY_ONIVIDMM_VAL_AUTO_DELAY_OFF
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IviDmmTriggerSlope[TS]TriggerSlopeProperty[TS]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviDmmConfigureTriggerSlope
DescriptionSpecifieswhetherthetriggeroccursontherisingedge(IVIDMM_VAL_POSITIVE)oronthefallingedge(IVIDMM_VAL_NEGATIVE)oftheexternaltriggersource.PropertyNodePathIviDmm»Trigger»TriggerSlope[TS]DefinedValuesIVIDMM_VAL_POSITIVEIVIDMM_VAL_NEGATIVE
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IviDmmTriggerSourceIviScopeBasePropertyDataType Access Appliesto Coercion HighLevelVIs
R/W N/A None IviDmmConfigureTrigger
DescriptionSpecifiesthetriggersource.AfteryoucalleithertheReadorInitiateVI,theDMMwaitsforthetriggeryouspecifywiththisproperty.Afteritreceivesthetrigger,theDMMwaitsthelengthoftimeyouspecifywiththeIviDmmTriggerDelayproperty.TheDMMthentakesameasurement.PropertyNodePathIviDmm»Trigger»TriggerSourceDefinedValuesIVIDMM_VAL_IMMEDIATEIVIDMM_VAL_EXTERNALIVIDMM_VAL_SOFTWARE_TRIGIVIDMM_VAL_TTL0IVIDMM_VAL_TTL1IVIDMM_VAL_TTL2IVIDMM_VAL_TTL3IVIDMM_VAL_TTL4IVIDMM_VAL_TTL5IVIDMM_VAL_TTL6IVIDMM_VAL_TTL7IVIDMM_VAL_ECL0IVIDMM_VAL_ECL1IVIDMM_VAL_PXI_STARIVIDMM_VAL_RTSI_0IVIDMM_VAL_RTSI_1IVIDMM_VAL_RTSI_3
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IVIDMM_VAL_RTSI_4IVIDMM_VAL_RTSI_5IVIDMM_VAL_RTSI_6
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IviDmmDefinedValuesExpandthisbooktoviewanalphabetizedlistofIviDmmdefinedvalues.
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IVIDMM_VAL_2_WIRE_RESSetstheDMMtomeasure2-wireresistance.Definedvalue:5
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IVIDMM_VAL_2_WIRE_RTDSetstheDMMtomeasuretemperatureusinga2-wiretemperatureresistancedevice.UsetheIviDmmResistanceTemperatureDeviceextensiongrouptoconfigureadditionalsettingsforthistransducertype.DefinedValue:3
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IVIDMM_VAL_4_WIRE_RESSetstheDMMtomeasure4-wireresistance.DefinedValue:101
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IVIDMM_VAL_4_WIRE_RTDSetstheDMMtomeasuretemperatureusinga4-wiretemperatureresistancedevice.UsetheIviDmmResistanceTemperatureDeviceextensiongrouptoconfigureadditionalsettingsforthistransducertype.DefinedValue:4
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IVIDMM_VAL_AC_CURRENTSetstheDMMtomeasureACcurrent.Definedvalue:4
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IVIDMM_VAL_AC_PLUS_DC_CURRENTSetstheDMMtomeasureACplusDCcurrent.DefinedValue:107
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IVIDMM_VAL_AC_PLUS_DC_VOLTSSetstheDMMtomeasureACplusDCvoltage.DefinedValue:106
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IVIDMM_VAL_AC_VOLTSSetstheDMMtomeasureACvoltage.DefinedValue:2
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IVIDMM_VAL_AUTO_DELAY_OFFStopstheDMMfromcalculatingthetriggerdelay.SetsthetriggerdelaytothelasttriggerdelaytheDMMcalculated.DefinedValue:-2.0
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IVIDMM_VAL_AUTO_DELAY_ONConfigurestheDMMtocalculatethetriggerdelaybeforeeachmeasurement.DefinedValue:-1.0
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IVIDMM_VAL_AUTO_RANGE_OFFDisablesauto-ranging.TheDMMsetstherangetothevalueitmostrecentlycalculated.Definedvalue:-2.0
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IVIDMM_VAL_AUTO_RANGE_ONConfigurestheDMMtocalculatetherangebeforeeachmeasurementautomatically.Definedvalue:-1.0
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IVIDMM_VAL_AUTO_RANGE_ONCEConfigurestheDMMtocalculatetherangebeforethenextmeasurement.TheDMMusesthisrangevalueforallsubsequentmeasurements.Definedvalue:-3.0
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IVIDMM_VAL_AUTO_ZERO_OFFDisablestheauto-zerofeature.DefinedValue:0
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IVIDMM_VAL_AUTO_ZERO_ONConfigurestheDMMtotakeaZeroReadingforeachmeasurement.TheDMMsubtractstheZeroReadingfromthevalueitmeasures.DefinedValue:1
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IVIDMM_VAL_AUTO_ZERO_ONCEConfigurestheDMMtotakeaZeroReadingimmediately.TheDMMthensubtractsthisZeroReadingfromallsubsequentvaluesitmeasures.DefinedValue:2
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IVIDMM_VAL_DC_CURRENTSetstheDMMtomeasureDCcurrent.Definedvalue:3
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IVIDMM_VAL_DC_VOLTSSetstheDMMtomeasureDCvoltage.Definedvalue:1
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IVIDMM_VAL_ECL0TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronECL0.DefinedValue:119
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IVIDMM_VAL_ECL1TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronECL1.DefinedValue:120
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IVIDMM_VAL_EXTERNALRoutesthemeasurementcompletesignaltotheexternalconnector.DefinedValue:2
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IVIDMM_VAL_EXTERNAL(forMEAS_COMPLETE_DEST)Routesthemeasurement-completesignaltotheexternalconnector.DefinedValue:2
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IVIDMM_VAL_EXTERNAL(forSAMPLE_TRIGGER)TheDMMexitstheWait-For-Sample-Triggerstatewhenatriggeroccursontheexternaltriggerinput.DefinedValue:2
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IVIDMM_VAL_EXTERNAL(forTRIGGER_SOURCE)TheDMMexitstheWait-For-Triggerstatewhenatriggeroccursontheexternaltriggerinput.DefinedValue:2
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IVIDMM_VAL_EXTERNALforIviDmmMeasCompleteDestinationRoutesthemeasurement-completesignaltotheexternalconnector.DefinedValue:2
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IVIDMM_VAL_EXTERNALforIviDmmTriggerSourceTheDMMexitstheWait-For-Triggerstatewhenatriggeroccursontheexternaltriggerinput.DefinedValue:2
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IVIDMM_VAL_FREQSetstheDMMtomeasurefrequency.DefinedValue:104
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IVIDMM_VAL_IMMEDIATETheDMMexitstheWait-For-TriggerstateortheWait-For-Sample-Triggerstateimmediatelyafterentering.Itdoesnotwaitforatriggerofanykind.DefinedValue:1
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IVIDMM_VAL_INTERVALTheDMMexitstheWait-For-Sample-TriggerstatewhenthelengthoftimespecifiedbytheIVIDMM_ATTR_SAMPLE_INTERVALpropertyelapses.DefinedValue:10
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IVIDMM_VAL_NEGATIVESetsthetriggereventtooccuronthefallingedgeofthetriggerpulse.DefinedValue:1
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IVIDMM_VAL_NONEThemeasurementcompletesignalisnotrouted.DefinedValue:-1
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IVIDMM_VAL_PERIODSetstheDMMtomeasureperiod.DefinedValue:105
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IVIDMM_VAL_POSITIVESetsthetriggereventtooccurontherisingedgeofthetriggerpulse.DefinedValue:0
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IVIDMM_VAL_POWER_LINE_CYCLESReportsthattheunitsforthevaluereturnedbyIVIDMM_ATTR_APERTURE_TIMEarePowerLineCycles.DefinedValue:1
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IVIDMM_VAL_PXI_STARTheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronthePXIStartriggerbus.DefinedValue:131
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IVIDMM_VAL_RTSI_0RoutesthemeasurementcompletesignaltoRTSI0.DefinedValue:140
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IVIDMM_VAL_RTSI_1RoutesthemeasurementcompletesignaltoRTSI1.DefinedValue:141
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IVIDMM_VAL_RTSI_2RoutesthemeasurementcompletesignaltoRTSI2.DefinedValue:142
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IVIDMM_VAL_RTSI_3RoutesthemeasurementcompletesignaltoRTSI3.DefinedValue:143
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IVIDMM_VAL_RTSI_4RoutesthemeasurementcompletesignaltoRTSI4.DefinedValue:144
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IVIDMM_VAL_RTSI_5RoutesthemeasurementcompletesignaltoRTSI5.DefinedValue:145
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IVIDMM_VAL_RTSI_6RoutesthemeasurementcompletesignaltoRTSI6.DefinedValue:146
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IVIDMM_VAL_SECONDSReportsthattheunitsforthevaluereturnedbyIVIDMM_ATTR_APERTURE_TIMEareseconds.DefinedValue:0
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IVIDMM_VAL_SOFTWARE_TRIGTheDMMexitstheWait-For-TriggerstateortheWait-For-Sample-TriggerstatewhentheIviDmm_SendSoftwareTriggerfunctionexecutes.IfyousettheIVIDMM_ATTR_TRIGGER_SOURCEpropertytothisvalue,theinstrumentcanonlybetriggeredbycallingtheIviDmm_SendSoftwareTriggerfunction.IfyousettheIVIDMM_ATTR_SAMPLE_TRIGGERpropertytothisvalue,theinstrumentcanonlybetriggeredoneachsamplebycallingtheIviDmm_SendSoftwareTriggerfunction.DefinedValue:3
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IVIDMM_VAL_TEMPERATURESetstheDMMtomeasuretemperatureinCelsius.DefinedValue:108
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IVIDMM_VAL_TEMP_FSetstheDMMtomeasuretemperatureinFahrenheit.DefinedValue:109
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IVIDMM_VAL_TEMP_REF_JUNC_FIXEDSetstheDMMtouseafixedvalueforthethermocouplejunctioncompensation.UsetheIVIDMM_ATTR_TEMP_TC_FIXED_REF_JUNCpropertytosetthefixedreferencejunctionvalue.DefinedValue:2
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IVIDMM_VAL_TEMP_REF_JUNC_INTERNALSetstheDMMtouseaninternalsensoratthethermocouplejunctionforthejunctioncompensation.DefinedValue:1
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IVIDMM_VAL_TEMP_TC_BSetstheDMMtomeasuretemperaturefromaB-typethermocouple.DefinedValue:1
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IVIDMM_VAL_TEMP_TC_CSetstheDM7MtomeasuretemperaturefromaC-typethermocouple.DefinedValue:2
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IVIDMM_VAL_TEMP_TC_DSetstheDMMtomeasuretemperaturefromaD-typethermocouple.DefinedValue:3
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IVIDMM_VAL_TEMP_TC_ESetstheDMMtomeasuretemperaturefromanE-typethermocouple.DefinedValue:4
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IVIDMM_VAL_TEMP_TC_GSetstheDMMtomeasuretemperaturefromaG-typethermocouple.DefinedValue:5
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IVIDMM_VAL_TEMP_TC_JSetstheDMMtomeasuretemperaturefromaJ-typethermocouple.DefinedValue:6
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IVIDMM_VAL_TEMP_TC_KSetstheDMMtomeasuretemperaturefromaK-typethermocouple.DefinedValue:7
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IVIDMM_VAL_TEMP_TC_NSetstheDMMtomeasuretemperaturefromanN-typethermocouple.DefinedValue:8
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IVIDMM_VAL_TEMP_TC_RSetstheDMMtomeasuretemperaturefromanR-typethermocouple.DefinedValue:9
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IVIDMM_VAL_TEMP_TC_SSetstheDMMtomeasuretemperaturefromanS-typethermocouple.DefinedValue:10
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IVIDMM_VAL_TEMP_TC_TSetstheDMMtomeasuretemperaturefromaT-typethermocouple.DefinedValue:11
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IVIDMM_VAL_TEMP_TC_USetstheDMMtomeasuretemperaturefromaU-typethermocouple.DefinedValue:12
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IVIDMM_VAL_TEMP_TC_VSetstheDMMtomeasuretemperaturefromaV-typethermocouple.DefinedValue:13
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IVIDMM_VAL_THERMISTORSetstheDMMtomeasuretemperatureusingathermistor.UsetheIviDmmThermistorextensiongrouptoconfigureadditionalsettingsforthistransducertype.DefinedValue:2
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IVIDMM_VAL_THERMOCOUPLESetstheDMMtomeasuretemperatureusingathermocouple.UsetheIviDmmThermocoupleextensiongrouptoconfigureadditionalsettingsforthistransducertype.DefinedValue:1
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IVIDMM_VAL_TTL0TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL0.DefinedValue:112
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IVIDMM_VAL_TTL1TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL1.DefinedValue:111
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IVIDMM_VAL_TTL2TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL2.DefinedValue:113
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IVIDMM_VAL_TTL3TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL3.DefinedValue:114
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IVIDMM_VAL_TTL4TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL4.DefinedValue:115
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IVIDMM_VAL_TTL5TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL5.DefinedValue:116
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IVIDMM_VAL_TTL6TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL6.DefinedValue:117
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IVIDMM_VAL_TTL7TheDMMexitstheWait-For-TriggerortheWait-For-Sample-TriggerstatewhenitreceivesatriggeronTTL7.DefinedValue:118
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PropertiesforControllingIviDmmSimulationNoteYoucansetSimulationAttributesinMAXontheInitialSettingstabofIVIDrivers»Advanced»SimulationDriverSessions»nisIviClassorinthesimulationinteractivepanels.RefertoNationalInstrumentsIVIDriverHelp»ConfiguringYourSystemformoreinformation.
TwosetsofpropertiesexistforusewiththeIviDmmSimulationdriver.Thefollowingtabledescribespropertiesthatcontrolbehaviorofthedriver.AnothertablelistspropertiesthatsimulatethestatusofspecificdriverVIs.AnIviDmmSimulatorSetupDialogBoxexiststohelpyouconfigurethemeasurementsimulationfortheIviDmmSimulatordriver.
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PropertiesforControllingIviDmmSimulationName Data
TypeAccess Applies
toDescription
INTERACTIVE_SIMULATION Boolean W No Specifieswhethertosetthedrivertointeractivemode.Ininteractivemode,thesimulationdriverusespop-upuserinterfacepanelsforgettinginformationfromyou.Non-interactivemodeisusefulwhenyoudonotwanttheinteractivepanelstointerruptyourtestprogram.
SELF_TEST_CODE Integer W No Specifiestheself-testcode.WhentheIviDmmSelf-Testresultparameterreturnsthisvalue.
SELF_TEST_MSG String W No Specifiestheself-testmessage.WhentheIviDmmSelf-TestVIiscalled,themessageparameterreturnsthisstring.
ERROR_QUERY_CODE Integer W No Specifiestheerror-querycode.WhentheIviDmmError-Querycodeparameterreturnsthisvalue.
ERROR_QUERY_MSG String W No Specifiestheerror-querymessage.WhentheIviDmmError-QueryVIiscalled,theerrormessagestring.
DRIVER_REV_QUERY String W No Specifiestheinstrumentdriverrevisionmessage.WhentheVIiscalled,theparameterreturnsthisstring.
INSTR_REV_QUERY String W No Specifiesthefirmwarerevisionmessage.WhentheIviDmmRevisionQueryVIiscalled,thefirmwarerevisionreturnsthisstring.
READING_BASE Double W No Specifiesthebasevalueofallcomputergeneratedmeasurements.Simulatedmeasurementsfallbetweentherangeofthisvalueplusthevalueofthe
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NISDMM_ATTR_READING_NOISEandthisvalueminusthevalueoftheNISDMM_ATTR_READING_NOISE
NoteThispropertyisignorediftheNISDMM_ATTR_FORCE_OVERRANGEpropertyissettoTRUE.
READING_NOISE Double W No Specifiesthereadingnoiseofallcomputergeneratedmeasurements.SimulatedmeasurementsfallbetweentherangeofthevalueoftheNISDMM_ATTR_READING_BASEplusthisvalueandthevalueoftheNISDMM_ATTR_READING_BASEminusthethisvalue.
NoteThispropertyisignorediftheNISDMM_ATTR_FORCE_OVERRANGEpropertyissettoTRUE.
FORCE_OVERRANGE Boolean W No Specifieswhethertoreturnandoverrangevalueforallcomputergeneratedmeasurements.Whenenabled,allmeasurementVIssimulateameasurementover-loadconditionbyreturningavalueofIVI_VAL_NANasthemeasurementandanoverrangewarningasthestatuscode.
SIMULATE_STATUS_CODE Boolean W No SpecifieswhethertosimulatereturncodesfromtheIviDmmdriverVIs.RefertotheIviDmmPropertiesforStatusSimulationtable.
RelatedTopicsSettingUpSimulatedErrorsSettingUpSimulationforVXIplug&playVIs
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IviDmmSimulatorSetupDialogBoxTwosetsofpropertiesexistforusewiththeIviDmmSimulationDriver.YouusethedialogboxshownbelowtoconfigurethemeasurementsimulationfortheIviDmmSimulatordriver.Scrolldowntoseeadescriptionofeachcontrol.
AlwayspromptforoutputdatasimulationLeavingthiscontrolselectedcausesthepaneltoappearateverymeasurementacquisitioneventinyourprogram.Allsimulatedacquisitionsintheprogramusethesamemeasurementconfigurationinformation.Unselectingthiscontrolcausesthemeasurementsimulationpaneltoneverappearagainduringthecourseofyourprogram.ForceOver-RangeSelectthiscontrolifyouwanttoforceanoverrangeconditiontooccurduringmeasurementevents.Whenenabled,allmeasurementssimulateameasurementover-loadconditionbyreturningNotaNumber(Nan)valueasthemeasurementandanoverrangewarningasthereturnstatus.MeasurementBaseEnterthemeasurementbasetouseforallcomputergeneratedmeasurements.AllcomputergeneratedmeasurementvaluesfallwithintherangeofthisvalueplusorminusthevalueoftheMeasurementNoisecontrol.ValidRange:anyvalueMeasurementNoiseEnterthereadingnoisetouseforallcomputergeneratedmeasurements.AllcomputergeneratedmeasurementvaluesfallwithintherangeofthevalueoftheMeasurementBasecontrolplusorminusthisvalue.ValidRange:anypositivevalue
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PropertiesforStatusSimulationinIviDmmWhenanIviDmmdriverVIiscalled,thedriverquerieswhetherNISDMM_ATTR_SIMULATE_STATUS_CODEisenabled.Ifenabled,thedrivergetstheappropriateVI'ssimulationstatuscode.Ifthevalueofthesimulationstatuscoderepresentsawarning(hasapositivevalue),thenitisreturnedastheVI'sreturnstatusonlyifnoothererrororwarningoccurredbeforetheVIends.Ifthevalueofthesimulationstatuscoderepresentsanerror(hasanegativevalue),thenitisreturnedastheVI'sreturnstatusonlyifnoothererroroccurredbeforetheVIends.ThefollowingIviDmmVIsdonotsupportstatuscodesimulation:
IviDmmGetErrorIviDmmClearErrorIviDmmGetNextInterchangeWarningIviDmmResetNextInterchangeWarningIviDmmClearNextInterchangeWarningIviDmmGetNextCoercionRecord
EachVIsupportedbytheIviDmmclassdriverhasacorrespondingpropertythatdeterminesthestatuscodetoreturnwhenstatuscodesimulationisenabled.ThefollowingtableliststhestatuscodepropertiesandtheVIforwhichtheyreturnavalue.ThesepropertiesarealloftypeViInt32,non-readable,andnon-channelbased.
NoteInthefollowingtable,theliteralstringNISDMM_ATTR_precedesallpropertynames.
IviDmmPropertiesforStatusSimulationProperty VIINIT_STATUS IviDmm
Initialize,IviDmmInitializeWithOptions
CLOSE_STATUS IviDmmCloseRESET_STATUS IviDmmResetSELF_TEST_STATUS IviDmmSelf-TestERROR_QUERY_STATUS IviDmmError-
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QueryERROR_MESSAGE_STATUS IviDmmError
MessageREVISION_QUERY_STATUS IviDmmRevision
QueryRESET_DEFAULT_STATUS IviDmmReset
WithDefaultsDISABLE_STATUS IviDmmDisableINVALIDATE_STATUS IviDmm
InvalidateAllAttributes
CONFIGURE_MEASUREMENT_STATUS IviDmmConfigureMeasurement
CONFIGURE_TRIGGER_STATUS IviDmmConfigureTrigger
READ_STATUS IviDmmReadFETCH_STATUS IviDmmFetchABORT_STATUS IviDmmAbortINITIATE_STATUS IviDmmInitiateIS_OVER_RANGE_STATUS IviDmmIsOver-
RangeCONFIGURE_AC_BANDWIDTH_STATUS IviDmm
ConfigureACBandwidth
CONFIGURE_FREQUENCY_VOLTAGE_RANGE_STATUS IviDmmConfigureFrequencyVoltageRange
CONFIGURE_TRANSDUCER_TYPE_STATUS IviDmmConfigureTransducerType
CONFIGURE_FIXED_REF_JUNCTION_STATUS IviDmm
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ConfigureFixedRefJunction
CONFIGURE_THERMOCOUPLE_STATUS IviDmmConfigureThermocouple
CONFIGURE_RTD_STATUS IviDmmConfigureRTD
CONFIGURE_THERMISTOR_STATUS IviDmmConfigureThermistor
CONFIGURE_MEAS_COMPLETE_DEST_STATUS IviDmmConfigureMeasCompleteDest
CONFIGURE_MULTI_POINT_STATUS IviDmmConfigureMultiPoint
READ_MULTI_POINT_STATUS IviDmmReadMultiPoint
FETCH_MULTI_POINT_STATUS IviDmmFetchMultiPoint
CONFIGURE_TRIGGER_SLOPE_STATUS IviDmmConfigureTriggerSlope
SEND_SOFTWARE_TRIGGER_STATUS IviDmmSendSoftwareTrigger
GET_APERTURE_TIME_INFO_STATUS IviDmmGetApertureTimeInfo
GET_AUTO_RANGE_VALUE_STATUS IviDmmGetAutoRangeValue
CONFIGURE_AUTO_ZERO_MODE_STATUS IviDmmConfigureAutoZeroMode
CONFIGURE_POWER_LINE_FREQUENCY_STATUS IviDmm
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ConfigurePowerLineFrequency
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IviFgenClassDriverReferenceforLabVIEWConceptsIviFgenClassDriverOverviewIviFgenExtensionCapabilityGroupsIviFgenBehaviorModels
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IviFgenVIandPropertyReferenceIviFgenVITreeIviFgenPropertiesbyGroupIviFgenPropertyValueDefinitionsIviFgenErrorandCompletionCodesOtherReferenceInterchangeabilityCheckingSimulation
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IviFgenClassDriverOverviewThisinstrumentdriverprovidesprogrammingsupportfortheIviFgenClass.TheIviFgenclassdriverconceptualizesafunctiongeneratorasaninstrumentcapableofgeneratingananalogvoltagewaveform,andcanbeappliedtoawiderangeofinstruments.Theoutputsignalistypicallyfunctionalinnature(forexamplesinusoidalorsquare).Someinstrumentssupportthegenerationofarbitrarywaveforms,whichconsistofuser-specifieddata.Ifthefunctiongeneratoralsosupportsthegenerationofarbitrarywaveformsequences,theoutputsignalcanconsistofasequenceofrepeatedarbitrarywaveforms.TheIviFgenclassdriverisdividedintobasecapabilitiesandextensions.Thebasecapabilitiesconfigureafunctiongeneratorforbasicsignaloutput.Withtheextensions,youcanconfigureafunctiongeneratortogenerateaspecifictypeofwaveform.AninstrumentdrivermustsupporteithertheIviFgenStdFuncorIviFgenArbWfmextension.ThedrivercontainsalltheVIsthattheIVIFoundationrequiresfortheIviFgenspecification.ThisdriverrequiresNI-VISAandtheIVICompliancePackagetobeinstalled.Usethisdrivertodevelopprogramsthatareindependentofaparticularfunctiongenerator.YoucanusethisclassdriverwithanyfunctiongeneratorthathasanIVIinstrumentspecificdriverthatiscompliantwiththeIviFgenclass.TheIviFgenclassdriveraccessesthespecificdriverforyourinstrumentusingtheconfigurationinformationyousupplywithMAX.TheIviFgenclassdriverdividesinstrumentcapabilitiesintoaIviFgenBasecapabilitygroupandmultipleextensioncapabilitygroups.TheIviFgenBasegroupsupportsfunctiongeneratorscapableofconfiguringoutputimpedancesandthereferenceclocksource,andenablinganddisablingthefunctiongenerator'soutputs.Thebasecapabilitiesalonedonotsupportgeneratinganoutputsignal.Instead,afunctiongeneratormustsupportatleastoneofthesignaloutputextensions:IviFgenStdFunc,IviFgenArbWfm,orIviFgenArbSeq.ThebasegroupconsistsofthefollowingVIsandproperties.TheseVIsandpropertiesareimplementedbyallfunctiongeneratorinstrumentdriversthatarecompliantwiththeIviFgenclass.
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IviFgenExtensionCapabilityGroupsTheIviFgenclassdriveridentifiesVIsandpropertiesthatbelongtoanextensiongroupwiththefollowingabbreviations.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandpropertiesthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverthatyouusemustimplementthoseextensions.
GroupName Abbreviation DescriptionIviFgenStdFunc [STD] Forinstrumentscapableof
generatingstandardperiodicwaveforms.
IviFgenArbWfm [ARB] Forinstrumentscapableofgeneratinguser-definedarbitrarywaveforms.
IviFgenArbFrequency [AF] Forinstrumentscapableofspecifyingtherateatwhichthefunctiongeneratorproducesanentirecycleofanarbitrarywaveform.
IviFgenArbSeq [SEQ] Forinstrumentscapableofgeneratingauser-definedsequenceofarbitrarywaveforms.
IviFgenTrigger [TRG] Forinstrumentscapableofproducingasignaluponreceiptofatrigger.
IviFgenInternalTrigger [IT] Forinstrumentscapableofproducingasignaluponreceiptofatriggerfromaninternaltriggersource.
IviFgenSoftwareTrigger [SWT] Forinstrumentscapableofproducingasignaluponreceiptofasoftwaretrigger.
IviFgenBurst [BST] Forinstrumentscapableofgeneratingafixednumberofwaveformcyclessignalupon
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receiptofatrigger.IviFgenModulateAM [AM] Forinstrumentscapableof
applyingamplitudemodulationtoanoutputsignal.
IviFgenModulateFM [FM] Forinstrumentscapableofapplyingfrequencymodulationtoanoutputsignal.
RelatedTopicsIVIInherentClassCapabilitiesStandardFunctionWaveformDescriptionOverviewArbitraryWaveformOverviewArbitrarySequenceOverviewAmplitudeModulationOverviewFrequencyModulationOverviewOutputStageOverview
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StandardFunctionWaveformDescriptionOverviewInstrumentvendorstypicallyhavedifferentdefinitionsforwaveformproperties.Inordertoachieveaconsistentwaveformdescriptionbetweendifferentinstrumentvendors,thisclassdriverprovideswaveformpropertydefinitionsthatmustbefollowedwhendevelopinginstrumentdrivers.Thedefinitionsforthesewaveformpropertiesareasfollows:WaveformType—Theoverall"shape"ofoneperiodofthestandardwaveform.Thisspecificationdefinessixwaveformtypes:Sine,Square,Triangle,RampUp,RampDown,andDC.Amplitude—Thedifferencebetweenthemaximumandminimumwaveformvalues,orthepeak-to-peakvoltagevalue.DCOffset—Thedifferencebetweentheaverageofthemaximumandminimumwaveformvaluesandthex-axis(0volts).ApositiveDCoffsetplacesthemiddleofthewaveformabovethex-axis,whileanegativeDCoffsetplacesthemiddleofthewaveformbelowthex-axis.Frequency—Thenumberofwaveformcyclesgeneratedinonesecond.StartPhase—Specifiesthewaveform'shorizontaloffset.Theunitsaredegreesofonewaveformcycle.Forexample,a180degreephaseoffsetmeansoutputgenerationbeginshalfwaythroughthewaveform.Astartphaseof360degreesoffsetstheoutputbyanentirewaveformcycle.Itisthereforeidenticaltoastartphaseof0degrees.Thefollowingillustrationdiagramstheseproperties.
IllustrationofBasicWaveformPropertiesDutyCycle—Asquarewaveformrequiresanadditionalparametertoconfigurethedutycycleofthewaveform.Dutycycleisdefinedasthepercentageoftimeduringonecycleforwhichthesquarewaveisatitshighvalue.
SquareWaveformwith75percentDutyCycle
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ArbitraryWaveformOverviewTheIviFgenArbWfmExtensionGroupsupportsfunctiongeneratorscapableofproducinguser-definedarbitrarywaveforms.Youcanmodifyparametersofthearbitrarywaveformsuchassamplerate,waveformgain,andwaveformoffset.TheIviFgenArbWfmextensiongroupincludesVIsforcreating,configuring,andgeneratingarbitrarywaveforms,andforreturninginformationaboutarbitrarywaveformcreation.ThisextensionaffectsinstrumentbehaviorwhentheIviFgenOutputModepropertyissettoIVIFGEN_VAL_OUTPUT_ARBorIVIFGEN_VAL_OUTPUT_SEQ.Beforeafunctiongeneratorcanproduceanarbitrarywaveform,youmustconfiguresomesignalgenerationproperties.Thisspecificationprovidesdefinitionsforarbitrarywaveformpropertiesthatmustbefollowedwhendevelopinginstrumentdrivers.Thedefinitionofanarbitrarywaveformanditspropertiesaregiveninthefollowinglist:
ArbitraryWaveform—Auser-definedseriesofsequentialdatapoints,between-1.0and1.0inclusive,thatdescribeanoutputwaveform.Gain—Thefactorbywhichthefunctiongeneratorscalesthearbitrarywaveformdata.Forexample,againvalueof2.0causesthewaveformdatatorangefrom-2.0Vto+2.0V.Offset—Thevaluethefunctiongeneratoraddstothescaledarbitrarywaveformdata.Forexample,scaledarbitrarywaveformdatathatrangesfrom-1.0Vto+1.0Visgeneratedfrom0.0Vto2.0Vwhentheenduserspecifiesawaveformoffsetof1.0V.NoteTheoffsetisaddedtoanyinherentoffsetinthearbitrarywaveformdata.
Thefollowingfiguresillustratethedefinitionsforarbitrarywaveformproperties.
ExamplesofNormalized,Scaled,andOffsetData
Size,SampleRate,andTimeElementsofaWaveformThesamplerateisthereciprocaloftheamountoftimeforwhichpointsin
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thearbitrarywaveformisgenerated.Thefrequencyatwhichthefunctiongeneratorproducesonecycleofanarbitrarywaveformcanbeexpressedbytheequation:
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ArbitrarySequenceOverviewInadditiontoallowingyoutospecifyanarbitrarywaveform,somefunctiongeneratorsallowyoutospecifyasequenceofarbitrarywaveformsforthefunctiongeneratortoproduce.Thisclassdriverdefinesanarbitrarysequenceasalistofarbitrarywaveformstoproduce.Eachwaveforminthesequenceisrepeatedadiscretenumberoftimesbeforeproducingthenextwaveform.Whengeneratinganarbitrarysequence,thewaveformpropertiesofGain,Offset,andSampleRate,definedintheArbitraryWaveformOverviewapplytoallwaveformsinthesequence.Thefollowingfigureillustratesthedefinitionofanarbitrarysequence.
WaveformSequencing
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AmplitudeModulationOverviewAmplitudemodulationisaccomplishedbyvaryingtheamplitudeofacarrierwaveformaccordingtotheamplitudeofamodulatingwaveform.Thegeneralequationforapplyingamplitudemodulationtoawaveformis:AM(t)=[M(t)+1]×C(t),whereC(t)isthecarrierwaveform,M(t)isthemodulatingwaveform,andAM(t)isthemodulatedsignal.Thisclassdriverprovidesmodulatingwaveformpropertydefinitionsthatmustbefollowedwhendevelopingspecificinstrumentdrivers.Thecarrierwaveformisdefinedasthewaveformthatthefunctiongeneratorproduceswithoutanymodulation.Themodulatingwaveformisdefinedbythefollowingproperties:WaveformType—Theoverall"shape"ofoneperiodofthemodulatingwaveform.Thisclassdriverdefinesfivemodulatingwaveformtypes:Sine,Square,Triangle,RampUp,andRampDown.Frequency—Thenumberofmodulatingwaveformcyclesgeneratedinonesecond.ModulationDepth—Theextenttowhichthemodulatingwaveformaffectstheamplitudeofthecarrierwaveform.Thisvalueisexpressedasapercentageoftotalmodulation.Atthemaximumpeakofthemodulatingwaveform,theamplitudeoftheoutputsignalisequalto(100.0+ModulationDepth)percentofthecarriersignalamplitude.Attheminimumpeakofthemodulatingwaveform,theamplitudeoftheoutputsignalisequalto(100.0–ModulationDepth)percentofthecarriersignalamplitude.Atamodulationdepthof0percent,themodulatingwaveformhasnoeffectonthecarrierwaveform.Atamodulationdepthof100percent,theamplitudeoftheoutputsignalvariesbetween0.0Vandtwicetheamplitudeofthecarriersignal.Thefollowingdiagramillustratestheeffectofamplitudemodulationonacarriersignal,andtheeffectontheoutputsignalofvaryingthemodulationdepth.
OnekHzCarrierSineWaveanda100percentAmplitudeModulated
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Wave
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FrequencyModulationOverviewFrequencymodulationisaccomplishedbyvaryingthefrequencyofacarrierwaveformaccordingtotheamplitudeofamodulatingwaveform.Thegeneralequationforafrequencymodulatedwaveformis:FM(t)=C[t+(M(t))],whereC(t)isthecarrierwaveform,M(t)isthemodulatingwaveform,andFM(t)isthefrequencymodulatedsignal.Thisclassdriverprovidesmodulatingwaveformpropertydefinitionsthatmustbefollowedwhendevelopingspecificinstrumentdrivers.Thecarrierwaveformisdefinedasthewaveformthefunctiongeneratorproduceswithoutanymodulation.Themodulatingwaveformisdefinedbythefollowingproperties:
WaveformType—Theoverall"shape"ofoneperiodofthemodulatingwaveform.Thisclassdriverdefinesfivemodulationwaveformtypes:Sine,Square,Triangle,RampUp,andRampDown.
Frequency—Thenumberofmodulatingwaveformcyclesgeneratedinonesecond.
PeakFrequencyDeviation—Thevariationoffrequencythemodulatingwaveformappliestothecarrierwaveform.Thisvalueisexpressedinhertz.At0hertzdeviation,themodulatingwaveformhasnoeffectonthecarrierwaveform.Asfrequencydeviationincreases,thefrequencyvariationinthemodulatedwaveformincreases.Atthemaximumpeakofthemodulatingsignal,thefrequencyoftheoutputsignalisequaltothefrequencyofthecarriersignalplusthefrequencyofthemodulatingsignal.Attheminimumpeakofthemodulatingsignal,thefrequencyoftheoutputsignalisequaltothefrequencyofthecarriersignalminusthefrequencyofthemodulatingsignal.Thefollowingdiagramillustratestheeffectoffrequencymodulationonacarriersignal,andtheeffectontheoutputsignalofvaryingthepeakfrequencydeviation.
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OnekHzCarrierSineWaveandaFrequencyModulatedWaveat20HzPeakDeviation
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OutputStageOverviewThisclassdrivermodelstheoutputstageofthefunctiongeneratorwiththefollowingproperties:OutputVoltage,OutputImpedance,andSystemImpedance.Thedefinitionsofthesepropertiesareasfollows:
OutputVoltage—Thevoltageofthewaveformattheoutputterminalwhenconnectedtoamatchedtermination.OutputImpedance—Theimpedanceofthefunctiongeneratorattheoutputterminal.SystemImpedance—Theimpedanceofthesystemattachedtotheoutputterminal.
Thesepropertiesareshowninthefollowingillustration.
IllustrationofOutputPathPropertiesThecombinationoftheoutputimpedanceofthefunctiongeneratorandtheimpedanceofthesystemattachedtotheoutputterminalofthefunctiongeneratorformavoltagedividernetwork.Theactualvoltageacrossthesystemimpedancedependsonthisvoltagedividernetwork.Theamplitudeofthesignalthefunctiongeneratorproducesisbasedontheassumptionthatthesystemimpedancematchesthefunctiongenerator'soutputimpedance.Ifthesystemimpedancediffersfromtheoutputimpedance,youmustconsiderthisfactortoachievethedesiredoutputvoltage.Theactualoutputvoltagecanbefoundbyusingthefollowingequations:
Whentheoutputloadmatchesthesystemload(inotherwords, ,
),theinstrumentdrivercalculatesthecorrectvaluefor toresultin beingsettotherequesteduservalue.Ifyouhavenotmatchedthesystemimpedancetotheoutputimpedance,youmustcalculatetheoutputvoltageonyourown.Forexample,considerthecasewhere ismuchlargerthan ,aswhenaveryhighsystemimpedanceisattached
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totheoutputterminal.Inthiscase, .However,becausethe
instrumentdriverhasassumedamatchedload(inotherwords, )theoutputvoltageistwicetherequestedvalue.Inthiscase,youshouldrequestanoutputvoltagethatishalfofthedesiredoutputvaluetoachievetheintendedoutput.
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IviFgenExtensionCapabilityGroupsTheIviFgenclassdriveridentifiesVIsandpropertiesthatbelongtoanextensiongroupwiththefollowinggroupnames.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandpropertiesthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverthatyouusemustimplementthoseextensions.
GroupName Abbreviation DescriptionIviFgenStdFunc [STD] Forinstrumentscapableof
generatingstandardperiodicwaveforms.
IviFgenArbWfm [ARB] Forinstrumentscapableofgeneratinguser-definedarbitrarywaveforms.
IviFgenArbFrequency [AF] Forinstrumentscapableofspecifyingtherateatwhichthefunctiongeneratorproducesanentirecycleofanarbitrarywaveform.
IviFgenArbSeq [SEQ] Forinstrumentscapableofgeneratingauser-definedsequenceofarbitrarywaveforms.
IviFgenTrigger [TRG] Forinstrumentscapableofproducingasignaluponreceiptofatrigger.
IviFgenInternalTrigger [IT] Forinstrumentscapableofproducingasignaluponreceiptofatriggerfromaninternaltriggersource.
IviFgenSoftwareTrigger [SWT] Forinstrumentscapableofproducingasignaluponreceiptofasoftwaretrigger.
IviFgenBurst [BST] Forinstrumentscapableofgeneratingafixednumberofwaveformcyclessignalupon
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receiptofatrigger.IviFgenModulateAM [AM] Forinstrumentscapableof
applyingamplitudemodulationtoanoutputsignal.
IviFgenModulateFM [FM] Forinstrumentscapableofapplyingfrequencymodulationtoanoutputsignal.
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IviFgenArbFrequencyExtensionGroupTheIviFgenArbFrequencyextensiongroupsupportsfunctiongeneratorscapableofproducingarbitrarywaveformsthatallowyoutosettherateatwhichanentirearbitrarywaveformisgenerated.Inordertosupportthisextension,adrivermustfirstsupporttheIviFgenArbWfmextensiongroup.ThisextensionusestheIviFgenArbWfmextensiongroup'spropertiesofwaveformhandle,gain,andoffsettoconfigureanarbitrarywaveform.
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IviFgenArbFrequencyVIIviFgenConfigureArbFrequency
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IviFgenArbFrequencyPropertyIviFgenArbFrequency[AF]RelatedTopicsIviFgenVITreeIviFgenProperties
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IviFgenArbSeqExtensionGroupTheIviFgenArbSeqextensiongroupsupportsfunctiongeneratorscapableofproducingsequencesofarbitrarywaveforms.Inordertosupportthisextension,adrivermustfirstsupporttheIviFgenArbWfmextensiongroup.ThisextensionsusestheIviFgenArbWfmextensiongroup'spropertiesofsamplerate,gain,andoffsettoconfigureasequence.TheIviFgenArbSeqextensiongroupincludesVIsforcreating,configuring,andgeneratingsequences,andforreturninginformationaboutarbitrarysequencecreation.
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IviFgenArbSeqVIsIviFgenQueryArbSequenceCapabilitiesIviFgenCreateArbitrarySequence[SEQ]IviFgenConfigureArbitrarySequenceIviFgenClearArbitrarySequenceIviFgenClearArbitraryMemory
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IviFgenArbSeqPropertiesIviFgenArbitrarySequenceHandleIviFgenMaxNumberofSequencesIviFgenMaxLoopCountIviFgenMaxSequenceLengthIviFgenMinSequenceLengthRelatedTopicsIviFgenVITreeIviFgenProperties
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IviFgenArbWfmExtensionGroupTheIviFgenArbWfmextensiongroupsupportsfunctiongeneratorscapableofproducinguser-definedarbitrarywaveforms.Youcanmodifyparametersofthearbitrarywaveformsuchassamplerate,waveformgain,andwaveformoffset.TheIviFgenArbWfmextensiongroupincludesVIsforcreating,configuring,andgeneratingarbitrarywaveforms,andforreturninginformationaboutarbitrarywaveformcreation.
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IviFgenArbWfmVIsIviFgenConfigureSampleRateIviFgenQueryArbWaveformCapabilitiesIviFgenCreateArbitraryWfmIviFgenConfigureArbitraryWfmIviFgenClearArbitraryWfm
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IviFgenArbWfmPropertiesIviFgenArbitraryWaveformGainIviFgenArbitraryWaveformOffsetIviFgenArbSampleRateIviFgenArbitraryWaveformHandleIviFgenMaxNumberofWaveformsIviFgenMaxWaveformSizeIviFgenMinWaveformSizeIviFgenWaveformQuantumRelatedTopicsIviFgenVITreeIviFgenProperties
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IviFgenBaseCapabilityGroupTheIviFgenBasecapabilitiessupportthemostbasicfunctiongeneratorcapabilities.Youcanconfiguretheoutputimpedanceandreferenceclocksource,andenableordisablethefunctiongenerator'soutputconnectors.Thebasecapabilitiesdonotsupportthegenerationofaspecifickindofoutputsignal.Instead,afunctiongeneratormustsupporteithertheIviFgenStdFuncorIviFgenArbWfmextensions.Thisorganizationisrequiredbecausemanyfunctiongeneratorssupportonlyoneoftheseextensiongroups.Ifafunctiongeneratorsupportsmorethanoneoftheseextensions,theoutputmodecanbeconfiguredtospecifywhichextensionthefunctiongeneratorusestoproduceasignal.
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IviFgenBaseVIsIviFgenConfigureOutputModeIviFgenConfigureRefClockSourceIviFgenConfigureOperationModeIviFgenConfigureOutputImpedanceIviFgenConfigureOutputEnabled.IviFgenInitiateGenerationIviFgenAbortGeneration
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IviFgenBasePropertiesIviFgenOperationModeIviFgenOutputEnabledIviFgenOutputImpedanceIviFgenOutputModeIviFgenReferenceClockSourceFormoreVIandpropertyinformation:IviFgenVITreeIviFgenPropertiesRelatedTopics
IVIInherentVIsIVIInherentPropertiesIviFgenBaseBehaviorModel
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IviFgenBurstExtensionGroupTheIviFgenBurstExtensionGroupsupportsfunctiongeneratorscapableofproducingadiscretenumberofwaveformcyclesuponreceiptofatrigger.YouspecifythetriggersourcewiththeIviFgenTriggerExtensionGroup.Forstandardandarbitrarywaveforms,acycleisoneperiodofthewaveform.Forarbitrarysequences,acycleisonecompleteprogressionthroughthegenerationofalliterationsofallwaveformsinthesequence.
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IviFgenBurstVIIviFgenConfigureBurstCount
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IviFgenBurstPropertyIviFgenBurstCountRelatedTopicsIviFgenVITreeIviFgenPropertiesIviFgenBurstbehaviormodel
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IviFgenInternalTriggerExtensionGroupTheIviFgenInternalTriggerExtensionGroupsupportsfunctiongeneratorscapableofgeneratingoutputbasedonaninternallygeneratedtriggersignal.Youcanconfiguretherateatwhichinternaltriggersaregenerated.
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IviFgenInternalTriggerVIIviFgenConfigureInternalTriggerRate
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IviFgenInternalTriggerPropertyIviFgenInternalTriggerRateRelatedTopicsIviFgenVITreeIviFgenPropertiesIviFgenInternalTriggerbehaviormodel
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IviFgenModulateAMExtensionGroupTheIviFgenModulateAMExtensionGroupsupportsfunctiongeneratorsthatcanapplyamplitudemodulationtoanoutputsignal.Youcanenableordisableamplitudemodulation,andspecifythesourceofthemodulatingsignal.Ifthefunctiongeneratorsupportsaninternalmodulationsource,youcanspecifythewaveformtype,frequency,andmodulationdepth.
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IviFgenModulateAMVIsIviFgenConfigureAMEnabledIviFgenConfigureAMSourceIviFgenConfigureAMInternal
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IviFgenModulateAMPropertiesIviFgenAMEnabledIviFgenAMSourceIviFgenAMInternalDepthIviFgenAMInternalFrequencyIviFgenAMInternalWaveformRelatedTopicsIviFgenVITreeIviFgenProperties
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IviFgenModulateFMExtensionGroupTheIviFgenModulateFMExtensionGroupsupportsfunctiongeneratorsthatcanapplyfrequencymodulationtoanoutputsignal.Youcanenableordisablefrequencymodulation,andspecifythesourceofthemodulatingsignal.Ifthefunctiongeneratorsupportsaninternalmodulationsource,youcanspecifythewaveformtype,frequency,andpeakfrequencydeviation.
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IviFgenModulateFMVIsIviFgenConfigureFMEnabledIviFgenConfigureFMSourceIviFgenConfigureFMInternal
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IviFgenModulateFMPropertiesIviFgenFMEnabledIviFgenFMSourceIviFgenFMInternalDeviationIviFgenFMInternalFrequencyIviFgenFMInternalWaveformRelatedTopicsIviFgenVITreeIviFgenProperties
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IviFgenSoftwareTriggerExtensionGroupTheIviFgenSoftwareTriggerExtensionGroupsupportsfunctiongeneratorsthatcangenerateoutputbasedonasoftwaretriggersignal.Youcansendasoftwaretriggertocausesignaloutputtooccur.
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IviFgenSoftwareTriggerVIIviFgenSendSoftwareTriggerRelatedTopicsIviFgenVITree
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IviFgenStdFuncExtensionGroupTheIviFgenStdFuncextensiongroupsupportsfunctiongeneratorsthatcanproducemanufacturer-suppliedperiodicwaveforms.Youcanmodifyparametersofthewaveformsuchasfrequency,amplitude,DCoffset,andphaseoffset.
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IviFgenStdFuncVIIviFgenConfigureStandardWaveform
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IviFgenStdFuncPropertiesIviFgenFuncAmplitudeIviFgenDCOffsetIviFgenDutyCycleHighIviFgenFrequencyIviFgenStartPhaseIviFgenWaveformRelatedTopicsIviFgenVITreeIviFgenProperties
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IviFgenTriggerExtensionGroupTheIviFgenTriggerExtensionGroupsupportsfunctiongeneratorscapableofrespondingtoatriggersignal.ThevalueoftheIviFgenOperationModepropertydetermineshowthefunctiongeneratorrespondstothetriggersource.
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IviFgenTriggerVIIviFgenConfigureTriggerSource
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IviFgenTriggerProperty
IviFgenTriggerSource[TRG]RelatedTopicsIviFgenVITreeIviFgenProperties
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IviFgenBehaviorModelsIviFgenArbSeqIviFgenArbWfmIviFgenBaseIviFgenBurstIviFgenArbFrequencyIviFgenInternalTriggerIviFgenModulateAMIviFgenModulateFMIviFgenStdFuncIviFgenTriggerIviFgenSoftwareTrigger
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IviFgenArbFrequencyBehaviorModelTheIviFgenArbFrequencyExtensionGroupfollowsthebehaviormodeloftheIviFgenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviFgenBasecapabilitygroupistheabilitytoconfigureIviFgenArbFrequencysettings.
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IviFgenArbSeqBehaviorModelTheIviFgenArbSeqExtensionGroupfollowsthebehaviormodeloftheIviFgenArbWfmcapabilitygroup.TheonlymodificationtothebehaviormodelfromthefundamentalcapabilitygroupistheabilitytoconfigureIviFgenArbSeqsettings.
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IviFgenArbWfmBehaviorModelTheIviFgenArbWfmExtensionGroupfollowsthebehaviormodeloftheIviFgenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviFgenBasecapabilitygroupistheabilitytoconfigureIviFgenArbWfmsettings.
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IviFgenBaseBehaviorModelThefollowingbehaviormodelshowstherelationshipbetweentheIviFgenbasecapabilitygroupandfunctiongeneratorbehavior.
IviFgenBehaviorModelAfteryoucalltheClassPrefixInitialize,ClassPrefixInitializeWithOptions,orClassPrefixResetVIs,thefunctiongeneratorenterstheoutputgenerationstate.CallingIviFgenAbortGenerationmovesthefunctiongeneratortotheconfigurationstate.Dependingonthespecificfunctiongenerator,thismightcausesignalgenerationtocease.AnychangesmadetotheinstrumentwhileintheconfigurationstatetakeplacenolaterthanwhenyoucallIviFgenInitiateGeneration,butcanoccurbeforethen.CallingIviFgenInitiateGenerationmovesthefunctiongeneratorbacktotheoutputgenerationstate.Theoutputsignalthenreflectsallconfigurationchangesmadetothefunctiongeneratorwhileintheconfigurationstate.Anychangesmadetotheinstrumentwhileintheoutputgenerationstatetakeplaceimmediately.Whenthefunctiongeneratorisintheoutputgenerationstate,itgeneratesoutputbasedonthecurrentvalueoftheIviFgenOperationModeproperty.IftheIviFgenOperationModepropertyissettoIVIFGEN_VAL_OPERATE_CONTINUOUS,thefunctiongeneratorproducesthewaveformcontinuously.IftheIviFgenOperationModepropertyissettoavalueotherthanIVIFGEN_VAL_OPERATE_CONTINUOUS,thepropertiesandVIsofacorrespondingextensiongroupcontroltheoperationofthefunctiongenerator.Refertothebehaviormodelforthecorrespondingextensiongroupfordetailsregardinginstrumentbehavior.ThisspecificationdoesnotdefinewhenthefunctiongeneratorchangestoanewoperationmodeifthevalueoftheIviFgenOperationModepropertychangeswhilethefunctiongeneratorisintheoutputgenerationstate.
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IviFgenBurstBehaviorModelThebehaviormodelfortheIviFgenBurstextensioncapabilitygroupleveragesthebehaviormodelfortheIviFgenBaseextensiongroup.Theonlydifferenceiswhathappenswhilethefunctiongeneratorisintheoutputgenerationstate.ThefollowingdiagramshowstheoutputgenerationstatefortheIviFgenBurstextensiongroup.
IviFgenBurstBehaviorModelWhenthefunctiongeneratorenterstheoutputgenerationstateandtheIviFgenOperationModepropertyissettoIVIFGEN_VAL_OPERATE_BURST,thefunctiongeneratorentersthewait-for-triggerstate.Thefunctiongeneratorexitsthewait-for-triggerstatewhenitreceivesatriggerfromthesourcethattheIviFgenTriggerSource[TRG]propertyspecifies.Afterthefunctiongeneratorexitsthewait-for-triggerstateitgeneratesonecompletecycleofthecurrentlyconfiguredwaveform.TheIviFgenOutputModepropertydeterminesthetypeofwaveformthatthefunctiongeneratorproduces.ThewaveformcouldbeastandardVI,anarbitrarywaveform,oranarbitrarysequence.Afterthefunctiongeneratorproduceseachwaveformcycle,thefunctiongeneratorcomparesthetotalnumberofwaveformcyclesthathavebeengeneratedsincethefunctiongeneratorexitedthewait-for-triggerstatewiththevalueoftheIviFgenBurstCountproperty.IfthetotalnumberofwaveformsgeneratedislessthanthevalueoftheIviFgenBurstCountproperty,thefunctiongeneratorproducesanotherwaveformcycle.IfthetotalnumberofwaveformsgeneratedisequaltothevalueoftheIviFgenBurstCountproperty,thefunctiongeneratorreturnstothewait-for-triggerstate.Afterthefunctiongeneratorbeginstogeneratewaveformcycles,itignoresalltriggersignalsuntilthenumberofwaveformcyclesspecifiedbytheIviFgenBurstCountpropertyhavebeengenerated.
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IviFgenInternalTriggerBehaviorModelTheIviFgenInternalTriggerExtensionGroupfollowsthebehaviormodeloftheIviFgenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviFgenBasecapabilitygroupistheabilitytoconfigureIviFgenInternalTriggersettings.
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IviFgenModulateAMBehaviorModelTheIviFgenModulateAMExtensionGroupfollowsthebehaviormodeloftheIviFgenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviFgenBasecapabilitygroupistheabilitytoconfigureIviFgenModulateAMsettings.
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IviFgenModulateFMBehaviorModelTheIviFgenModulateFMExtensionGroupfollowsthebehaviormodeloftheIviFgenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviFgenBasecapabilitygroupistheabilitytoconfigureIviFgenModulateFMsettings.
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IviFgenSoftwareTriggerBehaviorModelTheIviFgenSoftwareTriggerExtensionGroupfollowsthebehaviormodeloftheIviFgenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviFgenBasecapabilitygroupistheabilitytoconfigureIviFgenSoftwareTriggersettings.
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IviFgenStdFuncBehaviorModelTheIviFgenStdFuncExtensionGroupfollowsthebehaviormodeloftheIviFgenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviFgenBasecapabilitygroupistheabilitytoconfigureIviFgenStdFuncsettings.
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IviFgenTriggerBehaviorModelTheIviFgenTriggerExtensionGroupfollowsthebehaviormodeloftheIviFgenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviFgenBasecapabilitygroupistheabilitytoconfigureIviFgenTriggersettings.
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IviFgenVITreeTheVItreefortheIviFgenclassdriver,includingIVIandVXIplug&playrequiredVIs,isshowninthefollowingtable.
NoteYouusetheLabVIEWPropertyNodetogetandsetproperties.
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IviFgenVITreeNameorClass VIName RequiredByInitialize IviFgenInitialize VPPInitializeWithOptions IviFgenInitializeWith
OptionsIVI
Configuration
ConfigureOutputMode
IviFgenConfigureOutputMode
IviFgen
ConfigureOperationMode
IviFgenConfigureOperationMode
IviFgen
ConfigureRefClockSource
IviFgenConfigureRefClockSource
IviFgen
ConfigureOutputImpedance
IviFgenConfigureOutputImpedance
IviFgen
ConfigureOutputEnabled
IviFgenConfigureOutputEnabled.
IviFgen
StandardWaveform
ConfigureStandardWaveform[STD]
IviFgenConfigureStandardWaveform
IviFgenStdFunc
ArbitraryWaveform
QueryArbWaveformCapabilities[ARB]
IviFgenQueryArbWaveformCapabilities
IviFgenArbWfm
CreateArbitraryWaveform[ARB]
IviFgenCreateArbitraryWfm
IviFgenArbWfm
ConfigureSampleRate[ARB]
IviFgenConfigureSampleRate
IviFgenArbWfm
ConfigureArbitrary IviFgenConfigure IviFgenArbWfm
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Waveform[ARB] ArbitraryWfm
ClearArbitraryWaveform[ARB]
IviFgenClearArbitraryWfm
IviFgenArbWfm
ArbitraryWaveformFrequency
ConfigureArbFrequency[ARBF]
IviFgenConfigureArbFrequency
IviFgenArbFrequency
ArbitrarySequence
QueryArbitrarySequenceCapabilities[SEQ]
IviFgenQueryArbSequenceCapabilities
IviFgenArbSeq
CreateArbitrarySequence[SEQ]
IviFgenCreateArbitrarySequence[SEQ]
IviFgenArbSeq
ConfigureArbitrarySequence[SEQ]
IviFgenConfigureArbitrarySequence
IviFgenArbSeq
ClearArbitrarySequence[SEQ]
IviFgenClearArbitrarySequence
IviFgenArbSeq
ClearArbitraryMemory[SEQ]
IviFgenClearArbitraryMemory
IviFgenArbSeq
Trigger
ConfigureTriggerSource[TRG]
IviFgenConfigureTriggerSource
IviFgenTrigger
InternalTrigger
ConfigureInternalTriggerRate[ITRG]
IviFgenConfigureInternalTriggerRate
IviFgenInternalTrigger
Burst
ConfigureBurstCount[BST]
IviFgenConfigureBurstCount
IviFgenBurst
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AmplitudeModulation
ConfigureAMEnabled[AM]
IviFgenConfigureAMEnabled
IviFgenModulateAM
ConfigureAMSource[AM]
IviFgenConfigureAMSource
IviFgenModulateAM
ConfigureAMInternal IviFgenConfigureAMInternal
IviFgenModulateAM
FrequencyModulation
ConfigureFMEnabled[FM]
IviFgenConfigureFMEnabled
IviFgenModulateFM
ConfigureFMSource[FM]
IviFgenConfigureFMSource
IviFgenModulateFM
ConfigureFMInternal[FM]
IviFgenConfigureFMInternal
IviFgenModulateFM
ActionVIs
InitiateGeneration IviFgenInitiateGeneration
IviFgen
AbortGeneration IviFgenAbortGeneration
IviFgen
SendSoftwareTrigger[SWT]
IviFgenSendSoftwareTrigger
IviFgenSoftwareTrigger
UtilityVIs
Reset IviFgenReset VPP
ResetWithDefaults ResetWithDefaults VPP
Self-Test IviFgenSelf-Test VPP
Disable Disable VPP
InvalidateAllAttributes InvalidateAllAttributes
VPP
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RevisionQuery IviFgenRevisionQuery
VPP
Error-Query IviFgenError-Query VPP
ErrorMessage IviFgenErrorMessage
VPP
GetChannelName IviFgenGetChannelName
VPP
InterchangeabilityInfo
GetNextInterchangeWarning
IviFgenGetNextInterchangeWarning
IVI
ResetInterchangeCheck
IviFgenResetInterchangeCheck
IVI
ClearInterchangeWarnings
IviFgenClearInterchangeWarnings
IVI
CoercionInfo
GetNextCoercionRecord
IviFgenGetNextCoercionRecord
IVI
Close IviFgenClose VPP
RelatedTopicsIviFgenPropertiesIVIInherentVIs
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IviFgenPropertiesNoteYouusetheLabVIEWPropertyNodetogetandsetproperties.
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IviFgenBasePropertiesIviFgenOperationModeIviFgenOutputEnabledIviFgenOutputImpedanceIviFgenOutputModeIviFgenReferenceClockSource
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IviFgenStdFuncPropertiesIviFgenFuncAmplitudeIviFgenDCOffsetIviFgenDutyCycleHighIviFgenFrequencyIviFgenStartPhaseIviFgenWaveform
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IviFgenArbWfmPropertiesIviFgenArbitraryWaveformGainIviFgenArbitraryWaveformOffsetIviFgenArbSampleRateIviFgenArbitraryWaveformHandleIviFgenMaxNumberofWaveformsIviFgenMaxWaveformSizeIviFgenMinWaveformSizeIviFgenWaveformQuantum
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IviFgenArbFrequencyPropertiesIviFgenArbFrequency
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IviFgenArbSeqPropertiesIviFgenArbitrarySequenceHandleIviFgenMaxNumberofSequencesIviFgenMaxLoopCountIviFgenMaxSequenceLengthIviFgenMinSequenceLength
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IviFgenTriggerPropertiesIviFgenTriggerSource
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IviFgenInternalTriggerPropertiesIviFgenInternalTriggerRate
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IviFgenBurstPropertiesIviFgenBurstCount
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IviFgenModulateAMPropertiesIviFgenAMEnabledIviFgenAMSourceIviFgenAMInternalDepthIviFgenAMInternalFrequency
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IviFgenModulateFMPropertiesIviFgenFMEnabledIviFgenFMSourceIviFgenFMInternalDeviationIviFgenFMInternalFrequency
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IviFgenPropertyValueDefinitionsThefollowingtabledefinestheIDvalueforallIviFgenclassproperties.
NoteInthefollowingtabletheliteralstringIVIFGENprecedesallpropertynames,andtheliteralstringIVIFGEN_VAL_precedesalldefinedvaluenames.
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IviFgenPropertyDefinedValues
Property ValueName
DefinedValue Description
OPERATIONMODE
Continuous 0 Configuresthefunctiongeneratortogenerateoutputcontinuously.
OPERATE_BURST Burst 1 Configuresthefunctiongeneratortogenerateaburstofwaveformcycles.
OUTPUTMODE StandardFunction
0 ThedriverusesthepropertiesandfunctionsoftheIviFgenStdFuncextensiongrouptoconfigurethefunctiongenerator'soutputsignal.
ArbitraryWaveform
1 ThedriverusesthepropertiesandfunctionsoftheIviFgenArbWfmExtensionGrouptoconfigurethefunctiongenerator'soutputsignal.
ArbitrarySequence
2 ThedriverusesthepropertiesandfunctionsoftheIviFgenArbWfmandIviFgenArbSeqExtensionGroupstogethertoconfigurethefunctiongenerator'soutputsignal.
REFERENCECLOCKSOURCE
Internal 0 Thefunctiongeneratorproducesthereferenceclocksignalinternally.
External 1 Thefunctiongeneratorreceivesthereferenceclocksignalfromanexternalsource.
Sine 1 Configuresthefunctiongeneratortoproduceasinusoidwaveform.
Square 2 Configuresthefunctiongeneratortoproduceasquarewaveform.
Triangle 3 Configuresthefunctiongeneratortoproduceatriangularwaveform.
RampUp 4 Configuresthefunctiongeneratortoproduceapositiverampwaveform.
Ramp 5 Configuresthefunctiongeneratorto
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Down produceanegativerampwaveform.DC 6 Configuresthefunctiongeneratorto
produceaconstantvoltage.TRIGGERSOURCE
External 1 Thefunctiongeneratordoesnotproduceanoutputsignaluntilitreceivesatriggeronitsexternaltriggerinputterminal.
SoftwareTriggerFunction
2 ThefunctiongeneratordoesnotproduceanoutputsignaluntiltheIviFgen_SendSoftwareTriggerfunctioniscalled.IfyousettheIVIFGEN_ATTR_TRIGGER_SOURCEpropertytothisvalue,theinstrumentcanonlybetriggeredbycallingtheIviFgen_SendSoftwareTriggerfunction.
Internal 3 Thefunctiongeneratorwaitsuntilitreceivesatriggerfromitsinternaltriggersource.
VXITTL0 111 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTLL0line.
VXITTL1 112 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTLL1line.
VXITTL2 113 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTLL2line.
VXITTL3 114 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTLL3line.
VXITTL4 115 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTLL4line.
VXITTL5 116 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTLL5line.
VXITTL6 117 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTLL6line.
VXITTL7 118 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTLL7line.
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ECLO 119 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheECL0line.
ECL1 120 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheECL1line.
PXIStar 131 ThefunctiongeneratorwaitsuntilitreceivesatriggeronthePXIStarbus.
RTSI0 141 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheRTSI0line.
RTSI1 142 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheRTSI1line.
RTSI2 143 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheRTSI2line.
RTSI3 144 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheRTSI3line.
RTSI4 145 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheRTSI4line.
RTSI5 146 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheRTSI5line.
RTSI6 147 ThefunctiongeneratorwaitsuntilitreceivesatriggerontheRTSI6line.
AMSOURCE Internal 0 Thefunctiongeneratorusesaninternallygeneratedwaveformtomodulatetheoutputsignal.
External 1 Thefunctiongeneratorusesawaveformfromanexternalsourcetomodulatetheoutputsignal.
FMSOURCE Internal 0 Thefunctiongeneratorusesaninternallygeneratedwaveformtofrequencymodulatetheoutputsignal.
External 1 Thefunctiongeneratorusesawaveformfromanexternalsourcetomodulatetheoutputsignal.
FormoreVIandpropertyinformation:IviFgenVITree
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IviFgenProperties
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IviFgenErrorandWarningCodesStatusCodeRangesStatusCodeType NumericRange(inHex)IviFgenErrors 0xBFFA2001to0xBFFA3FFFIviFgenWarnings 0x3FFA2001to0x3FFA3FFFIVISpecificDriverErrors 0xBFFA4000to0xBFFA5FFFIVISpecificDriverWarnings 0x3FFA4000to0x3FFA5FFFIVIErrors 0xBFFA0000to0xBFFA1FFFIVIWarnings 0x3FFA0000to0x3FFA1FFFCommonInstrumentDriverErrors 0xBFFC0000to0xBFFCFFFFCommonInstrumentDriverWarnings 0x3FFC0000to0x3FFCFFFFVISAErrors 0xBFFF0000to0xBFFFFFFFVISAWarnings 0x3FFF0000to0x3FFFFFFF
TheIviFgenclassdriverdefinesthefollowingerrorcodesinadditiontotheIVI-definederrorcodes.
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IviFgenErrorCodesError Value MessageIVIFGEN_ERROR_NO_WFMS_AVAILABLE 0xBFFA2004 The
functiongenerator'swaveformmemoryisfull.
IVIFGEN_ERROR_WFM_IN_USE 0xBFFA2008 Thewaveformiscurrentlyinuse.
IVIFGEN_ERROR_NO_SEQS_AVAILABLE 0xBFFA2009 Thefunctiongenerator'ssequencememoryisfull.
IVIFGEN_ERROR_SEQ_IN_USE 0xBFFA200D Thesequenceiscurrentlyinuse.
IVIFGEN_ERROR_TRIGGER_NOT_SOFTWARE 0xBFFA1001 Thetriggersourceisnotasoftwaretrigger.
RelatedTopicIVIStatusCodes
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IviFgenVIsExpandthisbooktoviewanalphabetizedlistofIviFgenVIs.
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IviFgenAbortGenerationIviFgenBaseCapabilityGroupThisVIabortsapreviouslyinitiatedsignalgeneration.IfthefunctiongeneratorisintheOutputGenerationState,thisVImovesthefunctiongeneratortotheConfigurationState.IfthefunctiongeneratorisalreadyintheConfigurationState,theVIdoesnothing.
YoucanconfiguretheoutputofthefunctiongeneratorregardlessofwhetherthefunctiongeneratorisintheConfigurationStateortheGenerationState.ThismeansthatyouarenotrequiredtocalltheIviFgenAbortGenerationVIpriortoconfiguringtheoutputofthefunctiongenerator.Manyfunctiongeneratorsconstantlygenerateanoutputsignal,anddonotrequireyoutoabortsignalgenerationpriortoconfiguringtheinstrument.Ifafunctiongenerator'soutputcannotbeaborted(thatis,thefunctiongeneratorcannotstopgeneratingasignal)thisVIdoesnothing.YouarenotrequiredtocalltheIviFgenInitiateGenerationandIviFgenAbortGenerationVIs.WhetheryouchoosetocalltheseVIsinanapplicationprogramhasnoimpactoninterchangeability.YoucanchoosetousetheseVIsifyouwanttooptimizeyourapplicationforinstrumentsthatexhibitincreasedperformancewhenoutputconfigurationisperformedwhiletheinstrumentisnotgeneratingasignal.
NoteThisVIdoesnotnormallychecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheIviFgenError-QueryVIattheconclusionofthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.errorin(noerror)Theerrorinclustercanaccepterrorinformation
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wiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenClearArbitraryMemoryIviFgenArbSeqCapabilityGroup[SEQ]ThisVIremovesallpreviouslycreatedarbitrarywaveformsandsequencesfromthefunctiongenerator'smemory.ThisVIalsoinvalidatesallwaveformandsequencehandles.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenClearArbitrarySequenceIviFgenArbSeqCapabilityGroup[SEQ]ThisVIremovesapreviouslycreatedarbitrarysequencefromthefunctiongenerator'smemoryandinvalidatesthesequence'shandle.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.sequencehandle(0)Passthehandleofthearbitrarysequenceyouwantthefunctiongeneratortoremove.YoucreatemultiplearbitrarysequencesusingtheIviFgenCreateArbitrarySequence[SEQ]VI.TheIviFgenCreateArbitrarySequence[SEQ]VIreturnsahandlethatyouusetoidentifyeachsequence.DefinedValues:IVIFGEN_VAL_ALL_SEQUENCES(-1)Removeallsequencesfromthefunctiongenerator.DefaultValue:None
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenClearArbitraryWaveformIviFgenArbWfmCapabilityGroup[ARB]ThisVIremovesapreviouslycreatedarbitrarywaveformfromthefunctiongenerator'smemoryandinvalidatesthewaveform'shandle.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.waveformhandle(0)Passthehandleofthearbitrarywaveformyouwantthefunctiongeneratortoremove.YoucreatemultiplearbitrarywaveformsusingtheIviFgenCreateArbitraryWaveform[ARB]VI.TheIviFgenCreateArbitraryWaveformVIreturnsahandlethatyouusetoidentifyeachwaveform.DefinedValues:IVIFGEN_VAL_ALL_WAVEFORMS(-1)—Removeallwaveformsfromthefunctiongenerator.DefaultValue:0
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureAMEnabled[AM]IviFgenModulateAMCapabilityGroupThisVIconfigureswhetherthefunctiongeneratorappliesamplitudemodulationtothechannel.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
AMenabled(TRUE)Specifywhetheryouwantthefunctiongeneratortoapplyamplitudemodulationtothechannel.ThedriversetstheIviFgenAMEnabled[AM]propertytothisvalue.DefaultValue:TRUE
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureAMInternalIviFgenModulateAMCapabilityGroup[AM]ThisVIconfiguresthepropertiesthatcontrolthefunctiongenerator'sinternalamplitudemodulationsource.Thesepropertiesarethemodulationdepth,waveform,andfrequency.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.modulationdepth(0.00%)Passthepercentageoffullmodulationyouwanttoapplytothecarriersignal.ThedriversetstheIviFgenAMInternalDepth[AM]propertytothisvalue.At0%depth,theoutputamplitudeequalsthecarriersignal'samplitude.At100%depth,theoutputamplitudeequalstwicethecarriersignal'samplitude.Units:Percentage(%)DefaultValue:0.0%
modulationfrequency(1000Hz)Passthefrequencyatwhichyouwanttheinstrumenttogeneratethemodulatingwaveform.ThedriversetstheIviFgenAMInternalFrequency[AM]propertytothisvalue.Units:hertz(Hz)DefaultValue:1000Hz
modulationwaveform(Sine)Passthewaveformyouwanttousetomodulatetheoutputsignal.ThedriversetstheIviFgenAMInternalWaveform[AM]propertytothisvalue.DefinedValues:IVIFGEN_VAL_AM_INTERNAL_SINE—SinusoidwaveformIVIFGEN_VAL_AM_INTERNAL_SQUARE—Squarewaveform
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IVIFGEN_VAL_AM_INTERNAL_TRIANGLE—TrianglewaveformIVIFGEN_VAL_AM_INTERNAL_RAMP_UP—PositiverampwaveformIVIFGEN_VAL_AM_INTERNAL_RAMP_DOWN—NegativerampwaveformIVIFGEN_VAL_AM_INTERNAL_DC—DCwaveformDefaultValue:IVIFGEN_VAL_AM_INTERNAL_SINE—Sinusoidwaveform
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureAMSourceIviFgenModulateAMCapabilityGroup[xxx]ThisVIconfiguresthesourceoftheamplitudemodulatingsignalthefunctiongeneratorusesforthechannel.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
source(Internal)Passthesourceofthemodulatingsignalyouwanttouse.ThedriversetstheIviFgenAMSource[AM]propertytothisvalue.ValidValues:
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IVIFGEN_VAL_AM_INTERNALinternalmodulationsourceIVIFGEN_VAL_AM_EXTERNALexternalmodulationsourceDefaultValue:IVIFGEN_VAL_AM_INTERNALinternalmodulationsource
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureArbFrequencyIviFgenArbFrequencyCapabilityGroupThisVIconfigurestherateatwhichthefunctiongeneratorproducesanentirecycleofanarbitrarywaveformonachannel.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
frequency(0.0Hz)Passthefrequencyatwhichyouwantthefunctiongeneratortoproduceonecycleofanarbitrarywaveform.ThedriversetstheIviFgenArbFrequency[AF]propertytothisvalue.
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Units:hertz(Hz)DefaultValue:0.00
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureArbitrarySequenceIviFgenArbSeqCapabilityGroup[SEQ]ThisVIconfiguresthepropertiesofthefunctiongeneratorthataffectarbitrarysequencegeneration.Thesepropertiesarethearbitrarysequencehandle,gain,andoffset.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
sequencehandle(0)Passthehandleofthearbitrarysequenceyouwantthefunctiongeneratortoproduce.ThedriversetstheIviFgenArbitrarySequenceHandle[SEQ]propertytothisvalue.YoucreateanarbitrarysequenceusingtheIviFgenCreateArbitrarySequence[SEQ]VI.TheIviFgenCreateArbitrarySequenceVIreturnsahandlethatyouusetoidentifythesequence.
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DefaultValue:None
gain(1.00)Specifiesthefactorbywhichthefunctiongeneratorscalesthearbitrarywaveformsinthesequence.Whenyoucreatearbitrarywaveforms,youmustfirstnormalizethedatapointstoarangeof–1.00to+1.00.Youusethispropertytoscalethewaveformsinthesequencetootherranges.ThedriversetstheIviFgenArbitraryWaveformGain[ARB]propertytothisvalue.Forexample,toconfiguretheoutputsignaltorangefrom–2.00Vto+2.00V,setthegainto2.00.Units:NoneDefaultValue:1.00
offset(0.00V)Specifiesthevaluethefunctiongeneratoraddstothearbitrarywaveformsinthesequence.Whenyoucreatearbitrarywaveforms,youmustfirstnormalizethedatapointstoarangeof–1.00to+1.00.Youusethisparametertoshifttherangesofthearbitrarywaveformsinthesequence.ThedriversetstheIviFgenArbitraryWaveformOffset[ARB]propertytothisvalue.Forexample,toconfiguretheoutputsignaltorangefrom0.00Vto2.00Vinsteadof–1.00Vto1.00V,settheOffsetto1.00.Units:Volts(V)DefaultValue:0
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureArbitraryWaveformIviFgenArbWfmCapabilityGroup[ARB]ThisVIconfiguresthepropertiesofthefunctiongeneratorthataffectarbitrarywaveformgeneration.Thesepropertiesarethearbitrarywaveformhandle,gain,andoffset.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelinMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
waveformhandle(0)Passthehandleofthearbitrarywaveformyouwantthefunctiongeneratortoproduce.ThedriversetstheIviFgenArbitraryWaveformHandle[ARB]propertytothisvalue.YoucreateanarbitrarywaveformusingtheIviFgenCreateArbitraryWaveform[ARB]VI.TheIviFgenCreateArbitraryWaveform[ARB]VIreturnsahandlethatyouusetoidentifythewaveform.DefaultValue:None
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gain(1.00)Specifiesthefactorbywhichthefunctiongeneratorscalesthearbitrarywaveformdata.Whenyoucreatearbitrarywaveforms,youmustfirstnormalizethedatapointstoarangeof–1.00to+1.00.Youusethispropertytoscalethearbitrarywaveformtootherranges.ThedriversetstheIviFgenArbitraryWaveformGain[ARB]propertytothisvalue.Forexample,toconfiguretheoutputsignaltorangefrom–2.00Vto+2.00V,setthegainto2.00.Units:NoneDefaultValue:1.00
offset(0.00V)Specifiesthevaluethefunctiongeneratoraddstothearbitrarywaveformdata.Whenyoucreatearbitrarywaveforms,youmustfirstnormalizethedatapointstoarangeof–1.00to+1.00.Youusethisparametertoshiftthearbitrarywaveform'srange.ThedriversetstheIviFgenArbitraryWaveformOffset[ARB]propertytothisvalue.Forexample,toconfiguretheoutputsignaltorangefrom0.00Vto2.00Vinsteadof–1.00Vto1.00V,settheOffsetto1.00.Units:Volts(V)DefaultValue:0.0V
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureBurstCountIviFgenBurstCapabilityGroupThisVIconfigurestheburstcount.WhenthefunctiongeneratorreceivesatriggerwhileintheBurstoperationmode,itgeneratesthenumberofwaveformcyclesyouspecifyintheBurstCountcontrol.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
burstcount(1)Passthenumberofwaveformcyclesyouwantthefunctiongeneratortoproduceafteritreceivesatrigger.ThedriversetstheIviFgenBurstCountpropertytothisvalue.Forstandardandarbitrarywaveforms,acycleisoneperiodofthewaveform.Anarbitrarysequenceconsistsofmultiplearbitrarywaveformsinasequence.Eachwaveformcanberepeatedadiscretenumberoftimesbeforethenextwaveformisproduced.Forarbitrarysequences,acycleisonecompleteprogressionthroughthegenerationofalliterationsofallwaveformsinthesequence.
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DefaultValue:1
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureFMEnabledIviFgenModulateFMCapabilityGroup[FM]ThisVIconfigureswhetherthefunctiongeneratorappliesfrequencymodulationtothechannel.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
FMenabled(TRUE)Specifywhetheryouwantthefunctiongeneratortoapplyfrequencymodulationtothechannel.ThedriversetstheIviFgenFMEnabled[FM]propertytothisvalue.DefaultValue:TRUE
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instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureFMInternalIviFgenModulateFMCapabilityGroup[FM]ThisVIconfiguresthepropertiesthatcontrolthefunctiongenerator'sinternalfrequencymodulationsource.Thesepropertiesarethepeakdeviation,waveform,andfrequency.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.peakdeviation(100Hz)Passthemaximumfrequencydeviationyouwantthefunctiongeneratortoapplytothecarrierwaveform.Thisdeviationcorrespondstothemaximumamplitudelevelofthemodulatingsignal.ThedriversetstheIviFgenFMInternalDeviation[FM]propertytothisvalue.Units:hertz(Hz)DefaultValue:100.0
modulationfrequency(1000Hz)Specifiesthefrequencyoftheinternalmodulatingsignal.ThedriversetstheIviFgenFMInternalFrequency[FM]propertytothisvalue.Units:hertz(Hz)DefaultValue:1000Hz
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
modulationwaveform(Sine)Passthewaveformyouwanttousetomodulatetheoutputsignal.ThedriversetstheIviFgenFM
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InternalWaveform[FM]propertytothisvalue.DefinedValues:IVIFGEN_VAL_FM_INTERNAL_SINESinusoidwaveformIVIFGEN_VAL_FM_INTERNAL_SQUARESquarewaveformIVIFGEN_VAL_FM_INTERNAL_TRIANGLETrianglewaveformIVIFGEN_VAL_FM_INTERNAL_RAMP_UPPositiverampwaveformIVIFGEN_VAL_FM_INTERNAL_RAMP_DOWNNegativerampwaveformDefaultValue:IVIFGEN_VAL_FM_INTERNAL_SINESinusoidwaveform
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureFMSourceIviFgenModulateFMCapabilityGroupThisVIconfiguresthesourceofthefrequencymodulatingsignalthefunctiongeneratorusesforthechannel.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
source(Internal)Passthesourceofthemodulatingsignalyouwanttouse.ThedriversetstheIviFgenFMSource[FM]propertytothisvalue.ValidValues:IVIFGEN_VAL_FM_INTERNALinternalmodulationsourceIVIFGEN_VAL_FM_EXTERNALexternalmodulationsourceDefault:IVIFGEN_VAL_FM_INTERNALinternalmodulationsource
errorin(noerror)Theerrorinclustercanaccepterrorinformation
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wiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureInternalTriggerRateIviFgenInternalTriggerCapabilityGroupThisVIconfigurestherateatwhichthefunctiongenerator'sinternaltriggersourcegeneratestriggersignals.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
triggerrateSpecifytherateatwhichyouwantthefunctiongenerator'sinternaltriggerratetogeneratetriggersignals.ThedriversetstheIviFgenInternalTriggerRate[IT]tothisvalue.instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureOperationModeIviFgenBaseCapabilityGroupThisVIconfigurestheoperationmodeofthefunctiongenerator.Theoperationmodedetermineshowthefunctiongeneratorproducesoutputonachannel.Forexample,youcanselecttogenerateoutputcontinuouslyortogenerateadiscretenumberofwaveformcyclesbasedonatriggerevent.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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operationmode(Continuous)Passtheoperationmodeyouwantthefunctiongeneratortouse.ThedriversetstheIviFgenOperationModepropertytothisvalue.DefinedValues:IVIFGEN_VAL_OPERATE_CONTINUOUS—continuousgenerationIVIFGEN_VAL_OPERATE_BURST—burstgenerationDefaultValue:IVIFGEN_VAL_OPERATE_CONTINUOUS—continuousgeneration
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureOutputEnabledIviFgenBaseCapabilityGroupThisVIconfigureswhetherthesignalthefunctiongeneratorproducesappearsatthechannel'soutputconnector.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.channelname("CHANNEL1")Ifthepropertyischannel-based,thisparameterspecifiesthenameofthechannelonwhichtosetthevalueoftheproperty.Ifthepropertyisnotchannel-based,thenpassVI_NULLoranemptystring.PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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channelenabled(True)Specifywhetheryouwantthesignalthefunctiongeneratorproducestoappearattheoutputterminal.ThedriversetstheIviFgenOutputEnabledpropertytothisvalue.DefaultValue:TRUE
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureOutputImpedanceIviFgenBaseCapabilityGroupThisVIconfigurestheoutputimpedanceforthechannelyouspecify.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
impedance(50ohms)Passtheimpedancevalueyouwantthefunctiongeneratortouse.ThedriversetstheIviFgenOutputImpedancepropertytothisvalue.Avalueof0.0indicatesthatthefunctiongeneratorisconnectedtoahigh-impedanceload.
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureOutputModeIviFgenBaseCapabilityGroupThisVIconfigurestheoutputmodeofthefunctiongenerator.Theoutputmodedeterminesthekindofwaveformthefunctiongeneratorproduces.Forexample,youcanselecttooutputastandardwaveform,anarbitrarywaveform,orasequenceofarbitrarywaveforms.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.outputmode(StandardFunction)Passtheoutputmodeyouwantthefunctiongeneratortouse.ThedriversetstheIviFgenOutputModepropertytothisvalue.ThevalueyouspecifydetermineswhichVIsandpropertiesyouusetoconfigurethewaveformthefunctiongeneratorproduces.WhenyousetthisparametertoIVIFGEN_VAL_OUTPUT_FUNC,usethefollowingVItoconfigurethewaveform:IviFgenConfigureStandardWaveform[STD]InplaceofusingthisVI,youcansetthefollowingproperties:IviFgenWaveform[STD]IviFgenFuncAmplitude[STD]IviFgenDCOffset[STD]IviFgenFrequency[STD]IviFgenStartPhase[STD]IviFgenDutyCycleHigh[STD]WhenyousetthisparametertoIVIFGEN_VAL_OUTPUT_ARB,usethefollowingVIstoconfigurethewaveform:IviFgenQueryArbWaveformCapabilities[ARB]IviFgenCreateArbitraryWaveform[ARB]
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IviFgenClearArbitraryWaveform[ARB]IviFgenConfigureSampleRate[ARB]IviFgenConfigureArbitraryWaveform[ARB]IviFgenConfigureArbFrequency[AF]InsteadofusingtheIviFgenConfigureSampleRate[ARB]andIviFgenConfigureArbitraryWaveform[ARB]VIs,youcansetthefollowingproperties:IviFgenArbitraryWaveformHandle[ARB]IviFgenArbitraryWaveformGain[ARB]IviFgenArbitraryWaveformOffset[ARB]IviFgenArbSampleRate[ARB]IviFgenArbFrequency[AF]WhenyousetthisparametertoIVIFGEN_VAL_OUTPUT_SEQ,usethefollowingVIstoconfigurethesequence:IviFgenQueryArbWaveformCapabilities[ARB]IviFgenCreateArbitraryWaveform[ARB]IviFgenClearArbitraryWaveform[ARB]IviFgenQueryArbSequenceCapabilities[SEQ]IviFgenClearArbitrarySequence[SEQ]IviFgenClearArbitraryMemory[SEQ]IviFgenConfigureSampleRate[ARB]IviFgenConfigureArbitrarySequence[SEQ]InsteadofusingtheIviFgenConfigureSampleRate[ARB]andIviFgenConfigureArbitrarySequence[SEQ]VIs,youcansetthefollowingproperties:IviFgenArbitrarySequenceHandle[SEQ]IviFgenArbitraryWaveformGain[ARB]IviFgenArbitraryWaveformOffset[ARB]IviFgenArbSampleRate[ARB]DefinedValues:
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IVIFGEN_VAL_OUTPUT_FUNCStandardFunctionOutputIVIFGEN_VAL_OUTPUT_ARBArbitraryWaveformOutputIVIFGEN_VAL_OUTPUT_SEQArbitrarySequenceoutputDefaultValue:IVIFGEN_VAL_OUTPUT_FUNCStandardFunctionOutput
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureRefClockSourceIviFgenBaseCapabilityGroupThisVIconfiguresthefunctiongenerator'sreferenceclocksource.Thefunctiongeneratorusesthereferenceclocktoderivefrequenciesandsamplerateswhengeneratingoutput.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
referenceclocksource(Internal)Passthereferenceclocksourceyouwantthefunctiongeneratortouse.ThedriversetstheIviFgenReferenceClockSourcepropertytothisvalue.Thefunctiongeneratorderivesthefrequenciesandsampleratesthatitusestogeneratewaveformsfromthesourceyouspecify.Forexample,whenyousetthisparametertoIVIFGEN_VAL_REF_CLOCK_EXTERNAL,thefunctiongeneratorusesthesignalitreceivesatitsexternalclockterminalasitsreferenceclock.DefinedValues:IVIFGEN_VAL_REF_CLOCK_INTERNAL—InternalclocksourceIVIFGEN_VAL_REF_CLOCK_EXTERNAL—ExternalclocksourceIVIFGEN_VAL_REF_CLOCK_RTSI_CLOCK—RTSIclocksource
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Default:IVIFGEN_VAL_REF_CLOCK_INTERNAL—Internalclocksource
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureSampleRateIviFgenArbWfmCapabilityGroup[ARB]ThisVIconfigurestherateatwhichthefunctiongeneratorproducesthepointsthatmakeuparbitrarywaveforms.Whenyouconfigurethefunctiongeneratortoproduceanarbitrarysequence,thisisthesamplerateforallarbitrarywaveformsinthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.samplerate(1000Samp/s)Passthesamplerateatwhichyouwantthefunctiongeneratortooutputarbitrarywaveforms.ThedriversetstheIviFgenArbSampleRate[ARB]propertytothisvalue.Units:Samples-per-Second(Samp/s)DefaultValue:1000
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureStandardWaveformIviFgenStdFuncCapabilityGroup[STD]ThisVIconfiguresthepropertiesofthefunctiongeneratorthataffectstandardwaveformgeneration.Thesepropertiesarethewaveform,amplitude,DCoffset,frequency,andstartphase.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
waveform(Sine)Passthestandardwaveformthatyouwantthefunctiongeneratortoproduce.ThedriversetstheIviFgenWaveform[STD]propertytothisvalue.ValidValues:IVIFGEN_VAL_WFM_SINE—Sinusoidwaveform
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IVIFGEN_VAL_WFM_SQUARE—SquarewaveformIVIFGEN_VAL_WFM_TRIANGLE—TrianglewaveformIVIFGEN_VAL_WFM_RAMP_UP—PositiverampwaveformIVIFGEN_VAL_WFM_RAMP_DOWN—NegativerampwaveformIVIFGEN_VAL_WFM_DC—ConstantvoltageDefaultValue:IVIFGEN_VAL_WFM_SINE—Sinusoidwaveform
amplitude(1.0V)Passtheamplitudeofthestandardwaveformthatyouwantthefunctiongeneratortoproduce.Thisvalueistheamplitudeattheoutputterminal.ThedriversetstheIviFgenFuncAmplitude[STD]propertytothisvalue.Forexample,toproduceawaveformrangingfrom–5.00Vto+5.00V,settheamplitudeto10.00V.Units:Voltspeak-to-peak(Vpp)DefaultValue:1.0V
NoteThisparameterdoesnotaffectfunctiongeneratorbehaviorwhenyousettheWaveformparametertoIVIFGEN_VAL_WFM_DC.dcoffset(0.00V)PasstheDCoffsetofthestandardwaveformthatyouwantthefunctiongeneratortoproduce.Thisvalueistheoffsetattheoutputterminal.ThevalueistheoffsetfromgroundtothecenterofthewaveformyouspecifywiththeWaveformparameter.ThedriversetstheIviFgenDCOffset[STD]propertytothisvalue.Forexample,toconfigureawaveformwithanamplitudeof10.00voltstorangefrom0.00Vto+10.00V,settheDCOffsetto5.00V.Units:volts(V)DefaultValue:0.0
frequency(0.0Hz)Passthefrequencyofthestandardwaveformthatyouwantthefunctiongeneratortoproduce.ThedriversetstheIviFgenFrequency[STD]propertytothisvalue.Units:hertz(Hz)DefaultValue:1000.0Hz
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NoteThisparameterdoesnotaffectfunctiongeneratorbehaviorwhenyousettheWaveformparametertoIVIFGEN_VAL_WFM_DC.
startphase(0.00Degrees)Passthehorizontaloffsetofthestandardwaveformyouwantthefunctiongeneratortoproduce.Youspecifythispropertyindegreesofonewaveformcycle.ThedriversetstheIviFgenStartPhase[STD]propertytothisvalue.Astartphaseof180degreesmeansoutputgenerationbeginshalfwaythroughthewaveform.Astartphaseof360degreesoffsetstheoutputbyanentirewaveformcycle,whichisidenticaltoastartphaseof0degrees.Units:DegreesofonecycleDefaultValue:0.0
NoteThisparameterdoesnotaffectfunctiongeneratorbehaviorwhenyousettheWaveformparametertoIVIFGEN_VAL_WFM_DC.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenConfigureTriggerSourceIviFgenTriggerCapabilityGroup[TRG]ThisVIconfiguresthetriggersourceforachannel.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
triggersource(External)Specifythetriggersourceyouwanttouse.ThedriversetstheIviFgenTriggerSource[TRG]propertytothisvalue.AfteryoucalltheIviFgenInitiateGenerationVI,thefunctiongeneratorwaitsforthetriggeryouspecifyinthisparameter.Afterit
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receivesatrigger,thefunctiongeneratorproducesoutputbasedonthevalueoftheIviFgenOperationModeproperty.DefinedValues:IVIFGEN_VAL_INTERNAL_TRIGGER—InternalIVIFGEN_VAL_EXTERNAL—ExternalIVIFGEN_VAL_SOFTWARE_TRIG—SoftwareTriggerFunctionIVIFGEN_VAL_TTL0—PXITRIG0orVXITTL0IVIFGEN_VAL_TTL1—PXITRIG1orVXITTL1IVIFGEN_VAL_TTL2—PXITRIG2orVXITTL2IVIFGEN_VAL_TTL3—PXITRIG3orVXITTL3IVIFGEN_VAL_TTL4—PXITRIG4orVXITTL4IVIFGEN_VAL_TTL5—PXITRIG5orVXITTL5IVIFGEN_VAL_TTL6—PXITRIG6orVXITTL6IVIFGEN_VAL_TTL7—PXITRIG7orVXITTL7IVIFGEN_VAL_ECL0—VXIECL0IVIFGEN_VAL_ECL1—VXIECL1IVIFGEN_VAL_PXI_STAR—PXIStarIVIFGEN_VAL_RTSI_0—RTSIline0IVIFGEN_VAL_RTSI_1—RTSIline1IVIFGEN_VAL_RTSI_2—RTSIline2IVIFGEN_VAL_RTSI_3—RTSIline3IVIFGEN_VAL_RTSI_4—RTSIline4IVIFGEN_VAL_RTSI_5—RTSIline5IVIFGEN_VAL_RTSI_6—RTSIline6DefaultValue:IVIFGEN_VAL_EXTERNAL—External
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenCreateArbitrarySequenceIviFgenArbSeqCapabilityGroup[SEQ]Anarbitrarysequenceconsistsofmultiplewaveforms.Foreachwaveform,youspecifythenumberoftimesthefunctiongeneratorproducesthewaveformbeforeproceedingtothenextwaveform.Thenumberoftimestorepeataspecificwaveformiscalledtheloopcount.ThisVIcreatesanarbitrarysequencefromanarrayofwaveformhandlesandanarrayofcorrespondingloopcounts.TheVIreturnsahandlethatidentifiesthesequence.YoupassthishandletotheIviFgenConfigureArbitrarySequence[SEQ]VItospecifywhatarbitrarysequenceyouwantthefunctiongeneratortoproduce.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.sequencelength(1)Passthenumberofwaveformsinthenewarbitrarysequenceyouwanttocreate.Thevalueyoupassmustbebetweentheminimumandmaximumsequencelengthsthefunctiongeneratorallows.YoucanobtaintheminimumandmaximumsequencelengthsfromtheMinimumSequenceLengthandMaximumSequenceLengthparametersoftheIviFgenQueryArbSequenceCapabilities[SEQ]VI.DefaultValue:1
waveformhandlesarray(empty)Passthearrayofwaveformhandlesfromwhichyouwanttocreateanewarbitrarysequence.ThearraymusthaveatleastasmanyelementsasthevalueyouspecifyintheSequenceLengthparameter.EachWaveformHandlesarrayelementhasacorrespondingLoopCountsarrayelementthatindicateshowmanytimesthatwaveformisrepeated.
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YouobtainwaveformhandleswhenyoucreatearbitrarywaveformswiththeIviFgenCreateArbitraryWaveform[ARB]VI.DefaultValue:None
loopcountsarray(empty)Passthearrayofloopcountsyouwanttousetocreateanewarbitrarysequence.ThearraymusthaveatleastasmanyelementsasthevalueyouspecifyintheSequenceLengthparameter.EachLoopCountsarrayelementcorrespondstoaWaveformHandlesarrayelementandindicateshowmanytimestorepeatthatwaveform.EachelementoftheLoopCountarraymustbelessthanorequaltothemaximumnumberofloopcountsthefunctiongeneratorallows.YoucanobtainthemaximumloopcountfromtheMaximumLoopCountparameteroftheIviFgenQueryArbSequenceCapabilities[SEQ]VI.DefaultValue:None
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.sequencehandleReturnsthehandlethatidentifiesthenewarbitrarysequence.YoupassthishandletotheIviFgenConfigureArbitrarySequence[SEQ]VItogeneratethearbitrarysequence.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenCreateArbitraryWaveformIviFgenArbWfmCapabilityGroup[ARB]ThisVIcreatesanarbitrarywaveformandreturnsahandlethatidentifiesthatwaveform.YoupassthishandletotheIviFgenConfigureArbitraryWaveform[ARB]VItoproducethatwaveform.YoualsousethehandlesthisVIreturnstospecifyasequenceofarbitrarywaveformswiththeIviFgenCreateArbitrarySequence[SEQ]VI.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.waveformsize(0)Passthesizeofthearbitrarywaveformyouwantcreate.Thesizemustmeetthefollowingrestrictions:
Thesizeislessthanorequaltothemaximumwaveformsizetheinstrumentallows.Thesizeisgreaterthanorequaltotheminimumwaveformsizetheinstrumentallows.Thesizeisanintegermultipleoftheinstrument'swaveformquantum.
YoucanobtainthesevaluesfromtheMaximumWaveformSize,MinimumWaveformSize,andWaveformQuantumparametersoftheIviFgenQueryArbWaveformCapabilities[ARB]VI.DefaultValue:None
waveformdataarray(empty)Specifythearrayofdatayouwanttouseforthenewarbitrarywaveform.ThearraymusthaveatleastasmanyelementsasthevalueyouspecifyintheWaveformSizeparameter.
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Youmustnormalizethedatapointsinthearraytobebetween–1.00and+1.00.DefaultValue:None
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.waveformhandleReturnsthehandlethatidentifiesthenewarbitrarywaveform.YoupassthishandletotheIviFgenConfigureArbitraryWaveform[ARB]VItogeneratethearbitrarywaveform.YoupassanarrayofthesehandlestotheIviFgenCreateArbitrarySequence[SEQ]VItocreateanarbitrarysequence.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenGetChannelNameIviFgenBaseCapabilityGroupThisVIreturnsthespecificdriverdefinedchannelnamethatcorrespondstotheone-basedindexthatyouspecify.IfthevalueyoupassfortheIndexparameterislessthanoneorgreaterthanthevalueoftheChannelCountproperty,theVIreturnsanemptystringintheNameparameterandreturnsanerror.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.
index(1)Aone-basedindexthatdefineswhichnametoreturn.TheindexmustbelessthanorequaltotheClassPrefixChannelCountproperty.instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
outputchannelnameReturnsthenameoftheChannelspecifiedbytheindexparameter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenInitiateGenerationIviFgenBaseCapabilityGroupThisVIinitiatessignalgeneration.IfthefunctiongeneratorisintheConfigurationstate,thisVImovesthefunctiongeneratortotheOutputGenerationstate.IfthefunctiongeneratorisalreadyintheOutputGenerationstate,thisVIdoesnothing.Details.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
IviFgenInitiateGenerationDetailsTheinstrumentisintheGenerationstateafteryoucalltheIviFgenInitialize,IviFgenInitializeWithOptions,orIviFgenResetVIs.YoucanconfiguretheoutputofthefunctiongeneratorregardlessofwhetherfunctiongeneratorisintheConfigurationStateortheGenerationState.ThismeansthatyouarerequiredtocalltheIviFgenInitiateGenerationVIonlyifyouabortsignalgenerationbycallingtheIviFgenAbortGeneration
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VI.Manyfunctiongeneratorsconstantlygenerateanoutputsignal,anddonotrequireyoutoinitiatesignalgeneration.Ifafunctiongeneratorisalwaysoutputtingthecurrentlyconfiguredsignal,thisVIdoesnothing.YouarenotrequiredtocalltheIviFgenInitiateGenerationandIviFgenAbortGenerationVIs.WhetheryouchoosetocalltheseVIsinanapplicationprogramhasnoimpactoninterchangeability.YoucanchoosetousetheseVIsifyouwanttooptimizeyourapplicationforinstrumentsthatexhibitincreasedperformancewhenoutputconfigurationisperformedwhiletheinstrumentisnotgeneratingasignal.ThisVIdisablesextensionsthatyouhavenotsetunderthefollowingconditions:
1. IfyouhavenotsetthevalueofanypropertyintheIviFgenModulateAMextensiononachannel,thisVIsetstheIviFgen»AmplitudeModulation»AMEnabled[AM]propertytoFALSEforthatchannel.
2. IfyouhavenotsetthevalueofanypropertyintheIviFgenModulateFMextensiononachannel,thisVIsetstheIviFgen»FrequencyModulation»FMEnabled[FM]propertytoFALSEforthatchannel.
Notes
1. ThisVIdoesnotnormallychecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverfunctions.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheIviFgenError-QueryVIattheconclusionofthesequence.
2. ThisVIperformsinterchangeabilitycheckingwhentheIviFgenInterchangeCheckpropertyissettoTRUE.UseNISpytoviewinterchangeabilitywarnings.Alternatively,youmayusetheIviFgenGetNextInterchangeWarningVItoretrieveinterchangeabilitywarnings.Formoreinformationaboutinterchangeabilitychecking,refertotheIviFgenInterchangeCheckproperty.
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IviFgenQueryArbSequenceCapabilitiesIviFgenArbSeqCapabilityGroupThisVIreturnsthepropertiesofthefunctiongeneratorthatarerelatedtocreatingarbitrarysequences.Thesepropertiesarethemaximumnumberofsequences,minimumsequencelength,maximumsequencelength,andmaximumloopcount.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.maxnumberofsequencesReturnsthemaximumnumberofarbitrarywaveformsequencesthatthefunctiongeneratorallows.ThedriverobtainsthisvaluefromtheIviFgenMaxNumberofSequencesproperty.minsequencelengthReturnstheminimumnumberofarbitrarywaveformsthefunctiongeneratorallowsinasequence.ThedriverobtainsthisvaluefromtheIviFgenMinSequenceLengthproperty.maxsequencelengthReturnsthemaximumnumberofarbitrarywaveformsthefunctiongeneratorallowsinasequence.ThedriverobtainsthisvaluefromtheIviFgenMaxSequenceLengthproperty.
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maxloopcountReturnsthemaximumnumberoftimesthefunctiongeneratorcanrepeatanarbitrarywaveforminasequence.ThedriverobtainsthisvaluefromtheIviFgenMaxLoopCountproperty.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenQueryArbWaveformCapabilitiesIviFgenArbWfmCapabilityGroup[SEQ]ThisVIreturnsthepropertiesofthefunctiongeneratorthatarerelatedtocreatingarbitrarywaveforms.Thesepropertiesarethemaximumnumberofwaveforms,waveformquantum,minimumwaveformsize,andmaximumwaveformsize.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.maxnumberofwaveformsReturnsthemaximumnumberofarbitrarywaveformsthatthefunctiongeneratorallows.ThedriverobtainsthisvaluefromtheIviFgenMaxNumberofWaveforms[ARB]property.waveformquantumThesize(suchas,numberofpoints)ofeachwaveformmustbeamultipleofaconstantquantumvalue.Thisparameterobtainsthequantumvaluethefunctiongeneratoruses.ThedriverreturnsthisvaluefromtheIviFgenWaveformQuantum[ARB]property.Forexample,whenthispropertyreturnsavalueof8,allwaveformsizesmustbeamultipleof8.
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minwaveformsizeReturnstheminimumnumberofpointsthefunctiongeneratorallowsinawaveform.ThedriverobtainsthisvaluefromtheIviFgenMinWaveformSize[ARB]property.maxwaveformsizeReturnsthemaximumnumberofpointsthefunctiongeneratorallowsinawaveform.ThedriverobtainsthisvaluefromtheIviFgenMaxWaveformSize[ARB]property.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenSendSoftwareTriggerIviFgenSoftwareTriggerCapabilityGroup[SWT]ThisVIsendsacommandtotriggertheinstrument.YoumustsatisfycertainconditionsbeforeyoucansuccessfullycallthisVI,TheIviFgenTriggerSourceissettoIVIDMM_VAL_SOFTWARE_TRIG.Ifthisconditionisnottrue,thisVIdoesnotsendthesoftwaretriggerandreturnstheerrorIVIFGEN_ERROR_TRIGGER_NOT_SOFTWARE.ThisVIdoesnotchecktheinstrumentstatus.Typically,theend-usercallsthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Theend-userusesthelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Tochecktheinstrumentstatus,calltheIviFgenError-QueryVIattheconclusionofthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviFgenInitializeorIviFgenInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviFgenPropertiesExpandthisbooktoviewanalphabetizedlistofIviFgenproperties.
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IviFgenAMEnabled[AM]IviFgenModulateAMProperty[AM]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureAMEnabled
DescriptionThischannel-basedpropertyspecifieswhetherthefunctiongeneratorappliesamplitudemodulationtotheoutputsignal.PropertyNodePathIviFgen»AmplitudeModulation»AMEnabled[AM]
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IviFgenAMInternalDepth[AM]IviFgenModulateAMProperty[AM]DataType Access Appliesto Coercion HighLevelVIs
R/W N/A N/A IviFgenConfigureAMInternal
DescriptionSpecifiestheextentofmodulationthefunctiongeneratorappliestothecarriersignal.Theunitsareapercentageoffullmodulation.At0%depth,theoutputamplitudeequalsthecarriersignal'samplitude.At100%depth,theoutputamplitudeequalstwicethecarriersignal'samplitude.ThispropertyaffectsfunctiongeneratorbehavioronlywhentheIviFgenAMSource[AM]propertyissettoIVIFGEN_VAL_AM_INTERNAL.PropertyNodePathIviFgen»AmplitudeModulation»AMInternalDepth[AM]
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IviFgenAMInternalFrequencyIviFgenModulateAMProperty[AM]DataType Access Appliesto Coercion HighLevelVIs
R/W N/A N/A IviFgenConfigureAMInternal
DescriptionSpecifiesthefrequencyofthestandardwaveformthatthefunctiongeneratorusestomodulatetheoutputsignal.Theunitsarehertz(Hz).ThispropertyaffectsfunctiongeneratorbehavioronlywhentheIviFgenAMSource[AM]propertyissettoIVIFGEN_VAL_AM_INTERNAL.PropertyNodePathIviFgen»AmplitudeModulation»AMInternalFrequency
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IviFgenAMInternalWaveform[AM]IviFgenModulateAMProperty[AM]DataType Access Appliesto Coercion HighLevelVIs
R/W N/A N/A IviFgenConfigureAMInternal
DescriptionSpecifiesthestandardwaveformtypethatthefunctiongeneratorusestomodulatetheoutputsignal.ThispropertyaffectsfunctiongeneratorbehavioronlywhentheIviFgenAMSource[AM]propertyissettoIVIFGEN_VAL_AM_INTERNAL.PropertyNodePathIviFgen»AmplitudeModulation»AMInternalWaveform[AM]DefinedValuesIVIFGEN_VAL_AM_INTERNAL_SINEIVIFGEN_VAL_AM_INTERNAL_SQUAREIVIFGEN_VAL_AM_INTERNAL_TRIANGLEIVIFGEN_VAL_AM_INTERNAL_RAMP_UPIVIFGEN_VAL_AM_INTERNAL_RAMP_DOWN
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IviFgenAMSource[AM]IviFgenModulateAMProperty[AM]DataType Access Appliesto Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureAMSource
DescriptionThischannel-basedpropertyspecifiesthesignalthatthefunctiongeneratorusestomodulatetheoutputsignal.PropertyNodePathIviFgen»AmplitudeModulation»AMSource[AM]DefinedValuesIVIFGEN_VAL_AM_INTERNALIVIFGEN_VAL_AM_EXTERNAL
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IviFgenArbFrequency[AF]IviFgenArbFrequencyProperty[AF]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureArbFrequency
DescriptionSpecifiestherateatwhichthefunctiongeneratoroutputsanentirearbitrarywaveform.Theunitsarearbitrarywaveformspersecond.YouusethispropertywhentheIviFgenOutputModepropertyissettoIVIFGEN_VAL_OUTPUT_ARB.PropertyNodePathIviFgen»ArbitraryWaveformOutput»ArbitraryWaveformFrequency»ArbFrequency[AF]
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IviFgenArbSampleRate[ARB]IviFgenArbWfmProperty[ARB]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A N/A IviFgenConfigureSampleRate[ARB]
DescriptionSpecifiestherateatwhichthefunctiongeneratoroutputsthepointsinarbitrarywaveforms.Theunitsaresamplespersecond.YouusethispropertywhentheIviFgenOutputModepropertyissettoIVIFGEN_VAL_OUTPUT_ARBorIVIFGEN_VAL_OUTPUT_SEQ.PropertyNodePathIviFgen»ArbitraryWaveformOutput»ArbSampleRate[ARB]
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IviFgenArbitrarySequenceHandle[SEQ]IviFgenArbSeqProperty[SEQ]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureArbitrarySequence
DescriptionThischannel-basedpropertyidentifieswhichsequencethefunctiongeneratorproduces.YoucancreatemultiplesequencesusingtheIviFgenCreateArbitrarySequence[SEQ]VI.TheCreateArbitrarySequence[SEQ]VIreturnsahandlethatyouusetoidentifytheparticularsequence.Toconfigurethefunctiongeneratortoproduceaparticularsequence,yousetthispropertytothesequence'shandle.YouusethispropertyonlywhentheIviFgenOutputModepropertyissettoIVIFGEN_VAL_OUTPUT_SEQ.PropertyNodePathIviFgen»ArbitrarySequenceOutput»ArbitrarySequenceHandle[SEQ]
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IviFgenArbitraryWaveformGain[ARB]IviFgenArbWfmProperty[ARB]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureArbitraryWaveform[ARB]
DescriptionThischannel-basedpropertyspecifiesthefactorbywhichthefunctiongeneratorscalesthearbitrarywaveformdata.Whenyoucreatearbitrarywaveforms,youmustfirstnormalizethedatapointstotherange–1.0to+1.0.Youusethispropertytoscalethearbitrarywaveformtootherranges.Forexample,whenyousetthispropertyto2.0,theoutputsignalrangesfrom–2.0to+2.0V.YouusethispropertywhentheIviFgenOutputModepropertyissettoIVIFGEN_VAL_OUTPUT_ARBorIVIFGEN_VAL_OUTPUT_SEQ.PropertyNodePathIviFgen»ArbitraryWaveformOutput»ArbitraryWaveformGain[ARB]
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IviFgenArbitraryWaveformHandle[ARB]IviFgenArbWfmProperty[ARB]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureArbitraryWaveform[ARB]
DescriptionThischannel-basedpropertyidentifieswhicharbitrarywaveformthefunctiongeneratorproduces.YoucancreatemultiplearbitrarywaveformsusingtheIviFgenCreateArbitraryWaveformVI.TheCreateArbitraryWaveform[ARB]VIreturnsahandlethatyouusetoidentifytheparticularwaveform.Toconfigurethefunctiongeneratortoproduceaparticularwaveform,yousetthispropertytothewaveform'shandle.YouusethispropertyonlywhentheIviFgenOutputModepropertyissettoIVIFGEN_VAL_OUTPUT_ARB.PropertyNodePathIviFgen»ArbitraryWaveformOutput»ArbitraryWaveformHandle[ARB]
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IviFgenArbitraryWaveformOffset[ARB]IviFgenArbWfmProperty[ARB]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureArbitraryWaveform[ARB]
DescriptionThischannel-basedpropertyspecifiesthevaluethefunctiongeneratoraddstothearbitrarywaveformdata.Whenyoucreatearbitrarywaveforms,youmustfirstnormalizethedatapointstotherange–1.0to+1.0.Youusethispropertytoshiftthearbitrarywaveform'srange.Theunitsarevolts(V).Forexample,whenyousetthispropertyto1.0,theoutputsignalrangesfrom2.0Vto0.0V.YouusethispropertywhentheIviFgenOutputModepropertyissettoIVIFGEN_VAL_OUTPUT_ARBorIVIFGEN_VAL_OUTPUT_SEQ.PropertyNodePathIviFgen»ArbitraryWaveformOutput»ArbitraryWaveformOffset[ARB]
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IviFgenBurstCount[BST]IviFgenBurstProperty[BST]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureBurstCount
DescriptionThischannel-basedpropertyspecifiesthenumberofwaveformcyclesthatthefunctiongeneratorproducesafteritreceivesatrigger.ThispropertyaffectsfunctiongeneratorbehavioronlywhentheIviFgenOperationModepropertyissettoIVIFGEN_VAL_OPERATE_BURST.PropertyNodePathIviFgen»BurstOperation»BurstCount[BST]
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IviFgenChannelCountIviFgenBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO N/A None None
DescriptionReturnsthenumberofchannelsavailableontheinstrument.PropertyNodePathIviFgen»InherentIVISettings»SpecificDriverCapabilities»ChannelCount
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IviFgenDCOffset[STD]IviFgenStdFuncProperty[STD]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureStandardWaveform
DescriptionThischannel-basedpropertyspecifiestheDCoffsetofthestandardwaveformthefunctiongeneratorproduces.Thisvalueistheoffsetattheoutputterminal.Theunitsarevolts(V).ThevalueistheoffsetfromgroundtothecenterofthewaveformyouspecifywiththeIviFgenWaveform[STD]property.Forexample,astandardwaveformrangingfrom+5.0Vto0.0VhasaDCoffsetof2.5V.YouusethispropertyonlywhentheIviFgenOutputModepropertyissettoIVIFGEN_VAL_OUTPUT_FUNC.PropertyNodePathIviFgen»StandardFunctionOutput»DCOffset[STD]
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IviFgenDutyCycleHigh[STD]IviFgenStdFuncProperty[STD]DataType Access Appliesto Coercion HighLevelVIs
R/W Channel N/A None
DescriptionThischannel-basedpropertyspecifiesthelengthoftimetheoutputvoltagelevelremainshighinasquarewaveform.Youspecifythispropertyasapercentageofonewaveformcycle.YouusethispropertyonlywhentheIviFgenOutputModepropertyissettoIVIFGEN_VAL_OUTPUT_FUNCandtheIviFgenWaveform[STD]propertytoIVIFGEN_VAL_WFM_SQUARE.PropertyNodePathIviFgen»StandardFunctionOutput»DutyCycleHigh[STD]
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IviFgenFMEnabled[FM]IviFgenModulateFMProperty[FM]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureFMEnabled
DescriptionSpecifieswhetherthefunctiongeneratorappliesfrequencymodulationtotheoutputsignal.PropertyNodePathIviFgen»FrequencyModulation»FMEnabled[FM]
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IviFgenFMInternalFrequency[FM]IviFgenModulateFMProperty[FM]DataType Access Appliesto Coercion HighLevelVIs
R/W N/A N/A IviFgenConfigureFMInternal
DescriptionSpecifiesthefrequencyofthestandardwaveformthatthefunctiongeneratorusestomodulatetheoutputsignal.Theunitsarehertz(Hz).ThispropertyaffectsfunctiongeneratorbehavioronlywhentheIviFgenFMSource[FM]propertyissettoIVIFGEN_VAL_FM_INTERNAL.PropertyNodePathIviFgen»FrequencyModulation»FMInternalFrequency[FM]
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IviFgenFMInternalWaveformIviFgenModulateFMPropertyDataType Access Appliesto Coercion HighLevelVIs
R/W N/A N/A IviFgenConfigureFMInternal
DescriptionSpecifiesthestandardwaveformtypethatthefunctiongeneratorusestomodulatetheoutputsignal.ThispropertyaffectsfunctiongeneratorbehavioronlywhentheIviFgenFMSourcepropertyissettoIVIFGEN_VAL_FM_INTERNAL.PropertyNodePathIviFgen»FrequencyModulation»FMInternalWaveformDefinedValuesIVIFGEN_VAL_FM_INTERNAL_SINEIVIFGEN_VAL_FM_INTERNAL_SQUAREIVIFGEN_VAL_FM_INTERNAL_TRIANGLEIVIFGEN_VAL_FM_INTERNAL_RAMP_UPIVIFGEN_VAL_FM_INTERNAL_RAMP_DOWN
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IviFgenFMInternalDeviation[FM]IviFgenModulateFMProperty[FM]DataType Access Appliesto Coercion HighLevelVIs
R/W N/A N/A IviFgenConfigureFMInternal
DescriptionSpecifiesthemaximumfrequencydeviationthemodulatingwaveformappliestothecarrierwaveform.Thisdeviationcorrespondstothemaximumamplitudelevelofthemodulatingsignal.Theunitsarehertz(Hz).ThispropertyaffectsfunctiongeneratorbehavioronlywhentheIviFgenFMSource[FM]propertyissettoIVIFGEN_VAL_FM_INTERNAL.PropertyNodePathIviFgen»FrequencyModulation»FMInternalDeviation[FM]
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IviFgenFMSource[FM]IviFgenModulateFMProperty[FM]DataType Access Appliesto Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureFMSource
DescriptionSpecifiesthesignalthefunctiongeneratorusestomodulatetheoutputsignal.PropertyNodePathIviFgen»FrequencyModulation»FMSource[FM]DefinedValuesIVIFGEN_VAL_FM_INTERNALIVIFGEN_VAL_FM_EXTERNAL
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IviFgenFrequency[STD]IviFgenStdFuncProperty[STD]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureStandardWaveform
DescriptionThischannel-basedpropertyspecifiesthefrequencyofthestandardwaveformthefunctiongeneratorproduces.Theunitsarehertz(Hz).YouusethispropertyonlywhentheIviFgenOutputModepropertyissettoIVIFGEN_VAL_OUTPUT_FUNC.ThispropertydoesnotaffectfunctiongeneratorbehaviorwhenyousettheIviFgenWaveform[STD]propertytoIVIFGEN_VAL_WFM_DC.PropertyNodePathIviFgen»StandardFunctionOutput»Frequency[STD]
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IviFgenFuncAmplitude[STD]IviFgenStdFuncProperty[STD]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureStandardWaveform
DescriptionThischannel-basedpropertyspecifiestheamplitudeofthestandardwaveformthefunctiongeneratorproduces.Thisvalueistheamplitudeattheoutputterminal.Theunitsarevoltspeak-to-peak(Vpp).Forexample,toproduceawaveformrangingfrom–5.0to+5.0V,yousetthisvalueto10.0V.YouusethispropertyonlywhentheIviFgenOutputModepropertyissettoIVIFGEN_VAL_OUTPUT_FUNC.ThispropertydoesnotaffectfunctiongeneratorbehaviorwhenyousettheIviFgenWaveform[STD]propertytoIVIFGEN_VAL_WFM_DC.PropertyNodePathIviFgen»StandardFunctionOutput»FuncAmplitude[STD]
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IviFgenInternalTriggerRate[IT]IviFgenInternalTriggerProperty[ITRG]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureInternalTriggerRate
DescriptionThispropertyspecifiestherateatwhichthefunctiongenerator'sinternaltriggersourceproducesatrigger,intriggerspersecond.ThispropertyaffectsfunctiongeneratorbehavioronlywhentheIviFgenTriggerSource[TRG]propertyissettoIVIFGEN_VAL_INTERNAL_TRIGGERonachannel.PropertyNodePathIviFgen»Triggering»InternalTrigger»InternalTriggerRate[IT]
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IviFgenMaxLoopCount[SEQ]IviFgenArbSeqProperty[SEQ]DataType Access Applies
to Coercion HighLevelVIs
RO N/A N/A IviFgenQueryArbSequenceCapabilities
DescriptionReturnsthemaximumnumberoftimesthefunctiongeneratorcanrepeatawaveforminasequence.Typically,thisvalueisconstantforthefunctiongenerator.PropertyNodePathIviFgen»ArbitrarySequenceOutput»MaxLoopCount
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IviFgenMaxNumberofSequences[SEQ]IviFgenArbSeqProperty[SEQ]DataType Access Applies
to Coercion HighLevelVIs
RO N/A N/A IviFgenQueryArbSequenceCapabilities
DescriptionReturnsthemaximumnumberofarbitrarysequencesthefunctiongeneratorallows.Typically,thisvalueisconstantforthefunctiongenerator.PropertyNodePathIviFgen»ArbitrarySequenceOutput»MaxNumberofSequences[SEQ]
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IviFgenMaxNumberofWaveforms[ARB]IviFgenArbWfmProperty[ARB]DataType Access Applies
to Coercion HighLevelVIs
RO N/A N/A IviFgenQueryArbWaveformCapabilities
DescriptionReturnsthemaximumnumberofarbitrarywaveformsthatthefunctiongeneratorallows.Typically,thisvalueisconstantforthefunctiongenerator.PropertyNodePathIviFgen»ArbitraryWaveformOutput»MaxNumberofWaveforms[ARB]
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IviFgenMaxSequenceLength[SEQ]IviFgenArbSeqProperty[SEQ]DataType Access Applies
to Coercion HighLevelVIs
RO N/A N/A IviFgenQueryArbSequenceCapabilities
DescriptionReturnsthemaximumnumberofarbitrarywaveformsthefunctiongeneratorallowsinasequence.Typically,thisvalueisconstantforthefunctiongenerator.PropertyNodePathIviFgen»ArbitrarySequenceOutput»MaxSequenceLength[SEQ]
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IviFgenMaxWaveformSize[ARB]IviFgenArbWfmProperty[ARB]DataType Access Applies
to Coercion HighLevelVIs
RO N/A N/A IviFgenQueryArbWaveformCapabilities
DescriptionReturnsthemaximumnumberofpointsthefunctiongeneratorallowsinanarbitrarywaveform.Typically,thisvalueisconstantforthefunctiongenerator.PropertyNodePathIviFgen»ArbitraryWaveformOutput»MaxWaveformSize[ARB]
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IviFgenMinSequenceLength[SEQ]IviFgenArbSeqProperty[SEQ]DataType Access Applies
to Coercion HighLevelVIs
RO N/A N/A IviFgenQueryArbSequenceCapabilities
DescriptionReturnstheminimumnumberofarbitrarywaveformsthefunctiongeneratorallowsinasequence.Typically,thisvalueisconstantforthefunctiongenerator.PropertyNodePathIviFgen»ArbitrarySequenceOutput»MinSequenceLength[SEQ]
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IviFgenMinWaveformSize[ARB]IviFgenArbWfmProperty[ARB]DataType Access Applies
to Coercion HighLevelVIs
RO N/A N/A IviFgenQueryArbWaveformCapabilities
DescriptionReturnstheminimumnumberofpointsthefunctiongeneratorallowsinanarbitrarywaveform.Typically,thisvalueisconstantforthefunctiongenerator.PropertyNodePathIviFgen»ArbitraryWaveformOutput»MinWaveformSize[ARB]
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IviFgenOperationModeIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureOperationMode
DescriptionThispropertyspecifieshowthefunctiongeneratorproduceswaveforms.Forexample,youcanconfiguretheinstrumenttogenerateoutputcontinuously,ortogenerateadiscretenumberofwaveformcyclesbasedonatriggerevent.PropertyNodePathIviFgen»BasicOperation»OperationModeDefinedValuesIVIFGEN_VAL_OPERATE_CONTINUOUSIVIFGEN_VAL_OPERATE_BURST
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IviFgenOutputEnabledIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureOutputEnabled
DescriptionThischannel-basedpropertyspecifieswhetherthesignalthefunctiongeneratorproducesappearsattheoutputconnector.PropertyNodePathIviFgen»BasicOperation»OutputEnabled
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IviFgenOutputImpedanceIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureOutputImpedance
DescriptionThischannel-basedpropertyspecifiesthefunctiongenerator'soutputimpedanceattheoutputconnector.PropertyNodePathIviFgen»BasicOperation»OutputImpedance
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IviFgenOutputModeIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A N/A IviFgenConfigureOperationMode
DescriptionDeterminesthekindofwaveformthefunctiongeneratorproduces.ThevalueyouspecifydetermineswhichVIsandpropertiesyouusetoconfigurethewaveformthefunctiongeneratorproduces.WhenyousetthispropertytoIVIFGEN_VAL_OUTPUT_FUNC,usethefollowingpropertiesandVIstoconfigurestandardwaveforms:IviFgenWaveform[STD]IviFgenFuncAmplitude[STD]IviFgenDCOffset[STD]IviFgenFrequency[STD]IviFgenStartPhase[STD]IviFgenDutyCycleHigh[STD]IviFgenConfigureStandardWaveform[STD]WhenyousetthispropertytoIVIFGEN_VAL_OUTPUT_ARB,usethefollowingpropertiesandVIstoconfigurearbitrarywaveforms:IviFgenArbitraryWaveformHandle[ARB]IviFgenArbitraryWaveformGain[ARB]IviFgenArbitraryWaveformOffset[ARB]IviFgenConfigureSampleRate[ARB]IviFgenCreateArbitraryWaveform[ARB]IviFgenClearArbitraryWaveform[ARB]IviFgenConfigureArbitraryWaveform[ARB]Ifyourinstrumentallowsyoutospecifytherateatwhichanentirearbitrarywaveformisgenerated,youcanalsousethefollowing
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propertiesandVIstoconfigurearbitrarywaveforms:IviFgenArbFrequency[AF]IviFgenConfigureArbFrequency[AF]WhenyousetthispropertytoIVIFGEN_VAL_OUTPUT_SEQ,usethefollowingpropertiesandVIstoconfiguresequences:IviFgenArbitrarySequenceHandle[SEQ]IviFgenArbitraryWaveformGain[ARB]IviFgenArbitraryWaveformOffset[ARB]IviFgenConfigureSampleRate[ARB]IviFgenCreateArbitrarySequence[SEQ]IviFgenClearArbitrarySequence[SEQ]IviFgenClearArbitraryMemory[SEQ]IviFgenConfigureArbitrarySequence[SEQ]PropertyNodePathIviFgen»BasicOperation»OutputModeDefinedValuesIVIFGEN_VAL_OUTPUT_FUNCIVIFGEN_VAL_OUTPUT_ARBIVIFGEN_VAL_OUTPUT_SEQ
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IviFgenReferenceClockSourceIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A N/A IviFgenConfigureRefClockSource
DescriptionSpecifiesthereferenceclocksource.Thefunctiongeneratorderivesfrequenciesandsampleratesthatitusestogeneratewaveformsfromthesourceyouspecify.PropertyNodePathIviFgen»BasicOperation»ReferenceClockSourceDefinedValuesIVIFGEN_VAL_REF_CLOCK_INTERNALIVIFGEN_VAL_REF_CLOCK_EXTERNALIVIFGEN_VAL_REF_CLOCK_RTSI_CLOCK
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IviFgenStartPhase[STD]IviFgenStdFuncProperty[STD]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureStandardWaveform
DescriptionThischannel-basedpropertyspecifiesthehorizontaloffsetofthestandardwaveformthefunctiongeneratorproduces.Youspecifythispropertyindegreesofonewaveformcycle.Forexample,a180degreephaseoffsetmeansoutputgenerationbeginshalfwaythroughthewaveform.Astartphaseof360degreesoffsetstheoutputbyanentirewaveformcycle.Itisthereforeidenticaltoastartphaseof0degrees.YouusethispropertyonlywhentheIviFgenOutputModepropertyissettoIVIFGEN_VAL_OUTPUT_FUNC.ThispropertydoesnotaffectfunctiongeneratorbehaviorwhenyousettheIviFgenWaveform[STD]propertytoIVIFGEN_VAL_WFM_DC.PropertyNodePathIviFgen»StandardFunctionOutput»StartPhase[STD]
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IviFgenTriggerSource[TRG]IviFgenTriggerProperty[TRG]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureTriggerSource
DescriptionThischannel-basedpropertyspecifiesthetriggersource.Afterthefunctiongeneratorreceivesatrigger,itgeneratesanoutputsignalbasedontheoperationmode.PropertyNodePathIviFgen»Triggering»TriggerSource[TRG]DefinedValuesIVIFGEN_VAL_EXTERNALIVIFGEN_VAL_INTERNAL_TRIGGERIVIFGEN_VAL_TTL0IVIFGEN_VAL_TTL1IVIFGEN_VAL_TTL2IVIFGEN_VAL_TTL3IVIFGEN_VAL_TTL4IVIFGEN_VAL_TTL5IVIFGEN_VAL_TTL6IVIFGEN_VAL_TTL7IVIFGEN_VAL_ECL0IVIFGEN_VAL_ECL1IVIFGEN_VAL_PXI_STARIVIFGEN_VAL_RTSI_0IVIFGEN_VAL_RTSI_1IVIFGEN_VAL_RTSI_2
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IVIFGEN_VAL_RTSI_3IVIFGEN_VAL_RTSI_4IVIFGEN_VAL_RTSI_5IVIFGEN_VAL_RTSI_6
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IviFgenWaveform[STD]IviFgenStdFuncProperty[STD]DataType Access Applies
to Coercion HighLevelVIs
R/W Channel N/A IviFgenConfigureStandardWaveform
DescriptionThischannel-basedpropertyspecifieswhichstandardwaveformthefunctiongeneratorproduces.Refertothediagramsofstandardwaveforms.YouusethispropertyonlywhentheIviFgenOutputModepropertyissettoIVIFGEN_VAL_OUTPUT_FUNC.PropertyNodePathIviFgen»StandardFunctionOutput»Waveform[STD]DefinedValuesIVIFGEN_VAL_WFM_SINEIVIFGEN_VAL_WFM_SQUAREIVIFGEN_VAL_WFM_TRIANGLEIVIFGEN_VAL_WFM_RAMP_UPIVIFGEN_VAL_WFM_RAMP_DOWNIVIFGEN_VAL_WFM_DC
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IviFgenWaveformQuantum[ARB]IviFgenArbWfmProperty[ARB]DataType Access Applies
to Coercion HighLevelVIs
RO N/A N/A IviFgenQueryArbWaveformCapabilities
DescriptionThesizeofeacharbitrarywaveformmustbeamultipleofaquantumvalue.Thispropertyreturnsthequantumvaluethefunctiongeneratorallows.Forexample,whenthispropertyreturnsavalueof8,allwaveformsizesmustbeamultipleof8.Typically,thisvalueisconstantforthefunctiongenerator.PropertyNodePathIviFgen»ArbitraryWaveformOutput»WaveformQuantum[ARB]
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IviFgenDefinedValuesExpandthisbooktoviewanalphabetizedlistofIviFgendefinedvalues.
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IVIFGEN_VAL_AM_EXTERNALThefunctiongeneratorusesawaveformfromanexternalsourcetoamplitudemodulatetheoutputsignal.DefinedValue:1
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IVIFGEN_VAL_AM_INTERNALThefunctiongeneratorusesaninternallygeneratedwaveformtoamplitudemodulatetheoutputsignal.DefinedValue:0
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IVIFGEN_VAL_AM_INTERNAL_RAMP_DOWNThefunctiongeneratoramplitudemodulatesthecarriersignalwithanegativerampwaveform.DefinedValue:5
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IVIFGEN_VAL_AM_INTERNAL_RAMP_UPThefunctiongeneratoramplitudemodulatesthecarriersignalwithapositiverampwaveform.DefinedValue:4
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IVIFGEN_VAL_AM_INTERNAL_SINEThefunctiongeneratoramplitudemodulatesthecarriersignalwithasinusoidwaveform.DefinedValue:1
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IVIFGEN_VAL_AM_INTERNAL_SQUAREThefunctiongeneratoramplitudemodulatesthecarriersignalwithasquarewaveform.DefinedValue:2
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IVIFGEN_VAL_AM_INTERNAL_TRIANGLEThefunctiongeneratoramplitudemodulatesthecarriersignalwithatriangularwaveform.DefinedValue:3
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IVIFGEN_VAL_ECL0ThefunctiongeneratorwaitsuntilitreceivesatriggerontheECL0line.DefinedValue:119
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IVIFGEN_VAL_ECL1ThefunctiongeneratorwaitsuntilitreceivesatriggerontheECL1line.DefinedValue:120
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IVIFGEN_VAL_EXTERNALThefunctiongeneratordoesnotproduceanoutputsignaluntilitreceivesatriggeronitsexternaltriggerinputterminal.DefinedValue:1
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IVIFGEN_VAL_FM_EXTERNALThefunctiongeneratorusesawaveformfromanexternalsourcetofrequencymodulatetheoutputsignal.DefinedValue:1
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IVIFGEN_VAL_FM_INTERNALThefunctiongeneratorusesaninternallygeneratedwaveformtofrequencymodulatetheoutputsignal.DefinedValue:0
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IVIFGEN_VAL_FM_INTERNAL_RAMP_DOWNThefunctiongeneratorfrequencymodulatesthecarriersignalwithanegativerampwaveform.DefinedValue:5
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IVIFGEN_VAL_FM_INTERNAL_RAMP_UPThefunctiongeneratorfrequencymodulatesthecarriersignalwithapositiverampwaveform.DefinedValue:4
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IVIFGEN_VAL_FM_INTERNAL_SINEThefunctiongeneratorfrequencymodulatesthecarriersignalwithasinusoidwaveform.DefinedValue:1
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IVIFGEN_VAL_FM_INTERNAL_SQUAREThefunctiongeneratorfrequencymodulatesthecarriersignalwithasquarewaveform.DefinedValue:2
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IVIFGEN_VAL_FM_INTERNAL_TRIANGLEThefunctiongeneratorfrequencymodulatesthecarriersignalwithatriangularwaveform.DefinedValue:3
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IVIFGEN_VAL_INTERNAL_TRIGGERThefunctiongeneratorwaitsuntilitreceivesatriggerfromitsinternaltriggersource.DefinedValue:3
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IVIFGEN_VAL_OPERATE_BURSTThefunctiongeneratorproducesadiscreetnumberofwaveformswhenatriggereventoccurs.DefinedValue:1
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IVIFGEN_VAL_OPERATE_CONTINUOUSThefunctiongeneratorproducesoutputcontinuously.DefinedValue:0
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IVIFGEN_VAL_OUTPUT_ARBThedriverusesthepropertiesandfunctionsoftheIviFgenArbWfmExtensionGrouptoconfigurethefunctiongenerator'soutputsignal.DefinedValue:1
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IVIFGEN_VAL_OUTPUT_FUNCThedriverusesthepropertiesandfunctionsoftheIviFgenStdFuncextensiongrouptoconfigurethefunctiongenerator'soutputsignal.DefinedValue:0
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IVIFGEN_VAL_OUTPUT_SEQThedriverusesthepropertiesandfunctionsoftheIviFgenArbWfmandIviFgenArbSeqExtensionGroupstogethertoconfigurethefunctiongenerator'soutputsignal.DefinedValue:2
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IVIFGEN_VAL_PXI_STARThefunctiongeneratorwaitsuntilitreceivesatriggeronthePXIStarbus.DefinedValue:131
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IVIFGEN_VAL_REF_CLOCK_EXTERNALThefunctiongeneratorreceivesthereferenceclocksignalfromanexternalsource.DefinedValue:1
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IVIFGEN_VAL_REF_CLOCK_INTERNALThefunctiongeneratorproducesthereferenceclocksignalinternally.DefinedValue:0
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IVIFGEN_VAL_REF_CLOCK_RTSI_CLOCKThefunctiongeneratorreceivesthereferenceclocksignalfromtheRTSIclocksource.DefinedValue:101
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IVIFGEN_VAL_REF_CLOCK_RTSI_CLOCKThefunctiongeneratorreceivesthereferenceclocksignalfromtheRTSIclocksource.DefinedValue:101
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IVIFGEN_VAL_RTSI_0ThefunctiongeneratorwaitsuntilitreceivesatriggerontheRTSI0line.DefinedValue:141
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IVIFGEN_VAL_RTSI_1ThefunctiongeneratorwaitsuntilitreceivesatriggerontheRTSI1line.DefinedValue:142
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IVIFGEN_VAL_RTSI_2ThefunctiongeneratorwaitsuntilitreceivesatriggerontheRTSI2line.DefinedValue:143
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IVIFGEN_VAL_RTSI_3ThefunctiongeneratorwaitsuntilitreceivesatriggerontheRTSI3line.DefinedValue:144
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IVIFGEN_VAL_RTSI_4ThefunctiongeneratorwaitsuntilitreceivesatriggerontheRTSI4line.DefinedValue:145
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IVIFGEN_VAL_RTSI_5ThefunctiongeneratorwaitsuntilitreceivesatriggerontheRTSI5line.DefinedValue:146
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IVIFGEN_VAL_RTSI_6ThefunctiongeneratorwaitsuntilitreceivesatriggerontheRTSI6line.DefinedValue:147
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IVIFGEN_VAL_SOFTWARE_TRIGThefunctiongeneratordoesnotproduceanoutputsignaluntiltheIviFgen_SendSoftwareTriggerfunctioniscalled.IfyousettheIVIFGEN_ATTR_TRIGGER_SOURCEpropertytothisvalue,theinstrumentcanonlybetriggeredbycallingtheIviFgen_SendSoftwareTriggerfunction.DefinedValue:2
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IVIFGEN_VAL_TTL0ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTLL0line.DefinedValue:111
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IVIFGEN_VAL_TTL1ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTLL1line.DefinedValue:112
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IVIFGEN_VAL_TTL2ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTLL2line.DefinedValue:113
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IVIFGEN_VAL_TTL3ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTLL3line.DefinedValue:114
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IVIFGEN_VAL_TTL4ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTLL4line.DefinedValue:115
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IVIFGEN_VAL_TTL5ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTLL5line.DefinedValue:116
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IVIFGEN_VAL_TTL6ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTTL6line.DefinedValue:117
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IVIFGEN_VAL_TTL7ThefunctiongeneratorwaitsuntilitreceivesatriggerontheTTL7line.DefinedValue:118
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IVIFGEN_VAL_WFM_DCConfiguresthefunctiongeneratortoproduceaconstantvoltage.DefinedValue:6
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IVIFGEN_VAL_WFM_RAMP_DOWNConfiguresthefunctiongeneratortoproduceanegativerampwaveform.DefinedValue:5
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IVIFGEN_VAL_WFM_RAMP_UPConfiguresthefunctiongeneratortoproduceapositiverampwaveform.DefinedValue:4
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IVIFGEN_VAL_WFM_SINEConfiguresthefunctiongeneratortoproduceasinusoidwaveform.DefinedValue:1
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IVIFGEN_VAL_WFM_SQUAREConfiguresthefunctiongeneratortoproduceasquarewaveform.DefinedValue:2
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IVIFGEN_VAL_WFM_TRIANGLEConfiguresthefunctiongeneratortoproduceatriangularwaveform.DefinedValue:3
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PropertiesforControllingIviFgenSimulationNoteYoucansetSimulationAttributesinMAXontheInitialSettingstabofIVIDrivers»Advanced»SimulationDriverSessions»nisIviClassorinthesimulationinteractivepanels.RefertoNationalInstrumentsIVIDriverHelp»ConfiguringYourSystemformoreinformation.
TwosetsofpropertiesexistforusewiththeIviFgenSimulationDriver.Thefollowingtabledescribespropertiesthatcontrolbehaviorofthedriver.AnothertablelistspropertiesthatsimulatethestatusofspecificdriverVIs.
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PropertiesforControllingIviFgenSimulationName Data
TypeAccess Applies
toDescription
INTERACTIVE_SIMULATION Boolean W No Specifieswhethertosetthedrivertointeractivemode.Ininteractivemode,thesimulationdriverusespop-upuserinterfacepanelsforgettinginformationfromyou.Non-interactivemodeisusefulwhenyoudonotwanttheinteractivepanelstointerruptyourtestprogram.
SELF_TEST_CODE Integer W No Specifiestheself-testcode.WhentheIviFgenSelf-TestVIiscalled,theself-testresultparameterreturnsthis
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value.SELF_TEST_MSG String W No Specifiesthe
self-testmessage.WhentheIviFgenSelf-TestVIiscalled,theself-testmessageparameterreturnsthisstring.
ERROR_QUERY_CODE Integer W No Specifiestheerror-querycode.WhentheIviFgenError-QueryVIiscalled,theerrorcodeparameterreturnsthisvalue.
ERROR_QUERY_MSG String W No Specifiestheerror-querymessage.WhentheIviFgenError-QueryVIiscalled,theerrormessageparameterreturnsthisstring.
DRIVER_REV_QUERY String W No Specifiestheinstrument
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driverrevisionmessage.WhentheIviFgenRevisionQueryVIiscalled,theinstrumentdriverrevisionparameterreturnsthisstring.
INSTR_REV_QUERY String W No Specifiesthefirmwarerevisionmessage.WhentheIviFgenRevisionQueryVIiscalled,thefirmwarerevisionparameterreturnsthisstring.
SIMULATE_STATUS_CODE Boolean W No SpecifieswhethertosimulatereturncodesfromtheIviFgendriverVIs.RefertotheIviFgenPropertiesforStatusSimulation
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table.
RelatedTopicsSettingUpSimulatedErrorsSettingUpSimulationforVXIplug&playVIs
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PropertiesforStatusSimulationinIviFgenWhenanIviFgendriverVIiscalled,thedriverquerieswhetherNISFGEN_ATTR_SIMULATE_STATUS_CODEisenabled.Ifenabled,thedrivergetstheappropriateVI'ssimulationstatuscode.Ifthevalueofthesimulationstatuscoderepresentsawarning(hasapositivevalue),thenitisreturnedastheVI'sreturnstatusonlyifnoothererrororwarningoccurredbeforetheVIends.Ifthevalueofthesimulationstatuscoderepresentsanerror(hasanegativevalue),thenitisreturnedastheVI'sreturnstatusonlyifnoothererroroccurredbeforetheVIends.ThefollowingIviFgenVIsdonotsupportstatuscodesimulation:
IviFgenGetErrorIviFgenClearErrorIviFgenGetNextInterchangeWarningIviFgenResetNextInterchangeWarningIviFgenClearNextInterchangeWarningIviFgenGetNextCoercionRecord
EachVIsupportedbytheIviFgenclassdriverhasacorrespondingpropertythatdeterminesthestatuscodetoreturnwhenstatuscodesimulationisenabled.ThefollowingtableliststhestatuscodepropertiesandtheVIforwhichtheyreturnavalue.ThesepropertiesarealloftypeViInt32,non-readable,andnon-channelbased.
NoteInthefollowingtable,theliteralstringNISFGENprecedesallpropertynames.
IviFgenPropertiesforStatusSimulationProperty VIINIT_STATUS IviFgen
Initialize,IviFgenInitializeWithOptions
CLOSE_STATUS IviFgenCloseRESET_STATUS IviFgenResetSELF_TEST_STATUS IviFgenSelf-TestERROR_QUERY_STATUS IviFgenError-
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QueryERROR_MESSAGE_STATUS IviFgenError
MessageREVISION_QUERY_STATUS IviFgenRevision
QueryRESET_DEFAULT_STATUS IviFgenResetWith
DefaultsDISABLE_STATUS IviFgenDisableINVALIDATE_STATUS IviFgenInvalidate
AllAttributesGET_CH_NAME_STATUS IviFgenGet
ChannelNameABORT_GENERATION_STATUS IviFgenAbort
GenerationCONFIGURE_OPERATION_MODE_STATUS IviFgenConfigure
OperationModeCONFIGURE_OUTPUT_ENABLED_STATUS IviFgenConfigure
OutputEnabledCONFIGURE_OUTPUT_IMPEDANCE_STATUS IviFgenConfigure
OutputImpedanceCONFIGURE_OUTPUT_MODE_STATUS IviFgenConfigure
OutputModeCONFIGURE_REF_CLOC_SOURCE_STATUS IviFgenConfigure
RefClockSourceINITIATE_GENERATION_STATUS IviFgenInitiate
GenerationCONFIGURE_STANDARD_WAVEFORM_STATUS IviFgenConfigure
StandardWaveform
CLEAR_ARB_WAVEFORM_STATUS IviFgenClearArbitraryWfm
CONFIGURE_ARB_WAVEFORM_STATUS IviFgenConfigureArbitraryWfm
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CONFIGURE_SAMPLE_RATE_STATUS IviFgenConfigureSampleRate
CREATE_ARB_WAVEFORM_STATUS IviFgenCreateArbitraryWfm
QUERY_ARB_WFM_CAPABILITIES_STATUS IviFgenQueryArbWaveformCapabilities
CONFIGURE_ARB_FREQUENCY_STATUS IviFgenConfigureArbFrequency
CLEAR_ARB_MEMORY_STATUS IviFgenClearArbitraryMemory
CLEAR_ARB_SEQUENCE_STATUS IviFgenClearArbitrarySequence
CONFIGURE_ARB_SEQUENCE_STATUS IviFgenConfigureArbitrarySequence
CREATE_ARB_SEQUENCE_STATUS IviFgenCreateArbitrarySequence
QUERY_ARB_SEQ_CAPABILITIES_STATUS IviFgenQueryArbSequenceCapabilities
CONFIGURE_TRIGGER_SOURCE_STATUS IviFgenConfigureTriggerSource
CONFIGURE_INTERNAL_TRIGGER_RATE_STATUS IviFgenConfigureInternalTriggerRate
SEND_SOFTWARE_TRIGGER_STATUS IviFgenSendSoftwareTrigger
CONFIGURE_BURST_COUNT_STATUS IviFgenConfigureBurstCount
CONFIGURE_AM_ENABLED_STATUS IviFgenConfigureAMEnabled
CONFIGURE_AM_INTERNAL_STATUS IviFgenConfigureAMInternal
CONFIGURE_AM_SOURCE_STATUS IviFgenConfigure
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AMSourceCONFIGURE_FM_ENABLED_STATUS IviFgenConfigure
FMEnabledCONFIGURE_FM_INTERNAL_STATUS IviFgenConfigure
FMInternalCONFIGURE_FM_SOURCE_STATUS IviFgenConfigure
FMSource
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IviPwrMeterClassDriverReferenceforLabVIEWIviPwrMeterVIandPropertyReferenceVITreePropertiesbyGroupErrorandCompletionCodes
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IviPwrMeterClassDriverOverviewThisinstrumentdriverprovidesprogrammingsupportfortheIviPwrMeterClass.TheIviPwrMeterclassisdesignedtosupportthetypicalpowermeteraswellascommonextendedfunctionalityfoundinmorecomplexinstruments.TheIviPwrMeterclassconceptualizesapowermeterasaninstrumentthatcanmeasuretheaverageRFpowerofaninputsignalandcanbeappliedtoseveraldifferentinstruments.ThedrivercontainsalltheVIsrequiredintheIviPwrMeterspecificationdefinedbytheIVIFoundation.ThisdriverrequiresNI-VISAandtheIVICompliancePackagetobeinstalled.TheIviPwrMeterclassisdividedintoabasecapabilitygroupandseveralextensioncapabilitygroups.Thebasecapabilitygroupisusedtoconfigureapowermeterforatypicalmeasurement(thisincludessettingtheunits,theautorangemode,theautoaveragingmode,andthecorrectionfrequency),initiatingameasurement,andreturningameasuredvalue.Thebasecapabilitygroupsupportsbothsingleanddualchannelmeasurements.TheIviPwrMeterclassalsocontainsextensiongroupsthatconfiguretheadvancedtriggersettings,themanualrange,theaveragingcount,andthereferenceoscillatorofthepowermeter.Theclassalsocontainsextensiongroupsthatperformzerocorrectionandcalibration.
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IviPwrMeterExtensionCapabilityGroupsTheIviPwrMeterclassdriveridentifiesVIsandpropertiesthatbelongtoanextensiongroupwiththefollowingabbreviations.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandpropertiesthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverthatyouusemustimplementthoseextensions.
GroupName DescriptionIviPwrMeterChannelAcquisition Supportspowermetersthatcan
performsimultaneousmeasurementsontwoormorechannelsandfetchthemeasurementfromeachspecifiedchannel.IncludespropertiesforenablingachannelformeasurementandVIsforacquiringmeasurementsonaspecifiedchannel
IviPwrMeterManualRange Supportspowermetersthatcanmanuallyspecifytheupperandlowerlimitsofthemeasurementrange.IncludesVIsforconfiguringthemeasurementrange.
IviPwrMeterTriggerSource Supportspowermetersthatcanspecifyatriggersourceandatriggereventonwhichtotriggerameasurement.IncludesVIsforconfiguringthetriggersource.
IviPwrMeterInternalTrigger Supportspowermetersthatcantriggerinternallyonthemeasurementsignal.Itspecifiespropertiestoconfiguretheinternaltriggereventsource,triggerlevel,andthetriggerslope.IncludesVIsforconfiguringtheseproperties.
IviPwrMeterSoftwareTrigger Supportspowermetersthatcaninitiateameasurementbasedona
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softwaretriggersignal.Youcansendasoftwaretriggertocausethepowermetertotriggerameasurement.
IviPwrMeterAveragingCount Supportspowermetersthatcanfilterasignalbyaveragingitaspecifiednumberoftimesinmanualaveragingmode.DefinesanpropertyandVItospecifytheaveragingcount.
IviPwrMeterZeroCorrection Supportspowermetersthatcanperformazerocorrectiononaninputchannel.DefinesVIstoperformthezerocorrection.
IviPwrMeterDutyCycleCorrection Supportspowermetersthatperformadutycyclecorrection.IncludesVIsforenablingandconfiguringthedutycyclecorrection.
IviPwrMeterCalibration Supportspowermetersthatcanperformcalibrationforagivenpowersensor.DefinesVIstoperformthecalibration.
IviPwrMeterReferenceOscillator Supportspowermetersthatcanenableaninternalreferenceoscillator.DefinespropertiesthatconfigurethereferenceoscillatorandtheVIsthatsettheseproperties.
RelatedTopicIVIInherentClassCapabilities
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IviPwrMeterExtensionCapabilityGroupsTheIviPwrMeterclassdriveridentifiesVIsandpropertiesthatbelongtoanextensiongroupwiththefollowingabbreviations.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverthatyouusemustimplementthoseextensions.
GroupName DescriptionIviPwrMeterChannelAcquisition Supportspowermetersthatcan
performsimultaneousmeasurementsontwoormorechannelsandfetchthemeasurementfromeachspecifiedchannel.IncludespropertiesforenablingachannelformeasurementandVIsforacquiringmeasurementsonaspecifiedchannel.
IviPwrMeterManualRange Supportspowermetersthatcanmanuallyspecifytheupperandlowerlimitsofthemeasurementrange.IncludesVIsforconfiguringthemeasurementrange.
IviPwrMeterTriggerSource Supportspowermetersthatcanspecifyatriggersourceandatriggereventonwhichtotriggerameasurement.IncludesVIsforconfiguringthetriggersource.
IviPwrMeterInternalTrigger Supportspowermetersthatcantriggerinternallyonthemeasurementsignal.Itspecifiestoconfiguretheinternaltriggereventsource,triggerlevel,andthetriggerslope.IncludesVIsforconfiguringtheseproperties.
IviPwrMeterSoftwareTrigger Supportspowermetersthatcaninitiateameasurementbasedonasoftwaretriggersignal.Youcansend
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asoftwaretriggertocausethepowermetertotriggerameasurement.
IviPwrMeterAveragingCount Supportspowermetersthatcanfilterasignalbyaveragingitaspecifiednumberoftimesinmanualaveragingmode.DefinesanpropertyandVItospecifytheaveragingcount.
IviPwrMeterZeroCorrection Supportspowermetersthatcanperformazerocorrectiononaninputchannel.DefinesVIstoperformthezerocorrection.
IviPwrMeterDutyCycleCorrection Supportspowermetersthatperformadutycyclecorrection.IncludesVIsforenablingandconfiguringthedutycyclecorrection.
IviPwrMeterCalibration Supportspowermetersthatcanperformcalibrationforagivenpowersensor.DefinesVIstoperformthecalibration.
IviPwrMeterReferenceOscillator Supportspowermetersthatcanenableaninternalreferenceoscillator.DefinesthatconfigurethereferenceoscillatorandtheVIsthatsettheseproperties.
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IviPwrMeterAveragingCountExtensionGroupTheIviPwrMeterAveragingCountextensioncapabilitygroupsupportspowermetersthatcanfilterasignalbyaveragingitaspecifiednumberoftimesinmanualaveragingmode.TheIviPwrMeterAveragingCountextensiongroupdefinesanpropertyandVItospecifytheaveragingcount.
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IviPwrMeterAveragingCountVIIviPwrMeter_ConfigureAveragingCount
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IviPwrMeterAveragingCountPropertyIVIPWRMETER_ATTR_AVERAGING_COUNT
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IviPwrMeterBaseExtensionGroupTheIviPwrMeterBasecapabilitygroupsupportspowermetersthattakeasinglemeasurementononechannelaswellasinstrumentsthatcantakesynchronousmeasurementsontwochannels.TheIviPwrMeterBasecapabilitygroupdefinespropertiesandtheirvaluestoconfigurethetypeofmeasurementandhowthemeasurementistobeperformed.Thesepropertiesincludetheunits,theauto-rangemode,theauto-averagingmode,thecorrectionfrequency,andtheoffset.TheIviPwrMeterBasecapabilitygroupalsoincludesVIsforconfiguringthepowermeterandforinitiatingandretrievingmeasurements.
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IviPwrMeterBasePropertiesIVIPWRMETER_ATTR_AVERAGING_AUTO_ENABLEDIVIPWRMETER_ATTR_CORRECTION_FREQUENCYIVIPWRMETER_ATTR_OFFSETIVIPWRMETER_ATTR_RANGE_AUTO_ENABLEDIVIPWRMETER_ATTR_UNITSRelatedTopicsIVIInherentVIsIVIInherentPropertiesIviPwrMeterbehaviormodel
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IviPwrMeterCalibrationExtensionGroupTheIviPwrMeterCalibrationextensioncapabilitygroupsupportspowermetersthatcanperformcalibrationforagivenpowersensor.TheIviPwrMeterCalibrationcapabilitygroupdefinesfunctionstoperformthecalibration.
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IviPwrMeterCalibrationVIsIviPwrMeter_CalibrateIviPwrMeter_IsCalibrationComplete
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IviPwrMeterChannelAcquisitionExtensionGroupTheIviPwrMeterChannelAcquisitionextensioncapabilitygroupsupportspowermetersthatcanperformsimultaneousmeasurementsontwoormorechannelsandfetchthemeasurementfromeachspecifiedchannel.TheIviPwrMeterChannelAcquisitionextensioncapabilityalsoincludespropertiesforenablingachannelformeasurementandVIsforacquiringmeasurementsonaspecifiedchannel.
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IviPwrMeterChannelAcquisitionVIsIviPwrMeter_ConfigureChannelEnabledIviPwrMeter_FetchChannelIviPwrMeter_ReadChannel
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IviPwrMeterChannelAcquisitionPropertyIVIPWRMETER_ATTR_CHANNEL_ENABLED
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IviPwrMeterDutyCycleCorrectionExtensionGroupTheIviPwrMeterDutyCycleCorrectionextensioncapabilitygroupsupportspowermetersthatperformadutycyclecorrection.TheIviPwrMeterDutyCycleCorrectionextensioncapabilityalsoincludesVIsforenablingandconfiguringthedutycyclecorrection.
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IviPwrMeterDutyCycleCorrectionVIIviPwrMeter_ConfigureDutyCycleCorrection
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IviPwrMeterDutyCycleCorrectionPropertiesIVIPWRMETER_ATTR_DUTY_CYCLE_CORRECTIONIVIPWRMETER_ATTR_DUTY_CYCLE_CORRECTION_ENABLED
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IviPwrMeterInternalTriggerExtensionGroupTheIviPwrMeterInternalTriggerextensioncapabilitygroupsupportspowermetersthatcantriggerinternallyonthemeasurementsignal.TheIviPwrMeterInternalTriggerextensioncapabilitygroupalsospecifiespropertiestoconfiguretheinternaltriggereventsource,triggerlevel,andthetriggerslope.TheIviPwrMeterInternalTriggerextensioncapabilitygroupalsoincludesVIsforconfiguringtheseproperties.
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IviPwrMeterInternalTriggerVIIviPwrMeter_Configure_Internal_Trigger
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IviPwrMeterInternalTriggerPropertiesIVIPWRMETER_ATTR_INTERNAL_TRIGGER_EVENT_SOURCEIVIPWRMETER_ATTR_INTERNAL_TRIGGER_LEVELIVIPWRMETER_ATTR_INTERNAL_TRIGGER_SLOPE
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IviPwrMeterManualRangeExtensionGroupTheIviPwrMeterManualRangeextensioncapabilitygroupsupportspowermetersthatcanmanuallyspecifytheupperandlowerlimitsofthemeasurementrange.TheIviPwrMeterManualRangeextensioncapabilityalsoincludesVIsforconfiguringthemeasurementrange.
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IviPwrMeterManualRangeVIIviPwrMeter_ConfigureRange
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IviPwrMeterManualRangePropertiesIVIPWRMETER_ATTR_RANGE_LOWERIVIPWRMETER_ATTR_RANGE_UPPER
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IviPwrMeterReferenceOscillatorExtensionGroupTheIviPwrMeterReferenceOscillatorextensioncapabilitygroupsupportspowermetersthatcanenableaninternalreferenceoscillator.TheIviPwrMeterReferenceOscillatorcapabilitygroupdefinespropertiesthatconfigurethereferenceoscillator.ItalsodefinesVIStosettheseproperties.
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IviPwrMeterReferenceOscillatorVIsIviPwrMeter_ConfigureRefOscillatorIviPwrMeter_ConfigureRefOscillatorEnabled
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IviPwrMeterReferenceOscillatorPropertiesIVIPWRMETER_ATTR_REF_OSCILLATOR_ENABLEDIVIPWRMETER_ATTR_REF_OSCILLATOR_FREQUENCYIVIPWRMETER_ATTR_REF_OSCILLATOR_LEVEL
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IviPwrMeterSoftwareTriggerExtensionGroupTheIviPwrMeterSoftwareTriggerextensiongroupsupportspowermetersthatcaninitiateameasurementbasedonasoftwaretriggersignal.Youcansendasoftwaretriggertocausethepowermetertotriggerameasurement.
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IviPwrMeterSoftwareTriggerVIIviPwrMeter_SendSoftwareTrigger
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IviPwrMeterTriggerSourceExtensionGroupTheIviPwrMeterTriggerSourceextensioncapabilitygroupsupportspowermetersthatcanspecifyatriggersourceandatriggereventonwhichtotriggerameasurement.TheIviPwrMeterTriggerSourceextensioncapabilityalsoincludesVIsforconfiguringthetriggersource.
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IviPwrMeterTriggerSourceVIIviPwrMeter_Configure_Trigger_Source
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IviPwrMeterTriggerSourcePropertyIVIPWRMETER_ATTR_TRIGGER_SOURCE
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IviPwrMeterZeroCorrectionExtensionGroupTheIviPwrMeterZeroCorrectionextensioncapabilitygroupsupportspowermetersthatcanperformazerocorrectiononaninputchannel.TheIviPwrMeterZeroCorrectioncapabilitygroupdefinesVIstoperformthezerocorrection.
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IviPwrMeterZeroCorrectionVIsIviPwrMeter_Is_Zero_Correction_CompleteIviPwrMeter_ZeroIviPwrMeter_ZeroAllChannels
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IviPwrMeterBehaviorModelsIviPwrMeterAveragingCountIviPwrMeterBaseIviPwrMeterCalibrationIviPwrMeterChannelAcquisitionIviPwrMeterDutyCycleCorrectionIviPwrMeterInternalTriggerIviPwrMeterManualRangeIviPwrMeterReferenceOscillatorIviPwrMeterSoftwareTriggerIviPwrMeterTriggerSourceIviPwrMeterZeroCorrection
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IviPwrMeterAveragingCountBehaviorModelTheIviPwrMeterAveragingCountextensiongroupfollowsthesamebehaviormodelastheIviPwrMeterBasecapabilitygroup.
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IviPwrMeterBaseBehaviorModelThefollowingstatediagramshowsrelationshipsbetweentheIviPwrMeterBasecapabilitygroupandpowermeterbehavior.
ThemainstateintheIviPwrMeterClassistheIdlestate.ThepowermeterenterstheIdlestateastheresultofbeing"powered-on",successfullycompletingameasurement,orbybeingabortedfromapreviousmeasurementbyyouwiththeAbortVI.Typically,youconfigurethepowermeterwhileitisintheIdlestate.IviPwrMeterattributescanbeconfiguredindividuallybysettingpropertiesorwiththehigh-levelconfigurationVIsdefinedintheIviPwrMeterBasecapabilitygroup.TheReadandInitiateVIscausethepowermetertoleavetheIdlestateandtakeameasurementonallenabledchannels.TheReadVIdoesnotreturnuntilthemeasurementprocessiscompleteandthepowermeterhasreturnedtotheIdlestate.TheInitiateVIreturnsassoonasthepowermeterleavestheIdlestate.TheFetchVIisusedtoretrievemeasurementsthatwereinitiatedbytheInitiateVI.AssoonasthepowermeterleavestheIdlestate,itimmediatelytakesameasurementonallenabledchannels.YouenablechannelsbycallingtheConfigureMeasurementVIbeforeinitiatingthemeasurement.ThepowermetertakesameasurementonthechannelsspecifiedintheConfigureMeasurementVIandperformsthespecifiedmathoperationontheresults.Afterallmeasurementshavebeentaken,thepowermeter(ifitiscapable
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ofdoingso)generatestheMeasurementCompletesignalandreturnstotheIdlestate.TheIviPwrMeterBasecapabilitygroupdoesnotrequirethatapowermeterbeabletogenerateaMeasurementCompletesignal.TheIviPwrMeterBasecapabilitygroupdoesnotdefinehowaMeasurementCompletesignalisconfigured.TheMeasurementCompletesignalispresentedintheIviPwrMeterbehaviormodeldiagramtodefinewhenthesignalisgeneratedasmostpowermetersgeneratethissignalbutmaynotbeabletoconfigureit.
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IviPwrMeterCalibrationBehaviorModelTheIviPwrMeterCalibrationextensiongroupfollowsthesamebehaviormodelastheIviPwrMeterBasecapabilitygroup.
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IviPwrMeterChannelAcquisitionBehaviorModelTheIviPwrMeterChannelAcquisitionbehaviormodelleveragesthebehaviormodeloftheIviPwrMeterBasecapabilitygroup.
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IviPwrMeterDutyCycleCorrectionBehaviorModelTheIviPwrMeterDutyCycleCorrectionextensiongroupfollowsthesamebehaviormodelastheIviPwrMeterBasecapabilitygroup.
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IviPwrMeterInternalTriggerBehaviorModelTheIviPwrMeterInternalTriggerbehaviormodelleveragesthebehaviormodeloftheIviPwrMeterBasecapabilitygroupandtheIviPwrMeterTriggerSourceextensiongroup.Furthermore,itdefinesanadditionaltriggereventforthetriggersource.ThepowermeterleavestheWait-For-Triggerstatewhenitreceivesaninternaltriggerevent.WhentheTriggerSourcepropertyissettotheInternaldefinedvalue,andthemeasurementsignalonthechannelspecifiedbytheInternalTriggerEventSourcepropertycrossesthelevelspecifiedbytheInternalTriggerLevelpropertyinthedirectionspecifiedbytheInternalTriggerSlopeproperty,thepowermeterleavestheWait-For-Triggerstateandtakesameasurementonallenabledchannels.
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IviPwrMeterManualRangeBehaviorModelTheIviPwrMeterManualRangebehaviormodelleveragesthebehaviormodeloftheIviPwrMeterBasecapabilitygroup.
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IviPwrMeterReferenceOscillatorBehaviorModelTheIviPwrMeterReferenceOscillatorextensiongroupfollowsthesamebehaviormodelastheIviPwrMeterBasecapabilitygroup.
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IviPwrMeterSoftwareTriggerBehaviorModelTheIviPwrMeterSoftwareTriggerbehaviormodelleveragesthebehaviormodeloftheIviPwrMeterBasecapabilitygroupandtheIviPwrMeterTriggerSourceextensiongroup.Furthermore,itdefinesanadditionaltriggereventforthetriggersource.ThepowermeterleavestheWait-For-TriggerstatewhenitreceivesatriggereventspecifiedbytheTriggerSourceproperty.WhenthetriggersourceissettoSoftware,theSendSoftwareTriggerVIisusedtogeneratethetriggerevent.CallingthisVIcausesthepowermetertoleavetheWait-For-Triggerstateandtakeameasurementonallenabledchannels.
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IviPwrMeterTriggerSourceBehaviorModelTheIviPwrMeterTriggerSourcebehaviormodelleveragesthebehaviormodeloftheIviPwrMeterBasecapabilitygroup.Furthermore,itdefinesanadditionalWait-For-TriggerstateaftertheIdlestate.ThefollowingstatediagramshowstherelationshipbetweenIviPwrMeterTriggerSourcecapabilitiesandtheIviPwrMeterBasecapabilitybehaviormodel.
TheInitiateandReadVIscausethepowermetertoleavetheIdlestateandtransitiontotheWait-For-Triggerstate.TheReadVIdoesnotreturnuntilthemeasurementprocessiscompleteandthepowermeterreturnstotheIdlestate.TheInitiateVIreturnsassoonasthepowermeterleavestheIdlestate.IntheWait-For-Triggerstate,thepowermeterwaitsforatriggerevent.ThetypeoftriggereventisspecifiedbytheTriggerSourceproperty.Whenthespecifiedtriggereventoccurs,thepowermeterleavestheWait-For-Triggerstateandtakesameasurementonallenabledchannels.
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IviPwrMeterZeroCorrectionBehaviorModelTheIviPwrMeterZeroCorrectionextensiongroupfollowsthesamebehaviormodelastheIviPwrMeterBasecapabilitygroup.
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IviPwrMeterVITreeClass/PanelName VIName
ConfigurationConfigureUnits IviPwrMeter_Configure
Units.viConfigureMeasurement IviPwrMeter_Configure
Measurement.viConfigureRangeAutoEnabled IviPwrMeter_Configure
RangeAutoEnabled.viConfigureAveragingAutoEnabled IviPwrMeter_Configure
AveragingAutoEnabled.vi
ConfigureCorrectionFrequency IviPwrMeter_ConfigureCorrectionFrequency.vi
ConfigureOffset IviPwrMeter_ConfigureOffset.vi
ConfigureRange[RNG] IviPwrMeter_ConfigureRange[RNG].vi
ConfigureAveragingCount[AVG] IviPwrMeter_ConfigureAveragingCount[AVG].vi
ConfigureDutyCycleCorrection[DC] IviPwrMeter_ConfigureDutyCycleCorrection[DC].vi
GetChannelName IviPwrMeter_GetChannelName.vi
ConfigureChannelEnabled[CH] IviPwrMeter_ConfigureChannelEnabled[CH].vi
TriggerConfigureTriggerSource[TRG] IviPwrMeter_Configure
TriggerSource[TRG].viConfigureInternalTrigger[IT] IviPwrMeter_Configure
InternalTrigger[IT].vi
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ConfigureInternalTriggerLevel[IT] IviPwrMeter_ConfigureInternalTriggerLevel[IT].vi
ReferenceOscillatorConfigureReferenceOscillatorEnabled[RO] IviPwrMeter_Configure
ReferenceOscillatorEnabled[RO].vi
ConfigureReferenceOscillator[RO] IviPwrMeter_ConfigureReferenceOscillator[RO].vi
ZeroingZero[ZC] IviPwrMeter_Zero[ZC].viZeroAllChannels[ZC] IviPwrMeter_ZeroAll
Channels[ZC].viIsZeroCorrectionComplete[ZC] IviPwrMeter_IsZero
CorrectionComplete[ZC].vi
CalibrationCalibrate[CAL] IviPwrMeter_Calibrate
[CAL].viIsCalibrationComplete[CAL] IviPwrMeter_Is
CalibrationComplete[CAL].vi
MeasurementRead IviPwrMeter_Read.viReadChannel[CH] IviPwrMeter_Read
Channel[CH].viLow-LevelMeasurementInitiate IviPwrMeter_Initiate.viIsMeasurementComplete IviPwrMeter_Is
MeasurementComplete.vi
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Fetch IviPwrMeter_Fetch.viFetchChannel[CH] IviPwrMeter_Fetch
Channel[CH].viQueryResultRangeType IviPwrMeter_Query
ResultRangeType.viAbort IviPwrMeter_Abort.viSendSoftwareTrigger[SWT] IviPwrMeter_Send
SoftwareTrigger[SWT].vi
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IviPwrMeterPropertiesGroup/AttributeName PropertyLabel
BasicOperationAveragingAutoEnabled IviPwrMeter»Basic
Operation»AveragingAutoEnabled
CorrectionFrequency IviPwrMeter»BasicOperation»CorrectionFrequency
Offset IviPwrMeter»BasicOperation»Offset
RangeAutoEnabled IviPwrMeter»BasicOperation»RangeAutoEnabled
Units IviPwrMeter»BasicOperation»Units
ChannelAcquisitionChannelEnabled[CH] IviPwrMeter»Basic
Operation»ChannelAcquisition»ChannelEnabled[CH]
ManualRangeRangeLower[RNG] IviPwrMeter»Manual
Range»RangeLower[RNG]RangeUpper[RNG] IviPwrMeter»Manual
Range»RangeUpper[RNG]TriggerTriggerSource[TRG] IviPwrMeter»Trigger»Trigger
Source[TRG]InternalTriggerInternalTriggerEventSource[IT] IviPwrMeter»Trigger»Internal
Trigger»InternalTriggerEventSource[IT]
InternalTriggerLevel[IT] IviPwrMeter»Trigger»InternalTrigger»InternalTriggerLevel[IT]
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InternalTriggerSlope[IT] IviPwrMeter»Trigger»InternalTrigger»InternalTriggerSlope[IT]
DutyCycleDutyCycleCorrection[DC] IviPwrMeter»DutyCycle»Duty
CycleCorrection[DC]DutyCycleCorrectionEnabled[DC] IviPwrMeter»DutyCycle»Duty
CycleCorrectionEnabled[DC]AveragingCountAverageCount[AVG] IviPwrMeter»Averaging
Count»AverageCount[AVG]ReferenceOscillatorRefOscillatorEnabled[RO] IviPwrMeter»Reference
Oscillator»RefOscillatorEnabled[RO]
RefOscillatorFrequency[RO] IviPwrMeter»ReferenceOscillator»RefOscillatorFrequency[RO]
RefOscillatorLevel[RO] IviPwrMeter»ReferenceOscillator»RefOscillatorLevel[RO]
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IviPwrMeterErrorandWarningCodesStatusCodeRangesStatusCodeType NumericRange(inHex)IviPwrMeterErrors 0xBFFA2001to0xBFFA3FFFIviPwrMeterWarnings 0x3FFA2001to0x3FFA3FFFIVISpecificDriverErrors 0xBFFA4000to0xBFFA5FFFIVISpecificDriverWarnings 0x3FFA4000to0x3FFA5FFFIVIErrors 0xBFFA0000to0xBFFA1FFFIVIWarnings 0x3FFA0000to0x3FFA1FFFCommonInstrumentDriverErrors 0xBFFC0000to0xBFFCFFFFCommonInstrumentDriverWarnings 0x3FFC0000to0x3FFCFFFFVISAErrors 0xBFFF0000to0xBFFFFFFFVISAWarnings 0x3FFF0000to0xFFFFFFF
TheIviPwrMeterclassdriverdefinestheerrorcodesshowninthefollowingtableinadditiontotheIVIdefinederrorcodes.
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IviPwrMeterErrorCodesError Value MessageIVIPWRMETER_ERROR_CHANNEL_NOT_ENABLED 0xBFFA2001 Channel
nameisnotenabledformeasurement.
IVIPWRMETER_ERROR_MAX_TIME_EXCEEDED 0xBFFA2020 Maximumtimeoutexceededbeforeoperationcouldcomplete.
IVIPWRMETER_ERROR_TRIGGER_NOT_SOFTWARE 0xBFFA1001 Maximumtimeoutexceededbeforeoperationcouldcomplete.
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IviPwrMeterWarningCodeWarning Value MessageIVIPWRMETER_WARN_UNDER_RANGE 0x3FFA2001 UnderRange
warningIVIPWRMETER_WARN_OVER_RANGE 0x3FFA2002 OverRange
warning
RelatedTopicIVIStatusCodes
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IviPwrMeterVIsExpandthisbooktoviewanalphabetizedlistofIviPwrMeterVIs.
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IviPwrMeterAbortIviPwrMeterBaseCapabilityGroupThisVIabortsallpreviouslyinitiatedmeasurementsandreturnsthepowermetertotheIdlestate.Youinitiatemeasurementwiththe.
Notes
(1)ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheattheconclusionofthesequence.
(2)Iftheinstrumentcannotabortaninitiatedacquisition,thisVIreturnstheIVI_ERROR_FUNCTION_NOT_SUPPORTEDerror.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterCalibrate[CAL]IviPwrMeterCalibrationCapabilityGroupThisVIperformscalibrationonthespecifiedsensor.ThisVIreturnsonlyafterthesensorhasbeencalibrated.Youmayusethetodeterminewhenthecalibrationiscomplete.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.channelnameThenameofthechanneltocalibrate.
PassthevirtualchannelnamethatyouassigntotheinstrumentintheConfigurationUtility.
Virtualchannelnamesarealiasesforinstrument-specificchannelstrings.Theinstrument-specificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoaninstrument-specificchannelthroughtheConfigurationUtility.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrument-specificchannelnames.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtain
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fromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureAveragingAutoEnabledIviPwrMeterBaseCapabilityGroupThisVIenablesordisablestheauto-averagingmodeforagivenchannel.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.channelnameThenameofthechanneltobeconfigured.
PassthevirtualchannelnamethatyouassigntotheinstrumentintheConfigurationUtility.
Virtualchannelnamesarealiasesforinstrument-specificchannelstrings.Theinstrument-specificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoaninstrument-specificchannelthroughtheConfigurationUtilityinMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrument-specificchannelnames.
DefaultValue:""autoaveragingenabledTheauto-averagingmode.PassTRUEtoturnauto-averagingon.PassFALSEtoturnauto-averagingoff.Thedriversetsthepropertytothisvalue.
ValidValues:TRUE-"On"FALSE-"Off"
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DefaultValue:TRUE-"On"errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureAveragingCount[AVG]IviPwrMeterAveragingCountCapabilityGroupThisVIsetstheaveragecountthattheinstrumentusesinmanualaveragingmode.Theaveragingcountspecifiesthenumberofsamplesthattheinstrumenttakesbeforethemeasurementiscomplete.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.channelnameThenameofthechanneltoconfigure.
PassthevirtualchannelnamethatyouassigntotheinstrumentintheConfigurationUtility.
Virtualchannelnamesarealiasesforinstrument-specificchannelstrings.Theinstrument-specificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoaninstrument-specificchannelthroughtheConfigurationUtility.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrument-specificchannelnames.
DefaultValue:""averagingcountSpecifiestheaveragingcount.Thedriversetsthepropertytothisvalue.
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DefaultValue:5errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureChannelEnabled[CH]IviPwrMeterChannelAcquisitionCapabilityGroupThisVIenablesordisablesaspecifiedchannelformeasurement.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.channelnamePassthevirtualchannelnamethatyouassigntotheinstrumentintheConfigurationUtility.
Virtualchannelnamesarealiasesforinstrument-specificchannelstrings.Theinstrument-specificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoaninstrument-specificchannelthroughtheConfigurationUtility.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrument-specificchannelnames.
DefaultValue:""channelenabledPassTRUEtoenablethechannel.PassFALSEtodisablethechannel.Thedriversetsthepropertytothisvalue.
ValidValues:TRUE-"On"FALSE-"Off"
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DefaultValue:TRUE-"On"errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureCorrectionFrequencyIviPwrMeterBaseCapabilityGroupThisVIspecifiesthefrequencyoftheinputsignalinHertz.Theinstrumentusesthisvaluetodeterminetheappropriatecorrectionfactorforthesensor.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.channelnameThenameofthechanneltobeconfigured.
PassthevirtualchannelnamethatyouassigntotheinstrumentintheConfigurationUtility.
Virtualchannelnamesarealiasesforinstrument-specificchannelstrings.Theinstrument-specificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoaninstrument-specificchannelthroughtheConfigurationUtility.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrument-specificchannelnames.
DefaultValue:""frequencySpecifiestheexpectedfrequencyoftheinputsignalinHertz.Theinstrumentusesthisparametertodeterminetheappropriatecorrectionfactorforthesensor.Thedriversetsthepropertytothisvalue.
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Units:Hz
DefaultValue:50MHzerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureDutyCycleCorrection[DC]IviPwrMeterDutyCycleCorrectionCapabilityGroupThisVIenablesordisablesthedutycyclecorrectionandsetsthedutycyclecorrectionforpulsepowermeasurements.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.channelnameThenameofthechannelforwhichtospecifythedutycyclecorrection.
PassthevirtualchannelnamethatyouassigntotheinstrumentintheConfigurationUtility.
Virtualchannelnamesarealiasesforinstrument-specificchannelstrings.Theinstrument-specificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoaninstrument-specificchannelthroughtheConfigurationUtility.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrument-specificchannelnames.
DefaultValue:""correctionenabledEnablesordisablesthedutycyclecorrection.Thedriversetsthe_ENABLEDpropertytothisvalue.
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ValidValues:TRUE-"On"FALSE-"Off"
DefaultValue:FALSE-"Off"correctionvalueSpecifiesthedutycyclecorrectionthepowermeterusestocalculatethepulsepowerofapulse-modulatedsignal.Thedriversetsthepropertytothisvalue.
Thepowermetermeasurestheaveragepowerofthepulsedinputsignalandthendividestheresultbythedutycyclecorrectionvaluetoobtainapulsepowerreading.
Thevalueofthispropertyisspecifiedasapercentage.Forapulsewithadutycycleof10%,thispropertyshouldbegiventhevalue0.1.
Units:percentage(%).
DefaultValue:100%errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureInternalTriggerLevel[IT]IviPwrMeterInternalTriggerCapabilityGroupThisVIconfigurestheinternaltriggerlevelofthepowermeter.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.triggerlevelThesignaltriggerlevel.Thedriversetsthepropertytothisvalue.
Thevalueofthispropertyisspecifiedinthesameunitasthevalueofthepropertywhichyoucansetbycallingthe.
DefaultValue:0.001errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureInternalTrigger[IT]IviPwrMeterInternalTriggerCapabilityGroupThisVIconfigurestheinternaltriggereventsourceandtheinternaltriggerslopeofthepowermeter.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.eventsourceThenameofthechanneltouseastheinternaltriggereventsource.Thedriversetsthepropertytothisvalue.
PassthevirtualchannelnamethatyouassigntotheinstrumentintheConfigurationUtility.
Virtualchannelnamesarealiasesforinstrument-specificchannelstrings.Theinstrument-specificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoaninstrument-specificchannelthroughtheConfigurationUtility.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrument-specificchannelnames.
DefaultValue:""slopeTheinternaltriggerslope.Thedriversetsthepropertytothisvalue.
ValidValues:
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IVIPWRMETER_VAL_POSITIVE-Setsthetriggereventtooccurontherisingedgeofthetriggerpulse.
IVIPWRMETER_VAL_NEGATIVE(Difference)-Setsthetriggereventtooccuronthefallingedgeofthetriggerpulse.
DefaultValue:
IVIPWRMETER_VAL_POSITIVEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureMeasurementIviPwrMeterBaseCapabilityGroupThisVIconfigurestheinstrumenttotakesingleordualchannelmeasurements.
Forsinglechannelmeasurements,thisVIenablesthechannelspecifiedbyOperand1anddisablesallotherchannels.TheresultreturnedbytheFetchorReadVIsisthemeasurementtakenatthechannelspecifiedbyOperand1.Although,thedrivermeasuresthepowerinWatts,theresultisconvertedtothesameunitasthevalueoftheproperty.
Fordualchannelmeasurements,thisVIenablesthechannelsspecifiedbyOperand1andOperand2anddisablesallotherchannels.TheresultreturnedbytheFetchorReadVIsistheresultofthespecifiedmathoperationappliedtothemeasurementsonthechannelsspecifiedbyOperand1andOperand2.
Although,themathoperationisperformedonthemeasuredvaluesinWatts,theresultisconvertedtotheappropriateunitsdependingonthevalueoftheUnitspropertyandthevalueoftheOperator.
ForDifferenceandSumoperations,theresultingunitsisthesameastheUnitsproperty.
ForQuotientoperations,theresultingunitsareindB,exceptwhenUnitsaresettoWatts.WhensettoWatts,theresultingmeasurementiswithoutunits.
instrumenthandleTheinstrumenthandlethatyouobtainfromthe
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IviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.operatorThemathVIappliedtotheoperands.
Toconfigurethepowermetertotakesinglechannelmeasurements,passNoneastheOperatorvalue.Toconfigurethepowermetertotakesimultaneousdualchannelmeasurements,passoneoftheotherdefinedmathoperatorsastheOperatorvalue.
ValidValues:
IVIPWRMETER_VAL_NONE(NoOperator)-Takeasinglechannelmeasurement.ReturnthemeasuredvalueforOperand1.Operand2isignored.
IVIPWRMETER_VAL_DIFFERENCE(Difference)-SubtractthepowermeasuredonOperand2fromthepowermeasuredonOperand1.
IVIPWRMETER_VAL_SUM(Sum)-AddthepowermeasuredonOperand2tothepowermeasuredonOperand1.
IVIPWRMETER_VAL_QUOTIENT(Quotient)-DividethepowermeasuredonOperand1bythepowermeasuredonOperand2.
DefaultValue:IVIPWRMETER_VAL_DIFFERENCE(Difference)operand1Thenameofthechannelfromwhichthevalueforthefirstoperandofthemathoperatorismeasured.
DefaultValue:""operand2Thenameofthechannelfromwhichthevalueforthesecondoperandofthemathoperatorismeasured.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.Usethisinformationtodecideif
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anyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureOffsetIviPwrMeterBaseCapabilityGroupThisVIspecifiestheoffsettobeaddedtothemeasuredvalueinunitsofdB.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.channelnameThenameofthechannelforwhichtosettheOffset.
PassthevirtualchannelnamethatyouassigntotheinstrumentintheConfigurationUtility.
Virtualchannelnamesarealiasesforinstrument-specificchannelstrings.Theinstrument-specificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoaninstrument-specificchannelthroughtheConfigurationUtility.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrument-specificchannelnames.
DefaultValue:""offsetSpecifiesanoffsettobeaddedtothemeasuredvalue.TheunitsofthispropertyaredB.Thispropertycanbeusedtocompensateforsystemlossesorgainsbetweentheunitundertestandthesensorofthepowermeter.Thedriversetsthepropertytothisvalue.
Forexample,acablelossof2dBcouldbecompensatedforby
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settingthispropertyto2.Similarly,againstageof10dBcouldbeaccountedforbysettingthevalueofthispropertyto-10.Inbothcases,thereadingfromthepowermeterwillindicatethepowerattheunitundertestratherthanpoweratthepowermeter'ssensor.
Unit:dB
DefaultValue:0.0dBerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureRangeAutoEnabledIviPwrMeterBaseCapabilityGroupThisVIenablesordisablestheautorangemodeforagivenchannel.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.channelnameThenameofthechanneltoconfigure.
PassthevirtualchannelnamethatyouassigntotheinstrumentintheConfigurationUtility.
Virtualchannelnamesarealiasesforinstrument-specificchannelstrings.Theinstrument-specificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoaninstrument-specificchannelthroughtheConfigurationUtility.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrument-specificchannelnames.
DefaultValue:""rangeautoenabledSpecifiestheautorangemode.PassTRUEtoturnautorangingon.PassFALSEtoturnautorangingoff.Thedriversetsthepropertytothisvalue.
ValidValues:TRUE-"On"FALSE-"Off"
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DefaultValue:TRUE-"On"errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureRange[RNG]IviPwrMeterManualRangeCapabilityGroupThisVIconfigureslowerandupperrangevaluesforagivenchannel.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.channelnameThenameofthechanneltoconfigure.
PassthevirtualchannelnamethatyouassigntotheinstrumentintheConfigurationUtility.
Virtualchannelnamesarealiasesforinstrument-specificchannelstrings.Theinstrument-specificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoaninstrument-specificchannelthroughtheConfigurationUtility.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrument-specificchannelnames.
DefaultValue:""rangelowerSpecifythelowerlimitoftheexpectedvalueofthemeasurement.ThedriversetstheIviPwrMeter>>ManualRange>>RangeLower[R]propertytothisvalue.
Unit:Watt
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DefaultValue:1.0e-6(W)rangeupperSpecifytheupperlimitoftheexpectedvalueofthemeasurement.ThedriversetstheIviPwrMeter>>ManualRange>>RangeUpper[R]propertytothisvalue.
Unit:Watt
DefaultValue:0.01(W)errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureReferenceOscillatorEnabled[RO]IviPwrMeterReferenceOscillatorCapabilityGroupThisVIenablesordisablesthereferenceoscillator.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.referenceoscillatorenabledPassTRUEtoenablethereferenceoscillator.PassFALSEtodisablethereferenceoscillator.Thedriversetsthepropertytothisvalue.
ValidValues:TRUE-"On"FALSE-"Off"
DefaultValue:TRUE-"On"errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureReferenceOscillator[RO]IviPwrMeterReferenceOscillatorCapabilityGroupThisVIsetsthefrequencyandpowerlevelofthesignalgeneratedbythereferenceoscillator.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.frequencyThefrequencyofthereferenceoscillator.Thedriversetsthepropertytothisvalue.
Units:Hertz.
DefaultValue:50MHzlevelThepowerlevelofthereferenceoscillator.Thedriversetsthepropertytothisvalue.
Units:dBm.
DefaultValue:0dBmerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureTriggerSource[TRG]IviPwrMeterTriggerSourceCapabilityGroupThisVIconfiguresthetriggersourceofthepowermeter.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.triggersourceSpecifiesthetriggersource.Afteryoucalleithertheorthe,thePowerMeterwaitsforthetriggeryouspecify.Thedriversetsthepropertytothisvalue.
DefinedValues:
IVIPWRMETER_VAL_IMMEDIATE(Immediate)-ThepowermeterexitstheWait-For-Triggerstateimmediatelyafterentering.Itdoesnotwaitforatriggerofanykind.
IVIPWRMETER_VAL_EXTERNAL(External)-ThepowermeterexitstheWait-For-Triggerstatewhenaninternaltriggereventoccursonthemeasurementsignal.
IVIPWRMETER_VAL_INTERNAL(Internal)-ThepowermeterexitstheWait-For-Triggerstatewhenatriggeroccursontheexternaltriggerinput.
IVIPWRMETER_VAL_SOFTWARE_TRIG(Software)-ThepowermeterexitstheWait-For-Triggerstatewhenitreceivessoftwaretrigger.
IVIPWRMETER_VAL_TTL0(TTL0)-ThepowermeterexitstheWait-For-Triggerstatewhenitreceivesa
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triggeronTTL0.
IVIPWRMETER_VAL_TTL1(TTL1)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL1.
IVIPWRMETER_VAL_TTL2(TTL2)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL2.
IVIPWRMETER_VAL_TTL3(TTL3)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL3.
IVIPWRMETER_VAL_TTL4(TTL4)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL4.
IVIPWRMETER_VAL_TTL5(TTL5)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL5.
IVIPWRMETER_VAL_TTL6(TTL6)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL6.
IVIPWRMETER_VAL_TTL7(TTL7)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL7.
IVIPWRMETER_VAL_ECL0(ECL0)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronECL0.
IVIPWRMETER_VAL_ECL1(ECL1)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronECL1.
IVIPWRMETER_VAL_PXI_STAR(PXIStar)-Thepowermeter
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exitstheWait-For-TriggerstatewhenitreceivesatriggeronPXIStartriggerbus.
IVIPWRMETER_VAL_RTSI_0(RTSI0)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronRTSI0line.
IVIPWRMETER_VAL_RTSI_1(RTSI1)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronRTSI1line.
IVIPWRMETER_VAL_RTSI_2(RTSI2)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronRTSI2line.
IVIPWRMETER_VAL_RTSI_3(RTSI3)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronRTSI3line.
IVIPWRMETER_VAL_RTSI_4(RTSI4)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronRTSI4line.
IVIPWRMETER_VAL_RTSI_5(RTSI5)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronRTSI5line.
IVIPWRMETER_VAL_RTSI_6(RTSI6)-ThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronRTSI6line.
DefaultValue:IVIPWRMETER_VAL_IMMEDIATE(Immediate)errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterConfigureUnitsIviPwrMeterBaseCapabilityGroupThisVIconfigurestheunittowhichtheRFpowerisconvertedaftermeasurement.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.measurementunitsSpecifiestheunitsattheinputterminalsofthepowermeter.Thedriversetsthepropertytothisvalue.
DefinedValues:IVIPWRMETER_VAL_DBM(dBm)IVIPWRMETER_VAL_DBMV(dBmV)IVIPWRMETER_VAL_DBUV(dBuV)IVIPWRMETER_VAL_WATTS(Watts)
DefaultValue:IVIPWRMETER_VAL_WATTS(Watts)errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterFetchIviPwrMeterBaseCapabilityGroupThisVIreturnstheresultfromapreviouslyinitiatedsingleordualchannelmeasurement.CallthetoinitiateameasurementbeforecallingthisVI.
AfterthisVIexecutes,thevalueofReadingdependsonthemathoperationspecifiedinthe.
Notes
(1)ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheattheconclusionofthesequence.
(2)Ifanout-of-rangeconditionoccursononeormoreenabledchannels,theresultisavalueindicatingthatanoutofrangeconditionoccurred.Insuchacase,ReadingcontainsanIEEEdefined-Inf(NegativeInfinity)or+Inf(PositiveInfinity)valueandtheVIreturnstheUnderRange(0x3FFA2001)orOverRange(0x3FFA2002)warning.Testifthemeasurementvalueisoutofrangewiththe.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.readingReturnsthemeasuredvalue.
Forsinglechannelmeasurements,Readingcontainsanactualreadingonthechannelspecifiedbythe.TheunitoftheresultisthesameasthevalueoftheUnitsproperty.
Fordualchannelmeasurements,Readingcontainstheresultofthemathoperationappliedtothechannelsspecifiedinthe.Theunitoftheresultdependsonthevalueofthepropertyandthespecifiedoperator.
ForDifferenceandSumoperations,theresultingunitsisthesameastheUnitsproperty.
ForQuotientoperations,theresultingunitsareindB,exceptwhenUnitsaresettoWatts.WhensettoWatts,theresultingmeasurementiswithoutunits.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterFetchChannel[CH]IviPwrMeterChannelAcquisitionCapabilityGroupThisVIreturnstheresultfromapreviouslyinitiatedmeasurementonaspecifiedchannel.CallthetoinitiateameasurementbeforecallingthisVI.
AfterthisVIexecutes,theReadingparametercontainsanactualreadingonthechannelspecifiedbytheChannelparameter.Ifthespecifiedchannelisnotenabledformeasurement,thisVIreturnstheChannelNotEnabled(0xBFFA2001)error.TheresultisinthesameunitasthevalueoftheUnitsproperty.
Notes
(1)ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheattheconclusionofthesequence.
(2)Ifanoutofrangeconditionoccurs,theresultisavalueindicatingthatanout-of-rangeconditionoccurred.Insuchacase,theReadingparametercontainsanIEEEdefined-Inf(NegativeInfinity)or+Inf(PositiveInfinity)valueandtheVIreturnstheUnderRange(0x3FFA2001)orOverRange(0x3FFA2002)warning.Testifthemeasurementvalueisoutofrangewiththe.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.
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channelnameThenameofthechannelfromwhichtofetchthemeasurement.
PassthevirtualchannelnamethatyouassigntotheinstrumentintheActionUtility.
Virtualchannelnamesarealiasesforinstrument-specificchannelstrings.Theinstrument-specificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoaninstrument-specificchannelthroughtheConfigurationUtility.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrument-specificchannelnames.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.readingThedatareadfromthepowermeter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterGetChannelNameIviPwrMeterBaseCapabilityGroupThisVIreturnsthephysicalchannelidentifierthatcorrespondstotheone-basedindexspecifiedbytheChannelIndexparameter.
Notes
(1)IfyoupassinavaluefortheChannelIndexparameterthatislessthanoneorgreaterthanthevalueoftheChannelCountproperty,theVIreturnsanemptystringintheChannelNameparameterandreturnsanerror.
(2)Bypassing0forthebuffersize,youcanascertainthebuffersizerequiredtogettheentirechannelnamestringandthencalltheVIagainwithasufficientlylargebuffer.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.indexA1-basedindexintothechanneltable.
ValidRange:1tonumberofchannels.
DefaultValue:1buffersizePassthenumberofbytesintheViChararrayyouspecifyfortheChannelNameparameter.
Ifthechannelname,includingtheterminatingNULbyte,containsmorebytesthanyouindicateinthisparameter,theVIcopiesBufferSize-1bytesintothebuffer,placesanASCIINULbyteattheendofthebuffer,andreturnsthebuffersizeyoumustpassto
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gettheentirevalue.Forexample,ifthevalueis"123456"andtheBufferSizeis4,theVIplaces"123"intothebufferandreturns7.
Ifyoupassanegativenumber,theVIcopiesthevaluetothebufferregardlessofthenumberofbytesinthevalue.
Ifyoupass0,youcanpassVI_NULLfortheChannelNamebufferparameter.
DefaultValue:Noneerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.channelnameReturnsthehighest-levelchannelnamethatcorrespondstothespecificdriverchannelstringthatisinthechanneltableatanindexyouspecify..
ThebuffermustcontainatleastasmanyelementsasthevalueyouspecifywiththeBufferSizeparameter.Ifthechannelnamedescription,includingtheterminatingNULbyte,containsmorebytesthanyouindicatewiththeBufferSizeparameter,theVIcopiesBufferSize-1bytesintothebuffer,placesanASCIINULbyteattheendofthebuffer,andreturnsthebuffersizeyoumustpasstogettheentirevalue.Forexample,ifthevalueis"123456"andtheBufferSizeis4,theVIplaces"123"intothebufferandreturns7.
Ifyoupass0fortheBufferSize,youcanpassVI_NULLforthisparameter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterInitiateIviPwrMeterBaseCapabilityGroupThisVIinitiatesameasurementonallenabledchannels.WhenthisVIexecutes,thepowermeterleavestheIdlestateandtakesameasurementonallenabledchannels.Usetheortoobtaintheresultofthemeasurements.
Notes
(1)ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheattheconclusionofthesequence.
(2)ThisVIperformsinterchangeabilitycheckingwhentheIviPwrMeter>>InherentIVISettings>>UserOptions>>InterchangeCheckpropertyissettoTRUE.YoumayusetheNISpyutilitytoviewinterchangeabilitywarnings.Alternatively,youmayusethetoretrieveinterchangeabilitywarnings.Forinformationoninterchangeabilitychecking,refertotheonlinehelpmanual.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterIsCalibrationComplete[CAL]IviPwrMeterCalibrationCapabilityGroupThisVIqueriestheinstrumenttodeterminethestatusofallcalibrationoperationsinitiatedbythe.ThisVIreturnstheIVIPWRMETER_VAL_CALIBRATION_COMPLETE(1)valueintheStatusparameteronlywhencalibrationiscompleteonallchannels.
Ifsomecalibrationoperationsarestillinprogressononeormorechannels,thedriverreturnstheIVIPWRMETER_VAL_CALIBRATION_IN_PROGRESS(0)value.Ifthedrivercannotquerytheinstrumenttodetermineitsstate,thedriverreturnstheIVIPWRMETER_VAL_CALIBRATION_STATUS_UNKNOWN(-1)value.
Note:
ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheattheconclusionofthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.calibrationstatusReturnsthestatusofthecalibration.
Thisdriverdefinesthefollowingcalibrationstatus:
IVIPWRMETER_VAL_CALIBRATION_COMPLETE(1)-Thepowermeterhascompletedthecalibrationonallenabledchannels.
IVIPWRMETER_VAL_CALIBRATION_IN_PROGRESS(0)-Thepowermeterisstilltakingacalibrationononeormoreenabledchannels.
IVIPWRMETER_VAL_CALIBRATION_STATUS_UNKNOWN(-1)-Thepowermetercannotdeterminethestatusofthecalibration.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterIsMeasurementCompleteIviPwrMeterBaseCapabilityGroupThisVIqueriestheinstrumenttodeterminethestatusofthemeasurementinitiatedbythe.ThisVIreturnstheIVIPWRMETER_VAL_MEAS_COMPLETE(1)valueintheStatusparameteronlywhenmeasurementsarecompleteonallenabledchannels.
Ifsomemeasurementsarestillinprogressononeormorechannels,thedriverreturnstheIVIPWRMETER_VAL_MEAS_IN_PROGRESS(0)value.Ifthedrivercannotquerytheinstrumenttodetermineitsstate,thedriverreturnstheIVIPWRMETER_VAL_MEAS_STATUS_UNKNOWN(-1)value.
Note:
ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheattheconclusionofthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.measurementstatusReturnsthestatusofthemeasurement.
Thisdriverdefinesthefollowingmeasurementstatus:
IVIPWRMETER_VAL_MEAS_COMPLETE(1)-Thepowermeterhascompletedthemeasurementonallenabledchannels.
IVIPWRMETER_VAL_MEAS_IN_PROGRESS(0)-Thepowermeterisstilltakingameasurementononeormoreenabledchannels.
IVIPWRMETER_VAL_MEAS_STATUS_UNKNOWN(-1)-Thepowermetercannotdeterminethestatusofthemeasurement.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterIsZeroCorrectionComplete[ZC]IviPwrMeterZeroCorrectionCapabilityGroupThisVIqueriestheinstrumenttodeterminethestatusofallzerocorrectionoperationsinitiatedbytheorVIs.ThisVIreturnstheIVIPWRMETER_VAL_ZERO_COMPLETE(1)valueintheStatusparameteronlywhenzerocorrectionsarecompleteonallenabledchannels.
Ifsomezerocorrectionoperationsarestillinprogressononeormorechannels,thisVIreturnstheIVIPWRMETER_VAL_ZERO_IN_PROGRESS(0)value.Ifthedrivercannotquerytheinstrumenttodetermineitsstate,thedriverreturnstheIVIPWRMETER_VAL_ZERO_STATUS_UNKNOWN(-1)value.
Note:
ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheattheconclusionofthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.zerocorrectionstatusReturnsthestatusofthezerocorrection.
Thisdriverdefinesthefollowingzerocorrectionstatus:
IVIPWRMETER_VAL_ZERO_COMPLETE(1)-Thepowermeterhascompletedallzerocorrectionoperations.
IVIPWRMETER_VAL_ZERO_IN_PROGRESS(0)-Thepowermeterisstillperformingazerocorrectionononeormoreenabledchannels.
IVIPWRMETER_VAL_ZERO_STATUS_UNKNOWN(-1)-Thepowermetercannotdeterminethestatusofthezerocorrection.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterQueryResultRangeTypeIviPwrMeterBaseCapabilityGroupThisVItakesameasurementvaluethatisreturnedfromoneoftheFetch,FetchChannel,Read,orReadChannelVIsanddeterminesifthevalueisavalidmeasurementvalueoravalueindicatingthatanout-of-rangeconditionoccurred.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.measurementvaluePassthemeasurementvaluethatyouobtainfromoneoftheFetchorReadVIs.Thedriverteststhisvaluetodetermineifthevalueisavalidmeasurementvalueoravalueindicatinganout-of-rangeconditionoccurred.
DefaultValue:0.0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.rangetypeReturnswhetherthemeasurementvalueisavalidmeasurementoravalueindicatingthatthepowermeterencounteredanout-of-rangecondition.
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Thisdriverdefinesthefollowingrangetype:
IVIPWRMETER_VAL_IN_RANGE(0)-Themeasurementiswithinthecurrentrangelimits.
IVIPWRMETER_VAL_UNDER_RANGE(-1)-Themeasurementisbelowthecurrentlowerrangelimits.
IVIPWRMETER_VAL_OVER_RANGE(1)-Themeasurementisabovethecurrentupperrangelimits.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterReadIviPwrMeterBaseCapabilityGroupThisVIinitiatesameasurement,waitsuntilthepowermeterhasreturnedtotheIdlestate,andreturnstheresultofthemeasurement.
AfterthisVIexecutes,thevalueoftheReadingparameterdependsonthemathoperationspecifiedinthe.
Ifanoutofrangeconditionoccursononeormoreenabledchannels,thereadingisavalueindicatingthatanoutofrangeconditionoccurred.Insuchacase,ReadingcontainsanIEEEdefined-Inf(NegativeInfinity)or+Inf(PositiveInfinity)valueandtheVIreturnstheUnderRange(0x3FFA2001)orOverRange(0x3FFA2002)warning.Testifthemeasurementvalueisoutofrangewiththe.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.maximumtime(ms)Passthemaximumlengthoftimeinwhichtoallowthereadoperationtocomplete.Expressthisvalueinmilliseconds.
Iftheoperationdoesnotcompletewithinthistimeinterval,theVIreturnstheIVIPWRMETER_ERROR_MAX_TIME_EXCEEDED(0xBFFA2020)errorcode.Whenthisoccurs,youcancalltocancelthereadoperationandreturntheinstrumenttotheIdlestate.
DefinedValues:IVIPWRMETER_VAL_MAX_TIME_INFINITE(-1)-Waitindefinitelyforatimeout.IVIPWRMETER_VAL_MAX_TIME_IMMEDIATE(0)-Donotwaitforatimeout.
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DefaultValue:5000
Notes
(1)TheMaximumTimeparameteraffectsonlythisVI.Ithasnoeffectonothertimeoutparametersorproperties.
(2)SomespecificinstrumentdriversdonotsupporttheImmediateTimeoutortheInfiniteTimeoutdefinedvalues.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.readingReturnsthemeasuredvalue.
Forsinglechannelmeasurements,Readingcontainsanactualreadingonthechannelspecifiedbythe.Theunitoftheresultisthesameasthevalueoftheproperty.
Fordualchannelmeasurements,Readingcontainstheresultofthemathoperationappliedtothechannelsspecifiedinthe.TheunitoftheresultdependsonthevalueoftheUnitspropertyandthespecifiedoperator.
ForDifferenceandSumoperations,theresultingunitsisthesameastheUnitsproperty.
ForQuotientoperations,theresultingunitsareindB,exceptwhenUnitsaresettoWatts.WhensettoWatts,theresultingmeasurementiswithoutunits.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterReadChannel[CH]IviPwrMeterChannelAcquisitionCapabilityGroupThisVIinitiatesameasurement,waitsuntilthepowermeterhasreturnedtotheIdlestate,andreturnstheresultofthemeasurementonthespecifiedchannel.
AfterthisVIexecutes,theReadingparametercontainsanactualreadingonthechannelspecifiedbytheChannelparameter.Ifthespecifiedchannelisnotenabledformeasurement,thisVIreturnstheChannelNotEnabled(0xBFFA2001)error.TheReadingresultisinthesameunitasthevalueoftheUnitsproperty.
AfterthisVIexecutes,theReadingparametermaycontainavalueindicatingthatanout-of-rangeconditionoccurred.Ifanout-of-rangeconditionoccurs,theResultparametercontainsanIEEEdefined-Inf(NegativeInfinity)or+Inf(PositiveInfinity)valueandtheVIreturnstheUnderRange(0x3FFA2001)orOverRange(0x3FFA2002)warning.Testifthemeasurementvalueisoutofrangewiththe.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.channelnameThenameofthechannelfromwhichtoreadthemeasurement.
PassthevirtualchannelnamethatyouassigntotheinstrumentintheActionUtility.
Virtualchannelnamesarealiasesforinstrument-specificchannelstrings.Theinstrument-specificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseand
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swapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoaninstrument-specificchannelthroughtheConfigurationUtility.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrument-specificchannelnames.
DefaultValue:""maximumtime(ms)Passthemaximumlengthoftimeinwhichtoallowthereadoperationtocomplete.Expressthisvalueinmilliseconds.
Iftheoperationdoesnotcompletewithinthistimeinterval,theVIreturnstheIVIPWRMETER_ERROR_MAX_TIME_EXCEEDED(0xBFFA2020)errorcode.Whenthisoccurs,youcancalltocancelthereadoperationandreturntheinstrumenttotheIdlestate.
DefinedValues:IVIPWRMETER_VAL_MAX_TIME_INFINITE(-1)-Waitindefinitelyforatimeout.IVIPWRMETER_VAL_MAX_TIME_IMMEDIATE(0)-Donotwaitforatimeout.
DefaultValue:5000
Notes
(1)TheMaximumTimeparameteraffectsonlythisVI.Ithasnoeffectonothertimeoutparametersorproperties.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptions
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VIs.readingThedatareadfromthepowermeter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterSendSoftwareTrigger[SWT]ThisVIsendsacommandtotriggerthepowermeter.CallthisVIifyoupassIVIPWRMETER_VAL_SOFTWARE_TRIGforthepropertyortheTriggerSourceparameterofthe.
Notes
(1)IftheisnotsettotheIVIPWRMETER_VAL_SOFTWARE_TRIGvalue,thisVIreturnsaTriggerNotSoftware(0xBFFA1001)error.
(2)ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheattheconclusionofthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterZero[ZC]IviPwrMeterZeroCorrectionCapabilityGroupThisVIperformsazerocorrectiononthespecifiedchannel.Youmayusethetodeterminewhenthezerocorrectioniscomplete.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.channelnameThenameforthechannelforwhichtoperformthezerocorrection.
PassthevirtualchannelnamethatyouassigntotheinstrumentintheActionUtility.
Virtualchannelnamesarealiasesforinstrument-specificchannelstrings.Theinstrument-specificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoaninstrument-specificchannelthroughtheConfigurationUtility.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrument-specificchannelnames.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtain
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fromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterZeroAllChannels[ZC]IviPwrMeterZeroCorrectionCapabilityGroupThisVIperformsazerocorrectiononallenabledchannels.Youmayusethetodeterminewhenthezerocorrectioniscomplete.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviPwrMeterInitializeorIviPwrMeterInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviPwrMeterPropertiesExpandthisbooktoviewanalphabetizedlistofIviPwrMeterproperties.
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IviPwrMeterAverageCount[AVG]IviPwrMeterAveragingCountPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W Channels Up IviPwrMeterConfigureAveragingCount[AVG]
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DescriptionThischannel-basedpropertyspecifiestheaveragecountthattheinstrumentusesinmanualaveragingmode.WhentheIviPwrMeter>>BasicOperation>>AveragingAutoEnabledpropertyissettoFALSE,thedriverfilterstheinputsignalbyaveragingitthenumberoftimesspecifiedbythisproperty.
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PropertyNodePathIviPwrMeter»AveragingCount>>AverageCount[AVG]
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IviPwrMeterAveragingAutoEnabledIviPwrMeterBasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W Channels None IviPwrMeterConfigureAveragingAutoEnabled
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DescriptionThischannel-basedpropertyspecifiestheauto-averagingmodeusedbytheinstrumentforthespecifiedinputchannel.Ifautoaveragingisenabled,theinstrumentdeterminesthebestvaluefortheaveragingcountautomatically.Theaveragingcountspecifiesthenumberofsamplesthattheinstrumenttakesbeforethemeasurementiscomplete.Ifautoaveragingisdisabled,specifytheaveragingcountexplicitlybysettingtheIviPwrMeter>>AveragingCount>>AverageCount[AVG]property.
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PropertyNodePathIviPwrMeter»BasicOperation>>AveragingAutoEnabled
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DefinedValuesVI_TRUEVI_FALSE
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IviPwrMeterChannelCountIviPwrMeterBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W Channels None None
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DescriptionReturnsthenumberofavailablechannels.
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PropertyNodePathIviPwrMeter»InherentIVISettings»SpecificDriverCapabilities»ChannelCount
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IviPwrMeterChannelEnabled[CH]IviPwrMeterChannelAcquisitionPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W Channels None IviPwrMeterConfigureChannelEnabled[CH]
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DescriptionThischannel-basedpropertyspecifiesifthepowermetertakesameasurementonthespecifiedinputchannel.Thepowermeterwilltakeameasurementonachannelonlyifthatchannelisenabled.ChannelsarealsoenabledwhenyoucalltheIviPwrMeterConfigureMeasurement.vi.SeetheVIdescriptionformoredetails.
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PropertyNodePathIviPwrMeter»BasicOperation>>ChannelAcquisition>>ChannelEnabled[CH]
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DefinedValuesVI_TRUEVI_FALSE
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IviPwrMeterCorrectionFrequencyIviPwrMeterBasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W Channels None IviPwrMeterConfigureCorrectionFrequency
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DescriptionThischannel-basedpropertyspecifiesthefrequencyoftheinputsignalinHertz.Theinstrumentusesthisvaluetodeterminetheappropriatecorrectionfactorforthesensor.Toobtainthemostaccuratemeasurement,specifythecorrectionfrequencyascloseaspossibletotheactualfrequencyoftheinputsignal.
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PropertyNodePathIviPwrMeter»BasicOperation>>CorrectionFrequency
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IviPwrMeterDutyCycleCorrectionEnabled[DC]IviPwrMeterDutyCycleCorrectionPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W Channels None IviPwrMeterConfigureDutyCycleCorrection[DC]
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DescriptionThischannel-basedpropertyspecifiesifthepowermeterperformsadutycyclecorrectiononthespecifiedchannel.
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PropertyNodePathIviPwrMeter»DutyCycle>>DutyCycleCorrectionEnabled[DC]
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DefinedValuesVI_TRUEVI_FALSE
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IviPwrMeterDutyCycleCorrection[DC]IviPwrMeterDutyCycleCorrectionPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W Channels Up IviPwrMeterConfigureDutyCycleCorrection[DC]
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DescriptionThischannel-basedpropertyspecifiesthedutycyclecorrectionthepowermeterusestocalculatethepulsepowerofapulse-modulatedsignal.Thepowermetermeasurestheaveragepowerofthepulsedinputsignalandthendividestheresultbythevaluespecifiedforthispropertytoobtainapulsepowerreading.Thevalueofthispropertyisspecifiedasapercentage.
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PropertyNodePathIviPwrMeter»DutyCycle>>DutyCycleCorrection[DC]
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IviPwrMeterInternalTriggerEventSource[IT]IviPwrMeterInternalTriggerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviPwrMeterConfigureInternalTrigger[IT]
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DescriptionSpecifiesthechannelthatthepowermeterusestomonitortheinternaltriggerevent.ThepowermeterleavestheIdlestatewhenthemeasurementsignalonthischannelmeetstheconditionssetbytheIviPwrMeter>>Trigger>>InternalTrigger>>InternalTriggerLevel[IT]andtheIviPwrMeter>>Trigger>>InternalTrigger>>InternalTriggerSlope[IT]properties.ThispropertyaffectsthebehavioroftheinstrumentonlyiftheIviPwrMeter>>Trigger>>TriggerSource[TRG]propertyissettoInternal.
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PropertyNodePathIviPwrMeter»Trigger>>InternalTrigger>>InternalTriggerEventSource[IT]
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IviPwrMeterInternalTriggerLevel[IT]IviPwrMeterInternalTriggerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviPwrMeterConfigureInternalTriggerLevel[IT]
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DescriptionSpecifiesthetriggerlevelforthemeasurementsignal.ThepowermeterleavestheIdlestatewhenthemeasurementsignalonthechannelspecifiedbytheIviPwrMeter>>Trigger>>InternalTrigger>>InternalTriggerEventSource[IT]propertycrossesthevaluespecifiedbythisproperty.ThevalueofthispropertyisspecifiedinthesameunitasthevalueoftheIviPwrMeter>>BasicOperation>>Units.ThispropertyaffectsthebehavioroftheinstrumentonlyiftheIviPwrMeter>>Trigger>>TriggerSource[TRG]propertyissettoInternal.
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PropertyNodePathIviPwrMeter»Trigger>>InternalTrigger>>InternalTriggerLevel[IT]
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IviPwrMeterInternalTriggerSlope[IT]IviPwrMeterInternalTriggerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviPwrMeterConfigureInternalTrigger[IT]
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DescriptionSpecifiesthepolarityoftheinternaltriggerslope.Thepowermetertriggersontherisingorfallingedgeoftheinternaltriggersourcedependingonthevalueofthisproperty.ThispropertyaffectsthebehavioroftheinstrumentonlyiftheIviPwrMeter>>Trigger>>TriggerSource[TRG]propertyissettoInternal.
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PropertyNodePathIviPwrMeter»Trigger>>InternalTrigger>>InternalTriggerSlope[IT]
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DefinedValuesIVIPWRMETER_VAL_POSITIVEIVIPWRMETER_VAL_NEGATIVE
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IviPwrMeterOffsetIviPwrMeterBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W Channels None None
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DescriptionThischannel-basedpropertyspecifiesanoffsettobeaddedtothemeasuredvalueonachannelinunitsofdB.Thispropertycanbeusedtocompensateforsystemlossesorgainsbetweentheunitundertestandthesensorofthepowermeter.Apositivevalueisusedforlosscompensation.Anegativevalueisusedforgaincompensation.Forexample,acablelossof2dBcouldbecompensatedforbysettingthispropertyto+2.Similarly,againstageof10dBcouldbeaccountedforbysettingthevalueofthispropertyto-10.Inbothcases,thereadingfromthepowermeterwillindicatethepowerattheunitundertestratherthanpoweratthepowermeter'ssensor.
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PropertyNodePathIviPwrMeter»BasicOperation>>Offset
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IviPwrMeterRangeAutoEnabledIviPwrMeterBasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W Channels None IviPwrMeterConfigureRangeAutoEnabled
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DescriptionThischannel-basedpropertyspecifiesifthepowermetershouldautomaticallydeterminethebestrangeforthemeasurement.IfthispropertyissettoTRUE,theinstrumentautomaticallydeterminesthebestrangeforthemeasurement.IfthispropertyissettoFALSE,specifythelowerandupperlimitsofthemeasurementrangebyexplicitlysettingtheIviPwrMeter>>ManualRange>>RangeLower[RNG]andIviPwrMeter>>ManualRange>>RangeUpper[RNG]properties.
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PropertyNodePathIviPwrMeter»BasicOperation>>RangeAutoEnabled
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DefinedValuesVI_TRUEVI_FALSE
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IviPwrMeterRangeLower[RNG]IviPwrMeterManualRangePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W Channels Down IviPwrMeterConfigureRange[RNG]
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DescriptionThischannel-basedpropertyspecifiesthelowerlimit(minimum)oftheexpectedvalueofthemeasurement.Thespecificdrivercoercesthisvaluetotheappropriaterangefortheinstrument.ThevalueofthispropertyisspecifiedinthesameunitsasthevalueoftheIviPwrMeter>>BasicOperation>>Unitsproperty.ThispropertyaffectsthebehavioroftheinstrumentonlywhentheIviPwrMeter>>BasicOperation>>RangeAutoEnabledpropertyissettoFALSE.
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PropertyNodePathIviPwrMeter»ManualRange>>RangeLower[RNG]
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IviPwrMeterRangeUpper[RNG]IviPwrMeterManualRangePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W Channels Up IviPwrMeterConfigureRange[RNG]
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DescriptionThischannel-basedpropertyspecifiestheupperlimit(maximum)oftheexpectedvalueofthemeasurement.Thespecificdrivercoercesthisvaluetotheappropriaterangefortheinstrument.ThevalueofthispropertyisspecifiedinthesameunitsasthevalueoftheIviPwrMeter>>BasicOperation>>Units.ThispropertyaffectsthebehavioroftheinstrumentonlywhentheIviPwrMeter>>BasicOperation>>RangeAutoEnabledpropertyissettoFALSE.
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PropertyNodePathIviPwrMeter»ManualRange>>RangeUpper[RNG]
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IviPwrMeterRefOscillatorEnabled[RO]IviPwrMeterReferenceOscillatorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviPwrMeterConfigureReferenceOscillatorEnabled[RO]
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DescriptionSpecifiesiftheinternalreferenceoscillatorisenabled.
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PropertyNodePathIviPwrMeter»ReferenceOscillator>>RefOscillatorEnabled[RO]
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DefinedValuesVI_TRUEVI_FALSE
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IviPwrMeterRefOscillatorFrequency[RO]IviPwrMeterReferenceOscillatorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviPwrMeterConfigureReferenceOscillator[RO]
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DescriptionSpecifiesthefrequencyofthesignalgeneratedbythereferenceoscillatorinHertz.ThispropertyaffectsthebehavioroftheinstrumentonlyiftheIviPwrMeter>>ReferenceOscillator>>RefOscillatorEnabled[RO]propertyissettoTRUE.
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PropertyNodePathIviPwrMeter»ReferenceOscillator>>RefOscillatorFrequency[RO]
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IviPwrMeterRefOscillatorLevel[RO]IviPwrMeterReferenceOscillatorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviPwrMeterConfigureReferenceOscillator[RO]
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DescriptionSpecifiesthepowerlevelofthesignalgeneratedbythereferenceoscillatorindBm.ThispropertyaffectsthebehavioroftheinstrumentonlyiftheIviPwrMeter>>ReferenceOscillator>>RefOscillatorEnabled[RO]propertyissettoTRUE.
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PropertyNodePathIviPwrMeter»ReferenceOscillator>>RefOscillatorLevel[RO]
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IviPwrMeterTriggerSource[TRG]IviPwrMeterTriggerSourcePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviPwrMeterConfigureTriggerSource[TRG]
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DescriptionSpecifiesthetriggersourcethepowermetermonitorsforthetriggerevent.Whenthetriggereventoccursonthesourcespecifiedbythisproperty,thepowermeterleavestheWait-For-Triggerstateandtakesameasurementonallenabledchannels.IfthispropertyissettotheInternaldefinedvalue,thepowermeterusesthechannelspecifiedbytheIviPwrMeter>>Trigger>>InternalTrigger>>InternalTriggerEventSource[IT]propertytomonitortheinternaltriggerevent.
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PropertyNodePathIviPwrMeter»Trigger>>TriggerSource[TRG]
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DefinedValuesIVIPWRMETER_VAL_IMMEDIATEIVIPWRMETER_VAL_EXTERNALIVIPWRMETER_VAL_INTERNALIVIPWRMETER_VAL_SOFTWARE_TRIGIVIPWRMETER_VAL_TTL0IVIPWRMETER_VAL_TTL1IVIPWRMETER_VAL_TTL2IVIPWRMETER_VAL_TTL3IVIPWRMETER_VAL_TTL4IVIPWRMETER_VAL_TTL5IVIPWRMETER_VAL_TTL6IVIPWRMETER_VAL_TTL7IVIPWRMETER_VAL_ECL0IVIPWRMETER_VAL_ECL1IVIPWRMETER_VAL_PXI_STARIVIPWRMETER_VAL_RTSI_0IVIPWRMETER_VAL_RTSI_1IVIPWRMETER_VAL_RTSI_2IVIPWRMETER_VAL_RTSI_3IVIPWRMETER_VAL_RTSI_4IVIPWRMETER_VAL_RTSI_5IVIPWRMETER_VAL_RTSI_6
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IviPwrMeterUnitsIviPwrMeterBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviPwrMeterConfigureUnits
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DescriptionSpecifiestheunittowhichtheRFpowerisconvertedaftermeasurement.TheactualRFpowerofthesignalonachannelisalwaysmeasuredinWatts.ThevalueofthispropertyisusedtodeterminetheunitsinwhichtheIviPwrMeter>>ManualRange>>RangeUpper[RNG]andIviPwrMeter>>ManualRange>>RangeLower[RNG]propertiesarespecified.TheunitofthemeasurementresultreturnedbytheReadandFetchVIsalsodependsonthevalueofthisproperty.
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PropertyNodePathIviPwrMeter»BasicOperation>>Units
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DefinedValuesIVIPWRMETER_VAL_DBMIVIPWRMETER_VAL_DBMVIVIPWRMETER_VAL_DBUVIVIPWRMETER_VAL_WATTS
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IviPwrMeterDefinedValuesExpandthisbooktoviewanalphabetizedlistofIviPwrMeterdefinedvalues.
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IVIPWRMETER_VAL_CALIBRATION_COMPLETEDescriptionThepowermeterhascompletedthecalibrationonallenabledchannels.
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DefinedValue1
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IVIPWRMETER_VAL_CALIBRATION_IN_PROGRESSDescriptionThepowermeterisstilltakingacalibrationononeormoreenabledchannels.
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DefinedValue0
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IVIPWRMETER_VAL_CALIBRATION_STATUS_UNKNOWNDescriptionThepowermetercannotdeterminethestatusofthecalibration.
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DefinedValue-1
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IVIPWRMETER_VAL_DBMDescriptionSetstheunitstodBm.
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DefinedValue1
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IVIPWRMETER_VAL_DBMVDescriptionSetstheunitstodBmillivolts.
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DefinedValue2
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IVIPWRMETER_VAL_DBUVDescriptionSetstheunitstodBmicrovolts.
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DefinedValue3
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IVIPWRMETER_VAL_DIFFERENCEDescriptionSubtractthepowermeasuredonOperand2fromthepowermeasuredonOperand1.
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DefinedValue1
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IVIPWRMETER_VAL_ECL0DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronECL0.
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DefinedValue200
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IVIPWRMETER_VAL_ECL1DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronECL1.
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DefinedValue201
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IVIPWRMETER_VAL_EXTERNALDescriptionThepowermeterexitstheWait-For-Triggerstatewhenatriggeroccursontheexternaltriggerinput.
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DefinedValue2
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IVIPWRMETER_VAL_IMMEDIATEDescriptionThepowermeterexitstheWait-For-Triggerstateimmediatelyafterentering.Itdoesnotwaitforatriggerofanykind.
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DefinedValue1
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IVIPWRMETER_VAL_INTERNALDescriptionThepowermeterexitstheWait-For-Triggerstatewhenaninternaltriggereventoccursonthemeasurementsignal.
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DefinedValue3
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IVIPWRMETER_VAL_MEAS_COMPLETEDescriptionThepowermeterhascompletedthemeasurementonallenabledchannels.
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DefinedValue1
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IVIPWRMETER_VAL_MEAS_IN_PROGRESSDescriptionThepowermeterisstilltakingameasurementononeormoreenabledchannels.
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DefinedValue0
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IVIPWRMETER_VAL_MEAS_STATUS_UNKNOWNDescriptionThepowermetercannotdeterminethestatusofthemeasurement.
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DefinedValue-1
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IVIPWRMETER_VAL_NEGATIVEDescriptionSetsthetriggereventtooccuronthefallingedgeofthetriggerpulse.
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DefinedValue0
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IVIPWRMETER_VAL_NONEDescriptionReturnthemeasuredvalueforOperand1.
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DefinedValue0
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IVIPWRMETER_VAL_POSITIVEDescriptionSetsthetriggereventtooccurontherisingedgeofthetriggerpulse.
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DefinedValue1
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IVIPWRMETER_VAL_PXI_STARDescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronPXIStartriggerbus.
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DefinedValue300
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IVIPWRMETER_VAL_QUOTIENTDescriptionDividethepowermeasuredonOperand1bythepowermeasuredonOperand2.
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DefinedValue3
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IVIPWRMETER_VAL_RTSI_0DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggerontheRTSI0line.
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DefinedValue400
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IVIPWRMETER_VAL_RTSI_1DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggerontheRTSI1line.
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DefinedValue401
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IVIPWRMETER_VAL_RTSI_2DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggerontheRTSI2line.
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DefinedValue402
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IVIPWRMETER_VAL_RTSI_3DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggerontheRTSI3line.
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DefinedValue403
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IVIPWRMETER_VAL_RTSI_4DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggerontheRTSI4line.
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DefinedValue404
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IVIPWRMETER_VAL_RTSI_5DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggerontheRTSI5line.
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DefinedValue405
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IVIPWRMETER_VAL_RTSI_6DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggerontheRTSI6line.
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DefinedValue406
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IVIPWRMETER_VAL_SOFTWARE_TRIGDescriptionThepowermeterexitstheWait-For-Triggerstatewhenitreceivesasoftwaretrigger.
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DefinedValue4
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IVIPWRMETER_VAL_SUMDescriptionAddthepowermeasuredonOperand2tothepowermeasuredonOperand1.
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DefinedValue2
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IVIPWRMETER_VAL_TTL0DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL0.
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DefinedValue100
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IVIPWRMETER_VAL_TTL1DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL1.
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DefinedValue101
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IVIPWRMETER_VAL_TTL2DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL2.
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DefinedValue102
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IVIPWRMETER_VAL_TTL3DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL3.
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DefinedValue103
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IVIPWRMETER_VAL_TTL4DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL4.
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DefinedValue104
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IVIPWRMETER_VAL_TTL5DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL5.
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DefinedValue105
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IVIPWRMETER_VAL_TTL6DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL6.
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DefinedValue106
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IVIPWRMETER_VAL_TTL7DescriptionThepowermeterexitstheWait-For-TriggerstatewhenitreceivesatriggeronTTL7.
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DefinedValue107
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IVIPWRMETER_VAL_WATTSDescriptionSetstheunitstoWatts.
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DefinedValue4
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IVIPWRMETER_VAL_ZERO_COMPLETEDescriptionThepowermeterhascompletedallzerocorrectionoperations.
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DefinedValue1
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IVIPWRMETER_VAL_ZERO_IN_PROGRESSDescriptionThepowermeterisstillperformingazerocorrectionononeormoreenabledchannels.
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DefinedValue0
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IVIPWRMETER_VAL_ZERO_STATUS_UNKNOWNDescriptionThepowermetercannotdeterminethestatusofthezerocorrection.
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DefinedValue-1
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IviRFSigGenClassDriverReferenceforLabVIEWIviRFSigGenVIandPropertyReferenceVITreePropertiesbyGroupErrorandCompletionCodes
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IviRFSigGenClassDriverOverviewThisinstrumentdriverprovidesprogrammingsupportfortheIviRFSigGenClass.TheIviRFSigGenclassisdesignedtosupportthetypicalRFsignalgeneratoraswellascommonextendedfunctionalityfoundinmorecomplexinstruments.TheIviRFSigGenclassconceptualizesaRFsignalgeneratorasaninstrumentthatcangenerateasinusoidalcarrierwaveformwithawidevarietyofmodulationtypes.ThedrivercontainsalltheVIsrequiredintheIviRFSigGenspecificationdefinedbytheIVIFoundation.ThisdriverrequiresNI-VISAandtheIVICompliancePackagetobeinstalled.TheIviRFSigGenclassisdividedintoabasecapabilitygroupandseveralextensiongroups.Thebasecapabilitygroupisusedtoconfigurethecarrierwaveform.Thisincludessettingtheoutputfrequencyandamplitude,enablingordisablingtheALCandtheRFoutput.
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IviRFSigGenExtensionCapabilityGroupsTheIviRFSigGenclassdriveridentifiesVIsandthatbelongtoanextensiongroupwiththefollowingabbreviations.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverthatyouusemustimplementthoseextensions.
GroupName Description
AnalogandPulseModulationExtensionGroups
IviRFSigGenModulateAM SupportssignalgeneratorsthatcanapplyamplitudemodulationtotheRFoutputsignal.Youcanenableordisableamplitudemodulation,specifythesourceandcouplingofthemodulatingsignalandthemodulationdepthwithlinearorlogarithmicattenuation.
IviRFSigGenModulateFM SupportssignalgeneratorsthatcanapplyfrequencymodulationtotheRFoutputsignal.Youcanenableordisablefrequencymodulation,specifythesourceandcouplingofthemodulatingsignalandthepeakfrequencydeviation.
IviRFSigGenModulatePM SupportssignalgeneratorsthatcanapplyphasemodulationtotheRFoutputsignal.Youcanenableordisablephasemodulation,specifythesourceandcouplingofthemodulatingsignalandthepeakphasedeviation.
IviRFSigGenAnalogModulationSource Thesourceofthemodulatingsignalisarepeatedcapability.Oneor
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moreinternalsources(LFGenerators)and/oroneandmoreexternalsourcescanbecombined.ThevoltageofallsignalsissummedbeforemodulatingtheRFSignal.
IviRFSigGenModulatePulse SupportssignalgeneratorsthatcanapplypulsemodulationtotheRFoutputsignal.Youcanenableordisablepulsemodulation,andspecifythesourceandthepolarityofthemodulatingsignal.
IviRFSigGenLFGenerator SupportstheLFgenerator(withintheRFsignalgenerator),thatisnormallyusedasasourceforthemodulators.TousetheLFgeneratorasamodulationsource,themodulationsourceintheModulateAMextensionsgroup,ModulateFMextensiongrouporModulatePMextensiongroupshouldbeconfigured.TheusercansetthefrequencyandthewaveformoftheLFsignal.
IviRFSigGenLFGeneratorOutput SupportstheoutputoftheLFgenerator,ifitisusedasasourceforexternaldevices.Youcansettheamplitudeandenableordisabletheoutput.RequirestheLFGeneratorextensiongroup.
IviRFSigGenPulseGenerator Supportsthepulsegeneratorwithinthesignalgeneratorthatisnormallyusedasasourceforthepulsemodulator.Youcansetthepulseperiod,widthanddelay.Thepulsecanbetriggered,sosourceandexternaltriggerpolaritycanbeset.
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DoublepulsecanbesetwiththefunctionsandattributesoftheIviRFSigGenPulseDoubleGeneratorextensiongroup.TheoutputofthepulsegeneratorcanbesetwiththefunctionsandattributesoftheIviRFSigGenPulseOutputextensiongroup.
IviRFSigGenPulseDoubleGenerator ExtendstheIviRFSigGenPulseGeneratorextensiongrouptosupportdoublepulsegeneration.
IviRFSigGenPulseGeneratorOutput RequirestheIviRFSigGenPulseGeneratorextensiongroup.Theoutputofthepulsegeneratorcanbeenabledordisabledanditspolarityset.
SweepExtensionGroups
IviRFSigGenSweep Supportssignalgeneratorswiththeabilitytosweep(orstep)thefrequencyorthepoweroftheRFoutputsignal.
IviRFSigGenFrequencySweep Supportssignalgeneratorsthatcanapplyafrequencysweeptotheoutputsignal.Youmayconfigurethesweepwithstartandstop,orcenterandspanfrequencies.Thesweeptimeisalsoconfigurable.InordertosupporttheIviRFSigGenFrequencySweepextensiongroup,adrivershallfirstsupporttheIviRFSigGenSweepextensiongroup.ThisextensiongroupisactivewhentheSweepModeattributeissettoFrequency
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Sweep.IviRFSigGenPowerSweep Supportssignalgeneratorsthatcan
applyapowersweeptotheoutputsignal.Youmayconfigurethesweepwithstartandstoppower.Thesweeptimeisalsoconfigurable.Inordertosupportthisextensiongroup,adrivershallfirstsupporttheIviRFSigGenSweepextensiongroup.ThisextensiongroupisactivewhentheSweepModeattributeissettoPowerSweep.
IviRFSigGenFrequencyStep Supportssignalgeneratorsthatcanvary(sweep)thefrequencyoftheRFoutputsignalinsteps.Youcanspecifythestart,stopandstepfrequencyandsetlinearorlogarithmicspacing.Settingsinglestepanddwelltimearealsoincluded.ThisextensiongrouprequirestheIviRFSigGenSweepextensiongroup.FrequencysteppingisenabledbysettingtheSweepModetoFrequencyStepintheIviRFSigGenSweepextensiongroup.
IviRFSigGenPowerStep Supportssignalgeneratorsthatcanvary(sweep)thepoweroftheRFoutputsignalinsteps.Theusercanenableordisablestepping,specifythestart,stopandsteppower.Settingsinglestepanddwelltimearealsoincluded.ThisextensiongrouprequirestheSweepextensiongroup.PowersteppingisenabledbysettingtheSweepModetoPowerStepinthe
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IviRFSigGenSweepextensiongroup.
IviRFSigGenList SupportssignalgeneratorsthatcansetthefrequencyandpoweroftheRFoutputsignaltovaluesgivenasalistofvalues.Youcanenableordisablesteppingthefrequencyandpowerlist,specifythenameofthelistandsetitsvalues.Theactivelistcanbeselectedusingthelistname.Settingsinglestepanddwelltimearealsoincluded.ThisextensiongrouprequirestheSweepextensiongroup.ListsteppingisenabledbysettingtheSweepModetoListintheIviRFSigGenSweepextensiongroup.
DigitalModulationExtensionGroups
IviRFSigGenModulateIQ SupportssignalgeneratorsthatcanapplyIQ(vector)modulationtotheRFoutputsignal.YoucanenableordisableIQmodulationandspecifythesourceofthemodulatingsignal.Acalibrationisexecutedwithaneventfunction.
IviRFSigGenImpairmentIQ SupportssignalgeneratorsthatcanapplyIQ(vector)modulationtotheRFoutputsignal.YoucanenableordisableIQmodulationandspecifythesourceofthemodulatingsignal.Acalibrationisexecutedwithaneventfunction.
IviRFSigGenArbGenerator Controlstheinternalarbitrarywaveformgenerator.Thetwo
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outputsoftheArbgeneratorareusedwiththeIQ(vector)modulationtosimulatedigitalmodulation.ThisgroupisanextensionoftheIviRFSigGenModulateIQextensiongroup.
IviRFSigGenDigitalModulationBase Usingthisextensiongroup,youcangeneratesignalsconformingtowirelesscommunicationstandards(e.g.mobilecellularstandards).ThegeneratedsignalsdonothaveTDMAframingnorCDMAchannelcoding.ThefunctionalitycoversbasicmodulationpropertiessuchasIQconstellation,symbolmapping,etc.withinaspecifiedcommunicationstandard.
IviRFSigGenCDMABase Usethisextensiongrouptosimulatemobile(cell)phonemodulationbasedonCodeDivisionMultipleAccess(CDMA)standards.
IviRFSigGenTDMABase Usethisextensiongrouptosimulatemobile(cell)phonemodulationbasedonTimeDivisionMultipleAccess(TDMA)standards.
RemainingExtensionGroups
IviRFSigGenALC ForgeneratorswithconfigurableAutomaticLevelControl.
IviRFSigGenReferenceOscillator Supportssignalgeneratorswithaconfigurablefrequencyreference.
IviRFSigGenSoftwareTrigger SupportsRFsignalgeneratorsthatcangenerateoutputbasedonasoftwaretriggersignal.Youcansendasoftwaretriggertocausesignaloutputtooccur,tostarta
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sweep(frequencyorpower),ortoinitiatethenextstep(frequencyand/orpower).
RelatedTopicIVIInherentClassCapabilities
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IviRFSigGenExtensionCapabilityGroupsTheIviRFSigGenclassdriveridentifiesVIsandthatbelongtoanextensiongroupwiththefollowingabbreviations.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverthatyouusemustimplementthoseextensions.
GroupName DescriptionIviRFSigGenModulateAM Supportssignalgeneratorsthatcan
applyamplitudemodulationtotheRFoutputsignal.Youcanenableordisableamplitudemodulation,specifythesourceandcouplingofthemodulatingsignalandthemodulationdepthwithlinearorlogarithmicattenuation.
IviRFSigGenModulateFM SupportssignalgeneratorsthatcanapplyfrequencymodulationtotheRFoutputsignal.Youcanenableordisablefrequencymodulation,specifythesourceandcouplingofthemodulatingsignalandthepeakfrequencydeviation.
IviRFSigGenModulatePM SupportssignalgeneratorsthatcanapplyphasemodulationtotheRFoutputsignal.Youcanenableordisablephasemodulation,specifythesourceandcouplingofthemodulatingsignalandthepeakphasedeviation.
IviRFSigGenAnalogModulationSource Thesourceofthemodulatingsignalisarepeatedcapability.Oneormoreinternalsources(LFGenerators)and/oroneandmoreexternalsourcescanbecombined.
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ThevoltageofallsignalsissummedbeforemodulatingtheRFSignal.
IviRFSigGenModulatePulse SupportssignalgeneratorsthatcanapplypulsemodulationtotheRFoutputsignal.Youcanenableordisablepulsemodulation,andspecifythesourceandthepolarityofthemodulatingsignal.
IviRFSigGenLFGenerator SupportstheLFgenerator(withintheRFsignalgenerator),thatisnormallyusedasasourceforthemodulators.TousetheLFgeneratorasamodulationsource,themodulationsourceintheModulateAMextensionsgroup,ModulateFMextensiongrouporModulatePMextensiongroupshouldbeconfigured.TheusercansetthefrequencyandthewaveformoftheLFsignal.
IviRFSigGenLFGeneratorOutput SupportstheoutputoftheLFgenerator,ifitisusedasasourceforexternaldevices.Youcansettheamplitudeandenableordisabletheoutput.RequirestheLFGeneratorextensiongroup.
IviRFSigGenPulseGenerator Supportsthepulsegeneratorwithinthesignalgeneratorthatisnormallyusedasasourceforthepulsemodulator.Youcansetthepulseperiod,widthanddelay.Thepulsecanbetriggered,sosourceandexternaltriggerpolaritycanbeset.DoublepulsecanbesetwiththeVIsandoftheIviRFSigGenPulseDoubleGenerator
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extensiongroup.TheoutputofthepulsegeneratorcanbesetwiththeVIsandoftheIviRFSigGenPulseOutputextensiongroup.
IviRFSigGenPulseDoubleGenerator ExtendstheIviRFSigGenPulseGeneratorextensiongrouptosupportdoublepulsegeneration.
IviRFSigGenPulseGeneratorOutput RequirestheIviRFSigGenPulseGeneratorextensiongroup.Theoutputofthepulsegeneratorcanbeenabledordisabledanditspolarityset.
IviRFSigGenSweep Supportssignalgeneratorswiththeabilitytosweep(orstep)thefrequencyorthepoweroftheRFoutputsignal.
IviRFSigGenFrequencySweep Supportssignalgeneratorsthatcanapplyafrequencysweeptotheoutputsignal.Youmayconfigurethesweepwithstartandstop,orcenterandspanfrequencies.Thesweeptimeisalsoconfigurable.InordertosupporttheIviRFSigGenFrequencySweepextensiongroup,adrivershallfirstsupporttheIviRFSigGenSweepextensiongroup.ThisextensiongroupisactivewhentheSweepModepropertyissettoFrequencySweep.
IviRFSigGenPowerSweep Supportssignalgeneratorsthatcanapplyapowersweeptotheoutputsignal.Youmayconfigurethesweepwithstartandstoppower.Thesweeptimeisalso
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configurable.Inordertosupportthisextensiongroup,adrivershallfirstsupporttheIviRFSigGenSweepextensiongroup.ThisextensiongroupisactivewhentheSweepModepropertyissettoPowerSweep.
IviRFSigGenFrequencyStep Supportssignalgeneratorsthatcanvary(sweep)thefrequencyoftheRFoutputsignalinsteps.Youcanspecifythestart,stopandstepfrequencyandsetlinearorlogarithmicspacing.Settingsinglestepanddwelltimearealsoincluded.ThisextensiongrouprequirestheIviRFSigGenSweepextensiongroup.FrequencysteppingisenabledbysettingtheSweepModetoFrequencyStepintheIviRFSigGenSweepextensiongroup.
IviRFSigGenPowerStep Supportssignalgeneratorsthatcanvary(sweep)thepoweroftheRFoutputsignalinsteps.Theusercanenableordisablestepping,specifythestart,stopandsteppower.Settingsinglestepanddwelltimearealsoincluded.ThisextensiongrouprequirestheIviRFSigGenSweepextensiongroup.PowersteppingisenabledbysettingtheSweepModeattributetoPowerStepintheIviRFSigGenSweepextensiongroup.
IviRFSigGenList SupportssignalgeneratorsthatcansetthefrequencyandpoweroftheRFoutputsignaltovaluesgivenas
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alistofvalues.Youcanenableordisablesteppingthefrequencyandpowerlist,specifythenameofthelistandsetitsvalues.Theactivelistcanbeselectedusingthelistname.Settingsinglestepanddwelltimearealsoincluded.ThisextensiongrouprequirestheIviRFSigGenSweepextensiongroup.ListsteppingisenabledbysettingtheSweepModetoListintheIviRFSigGenSweepExtensionGroup.
IviRFSigGenALC ForgeneratorswithconfigurableAutomaticLevelControl.
IviRFSigGenReferenceOscillator Supportssignalgeneratorswithaconfigurablefrequencyreference.
IviRFSigGenSoftwareTrigger SupportsRFsignalgeneratorsthatcangenerateoutputbasedonasoftwaretriggersignal.Youcansendasoftwaretriggertocausesignaloutputtooccur,tostartasweep(frequencyorpower),ortoinitiatethenextstep(frequencyand/orpower).ThisextensionaffectsinstrumentbehaviorwhentheTriggerSourcepropertyissettoSoftwareTrigger.
IviRFSigGenModulateIQ SupportssignalgeneratorsthatcanapplyIQ(vector)modulationtotheRFoutputsignal.YoucanenableordisableIQmodulationandspecifythesourceofthemodulatingsignal.AcalibrationisexecutedwithaneventVI.
IviRFSigGenIQImpairment SimulatesorcorrectsimpairmentonIQ(vector)modulation.This
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groupisanextensionoftheIviRFSigGenModulateIQExtensionGroup.
IviRFSigGenArbGenerator Controlstheinternalarbitrarywaveformgenerator.ThetwooutputsoftheArbgeneratorareusedwiththeIQ(vector)modulationtosimulatedigitalmodulation.ThisgroupisanextensionoftheIviRFSigGenModulateIQExtensionGroup.
IviRFSigGenDigitalModulationBase Usingthisextensiongroup,youcangeneratesignalsconformingtowirelesscommunicationstandards(e.g.mobilecellularstandards).ThegeneratedsignalsdonothaveTDMAframingnorCDMAchannelcoding.ThefunctionalitycoversbasicmodulationpropertiessuchasIQconstellation,symbolmapping,etc.withinaspecifiedcommunicationstandard.
IviRFSigGenCDMABase Usethisextensiongrouptosimulatemobile(cell)phonemodulationbasedonCodeDivisionMultipleAccess(CDMA)standards.
IviRFSigGenTDMABase Usethisextensiongrouptosimulatemobile(cell)phonemodulationbasedonTimeDivisionMultipleAccess(TDMA)standards.
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IviRFSigGenALCExtensionGroupForgeneratorswithconfigurableAutomaticLevelControl.
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IviRFSigGenALCVIIviRFSigGen_ConfigureALC
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IviRFSigGenALCPropertiesIVIRFSIGGEN_ATTR_ALC_SOURCEIVIRFSIGGEN_ATTR_ALC_BANDWIDTH
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IviRFSigGenAnalogModulationSourceExtensionGroupThesourceofthemodulatingsignalisarepeatedcapability,whichisreferredtoasAnalogModulationSource.Oneormoreinternalsources(LFGenerators)and/oroneandmoreexternalsourcescanbecombined.ThevoltageofallsignalsissummedbeforemodulatingtheRFSignal.Thisappliestothefollowingextensiongroups:
IviRFSigGenModulateAMIviRFSigGenModulateFMIviRFSigGenModulatePM
Typically,alltheLFGeneratorsdefinedintheIviRFSigGenLFGeneratorextensiongrouphaveacorrespondingAnalogModulationSource(orrepeatedcapability).
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IviRFSigGenAnalogModulationSourceVIIviRFSigGen_Get_Analog_Modulation_Source_Name
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IviRFSigGenAnalogModulationSourceAttributeIVIRFSIGGEN_ATTR_ANALOG_MODULATION_SOURCE_COUNT
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IviRFSigGenArbGeneratorExtensionGroupTheIviRFSigGenArbGeneratorextensiongroupcontrolstheinternalarbitrarywaveformgenerator.ThetwooutputsoftheArbgeneratorareusedwiththeIQ(vector)modulationtosimulatedigitalmodulation.SothisgroupisanextensionoftheIviRFSigGenModulateIQextensiongroup.
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IviRFSigGenArbGeneratorVIsIviRFSigGen_Configure_ArbIviRFSigGen_Write_Arb_WaveformIviRFSigGen_Select_Arb_WaveformIviRFSigGen_Clear_All_Arb_WaveformsIviRFSigGen_Query_Arb_Waveform_CapabilitiesIviRFSigGen_Configure_Arb_Trigger_SourceIviRFSigGen_Configure_Arb_External_Trigger_Slope
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IviRFSigGenArbGeneratorPropertiesIVIRFSIGGEN_ATTR_ARB_SELECTED_WAVEFORMIVIRFSIGGEN_ATTR_ARB_CLOCK_FREQUENCYIVIRFSIGGEN_ATTR_ARB_FILTER_FREQUENCYIVIRFSIGGEN_ATTR_ARB_MAX_NUMBER_WAVEFORMSIVIRFSIGGEN_ATTR_ARB_WAVEFORM_QUANTUMIVIRFSIGGEN_ATTR_ARB_WAVEFORM_SIZE_MINIVIRFSIGGEN_ATTR_ARB_WAVEFORM_SIZE_MAXIVIRFSIGGEN_ATTR_ARB_TRIGGER_SOURCEIVIRFSIGGEN_ATTR_ARB_EXTERNAL_TRIGGER_SLOPE
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IviRFSigGenBaseCapabilityGroupTheIviRFSigGenBasecapabilitiesgroupsupportsthebasicsignalgeneratorcapabilities.
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IviRFSigGenVIsIviRFSigGen_ConfigureRFIviRFSigGen_ConfigureALCEnabledIviRFSigGen_ConfigureOutputEnabledIviRFSigGen_DisableAllModulationIviRFSigGen_WaitUntilSettledIviRFSigGen_IsSettled
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IviRFSigGenPropertiesIVIRFSIGGEN_ATTR_FREQUENCYIVIRFSIGGEN_ATTR_POWER_LEVELIVIRFSIGGEN_ATTR_ALC_ENABLEDIVIRFSIGGEN_ATTR_OUTPUT_ENABLEDRelatedTopicsIVIInherentVIsIVIInherentProperties
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IviRFSigGenCDMABaseExtensionGroupWiththeIviRFSigGenCDMABaseextensiongroupyoucansimulatemobile(cell)phonemodulationbasedonCodeDivisionMultipleAccess(CDMA)standards.
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IviRFSigGenTDMABaseVIsIviRFSigGen_SelectCDMAStandardviRFSigGen_ConfigureCDMAClockSourceIviRFSigGen_ConfigureCDMATriggerSourceIviRFSigGen_ConfigureCDMAExternalTriggerSlopeIviRFSigGen_GetCDMATestModelNameIviRFSigGen_SelectCDMATestModel
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IviRFSigGenCDMABasePropertiesIVIRFSIGGEN_ATTR_CDMA_STANDARD_COUNTVIRFSIGGEN_ATTR_CDMA_SELECTED_STANDARDIVIRFSIGGEN_ATTR_CDMA_TRIGGER_SOURCEIVIRFSIGGEN_ATTR_CDMA_EXTERNAL_TRIGGER_SLOPEIVIRFSIGGEN_ATTR_CDMA_TEST_MODEL_COUNTIVIRFSIGGEN_ATTR_CDMA_SELECTED_TEST_MODELIVIRFSIGGEN_ATTR_CDMA_CLOCK_SOURCE
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IviRFSigGenDigitalModulationBaseExtensionGroupWiththeIviRFSigGenDigitalModulationBaseextensiongroupyoucangeneratesignalsconformingtowirelesscommunicationstandards(e.g.mobilecellularstandards).ThegeneratedsignalsdonothaveTDMAframingnorCDMAchannelcoding.ThefunctionalitycoversbasicmodulationpropertiessuchasIQconstellation,symbolmapping,etc.withinaspecifiedcommunicationstandard.
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IviRFSigGenDigitalModulationBaseVIsIviRFSigGen_GetDigitalModulationBaseStandardNameIviRFSigGen_SelectDigitalModulationBaseStandardIviRFSigGen_Configure_DigitalModulationBase_Clock_SourceIviRFSigGen_ConfigureDigitalModulationBaseDataSourceIviRFSigGen_ConfigureDigitalModulationBasePRBSTypeIviRFSigGen_WriteDigitalModulationBaseBitSequenceIviRFSigGen_SelectDigitalModulationBaseBitSequenceIviRFSigGen_ClearAllDigitalModulationBaseBitSequences
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IviRFSigGenDigitalModulationBasePropertiesIVIRFSIGGEN_ATTR_DIGITAL_MODULATION_BASE_STANDARD_COUNTIVIRFSIGGEN_ATTR_DIGITAL_MODULATION_BASE_SELECTED_STANDARDIVIRFSIGGEN_ATTR_DIGITAL_MODULATION_BASE_DATA_SOURCEIVIRFSIGGEN_ATTR_DIGITAL_MODULATION_BASE_PRBS_TYPEIVIRFSIGGEN_ATTR_DIGITAL_MODULATION_BASE_SELECTED_BIT_SEQUENCEIVIRFSIGGEN_ATTR_DIGITAL_MODULATION_BASE_CLOCK_SOURCEIVIRFSIGGEN_ATTR_DIGITAL_MODULATION_BASE_EXTERNAL_CLOCK_TYPE
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IviRFSigGenFrequencyStepExtensionGroupTheIviRFSigGenFrequencyStepExtensionGroupsupportssignalgeneratorsthatcanvary(sweep)thefrequencyoftheRFoutputsignalinsteps.Youcanspecifythestart,stopandstepfrequencyandsetlinearorlogarithmicspacing.Settingsinglestepanddwelltimearealsoincluded.ThisextensiongrouprequirestheIviRFSigGenSweepextensiongroup.FrequencysteppingisenabledbysettingtheSweepModetoFrequencyStepintheIviRFSigGenSweepextensiongroup.
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IviRFSigGenFrequencyStepVIsIviRFSigGen_Configure_Frequency_Step_Start_StopIviRFSigGen_ConfigureFrequencyStepDwellIviRFSigGen_ResetFrequencyStep
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IviRFSigGenFrequencyStepPropertiesIVIRFSIGGEN_ATTR_FREQUENCY_STEP_STARTIVIRFSIGGEN_ATTR_FREQUENCY_STEP_STOPIVIRFSIGGEN_ATTR_FREQUENCY_STEP_SCALINGIVIRFSIGGEN_ATTR_FREQUENCY_STEP_SIZEIVIRFSIGGEN_ATTR_FREQUENCY_STEP_SINGLE_STEP_ENABLEDIVIRFSIGGEN_ATTR_FREQUENCY_STEP_DWELL
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IviRFSigGenFrequencySweepExtensionGroupTheIviRFSigGenFrequencySweepextensiongroupsupportssignalgeneratorsthatcanapplyafrequencysweeptotheoutputsignal.Youmayconfigurethesweepwithstartandstop,orcenterandspanfrequencies.Thesweeptimeisalsoconfigurable.InordertosupporttheIviRFSigGenFrequencySweepextensiongroup,adrivershallfirstsupporttheIviRFSigGenSweepextensiongroup.TheIviRFSigGenSweepextensiongroupisactivewhentheSweepModepropertyissettoFrequencySweep.
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IviRFSigGenFrequencySweepVIsIviRFSigGen_ConfigureFrequencySweepStartStopIviRFSigGen_ConfigureFrequencySweepCenterSpanIviRFSigGen_ConfigureFrequencySweepTime
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IviRFSigGenFrequencySweepPropertiesIVIRFSIGGEN_ATTR_FREQUENCY_SWEEP_STARTIVIRFSIGGEN_ATTR_FREQUENCY_STEP_STOPIVIRFSIGGEN_ATTR_FREQUENCY_SWEEP_TIME
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IviRFSigGenIQImpairmentExtensionGroupWiththeIviRFSigGenIQImpairmentextensiongroupyoucansimulateorcorrectimpairmentonIQ(vector)modulation.TheIviRFSigGenIQImpairmentextensiongroupisanextensionoftheIviRFSigGenModulateIQextensiongroup.
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IviRFSigGenIQImpairmentVIsIviRFSigGen_ConfigureIQImpairmentEnabledIviRFSigGen_ConfigureIQImpairment
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IviRFSigGenIQImpairmentPropertiesIVIRFSIGGEN_ATTR_IQ_IMPAIRMENT_ENABLEDIVIRFSIGGEN_ATTR_IQ_I_OFFSETIVIRFSIGGEN_ATTR_IQ_Q_OFFSETIVIRFSIGGEN_ATTR_IQ_RATIOIVIRFSIGGEN_ATTR_IQ_SKEW
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IviRFSigGenLFGeneratorExtensionGroupTheIviRFSigGenLFGeneratorextensiongroupsupportstheLFgenerator(withintheRFsignalgenerator),thatisnormallyusedasasourceforthemodulators.TousetheLFgeneratorasamodulationsource,themodulationsourceintheIviRFSigGenModulateAMextensionsgroup,IviRFSigGenModulateFMextensiongrouporIviRFSigGenModulatePMextensiongroupshouldbeconfigured.YoucansetthefrequencyandthewaveformoftheLFsignal.
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IviRFSigGenLFGeneratorVIsIviRFSigGen_GetLFGeneratorNameIviRFSigGen_SetActiveLFGeneratorIviRFSigGen_ConfigureLFGeneratorOutput
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IviRFSigGenLFGeneratorPropertiesIVIRFSIGGEN_ATTR_ACTIVE_LF_GENERATORIVIRFSIGGEN_ATTR_LF_GENERATOR_COUNTIVIRFSIGGEN_ATTR_LF_GENERATOR_FREQUENCYIVIRFSIGGEN_ATTR_LF_GENERATOR_WAVEFORM
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IviRFSigGenLFGeneratorOutputExtensionGroupTheIviRFSigGenLFGeneratorOutputextensiongroupsupportstheoutputoftheLFgenerator,ifitisusedasasourceforexternaldevices.Youcansettheamplitudeandenableordisabletheoutput.TheIviRFSigGenLFGeneratorOutputrequirestheIviRFSigGenLFGeneratorextensiongroup.
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IviRFSigGenLFGeneratorOutputVIIviRFSigGen_ConfigureLFGeneratorOutput
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IviRFSigGenLFGeneratorOutputPropertiesIVIRFSIGGEN_ATTR_LF_GENERATOR_OUTPUT_AMPLITUDEIVIRFSIGGEN_ATTR_LF_GENERATOR_OUTPUT_ENABLED
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IviRFSigGenListExtensionGroupTheIviRFSigGenListextensiongroupsupportssignalgeneratorsthatcansetthefrequencyandpoweroftheRFoutputsignaltovaluesgivenasalistofvalues.Youcanenableordisablesteppingthefrequencyandpowerlist,specifythenameofthelistandsetitsvalues.Theactivelistcanbeselectedusingthelistname.Settingsinglestepanddwelltimearealsoincluded.TheIviRFSigGenListextensiongrouprequirestheIviRFSigGenSweepextensiongroup.ListsteppingisenabledbysettingtheSweepModeattributetoListintheIviRFSigGenSweepextensiongroup.
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IviRFSigGenListVIsIviRFSigGen_CreateFrequencyListIviRFSigGen_CreatePowerListIviRFSigGen_CreateFrequencyPowerListIviRFSigGen_SelectListIviRFSigGen_ClearAllListsIviRFSigGen_ConfigureListDwellIviRFSigGen_ResetList
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IviRFSigGenListPropertiesIVIRFSIGGEN_ATTR_LIST_SELECTED_NAMEIVIRFSIGGEN_ATTR_LIST_SINGLE_STEP_ENABLEDIVIRFSIGGEN_ATTR_LIST_DWELL
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IviRFSigGenModulateAMExtensionGroupTheIviRFSigGenModulateAMextensiongroupsupportssignalgeneratorsthatcanapplyamplitudemodulationtotheRFoutputsignal.Youcanenableordisableamplitudemodulation,specifythesourceandcouplingofthemodulatingsignalandthemodulationdepthwithlinearorlogarithmicattenuation.
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IviRFSigGenModulateAMVIsIviRFSigGen_ConfigureAMEnabledIviRFSigGen_ConfigureAMExternalCouplingIviRFSigGen_ConfigureAM
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IviRFSigGenModulateAMPropertiesIVIRFSIGGEN_ATTR_AM_ENABLEDIVIRFSIGGEN_ATTR_AM_SOURCEIVIRFSIGGEN_ATTR_AM_SCALINGIVIRFSIGGEN_ATTR_AM_EXTERNAL_COUPLINGIVIRFSIGGEN_ATTR_AM_NOMINAL_VOLTAGEIVIRFSIGGEN_ATTR_AM_DEPTH
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IviRFSigGenModulateFMExtensionGroupTheIviRFSigGenModulateFMextensiongroupsupportssignalgeneratorsthatcanapplyfrequencymodulationtotheRFoutputsignal.Youcanenableordisablefrequencymodulation,specifythesourceandcouplingofthemodulatingsignalandthepeakfrequencydeviation.
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IviRFSigGenModulateFMVIsIviRFSigGen_ConfigureFMEnabledIviRFSigGen_ConfigureFMExternalCouplingIviRFSigGen_ConfigureFM
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IviRFSigGenModulateFMPropertiesIVIRFSIGGEN_ATTR_FM_ENABLEDIVIRFSIGGEN_ATTR_FM_SOURCEIVIRFSIGGEN_ATTR_FM_EXTERNAL_COUPLINGIVIRFSIGGEN_ATTR_FM_NOMINAL_VOLTAGEIVIRFSIGGEN_ATTR_FM_DEVIATION
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IviRFSigGenModulateIQExtensionGroupTheIviRFSigGenModulateIQextensiongroupsupportssignalgeneratorsthatcanapplyIQ(vector)modulationtotheRFoutputsignal.TheusercanenableordisableIQmodulationandspecifythesourceofthemodulatingsignal.AcalibrationisexecutedwithaneventVI.
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IviRFSigGenModulateIQVIsIviRFSigGen_ConfigureIQEnabledIviRFSigGen_ConfigureIQIviRFSigGen_CalibrateIQ
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IviRFSigGenModulateIQPropertiesIVIRFSIGGEN_ATTR_IQ_ENABLEDIVIRFSIGGEN_ATTR_IQ_SOURCEIVIRFSIGGEN_ATTR_IQ_NOMINAL_VOLTAGEIVIRFSIGGEN_ATTR_IQ_SWAP_ENABLED
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IviRFSigGenModulatePMExtensionGroupTheIviRFSigGenModulatePMextensiongroupsupportssignalgeneratorsthatcanapplyphasemodulationtotheRFoutputsignal.Youcanenableordisablephasemodulation,specifythesourceandcouplingofthemodulatingsignalandthepeakphasedeviation.
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IviRFSigGenModulatePMVIsIviRFSigGen_ConfigurePMEnabledIviRFSigGen_ConfigurePMExternalCouplingIviRFSigGen_ConfigurePM
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IviRFSigGenModulatePMPropertiesIVIRFSIGGEN_ATTR_PM_ENABLEDIVIRFSIGGEN_ATTR_PM_SOURCEIVIRFSIGGEN_ATTR_PM_EXTERNAL_COUPLINGIVIRFSIGGEN_ATTR_PM_NOMINAL_VOLTAGEIVIRFSIGGEN_ATTR_PM_DEVIATION
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IviRFSigGenModulatePulseExtensionGroupTheIviRFSigGenModulatePulseextensiongroupsupportssignalgeneratorsthatcanapplypulsemodulationtotheRFoutputsignal.Youcanenableordisablepulsemodulation,andspecifythesourceandthepolarityofthemodulatingsignal.
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IviRFSigGenModulatePulseVIsIviRFSigGen_ConfigurePulseModulationEnabledIviRFSigGen_ConfigurePulseModulationSourceIviRFSigGen_ConfigurePulseModulationExternalPolarity
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IviRFSigGenModulatePulsePropertiesIVIRFSIGGEN_ATTR_PULSE_MODULATION_ENABLEDIVIRFSIGGEN_ATTR_PULSE_MODULATION_SOURCEIVIRFSIGGEN_ATTR_PULSE_MODULATION_EXTERNAL_POLARITY
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IviRFSigGenPowerStepExtensionGroupTheIviRFSigGenPowerStepextensiongroupsupportssignalgeneratorsthatcanvary(sweep)thepoweroftheRFoutputsignalinsteps.Youcanenableordisablestepping,specifythestart,stopandsteppower.Settingsinglestepanddwelltimearealsoincluded.TheIviRFSigGenPowerStepextensiongrouprequirestheIviRFSigGenSweepextensiongroup.PowersteppingisenabledbysettingtheSweepModepropertytoPowerStepintheIviRFSigGenSweepextensiongroup.
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IviRFSigGenPowerStepVIsIviRFSigGen_ConfigurePowerStepStartStopIviRFSigGen_ConfigurePowerStepDwellIviRFSigGen_ResetPowerStep
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IviRFSigGenPowerStepPropertiesIVIRFSIGGEN_ATTR_POWER_STEP_STARTIVIRFSIGGEN_ATTR_POWER_STEP_STOPIVIRFSIGGEN_ATTR_POWER_STEP_SIZEIVIRFSIGGEN_ATTR_POWER_STEP_SINGLE_STEP_ENABLEDIVIRFSIGGEN_ATTR_POWER_STEP_DWELL
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IviRFSigGenPowerSweepExtensionGroupTheIviRFSigGenPowerSweepextensiongroupsupportssignalgeneratorsthatcanapplyapowersweeptotheoutputsignal.Youmayconfigurethesweepwithstartandstoppower.Thesweeptimeisalsoconfigurable.InordertosupporttheIviRFSigGenPowerSweepextensiongroup,adrivershallfirstsupporttheIviRFSigGenSweepextensiongroup.TheIviRFSigGenSweepextensiongroupisactivewhentheSweepModepropertyissettoPowerSweep.
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IviRFSigGenPowerSweepVIsIviRFSigGen_ConfigurePowerSweepStartStopIviRFSigGen_ConfigurePowerSweepTime
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IviRFSigGenPowerSweepPropertiesIVIRFSIGGEN_ATTR_POWER_SWEEP_STARTIVIRFSIGGEN_ATTR_POWER_SWEEP_STOPIVIRFSIGGEN_ATTR_POWER_SWEEP_TIME
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IviRFSigGenPulseDoubleGeneratorExtensionGroupTheIviRFSigGenPulseDoubleGeneratorextensiongroupextendstheIviRFSigGenPulseGeneratorextensiongrouptosupportdoublepulsegeneration.
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IviRFSigGenPulseDoubleGeneratorVIIviRFSigGen_ConfigurePulseDouble
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IviRFSigGenPulseDoubleGeneratorPropertiesIVIRFSIGGEN_ATTR_PULSE_DOUBLE_ENABLEDIVIRFSIGGEN_ATTR_PULSE_DOUBLE_DELAY
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IviRFSigGenPulseGeneratorExtensionGroupTheIviRFSigGenPulseGeneratorextensiongroupsupportsthepulsegeneratorwithinthesignalgeneratorthatisnormallyusedasasourceforthepulsemodulator.Youcansetthepulseperiod,widthanddelay.Thepulsecanbetriggered,sosourceandexternaltriggerpolaritycanbeset.DoublepulsecanbesetwiththeVIsandpropertiesoftheIviRFSigGenPulseDoubleGeneratorextensiongroup.TheoutputofthepulsegeneratorcanbesetwiththeVIsandpropertiesoftheIviRFSigGenPulseGeneratorOutputextensiongroup.
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IviRFSigGenPulseGeneratorVIsIviRFSigGen_ConfigurePulseExternalTriggerIviRFSigGen_ConfigurePulseInternalTriggerIviRFSigGen_ConfigurePulse
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IviRFSigGenPulseGeneratorPropertiesIVIRFSIGGEN_ATTR_PULSE_INTERNAL_TRIGGER_PERIODIVIRFSIGGEN_ATTR_PULSE_WIDTHIVIRFSIGGEN_ATTR_PULSE_GATING_ENABLEDIVIRFSIGGEN_ATTR_PULSE_TRIGGER_SOURCEIVIRFSIGGEN_ATTR_PULSE_EXTERNAL_TRIGGER_SLOPEIVIRFSIGGEN_ATTR_PULSE_EXTERNAL_TRIGGER_DELAY
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IviRFSigGenPulseGeneratorOutputExtensionGroupTheIviRFSigGenPulseGeneratorOutputextensiongrouprequirestheIviRFSigGenPulseGeneratorextensiongroup.Theoutputofthepulsegeneratorcanbeenabledordisabledanditspolarityset.
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IviRFSigGenPulseGeneratorOutputPropertiesIVIRFSIGGEN_ATTR_PULSE_OUTPUT_POLARITYIVIRFSIGGEN_ATTR_PM_SOURCE
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IviRFSigGenReferenceOscillatorExtensionGroupTheIviRFSigGenReferenceOscillatorextensiongroupsupportssignalgeneratorswithaconfigurablefrequencyreference.
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IviRFSigGenReferenceOscillatorVIIviRFSigGen_ConfigureReferenceOscillator
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IviRFSigGenReferenceOscillatorPropertiesIVIRFSIGGEN_ATTR_REFERENCE_OSCILLATOR_SOURCEIVIRFSIGGEN_ATTR_REFERENCE_OSCILLATOR_EXTERNAL_FREQUENCY
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IviRFSigGenSoftwareTriggerExtensionGroupTheIviRFSigGenSoftwareTriggerextensiongroupsupportsRFsignalgeneratorsthatcangenerateoutputbasedonasoftwaretriggersignal.Youcansendasoftwaretriggertocausesignaloutputtooccur,tostartasweep(frequencyorpower),ortoinitiatethenextstep(frequencyand/orpower).TheIviRFSigGenSoftwareTriggerextensiongroupaffectsinstrumentbehaviorwhentheTriggerSourcepropertyissettoSoftwareTrigger.
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IviRFSigGenSoftwareTriggerVIIviRFSigGen_SendSoftwareTrigger
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IviRFSigGenSweepExtensionGroupTheIviRFSigGenSweepextensiongroupsupportssignalgeneratorswiththeabilitytosweep(orstep)thefrequencyorthepoweroftheRFoutputsignal.
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IviRFSigGenSweepVIIviRFSigGen_ConfigureSweep
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IviRFSigGenSweepPropertiesIVIRFSIGGEN_ATTR_SWEEP_MODEIVIRFSIGGEN_ATTR_SWEEP_TRIGGER_SOURCE
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IviRFSigGenTDMABaseExtensionGroupWithIviRFSigGenTDMABaseExtensionGroupyoucansimulatemobile(cell)phonemodulationbasedonTimeDivisionMultipleAccess(TDMA)standards.
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IviRFSigGenTDMABaseVIsIviRFSigGen_GetTDMAStandardNameviRFSigGen_SelectTDMAStandardIviRFSigGen_ConfigureTDMAClockSourceIviRFSigGen_ConfigureTDMATriggerSourceIviRFSigGen_ConfigureTDMAExternalTriggerSlopeIviRFSigGen_GetTDMAFrameNameIviRFSigGen_SelectTDMAFrame
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IviRFSigGenTDMABasePropertiesVIRFSIGGEN_ATTR_TDMA_SELECTED_STANDARDIVIRFSIGGEN_ATTR_TDMA_TRIGGER_SOURCEIVIRFSIGGEN_ATTR_TDMA_EXTERNAL_TRIGGER_SLOPEIVIRFSIGGEN_ATTR_TDMA_SELECTED_FRAMEIVIRFSIGGEN_ATTR_TDMA_CLOCK_SOURCEIVIRFSIGGEN_ATTR_TDMA_EXTERNAL_CLOCK_TYPE
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IviRFSigGenBehaviorModelsIviRFSigGenALCIviRFSigGenAnalogModulationSourceIviRFSigGenArbGeneratorIviRFSigGenBaseIviRFSigGenCDMABaseIviRFSigGenDigitalModulationBaseIviRFSigGenFrequencyStepIviRFSigGenFrequencySweepIviRFSigGenIQImpairmentIviRFSigGenIviRFSigGenIviRFSigGenLFGeneratorIviRFSigGenLFGeneratorOutputIviRFSigGenListIviRFSigGenModulateAMIviRFSigGenModulateFMIviRFSigGenModulateIQIviRFSigGenModulatePMIviRFSigGenModulatePulseIviRFSigGenPowerStepIviRFSigGenPowerSweepIviRFSigGenPulseDoubleGeneratorIviRFSigGenPulseGeneratorIviRFSigGenPulseGeneratorOutputIviRFSigGenReferemceOscillatorIviRFSigGenSoftwareTriggerIviRFSigGenSweepIviRFSigGenTDMABase
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IviRFSigGenALCBehaviorModelTheIviRFSigGenALCextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenALCsettings.
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IviRFSigGenAnalogModulationSourceBehaviorModelTheIviRFSigGenAnalogModulationSourceextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.
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IviRFSigGenArbGeneratorBehaviorModelTheIviRFSigGenArbGeneratorextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenArbGeneratorsettings.
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IviRFSigGenBaseBehaviorModelAfteryoucalltheInitializeorResetVIs,theRFsignalgeneratorproducesanoutputsignalbasedonitscurrentconfiguration.AllchangestotheRFsignalgenerator'sIviRFSigGenBaseVIsandtakeplaceimmediately.IfyouexecutetheWaitUntilSettledVI,thedriverwillblockanyfurtheroperationuntiltheVIcompletes(suchas,thesignalattheoutputoftheRFsignalgeneratorhassettled).
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IviRFSigGenCDMABaseBehaviorModelTheIviRFSigGenCDMABaseextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenCDMABasesettings.
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IviRFSigGenDigitalModulationBaseBehaviorModelTheIviRFSigGenDigitalModulationBaseextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenDigitalModulationBasesettings.
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IviRFSigGenFrequencyStepBehaviorModelTheIviRFSigGenFrequencyStepextensiongroupfollowsthebehaviormodeloftheIviRFSigGenSweepcapabilitygroup.
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IviRFSigGenFrequencySweepBehaviorModelTheIviRFSigGenFrequencySweepextensiongroupfollowsthebehaviormodeloftheIviRFSigGenSweepcapabilitygroup.
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IviRFSigGenIQImpairmentBehaviorModelTheIviRFSigGenIQImpairmentextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenIQImpairmentsettings.
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IviRFSigGenLFGeneratorBehaviorModelTheIviRFSigGenLFGeneratorextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenLFGeneratorsettings.
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IviRFSigGenLFGeneratorOutputBehaviorModelTheIviRFSigGenLFGeneratorOutputextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenLFGeneratorOutputsettings.
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IviRFSigGenListBehaviorModelTheIviRFSigGenListextensiongroupfollowsthebehaviormodeloftheIviRFSigGenSweepcapabilitygroup.
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IviRFSigGenModulateAMBehaviorModelTheIviRFSigGenModulateAMextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenModulateAMsettings.
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IviRFSigGenModulateFMBehaviorModelTheIviRFSigGenModulateFMextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenModulateFMsettings.
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IviRFSigGenModulateIQBehaviorModelTheIviRFSigGenModulateIQextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenModulateIQsettings.
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IviRFSigGenModulatePMBehaviorModelTheIviRFSigGenModulatePMextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenModulatePMsettings.
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IviRFSigGenModulatePulseBehaviorModelTheIviRFSigGenModulatePulseextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenModulatePulsesettings.
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IviRFSigGenPowerStepBehaviorModelTheIviRFSigGenPowerStepextensiongroupfollowsthebehaviormodeloftheIviRFSigGenSweepcapabilitygroup.
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IviRFSigGenPowerSweepBehaviorModelTheIviRFSigGenPowerSweepextensiongroupfollowsthebehaviormodeloftheIviRFSigGenSweepcapabilitygroup.
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IviRFSigGenPulseDoubleGeneratorBehaviorModelTheIviRFSigGenPulseDoubleGeneratorextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenPulseDoubleGeneratorsettings.
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IviRFSigGenPulseGeneratorBehaviorModelTheIviRFSigGenPulseGeneratorextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenPulseGeneratorsettings.
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IviRFSigGenPulseGeneratorOutputBehaviorModelTheIviRFSigGenPulseGeneratorOutputextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenPulseGeneratorOutputsettings.
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IviRFSigGenReferenceOscillatorBehaviorModelTheIviRFSigGenReferenceOscillatorextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenReferenceOscillatorsettings.
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IviRFSigGenSoftwareTriggerBehaviorModelTheIviRFSigGenSoftwareTriggerextensiongroupfollowsthebehaviormodeloftheIviRFSigGenSweepcapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenSweepcapabilitygroupistheabilitytosendsoftwaretriggers.
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ThefollowingbehaviormodelsshowtherelationshipbetweentheIviRFSigGenSweepextensiongroupandRFSignalGeneratorbehavior.
FrequencySweep/PowerSweep
IviRFSigGenSweepBehaviorModelSettingtheSweepTriggerSourcepropertytoImmediatewillcontinuouslygeneratesweeps(eitherfrequencyorpowersweeps).ThedurationofonesweepfromstarttostopisdefinedwithFrequencySweepTimeorPowerSweepTime.SettingtheSweepTriggerSourcepropertytoExternalorSoftwareTriggerwilldelaythestartofthenextsweepuntilthespecifiedtriggereventoccurs.
TriggerImmediate:TriggerExternal/Software:
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FrequencyStep/PowerStep/List
SettingtheSweepTriggerpropertytoImmediatewillcontinuouslygeneratesteps(frequencyorpower)eitherfromstarttostopwithfixedincrements(steps)orfromalistofarbitraryvalues.ThedurationofonestepisdefinedwithDwellTime.SettingtheSweepTriggerpropertytoExternalorSoftwareTriggerwilldelaythestartofthenextstepuntilthespecifiedtriggereventoccurs.
TriggerImmediate:TriggerExternal/Software:
SingleStepandTrigger
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External/Software:
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IviRFSigGenSweepBehaviorModelSettingtheSweepTriggerSourcepropertytoImmediatewillcontinuouslygeneratesteps(frequencyorpower)eitherfromstarttostopwithfixedincrements(steps)orfromalistofarbitraryvalues.ThedurationofonestepisdefinedwithDwellTime.SettingtheSweepTriggerSourcepropertytoExternalorSoftwareTriggerwilldelaythestartofthenextstepuntilthespecifiedtriggereventoccurs.ThefollowingbehaviormodelsshowtherelationshipbetweentheIviRFSigGenSweepextensiongroupandRFSignalGeneratorbehavior.
FrequencySweep/PowerSweep
IviRFSigGenSweepBehaviorModelSettingtheSweepTriggerSourcepropertytoImmediatewillcontinuouslygeneratesweeps(eitherfrequencyorpowersweeps).ThedurationofonesweepfromstarttostopisdefinedwithFrequencySweepTimeorPowerSweepTime.SettingtheSweepTriggerSourcepropertytoExternalorSoftwareTriggerwilldelaythestartofthenextsweepuntilthespecifiedtriggereventoccurs.
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TriggerImmediate: TriggerExternal/Software:
FrequencyStep/PowerStep/List
SettingtheSweepTriggerpropertytoImmediatewillcontinuouslygeneratesteps(frequencyorpower)eitherfromstarttostopwithfixedincrements(steps)orfromalistofarbitraryvalues.ThedurationofonestepisdefinedwithDwellTime.SettingtheSweepTriggerpropertytoExternalorSoftwareTriggerwilldelaythestartofthenextstepuntilthespecifiedtriggereventoccurs.
TriggerImmediate:TriggerExternal/Software:
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SingleStepandTriggerExternal/Software:
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IviRFSigGenTDMABaseBehaviorModelTheIviRFSigGenTDMABaseextensiongroupfollowsthebehaviormodeloftheIviRFSigGenBasecapabilitygroup.TheonlymodificationtothebehaviormodelfromtheIviRFSigGenBasecapabilitygroupistheabilitytoconfigureIviRFSigGenTDMABasesettings.
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IviRFSigGenVITreeClass/PanelName VIName
ConfigurationFunctionsRFConfigureRF IviRFSigGen_Configure
RF.viConfigureALCEnabled IviRFSigGen_Configure
ALCEnabled.viConfigureOutputEnabled IviRFSigGen_Configure
OutputEnabled.viAnalogModulationConfigureAMEnabled[AM] IviRFSigGen_Configure
AMEnabled[AM].viConfigureAMExternalCoupling[AM] IviRFSigGen_Configure
AMExternalCoupling[AM].vi
ConfigureAM[AM] IviRFSigGen_ConfigureAM[AM].vi
ConfigureFMEnabled[FM] IviRFSigGen_ConfigureFMEnabled[FM].vi
ConfigureFMExternalCoupling[FM] IviRFSigGen_ConfigureFMExternalCoupling[FM].vi
ConfigureFM[FM] IviRFSigGen_ConfigureFM[FM].vi
ConfigurePMEnabled[PM] IviRFSigGen_ConfigurePMEnabled[PM].vi
ConfigurePMExternalCoupling[PM] IviRFSigGen_ConfigurePMExternalCoupling[PM].vi
ConfigurePM[PM] IviRFSigGen_ConfigurePM[PM].vi
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GetAnalogModulationSourceName[MS] IviRFSigGen_GetAnalogModulationSourceName[MS].vi
PulseModulationConfigurePulseModulationEnabled[PULM] IviRFSigGen_Configure
PulseModulationEnabled[PULM].vi
ConfigurePulseModulationSource[PULM] IviRFSigGen_ConfigurePulseModulationSource[PULM].vi
ConfigurePulseModulationExternalPolarity[PULM] IviRFSigGen_ConfigurePulseModulationExternalPolarity[PULM].vi
LFGeneratorConfigureLFGenerator[LF] IviRFSigGen_Configure
LFGenerator[LF].viGetLFGeneratorName[LF] IviRFSigGen_GetLF
GeneratorName[LF].viSetActiveLFGenerator[LF] IviRFSigGen_Set
ActiveLFGenerator[LF].vi
ConfigureLFGeneratorOutput[LFO] IviRFSigGen_ConfigureLFGeneratorOutput[LFO].vi
PulseGeneratorConfigurePulseExternalTrigger[PG] IviRFSigGen_Configure
PulseExternalTrigger[PG].vi
ConfigurePulseInternalTrigger[PG] IviRFSigGen_ConfigurePulseInternalTrigger[PG].vi
ConfigurePulse[PG] IviRFSigGen_ConfigurePulse[PG].vi
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ConfigurePulseDouble[DPG] IviRFSigGen_ConfigurePulseDouble[DPG].vi
ConfigurePulseOutput[PGO] IviRFSigGen_ConfigurePulseOutput[PGO].vi
SweepConfigureSweep IviRFSigGen_Configure
Sweep.viConfigureFrequencySweepStartStop[FSW] IviRFSigGen_Configure
FrequencySweepStartStop[FSW].vi
ConfigureFrequencySweepCenterSpan[FSW] IviRFSigGen_ConfigureFrequencySweepCenterSpan[FSW].vi
ConfigureFrequencySweepTime[FSW] IviRFSigGen_ConfigureFrequencySweepTime[FSW].vi
ConfigurePowerSweepStartStop[PSW] IviRFSigGen_ConfigurePowerSweepStartStop[PSW].vi
ConfigurePowerSweepTime[PSW] IviRFSigGen_ConfigurePowerSweepTime[PSW].vi
ConfigureFrequencyStepStartStop[FST] IviRFSigGen_ConfigureFrequencyStepStartStop[FST].vi
ConfigureFrequencyStepDwell[FST] IviRFSigGen_ConfigureFrequencyStepDwell[FST].vi
ResetFrequencyStep[FST] IviRFSigGen_ResetFrequencyStep[FST].vi
ConfigurePowerStepStartStop[PST] IviRFSigGen_ConfigurePowerStepStartStop[PST].vi
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ConfigurePowerStepDwell[PST] IviRFSigGen_ConfigurePowerStepDwell[PST].vi
ResetPowerStep[PST] IviRFSigGen_ResetPowerStep[PST].vi
ListCreateFrequencyList[LST] IviRFSigGen_Create
FrequencyList[LST].viCreatePowerList[LST] IviRFSigGen_Create
PowerList[LST].viCreateFrequencyPowerList[LST] IviRFSigGen_Create
FrequencyPowerList[LST].vi
SelectList[LST] IviRFSigGen_SelectList[LST].vi
ClearAllLists[LST] IviRFSigGen_ClearAllLists[LST].vi
ConfigureListDwell[LST] IviRFSigGen_ConfigureListDwell[LST].vi
ResetList[LST] IviRFSigGen_ResetList[LST].vi
ALCConfigureALC[ALC] IviRFSigGen_Configure
ALC[ALC].viReferenceOscillatorConfigureReferenceOscillator[RO] IviRFSigGen_Configure
ReferenceOscillator[RO].vi
IQConfigureIQEnabled[MIQ] IviRFSigGen_Configure
IQEnabled[MIQ].viConfigureIQ[MIQ] IviRFSigGen_Configure
IQ[MIQ].vi
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CalibrateIQ[MIQ] IviRFSigGen_CalibrateIQ[MIQ].vi
ConfigureIQImpairmentEnabled[IQI] IviRFSigGen_ConfigureIQImpairmentEnabled[IQI].vi
ConfigureIQImpairment[IQI] IviRFSigGen_ConfigureIQImpairment[IQI].vi
ARBGeneratorConfigureArb[ARB] IviRFSigGen_Configure
Arb[ARB].viWriteArbWaveform[ARB] IviRFSigGen_WriteArb
Waveform[ARB].viSelectArbWaveform[ARB] IviRFSigGen_Select
ArbWaveform[ARB].viClearAllArbWaveforms[ARB] IviRFSigGen_ClearAll
ArbWaveforms[ARB].vi
QueryArbWaveformCapabilities[ARB] IviRFSigGen_QueryArbWaveformCapabilities[ARB].vi
ConfigureArbTriggerSource[ARB] IviRFSigGen_ConfigureArbTriggerSource[ARB].vi
ConfigureArbExternalTriggerSlope[ARB] IviRFSigGen_ConfigureArbExternalTriggerSlope[ARB].vi
DigitalModulationBaseGetDigitalModulationBaseStandardName[DMB] IviRFSigGen_Get
DigitalModulationBaseStandardName[DMB].vi
SelectDigitalModulationBaseStandard[DMB] IviRFSigGen_SelectDigitalModulationBaseStandard[DMB].vi
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ConfigureDigitalModulationBaseClockSource[DMB] IviRFSigGen_ConfigureDigitalModulationBaseClockSource[DMB].vi
ConfigureDigitalModulationBaseDataSource[DMB] IviRFSigGen_ConfigureDigitalModulationBaseDataSource[DMB].vi
ConfigureDigitalModulationBasePRBSType[DMB] IviRFSigGen_ConfigureDigitalModulationBasePRBSType[DMB].vi
WriteDigitalModulationBaseBitSequence[DMB] IviRFSigGen_WriteDigitalModulationBaseBitSequence[DMB].vi
SelectDigitalModulationBaseBitSequence[DMB] IviRFSigGen_SelectDigitalModulationBaseBitSequence[DMB].vi
ClearAllDigitalModulationBaseBitSequences[DMB] IviRFSigGen_ClearAllDigitalModulationBaseBitSequences[DMB].vi
CDMAGetCDMAStandardName[CDMA] IviRFSigGen_Get
CDMAStandardName[CDMA].vi
SelectCDMAStandard[CDMA] IviRFSigGen_SelectCDMAStandard[CDMA].vi
ConfigureCDMAClockSource[CDMA] IviRFSigGen_ConfigureCDMAClockSource[CDMA].vi
ConfigureCDMATriggerSource[CDMA] IviRFSigGen_ConfigureCDMATriggerSource[CDMA].vi
ConfigureCDMAExternalTriggerSlope[CDMA] IviRFSigGen_ConfigureCDMAExternalTriggerSlope[CDMA].vi
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GetCDMATestModelName[CDMA] IviRFSigGen_GetCDMATestModelName[CDMA].vi
SelectCDMATestModel[CDMA] IviRFSigGen_SelectCDMATestModel[CDMA].vi
TDMAGetTDMAStandardName[TDMA] IviRFSigGen_Get
TDMAStandardName[TDMA].vi
SelectTDMAStandard[TDMA] IviRFSigGen_SelectTDMAStandard[TDMA].vi
ConfigureTDMAClockSource[TDMA] IviRFSigGen_ConfigureTDMAClockSource[TDMA].vi
ConfigureTDMATriggerSource[TDMA] IviRFSigGen_ConfigureTDMATriggerSource[TDMA].vi
ConfigureTDMAExternalTriggerSlope[TDMA] IviRFSigGen_ConfigureTDMAExternalTriggerSlope[TDMA].vi
GetTDMAFrameName[TDMA] IviRFSigGen_GetTDMAFrameName[TDMA].vi
SelectTDMAFrame[TDMA] IviRFSigGen_SelectTDMAFrame[TDMA].vi
ActionFunctionsDisableAllModulation IviRFSigGen_Disable
AllModulation.viWaitUntilSettled IviRFSigGen_WaitUntil
Settled.viIsSettled IviRFSigGen_Is
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Settled.viSendSoftwareTrigger[SWT] IviRFSigGen_Send
SoftwareTrigger[SWT].vi
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IviRFSigGenPropertiesGroup/AttributeName PropertyLabel
RFFrequency IviRFSigGen»RF»FrequencyPowerLevel IviRFSigGen»RF»PowerLevelALCEnabled IviRFSigGen»RF»ALCEnabledOutputEnabled IviRFSigGen»RF»OutputEnabledAnalogModulationAMAMEnabled[AM] IviRFSigGen»Analog
Modulation»AM»AMEnabled[AM]AMSource[AM] IviRFSigGen»Analog
Modulation»AM»AMSource[AM]AMScaling[AM] IviRFSigGen»Analog
Modulation»AM»AMScaling[AM]AMExternalCoupling[AM] IviRFSigGen»Analog
Modulation»AM»AMExternalCoupling[AM]
AMNominalVoltage[AM] IviRFSigGen»AnalogModulation»AM»AMNominalVoltage[AM]
AMDepth[AM] IviRFSigGen»AnalogModulation»AM»AMDepth[AM]
FMFMEnabled[FM] IviRFSigGen»Analog
Modulation»FM»FMEnabled[FM]FMSource[FM] IviRFSigGen»Analog
Modulation»FM»FMSource[FM]FMExternalCoupling[FM] IviRFSigGen»Analog
Modulation»FM»FMExternalCoupling[FM]
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FMNominalVoltage[FM] IviRFSigGen»AnalogModulation»FM»FMNominalVoltage[FM]
FMDeviation[FM] IviRFSigGen»AnalogModulation»FM»FMDeviation[FM]
PMPMEnabled[PM] IviRFSigGen»Analog
Modulation»PM»PMEnabled[PM]PMSource[PM] IviRFSigGen»Analog
Modulation»PM»PMSource[PM]PMExternalCoupling[PM] IviRFSigGen»Analog
Modulation»PM»PMExternalCoupling[PM]
PMNominalVoltage[PM] IviRFSigGen»AnalogModulation»PM»PMNominalVoltage[PM]
PMDeviation[PM] IviRFSigGen»AnalogModulation»PM»PMDeviation[PM]
SourceModulationSourceCount[MS] IviRFSigGen»Analog
Modulation»Source»ModulationSourceCount[MS]
PulseModulationPulseModulationEnabled[PULM] IviRFSigGen»Pulse
Modulation»PulseModulationEnabled[PULM]
PulseModulationSource[PULM] IviRFSigGen»PulseModulation»PulseModulationSource[PULM]
PulseModulationExternalPolarity[PULM] IviRFSigGen»PulseModulation»PulseModulationExternalPolarity[PULM]
LFGenerator
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ActiveLFGenerator[LF] IviRFSigGen»LFGenerator»ActiveLFGenerator[LF]
LFGeneratorCount[LF] IviRFSigGen»LFGenerator»LFGeneratorCount[LF]
LFGeneratorFrequency[LF] IviRFSigGen»LFGenerator»LFGeneratorFrequency[LF]
LFGeneratorWaveform[LF] IviRFSigGen»LFGenerator»LFGeneratorWaveform[LF]
LFGeneratorOutputsLFGeneratorOutputAmplitude[LFO] IviRFSigGen»LFGenerator»LF
GeneratorOutputs»LFGeneratorOutputAmplitude[LFO]
LFGeneratorOutputEnabled[LFO] IviRFSigGen»LFGenerator»LFGeneratorOutputs»LFGeneratorOutputEnabled[LFO]
PulseGeneratorPulseInternalTriggerPeriod[PG] IviRFSigGen»Pulse
Generator»PulseInternalTriggerPeriod[PG]
PulseWidth[PG] IviRFSigGen»PulseGenerator»PulseWidth[PG]
PulseGatingEnabled[PG] IviRFSigGen»PulseGenerator»PulseGatingEnabled[PG]
PulseTriggerSource[PG] IviRFSigGen»PulseGenerator»PulseTriggerSource[PG]
PulseExternalTriggerSlope[PG] IviRFSigGen»PulseGenerator»PulseExternalTriggerSlope[PG]
PulseExternalTriggerDelay[PG] IviRFSigGen»PulseGenerator»PulseExternalTriggerDelay[PG]
DoublePulseGenerators
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PulseDoubleEnabled[DPG] IviRFSigGen»PulseGenerator»DoublePulseGenerators»PulseDoubleEnabled[DPG]
PulseDoubleDelay[DPG] IviRFSigGen»PulseGenerator»DoublePulseGenerators»PulseDoubleDelay[DPG]
PulseGeneratorOutputPulseOutputEnabled[PGO] IviRFSigGen»Pulse
Generator»PulseGeneratorOutput»PulseOutputEnabled[PGO]
PulseOutputPolarity[PGO] IviRFSigGen»PulseGenerator»PulseGeneratorOutput»PulseOutputPolarity[PGO]
SweepSweepMode[SWP] IviRFSigGen»Sweep»SweepMode
[SWP]SweepTriggerSource[SWP] IviRFSigGen»Sweep»SweepTrigger
Source[SWP]FrequencySweepFrequencySweepStart[FSW] IviRFSigGen»Sweep»Frequency
Sweep»FrequencySweepStart[FSW]
FrequencySweepStop[FSW] IviRFSigGen»Sweep»FrequencySweep»FrequencySweepStop[FSW]
FrequencySweepTime[FSW] IviRFSigGen»Sweep»FrequencySweep»FrequencySweepTime[FSW]
PowerSweepPowerSweepStart[PSW] IviRFSigGen»Sweep»Power
Sweep»PowerSweepStart[PSW]
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PowerSweepStop[PSW] IviRFSigGen»Sweep»PowerSweep»PowerSweepStop[PSW]
PowerSweepTime[PSW] IviRFSigGen»Sweep»PowerSweep»PowerSweepTime[PSW]
FrequencyStepFrequencyStepStart[FST] IviRFSigGen»Sweep»Frequency
Step»FrequencyStepStart[FST]FrequencyStepStop[FST] IviRFSigGen»Sweep»Frequency
Step»FrequencyStepStop[FST]FrequencyStepScaling[FST] IviRFSigGen»Sweep»Frequency
Step»FrequencyStepScaling[FST]FrequencyStepSize[FST] IviRFSigGen»Sweep»Frequency
Step»FrequencyStepSize[FST]FrequencyStepSingleStepEnabled[FST] IviRFSigGen»Sweep»Frequency
Step»FrequencyStepSingleStepEnabled[FST]
FrequencyStepDwell[FST] IviRFSigGen»Sweep»FrequencyStep»FrequencyStepDwell[FST]
PowerStepPowerStepStart[PST] IviRFSigGen»Sweep»Power
Step»PowerStepStart[PST]PowerStepStop[PST] IviRFSigGen»Sweep»Power
Step»PowerStepStop[PST]PowerStepSize[PST] IviRFSigGen»Sweep»Power
Step»PowerStepSize[PST]SingleStepEnabled[PST] IviRFSigGen»Sweep»Power
Step»SingleStepEnabled[PST]PowerStepDwell[PST] IviRFSigGen»Sweep»Power
Step»PowerStepDwell[PST]ListListSelectedName[LST] IviRFSigGen»Sweep»List»List
SelectedName[LST]ListSingleStepEnabled[LST] IviRFSigGen»Sweep»List»List
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SingleStepEnabled[LST]ListDwell[LST] IviRFSigGen»Sweep»List»ListDwell
[LST]ALCALCSource[ALC] IviRFSigGen»ALC»ALCSource
[ALC]ALCBandwidth[ALC] IviRFSigGen»ALC»ALCBandwidth
[ALC]ReferenceOscillatorReferenceOscillatorSource[RO] IviRFSigGen»Reference
Oscillator»ReferenceOscillatorSource[RO]
ReferenceOscillatorExternalFrequency[RO] IviRFSigGen»ReferenceOscillator»ReferenceOscillatorExternalFrequency[RO]
IQIQEnabled[MIQ] IviRFSigGen»IQ»IQEnabled[MIQ]IQNominalVoltage[MIQ] IviRFSigGen»IQ»IQNominal
Voltage[MIQ]IQSource[MIQ] IviRFSigGen»IQ»IQSource[MIQ]IQSwapEnabled[MIQ] IviRFSigGen»IQ»IQSwapEnabled
[MIQ]IQImpairmentIQImpairmentEnabled[IQI] IviRFSigGen»IQ»IQImpairment»IQ
ImpairmentEnabled[IQI]IQIOffset[IQI] IviRFSigGen»IQ»IQImpairment»IQ
IOffset[IQI]IQQOffset[IQI] IviRFSigGen»IQ»IQImpairment»IQ
QOffset[IQI]IQRatio[IQI] IviRFSigGen»IQ»IQImpairment»IQ
Ratio[IQI]IQSkew[IQI] IviRFSigGen»IQ»IQImpairment»IQ
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Skew[IQI]ARBGeneratorARBClockFrequency[ARB] IviRFSigGen»ARBGenerator»ARB
ClockFrequency[ARB]ARBFilterFrequency[ARB] IviRFSigGen»ARBGenerator»ARB
FilterFrequency[ARB]WaveformARBSelectedWaveform[ARB] IviRFSigGen»ARB
Generator»Waveform»ARBSelectedWaveform[ARB]
ARBMaxNumberWaveforms[ARB] IviRFSigGen»ARBGenerator»Waveform»ARBMaxNumberWaveforms[ARB]
ARBWaveformQuantum[ARB] IviRFSigGen»ARBGenerator»Waveform»ARBWaveformQuantum[ARB]
ARBWaveformSizeMin[ARB] IviRFSigGen»ARBGenerator»Waveform»ARBWaveformSizeMin[ARB]
ARBWaveformSizeMax[ARB] IviRFSigGen»ARBGenerator»Waveform»ARBWaveformSizeMax[ARB]
TriggerARBTriggerSource[ARB] IviRFSigGen»ARB
Generator»Trigger»ARBTriggerSource[ARB]
ARBExternalTriggerSlope[ARB] IviRFSigGen»ARBGenerator»Trigger»ARBExternalTriggerSlope[ARB]
DigitalModulationDigitalModulationBaseStandardCount[DMB] IviRFSigGen»Digital
Modulation»DigitalModulationBaseStandardCount[DMB]
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DigitalModulationBaseSelectedStandard[DMB] IviRFSigGen»DigitalModulation»DigitalModulationBaseSelectedStandard[DMB]
DigitalModulationBaseDataSource[DMB] IviRFSigGen»DigitalModulation»DigitalModulationBaseDataSource[DMB]
DigitalModulationBasePRBSType[DMB] IviRFSigGen»DigitalModulation»DigitalModulationBasePRBSType[DMB]
DigitalModulationBaseSelectedBitSequence[DMB] IviRFSigGen»DigitalModulation»DigitalModulationBaseSelectedBitSequence[DMB]
DigitalModulationBaseClockSource[DMB] IviRFSigGen»DigitalModulation»DigitalModulationBaseClockSource[DMB]
DigitalModulationBaseExternalClockType[DMB] IviRFSigGen»DigitalModulation»DigitalModulationBaseExternalClockType[DMB]
CDMACDMAStandardCount[CDMA] IviRFSigGen»CDMA»CDMA
StandardCount[CDMA]CDMASelectedStandard[CDMA] IviRFSigGen»CDMA»CDMA
SelectedStandard[CDMA]CDMATestModelCount[CDMA] IviRFSigGen»CDMA»CDMATest
ModelCount[CDMA]CDMASelectedTestModel[CDMA] IviRFSigGen»CDMA»CDMA
SelectedTestModel[CDMA]CDMAClockSource[CDMA] IviRFSigGen»CDMA»CDMAClock
Source[CDMA]TriggerCDMATriggerSource[CDMA] IviRFSigGen»CDMA»Trigger»CDMA
TriggerSource[CDMA]CDMAExternalTriggerSlope[CDMA] IviRFSigGen»CDMA»Trigger»CDMA
ExternalTriggerSlope[CDMA]
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TDMATDMAStandardCount[TDMA] IviRFSigGen»TDMA»TDMA
StandardCount[TDMA]TDMASelectedStandard[TDMA] IviRFSigGen»TDMA»TDMA
SelectedStandard[TDMA]TDMAFrameCount[TDMA] IviRFSigGen»TDMA»TDMAFrame
Count[TDMA]TDMASelectedFrame[TDMA] IviRFSigGen»TDMA»TDMA
SelectedFrame[TDMA]TDMAClockSource[TDMA] IviRFSigGen»TDMA»TDMAClock
Source[TDMA]TDMAClockType[TDMA] IviRFSigGen»TDMA»TDMAClock
Type[TDMA]TriggerTDMATriggerSource[TDMA] IviRFSigGen»TDMA»Trigger»TDMA
TriggerSource[TDMA]TDMAExternalTriggerSlope[TDMA] IviRFSigGen»TDMA»Trigger»TDMA
ExternalTriggerSlope[TDMA]
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IviRFSigGenErrorandWarningCodesStatusCodeRangesStatusCodeType NumericRange(inHex)IviRFSigGenErrors 0xBFFA2001to0xBFFA3FFFIviRFSigGenWarnings 0x3FFA2001to0x3FFA3FFFIVISpecificDriverErrors 0xBFFA4000to0xBFFA5FFFIVISpecificDriverWarnings 0x3FFA4000to0x3FFA5FFFIVIErrors 0xBFFA0000to0xBFFA1FFFIVIWarnings 0x3FFA0000to0x3FFA1FFFCommonInstrumentDriverErrors 0xBFFC0000to0xBFFCFFFFCommonInstrumentDriverWarnings 0x3FFC0000to0x3FFCFFFFVISAErrors 0xBFFF0000to0xBFFFFFFFVISAWarnings 0x3FFF0000to0xFFFFFFF
TheIviRFSigGenclassdriverdefinestheerrorcodesshowninthefollowingtableinadditiontotheIVIdefinederrorcodes.
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IviRFSigGenErrorCodesError Value MessageIVIRFSIGGEN_ERROR_TRIGGER_NOT_SOFTWARE 0xBFFA1001 Thetrigger
sourceisnotsoftwaretrigger.
IVIRFSIGGEN_ERROR_MAX_TIME_EXCEEDED 0xBFFA2003 Maximumtimeexceededbeforetheoperationcompleted.
IVIRFSIGGEN_ERROR_LIST_UNKNOWN 0xBFFA200A Listisunknown.
RelatedTopicIVIStatusCodes
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IviRFSigGenVIsExpandthisbooktoviewanalphabetizedlistofIviRFSigGenVIs.
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IviRFSigGenCalibrateIQ[MIQ]IviRFSigGenModulateIQCapabilityGroupThisVIcalibratestheIQmodulator.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenClearAllArbWaveforms[ARB]IviRFSigGenArbGeneratorCapabilityGroupThisVIdeletesallthecurrentlydefinedarbwaveforms.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenClearAllDigitalModulationBaseBitSequences[DMB]IviRFSigGenDigitalModulationBaseCapabilityGroupThisVIclears(deletes)allnamedbitsequences.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenClearAllLists[LST]IviRFSigGenListCapabilityGroupThisVIdeletesalllistsfromthepoolofdefinedlists.ThefollowingVIscreatelistnames:,,or.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureALCEnabledIviRFSigGenBaseCapabilityGroupThisVIenablestheAutomaticLevelControl.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.alcenabledSpecifieswhethertoenableordisableAutomaticLevelControl(ALC).Thedriverusesthisvaluetosettheproperty.
ValidValues:TRUE(1)-EnablestheAutomaticLevelControl(ALC)FALSE(0)-DisablestheAutomaticLevelControl(ALC)
DefaultValue:TRUE(1)errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureALC[ALC]IviRFSigGenALCCapabilityGroupThisVIconfigurestheALC(AutomaticLevelControl)ofthesignalgenerator'sRFoutput.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.sourceSpecifiesthesourceofthecontrollingvoltagefortheAutomaticLevelControl.TheRFlevelatthesensorpointisheldconstant.ThedriverusesthisvaluetosettheIviRFSigGen>>ALC>>ALCSourceproperty.
DefinedValues:IVIRFSIGGEN_VAL_ALC_SOURCE_INTERNAL-TheALCiscontrolledbyaninternalmeasurementsource.
IVIRFSIGGEN_VAL_ALC_SOURCE_EXTERNAL-TheALCiscontrolledbyanexternalvoltage.
DefaultValue:IVIRFSIGGEN_VAL_ALC_SOURCE_INTERNALbandwidthSpecifiesthebandwidthofAutomaticLevelControl(ALC).NarrowbandwidthimpovesnoiseandallowsAMwithmodulationfrequenciesbeyondbandwidthfrequency.ThevalueiscoercedtoreflecttheabilityofthecurrentRFsignalgenerator.ThedriverusesthisvaluetosettheIviRFSigGen>>ALC>>ALCBandwidthproperty.
Units:Hertz
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DefaultValue:0.0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureAMEnabled[AM]IviRFSigGenModulateAMCapabilityGroupThisVIconfiguresthesignalgeneratortoapplyamplitudemodulationtotheRFoutputsignal.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.amenabledSpecifieswhetherthesignalgeneratorappliesamplitudemodulationtotheRFoutputsignalornot.ThedriverusesthisvaluetosettheIviRFSigGen>>AnalogModulation>>AM>>AMEnabledproperty.
ValidValues:TRUE(1)-AmplitudemodulationOnFALSE(0)-AmplitudemodulationOff
DefaultValue:FALSE(0)errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureAMExternalCoupling[AM]IviRFSigGenModulateAMCapabilityGroupThisVIconfiguresthecouplingofanexternalsourceforamplitudemodulation.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.amexternalcouplingSpecifiesthecouplingoftheexternalsourceofthemodulatingsignal.ThedriverusesthisvaluetosettheIviRFSigGen>>AnalogModulation>>AM>>AMExternalCouplingproperty.
DefinedValues:
IVIRFSIGGEN_VAL_AM_EXTERNAL_COUPLING_AC-ACCouplingIVIRFSIGGEN_VAL_AM_EXTERNAL_COUPLING_DC-DCCoupling
DefaultValue:IVIRFSIGGEN_VAL_AM_EXTERNAL_COUPLING_ACerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtain
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fromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureAM[AM]IviRFSigGenModulateAMCapabilityGroupThisVIconfiguresthemodulationsource,scaling,anddepthforthesignalgenerator'samplitudemodulation.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.sourceSpecifiesthesourceofthesignalthatisusedasthemodulatingsignal.Ifmorethanonesourceisspecified,thevoltagesofallsources(internalandexternal)aresummed.Multiplesourcenamesareseparatedbycommas.ThedriverusesthisvaluetosettheIviRFSigGen>>AnalogModulation>>AM>>AMSourceproperty.
DefaultValue:""scalingSpecifieslinearorlogarithmicattenuationforamplitudemodulation.TheunitoftheIviRFSigGen>>AnalogModulation>>AM>>AMDepthpropertyischangedwiththissetting.ThedriverusesthisvaluetosettheIviRFSigGen>>AnalogModulation>>AM>>AMScalingproperty.
DefinedValues:IVIRFSIGGEN_VAL_AM_SCALING_LINEARIVIRFSIGGEN_VAL_AM_SCALING_LOGARITHMIC
DefaultValue:IVIRFSIGGEN_VAL_AM_SCALING_LINEARdepthSpecifiestheextentofmodulationthesignalgeneratorappliestotheRF-signal(carrierwaveform)withthemodulatingsignalasaresultofsummingallsources,internalandexternal.ThedriverusesthisvaluetosettheIviRFSigGen>>Analog
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Modulation>>AM>>AMDepthproperty.
Units:IftheIviRFSigGen>>AnalogModulation>>AM>>AMScalingpropertyissettoLinear,thentheunitsarepercent(%).IftheIviRFSigGen>>AnalogModulation>>AM>>AMScalingpropertyissettologarithmic,thentheunitsaredBm.
DefaultValue:0.0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureArbExternalTriggerSlope[ARB]IviRFSigGenArbGeneratorCapabilityGroupThisVIconfiguresthetriggereventtooccurontherisingorfallingedgeoftheinputsignal.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.slopeSpecifieswhetherthetriggereventoccursontherisingorfallingedgeoftheinputsignal.ThedriverusesthisvaluetosettheIviRFSigGen>>ARBGenerator>>Trigger>>ARBExternalTriggerSlopeproperty.
DefinedValues:
IVIRFSIGGEN_VAL_ARB_EXTERNAL_TRIGGER_SLOPE_POSITIVE-Enablesrisingedgetriggering.
IVIRFSIGGEN_VAL_ARB_EXTERNAL_TRIGGER_SLOPE_NEGATIVE-Enablesfallingedgetriggering.
DefaultValue:IVIRFSIGGEN_VAL_ARB_EXTERNAL_TRIGGER_SLOPE_POSITIVEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromthe
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IviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureArbTriggerSource[ARB]IviRFSigGenArbGeneratorCapabilityGroupThisVIconfiguresthetriggersourceforthewaveformgeneration.Theoutputwaveformisgeneratedcontinuouslyifthesourceisimmediate.Otherwise,theoutputistriggered.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.sourceSpecifieshowtheArbwaveformisstarted.ThedriverusesthisvaluetosettheIviRFSigGen>>ARBGenerator>>Trigger>>ARBTriggerSourceproperty.
DefinedValues:
IVIRFSIGGEN_VAL_ARB_TRIGGER_SOURCE_IMMEDIATE-TheARBgeneratorsystemdoesnotwaitforatrigger.TheARBrunscontinuously.
IVIRFSIGGEN_VAL_ARB_TRIGGER_SOURCE_EXTERNAL-Thesweepisstartedwithanexternalsignal.
IVIRFSIGGEN_VAL_ARB_TRIGGER_SOURCE_SOFTWARE-Thesweepisstartedwithasoftwareprogrammabletrigger.
DefaultValue:IVIRFSIGGEN_VAL_ARB_TRIGGER_SOURCE_IMMEDIATEerrorin(noerror)Theerrorinclustercanaccepterrorinformation
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wiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureArb[ARB]IviRFSigGenArbGeneratorCapabilityGroupThisVIconfigurestheARBgeneratorbyspecifyingthesamplefrequencyandfilterfrequency.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.clockfrequencySpecifiesthesamplefrequency.Thewaveformisgeneratedwiththisclockfrequency.ThedriverusesthisvaluetosettheIviRFSigGen>>ARBGenerator>>ARBClockFrequencyproperty.
Units:Hertz
DefaultValue:100.0MHzfilterfrequencySpecifythefilterfrequencywhichisthecut-offfrequencyofthelowpassfilterusedforantialiasingtheoutputwaveform.Thefilterfrequencynormallyislowerthantheclockfrequency.ThedriverusesthisvaluetosettheIviRFSigGen>>ARBGenerator>>ARBFilterFrequencyproperty.
Units:Hertz
DefaultValue:10.0KHzerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureCDMAClockSource[CDMA]IviRFSigGenCDMABaseCapabilityGroupThisVIconfigurestheCDMAclocksource.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.sourceSpecifiesthesourceoftheclocksignalusedtogeneratethedigitalmodulationaccordingtotheselectedstandard.ThedriverusesthisvaluetosettheIviRFSigGen>>CDMA>>CDMAClockSourceproperty.
DefinedValues:IVIRFSIGGEN_VAL_CDMA_CLOCK_SOURCE_INTERNAL-Theinternalclockgeneratorisused.
IVIRFSIGGEN_VAL_CDMA_CLOCK_SOURCE_EXTERNAL-Aconnectedexternalclockgenerator(bitorsymbolclockfrequency)isused.
DefaultValue:IVIRFSIGGEN_VAL_CDMA_CLOCK_SOURCE_INTERNALerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtain
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fromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureCDMAExternalTriggerSlope[CDMA]IviRFSigGenCDMABaseCapabilityGroupThisVIconfiguresthetriggereventtooccurontherisingorfallingedgeoftheinputsignal.ThissettingisusedonlyifIviRFSigGen>>CDMA>>Trigger>>CDMATriggerSourceissettoExternal.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.slopeSpecifieswhetherthetriggereventoccursontherisingorfallingedgeoftheinputsignal.ThedriverusesthisvaluetosettheIviRFSigGen>>CDMA>>Trigger>>CDMAExternalTriggerSlopeproperty.
DefinedValues:
IVIRFSIGGEN_VAL_CDMA_EXTERNAL_TRIGGER_SLOPE_POSITIVE-Enablesrisingedgetriggering.
IVIRFSIGGEN_VAL_CDMA_EXTERNAL_TRIGGER_SLOPE_NEGATIVE-Enablesfallingedgetriggering.
DefaultValue:IVIRFSIGGEN_VAL_CDMA_EXTERNAL_TRIGGER_SLOPE_POSITIVEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureCDMATriggerSource[CDMA]IviRFSigGenCDMABaseCapabilityGroupThisVIconfigurestheCDMAtriggersourceforstartingorsynchronizingthegenerationofthechannelcodings.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.sourceSpecifiesthesourceofthetriggersignalthatstartsthechannelcodinggeneration.ThedriverusesthisvaluetosettheIviRFSigGen>>CDMA>>Trigger>>CDMATriggerSourceproperty.
DefinedValues:
IVIRFSIGGEN_VAL_CDMA_TRIGGER_SOURCE_IMMEDIATE-TheCDMAgeneratorsystemdoesnotwaitforatrigger.Eachchannelcodingisruncontinuously.
IVIRFSIGGEN_VAL_CDMA_TRIGGER_SOURCE_EXTERNAL-Eachchannelcodingisstartedwithanexternalsignal.
IVIRFSIGGEN_VAL_CDMA_TRIGGER_SOURCE_SOFTWARE-Eachchannelcodingisstartedwithasoftwareprogrammabletrigger.
DefaultValue:IVIRFSIGGEN_VAL_CDMA_TRIGGER_SOURCE_IMMEDIATE
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errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureDigitalModulationBaseClockSource[DMB]IviRFSigGenDigitalModulationBaseCapabilityGroupThisVIconfigurestheDigitalModulationBaseclocksource.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeIviRFSigGenInitializeWithOptionsVIs.sourceSpecifiesthesourceoftheclocksignalusedtogeneratethedigitalmodulationaccordingtotheselectedstandard.ThedriverusesthisvaluetosettheIviRFSigGen>>DigitalModulation>>DigitalModulationBaseClockSourceproperty.
DefinedValues:IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_CLOCK_SOURCE_INTERNAL-Theinternalclockgeneratorisused.
IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_CLOCK_SOURCE_EXTERNAL-Aconnectedexternalclockgenerator(bitorsymbolclockfrequency)isused.
DefaultValue:IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_CLOCK_SOURCE_INTERNALtypeSpecifiesthetypeoftheexternalclocksignalusedtogeneratethedigitalmodulation.ThisvalueisusedonlyiftheIviRFSigGen>>DigitalModulation>>DigitalModulationBaseClockSourcepropertyissettoExternal.ThedriverusesthisvaluetosettheIviRFSigGen>>DigitalModulation>>DigitalModulationBaseExternalClockTypeproperty.
DefinedValues:
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_EXTERNAL_CLOCK_TYPE_BIT-Theexternalclockfrequencyisequaltothebitclockfrequencyofthedigitalmodulation.
IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_EXTERNAL_CLOCK_TYPE_SYMBOL-Theexternalclockfrequencyisequaltothesymbolclockfrequencyofthedigitalmodulation.
DefaultValue:IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_EXTERNAL_CLOCK_TYPE_BITerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureDigitalModulationBaseDataSource[DMB]IviRFSigGenDigitalModulationBaseCapabilityGroupThisVIconfiguresthesourceofthedataforthedigitalmodulation.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.sourceSpecifiesthesourceofdata.ThedataisusedtomodulatetheRFsignalaccordingtothestandardselectedwiththeIviRFSigGen>>DigitalModulation>>DigitalModulationBaseSelectedStandardproperty.ThedriverusesthisvaluetosettheIviRFSigGen>>DigitalModulation>>DigitalModulationBaseDataSourceproperty.
DefinedValues:IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_DATA_SOURCE_EXTERNAL-Thedatafromanexternaldeviceconnectedtotheinstrumentisused.
IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_DATA_SOURCE_PRBS-TheinternalPRBS(PseudoRandomBinarySequence)generatorisusedasdatasource.
IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_DATA_SOURCE_BIT_SEQUENCE-Aconstantbitsequenceisusedasdatasourceandrepeatedcontinuously.
DefaultValue:IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_DATA_SOURCE_EXTERNALerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIs
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previouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureDigitalModulationBasePRBSType[DMB]IviRFSigGenDigitalModulationBaseCapabilityGroupThisVIconfiguresthetypeofthePRBSusedasdataforthedigitalmodulation.ThesettingisusedonlyifIviRFSigGen>>DigitalModulation>>DigitalModulationBaseDataSourceissettoPRBS.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.typeSpecifiesthetypeofthePRBSasdefinedintheCCITT-V.52standard.ThePRBS(PseudoRandomBinarySequence)isusedonlyiftheIviRFSigGen>>DigitalModulation>>DigitalModulationBaseDataSourcepropertyissettoPRBS.ThedriverusesthisvaluetosettheIviRFSigGen>>DigitalModulation>>DigitalModulationBasePRBSTypeproperty.
DefinedValues:IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS9-LengthofPRBSsequenceis2E9-1.
IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS11-LengthofPRBSsequenceis2E11-1.
IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS15-LengthofPRBSsequenceis2E15-1.
IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS16
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-LengthofPRBSsequenceis2E16-1.
IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS20-LengthofPRBSsequenceis2E20-1
IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS21-LengthofPRBSsequenceis2E21-1.
IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS23-LengthofPRBSsequenceis2E23-1.
DefaultValue:IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS9errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureFMEnabled[FM]IviRFSigGenModulateFMCapabilityGroupThisVIconfiguresthesignalgeneratortoapplyfrequencymodulationtotheRFoutputsignal.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.fmenabledSpecifieswhetherthesignalgeneratorappliesfrequencymodulationtotheRFoutputsignalornot.ThedriverusesthisvaluetosettheIviRFSigGen>>AnalogModulation>>FM>>FMEnabledproperty.
ValidValues:TRUE(1)-FrequencymodulationOnFALSE(0)-FrequencymodulationOff
DefaultValue:FALSE(0)errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureFMExternalCoupling[FM]IviRFSigGenModulateFMCapabilityGroupThisVIconfiguresthecouplingofanexternalsourceforfrequencymodulation.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.fmexternalcouplingSpecifiesthecouplingoftheexternalsourceofthemodulatingsignal.ThedriverusesthisvaluetosettheIviRFSigGen>>AnalogModulation>>FM>>FMExternalCouplingproperty.
DefinedValues:
IVIRFSIGGEN_VAL_FM_EXTERNAL_COUPLING_AC-ACCouplingIVIRFSIGGEN_VAL_FM_EXTERNAL_COUPLING_DC-DCCoupling
DefaultValue:IVIRFSIGGEN_VAL_FM_EXTERNAL_COUPLING_ACerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtain
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fromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureFM[FM]IviRFSigGenModulateFMCapabilityGroupThisVIconfiguresthemodulationdeviationandmodulationsourceforthesignalgenerator'sfrequencymodulation.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.sourceSpecifiesthesourceofthesignalthatisusedasthemodulatingsignal.Ifmorethanonesourceisspecified,thevoltagesofallsources(internalandexternal)aresummed.Multiplesourcenamesareseparatedbycommas.ThedriverusesthisvaluetosettheIviRFSigGen>>AnalogModulation>>FM>>FMSourceproperty.
DefaultValue:""deviationSpecifiestheextentofmodulation(peakfrequencydeviation)thesignalgeneratorappliestotheRF-signal(carrierwaveform)withthemodulatingsignalasaresultofsummingallsources,internalandexternal.ThedriverusesthisvaluetosettheIviRFSigGen>>AnalogModulation>>FM>>FMDeviationproperty.
Units:Hertz
DefaultValue:0.0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureFrequencyStepDwell[FST]IviRFSigGenFrequencyStepCapabilityGroupThisVIconfigureshowthefrequencysweepadvances.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.singleenabledSpecifyifthefrequencysweepadvancesafterthenexttriggerevent(TRUE)orimmediatelyafterthedwelltimeends(FALSE).ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>FrequencyStep>>Frequency_STEP_SINGLE_STEP_ENABLEDproperty.
ValidValues:TRUE;FALSE
DefaultValue:FALSEdwellSpecifythedurationtimeofonestep.Dwelltimestartsimmediateafteratriggerorthenextstep;nosettlingtimeisadded.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>FrequencyStep>>Frequency_STEP_DWELLproperty.
Units:Seconds
DefaultValue:2.0ms
Note:
ThispropertyisignorediftheIviRFSigGen>>Sweep>>FrequencyStep>>Frequency_STEP_SINGLE_STEP_ENABLEDpropertyis
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settoTRUE.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureFrequencyStepStartStop[FST]IviRFSigGenFrequencyStepCapabilityGroupThisVIconfiguresthesettingsthatcontrolthestepfrequenciesofthegenerator'sRFoutputsignal.Thesesettingsarestartandstopfrequency,stepsize,andlin/logscaling.Ifthestopfrequencyislessthanthestartfrequency,thefrequencydecreasesduringthesweep.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.startSpecifiesthestartfrequencyofthesteppedsweep.Ifthestopfrequencyislessthanthestartfrequency,thefrequencydecreasesduringthesweep.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>FrequencyStep>>Frequency_STEP_STARTproperty.
Units:Hertz
DefaultValue:500.0KHzstopSpecifiesthestopfrequencyofthesteppedsweep.Ifthestopfrequencyislessthanthestartfrequency,thefrequencydecreasesduringthesweep.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>FrequencyStep>>Frequency_STEP_STOPproperty.
Units:Hertz
DefaultValue:5.0MHzscalingSpecifiesthespacingofthesteps.Thedriverusesthisvalue
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tosettheIviRFSigGen>>Sweep>>FrequencyStep>>Frequency_STEP_SCALINGproperty.
DefinedValues:IVIRFSIGGEN_VAL_FREQUENCY_STEP_SCALING_LINEAR-Linearscaling
IVIRFSIGGEN_VAL_FREQUENCY_STEP_SCALING_LOGARITHMIC-Logarithmicscaling
DefaultValue:IVIRFSIGGEN_VAL_FREQUENCY_STEP_SCALING_LINEARstepsizeSpecifiesthestepsize.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>FrequencyStep>>Frequency_STEP_SIZEproperty.
Units:TheunitsareHzwhentheIviRFSigGen>>Sweep>>FrequencyStep>>Frequency_STEP_SCALINGpropertyissettoIVIRFSIGGEN_VAL_FREQUENCY_STEP_SCALING_LINEARThevalueisunitless(factor)whentheIviRFSigGen>>Sweep>>FrequencyStep>>Frequency_STEP_SCALINGpropertyissettoIVIRFSIGGEN_VAL_FREQUENCY_STEP_SCALING_LOGARITHMIC.
DefaultValue:100KHzerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureFrequencySweepCenterSpan[FSW]IviRFSigGenFrequencySweepCapabilityGroupThisVIconfiguresthecenterfrequencyandspanforafrequencysweep.ThisVImodifiesthestartandstoppropertiesasfollows:
IviRFSigGen>>Sweep>>FrequencyStep>>Frequency_STEP_START=Center-Span/2IviRFSigGen>>Sweep>>FrequencyStep>>Frequency_STEP_STOP=Center+Span/2
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.centerSpecifiesthecenterfrequencyforafrequencysweep.
Units:Hertz
DefaultValue:50.0MHzspanSpecifiesthefrequencyspanforafrequencysweep.
Units:Hertz
DefaultValue:500.0KHzerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.Usethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfrom
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otherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureFrequencySweepStartStop[FSW]IviRFSigGenFrequencySweepCapabilityGroupThisVIconfiguresthestartandstopfrequenciesforafrequencysweep.Ifthestopfrequencyislessthanthestartfrequency,thefrequencydecreasesduringthesweep
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.startSpecifiesthestartfrequencyofthesweep.Ifthestopfrequencyislessthanthestartfrequency,thefrequencydecreasesduringthesweep.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>FrequencySweep>>Frequency_SWEEP_STARTproperty.
Units:Hertz
DefaultValue:100.0KHzstopSpecifiesthestopfrequencyofthesweep.Ifthestopfrequencyislessthanthestartfrequency,thefrequencydecreasesduringthesweep.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>FrequencySweep>>Frequency_SWEEP_STOPproperty.
Units:Hertz
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DefaultValue:100.0MHzerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureFrequencySweepTime[FSW]IviRFSigGenFrequencySweepCapabilityGroupThisVIconfiguresthedurationofonefrequencysweep.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.timeSpecifiesthedurationofonesweepfromstarttostopfrequency.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>FrequencySweep>>Frequency_SWEEP_TIMEproperty.
Units:Seconds
DefaultValue:1.0serrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
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IviRFSigGenConfigureIQEnabled[MIQ]IviRFSigGenModulateIQCapabilityGroupThisVIconfiguresthesignalgeneratortoapplyIQ(vector)modulationtotheRFoutputsignal.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.iqenabledEnablesIQ(vector)modulationoftheoutputRFsignal.ThedriverusesthisvaluetosettheIviRFSigGen>>IQ>>IQEnabledproperty.
ValidValues:TRUE;FALSE
DefaultValue:FALSEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureIQImpairmentEnabled[IQI]IviRFSigGenIQImpairmentCapabilityGroupThisVIenablestheIQ(vector)modulationtoallowcontrolledimpairmentfortestorexternalcorrections.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.iqimpairmentenabledEnablesIQimpairment.ThedriverusesthisvaluetosettheIviRFSigGen>>IQ>>IQImpairment>>IQImpairmentEnabledproperty.
ValidValues:TRUE;FALSE
WhensettoTRUE,thefollowingimpairmentpropertiesareapplied:
IviRFSigGen>>IQ>>IQImpairment>>IQIOffsetIviRFSigGen>>IQ>>IQImpairment>>IQQOffsetIviRFSigGen>>IQ>>IQImpairment>>IQRatioIviRFSigGen>>IQ>>IQImpairment>>IQSkew
DefaultValue:FALSEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureIQImpairment[IQI]IviRFSigGenIQImpairmentCapabilityGroupThisVIconfiguresthesettingsthatsimulateorcorrectimpairmentforthesignalgenerator'sIQmodulation.ThesesettingsareonlyusediftheIviRFSigGen>>IQ>>IQImpairment>>IQImpairmentEnabledpropertyissettoTRUE.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.ioffsetSpecifiesanoriginoffsetvoltagetotheIsignal.Therangeofallowablevaluesis-100%to+100%.ThedriverusesthisvaluetosettheIviRFSigGen>>IQ>>IQImpairment>>IQIOffsetproperty.
Units:Percent(%)
DefaultValue:0.0qoffsetSpecifiesanoriginoffsetvoltagetotheQsignal.Therangeofallowablevaluesis-100%to+100%.ThedriverusesthisvaluetosettheIQ_Q_OFFSETproperty.
Units:Percent(%)
DefaultValue:0.0ratioSpecifiesthegainimbalancebetweentheIandQchannels.Fornoimbalancethisvalueissetto0%.ThedriverusesthisvaluetosettheIviRFSigGen>>IQ>>IQImpairment>>IQRatioproperty.
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Units:Percent(%)
DefaultValue:0.0skewSpecifiestheadjustmentofthephaseanglebetweentheIandQvectors.Ifthisskewiszero,thephaseangleis90degrees.ThedriverusesthisvaluetosettheIviRFSigGen>>IQ>>IQImpairment>>IQSkewproperty.
Units:Degrees
DefaultValue:0.0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureIQ[MIQ]IviRFSigGenModulateIQCapabilityGroupThisVIconfiguresthesignalgeneratortoapplyIQ(vector)modulationtotheRFoutputsignal.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.sourceSpecifiesthesourceofthesignalthatthesignalgeneratorusesforIQmodulation.ThedriverusesthisvaluetosettheIviRFSigGen>>IQ>>IQSourceproperty.
DefinedValues:
IVIRFSIGGEN_VAL_IQ_SOURCE_DIGITAL_MODULATION_BASE-ThesignalgeneratorusestheinternallygenerateddigitalmodulationsignaltoapplyIQmodulationtotheoutputRFsignal.
IVIRFSIGGEN_VAL_IQ_SOURCE_CDMA_BASE-ThesignalgeneratorusestheinternallygeneratedCDMAsignaltoapplyIQmodulationtotheoutputRFsignal.
IVIRFSIGGEN_VAL_IQ_SOURCE_TDMA_BASE-ThesignalgeneratorusestheinternallygeneratedTDMAsignaltoapplyIQmodulationtotheoutputRFsignal.
IVIRFSIGGEN_VAL_IQ_SOURCE_EXTERNAL-ThesignalgeneratorusesdatafromanexternalsourceforIQmodulation.
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IVIRFSIGGEN_VAL_IQ_SOURCE_ARB_GENERATOR-ThesignalgeneratorusestheinternallygeneratedArbsignaltoapplyIQmodulationtotheoutputRFsignal.
DefaultValue:IVIRFSIGGEN_VAL_IQ_SOURCE_EXTERNALswapenabledEnablestheinversephaserotationoftheIQsignalbyswappingtheIandQinputs.ThedriverusesthisvaluetosettheIviRFSigGen>>IQ>>IQSwapEnabledproperty.
ValidValues:
TRUE-TheRFsignalgeneratorappliesnon-inversephaserotationoftheIQsignal.
FALSE-TheRFsignalgeneratorappliesinversephaserotationoftheIQsignal.
DefaultValue:FALSEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureLFGeneratorOutput[LFO]IviRFSigGenLFGeneratorOutputCapabilityGroupThisVIsetstheoutputvoltageandenablestheLFgeneratorwithintheRFsignalgenerator.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.amplitudeSpecifiestheoutputvoltagetheoftheLFgenerator.ThedriverusesthisvaluetosettheIviRFSigGen>>LFGenerator>>LFGeneratorOutputs>>LFGeneratorOutputAmplitudeproperty.
Units:Voltspeaktopeak.
DefaultValue:0.0enabledSpecifieswhethertheLFgeneratorappliesanoutputsignalornot.ThedriverusesthisvaluetosettheIviRFSigGen>>LFGenerator>>LFGeneratorOutputs>>LFGeneratorOutputEnabledproperty.
ValidValues:TRUE;FALSE
DefaultValue:FALSEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureLFGenerator[LF]IviRFSigGenLFGeneratorCapabilityGroupThisVIconfigurestheLFgeneratorsoutputfrequencyandwaveform.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.frequencySpecifiesthefrequencyoftheactiveLFgenerator.ThedriverusesthisvaluetosettheIviRFSigGen>>LFGenerator>>LFGeneratorFrequencyproperty.
Units:Hertz
DefaultValue:500HzwaveformSpecifiesthewaveformoftheactiveLFgenerator.ThedriverusesthisvaluetosettheIviRFSigGen>>LFGenerator>>LFGeneratorWaveformproperty.
DefinedValues:
IVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_SINE-Sinusoidwaveform.
IVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_SQUARE-Squarewaveform.
IVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_TRIANGLE-Trianglewaveform.
IVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_RAMP_UP
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-Risingrampwaveform.
IVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_RAMP_DOWN-Fallingrampwaveform.
DefaultValue:IVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_SINEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureListDwell[LST]IviRFSigGenListCapabilityGroupThisVIconfigureshowliststeppingadvances.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.singlestepenabledSpecifiesiftheliststepadvancesafterthenexttriggerevent(TRUE)orimmediatelyafterthedwelltimeends(FALSE).
ValidValues:
TRUE-Thelistadvanceswhenthenexttriggereventoccurs.FALSE-Thelistwilladvanceimmediatelyafterthedwelltimeends.
ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>List>>ListSingleStepEnabledproperty.
DefaultValue:FALSEdwellSpecifiesthedurationtimeofonestep.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>List>>ListDwellproperty.
Units:Seconds
DefaultValue:2.0msNotes
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(1)ThispropertyisignoredifListSingleStepEnabledissettoTRUE.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureOutputEnabledIviRFSigGenBaseCapabilityGroupThisVIenablestheRFoutputsignal.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.outputenabledSpecifieswhethertoenableordisabletheRFoutputsignal.ThedriverusesthisvaluetosettheIviRFSigGen>>RF>>OuptutEnabledproperty.
ValidValues:TRUE(1)-OutputenabledFALSE(0)-Outputdisabled
DefaultValue:FALSE(0)errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePMEnabled[PM]IviRFSigGenModulatePMCapabilityGroupThisVIconfiguresthesignalgeneratortoapplyphasemodulationtotheRFoutputsignal.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.pmenabledSpecifieswhetherthesignalgeneratorappliesphasemodulationtotheRFoutputsignalornot.ThedriverusesthisvaluetosettheIviRFSigGen>>AnalogModulation>>PM>>PMEnabledproperty.
ValidValues:TRUE(1)-PhasemodulationOnFALSE(0)-PhasemodulationOff
DefaultValue:FALSE(0)errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePMExternalCoupling[PM]IviRFSigGenModulatePMCapabilityGroupThisVIconfiguresthecouplingofanexternalsourceforphasemodulation.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.pmexternalcouplingSpecifiesthecouplingoftheexternalsourceofthemodulatingsignal.ThedriverusesthisvaluetosettheIviRFSigGen>>AnalogModulation>>PM>>PMExternalCouplingproperty.
DefinedValues:
IVIRFSIGGEN_VAL_PM_EXTERNAL_COUPLING_AC-TheexternalsourceiscoupledforAConly.IVIRFSIGGEN_VAL_PM_EXTERNAL_COUPLING_DC-TheexternalsourceiscoupledforbothDCandAC.
DefaultValue:IVIRFSIGGEN_VAL_PM_EXTERNAL_COUPLING_ACerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtain
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fromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePM[PM]IviRFSigGenModulatePMCapabilityGroupConfiguresthepropertythatcontrolthesignalgenerator'sphasemodulation.Thepropertiesarethemodulationdeviationandthemodulatingsource(s).
ThisVIconfiguresthemodulationdeviationandmodulationsourceforthesignalgenerator'sphasemodulation.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.sourceSpecifiesthesourceofthesignalthatisusedasthemodulatingsignal.Ifmorethanonesourceisspecified,thevoltagesofallsources(internalandexternal)aresummed.Multiplesourcenamesareseparatedbycommas.ThedriverusesthisvaluetosettheIviRFSigGen>>AnalogModulation>>PM>>PMSourceproperty.
DefaultValue:""deviationSpecifiestheextentofmodulation(peakphasedeviation)thesignalgeneratorappliestotheRF-signal(carrierwaveform)withthemodulatingsignalasaresultofsummingallsources,internalandexternal.ThedriverusesthisvaluetosettheIviRFSigGen>>AnalogModulation>>PM>>PMDeviationproperty.
Units:radians
DefaultValue:0.0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.Usethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfrom
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otherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePowerStepDwell[PST]IviRFSigGenPowerStepCapabilityGroupThisVIconfigureshowthepowersweepadvances.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.singleenabledSpecifiesifthefrequencysweepadvancesafterthenexttriggerevent(TRUE)orimmediatelyafterthedwelltimeends(FALSE).ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>PowerStep>>SingleStepEnabledproperty.
ValidValues:TRUE;FALSE
DefaultValue:FALSEdwellSpecifiesthedurationtimeofonestep.Dwelltimestartsimmediateafteratriggerorthenextstep;nosettlingtimeisadded.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>PowerStep>>PowerStepDwellproperty.
Units:Seconds
DefaultValue:2.0ms
Note:
ThispropertyisignorediftheIviRFSigGen>>Sweep>>PowerStep>>SingleStepEnabledpropertyissettoTRUE.errorin(noerror)Theerrorinclustercanaccepterrorinformation
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wiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePowerStepStartStop[PST]IviRFSigGenPowerStepCapabilityGroupThisVIconfiguresthesettingsthatcontrolthepowerstepsofthegenerator'sRFoutputsignal.Thesesettingsarestartandstoppowerandstepsize.Ifthestoppowerislessthanthestartpower,thepowerdecreasesinvalueduringthesweep
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.startSpecifiesthestartpowerofthesteppedsweep.Ifthestoppowerislessthanthestartpower,thepowerdecreasesinvalueduringthesweep.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>PowerStep>>PowerStepStartproperty.
Units:dBm
DefaultValue:-50.0stopSpecifiesthestartpowerofthesteppedsweep.Ifthestoppowerislessthanthestartpower,thepowerdecreasesinvalueduringthesweep.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>PowerStep>>PowerStepStopproperty.
Units:dBm
DefaultValue:-10.0stepsizeSpecifiesthestepsize.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>PowerStep>>PowerStepSizeproperty.
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Units:dBm
DefaultValue:0.1dBmerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePowerSweepStartStop[PSW]IviRFSigGenPowerSweepCapabilityGroupThisVIconfiguresthestartandstoppowerforapowersweep.Ifthestoppowerislessthanthestartpower,thepowerdecreasesinvalueduringthesweep.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.startSpecifiesthestartpowerofthesweep.Ifthestoppowerislessthanthestartpower,thepowerdecreasesinvalueduringthesweep.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>PowerSweep>>PowerSweepStartproperty.
Units:dBm
DefaultValue:-50.0dBmstopSpecifiesthestoppowerofthesweep.Ifthestoppowerislessthanthestartpower,thepowerdecreasesinvalueduringthesweep.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>PowerSweep>>PowerSweepStopproperty.
Units:dBm
DefaultValue:-10.0dBmerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.Usethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfrom
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otherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePowerSweepTime[PSW]IviRFSigGenPowerSweepCapabilityGroupThisVIconfiguresthedurationofonepowersweep.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.timeSpecifiesthedurationofonesweepfromstarttostoppower.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>PowerSweep>>PowerSweepTimeproperty.
Units:Seconds
DefaultValue:1.0serrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePulseDouble[DPG]IviRFSigGenPulseDoubleGeneratorCapabilityGroupThisVIsetsthedoublepulsestateanddelayforthepulsegeneratorwithintheRFsignalgenerator.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.enabledEnablesdoublepulsemode.ThedriverusesthisvaluetosettheIviRFSigGen>>PulseGenerator>>DoublePulseGenerators>>PulseDoubleEnabledproperty.
ValidValues:TRUE;FALSE
DefaultValue:FALSEdelaySpecifiesthedelayofthesecondpulse.ThedriverusesthisvaluetosettheIviRFSigGen>>PulseGenerator>>DoublePulseGenerators>>PulseDoubleDelayproperty.
Units:Seconds
DefaultValue:0.0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePulseExternalTrigger[PG]IviRFSigGenPulseGeneratorCapabilityGroupThisVIconfiguresthetriggeringofthepulsegeneratorwithintheRFsignalgenerator.ThisVIspecifiestheexternaltriggerslopeandthedelaytimeforstartingthepulseafterthetriggerpulse.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.externalslopeSpecifieswhethertheeventoccursontherisingorfallingedgeoftheinputsignal.ThedriverusesthisvaluetosettheIviRFSigGen>>PulseGenerator>>PulseExternalTriggerSlopeproperty.
DefinedValues:IVIRFSIGGEN_VAL_PULSE_EXTERNAL_TRIGGER_SLOPE_POSITIVE-Enablesrisingedgetriggering.
IVIRFSIGGEN_VAL_PULSE_EXTERNAL_TRIGGER_SLOPE_NEGATIVE-Enablesfallingedgetriggering.
DefaultValue:IVIRFSIGGEN_VAL_PULSE_EXTERNAL_TRIGGER_SLOPE_POSITIVEdelaySpecifiesthedelayforstartingtheoutputpulsewithrespecttothetriggerinput.
Units:Seconds
DefaultValue:0.0
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errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePulseInternalTrigger[PG]IviRFSigGenPulseGeneratorCapabilityGroupThisVIspecifiesthetimeperiod(repetitionrate)ofthepulsegeneratorwhenusingtheinternaltrigger(freerun)mode.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.periodSpecifiestheperiodofthepulsegeneratoroutputsignalwhenthepropertyIviRFSigGen>>PulseGenerator>>PulseTriggerSourceissettoInternal.ThedriverusesthisvaluetosettheIviRFSigGen>>PulseGenerator>>PulseInternalTriggerPeriodproperty.
Units:Seconds
DefaultValue:1.0mserrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePulseModulationEnabled[PULM]IviRFSigGenModulatePulseCapabilityGroupThisVIconfiguresthesignalgeneratortoapplypulsemodulationtotheRFoutputsignal.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.pulsemodulationenabledSpecifieswhetherthesignalgeneratorappliespulsemodulationtotheRFoutputsignalornot.ThedriverusesthisvaluetosettheIviRFSigGen>>PulseModulation>>PulseMod.Enabledproperty.
ValidValues:TRUE(1)-EnablespulsemodulationFALSE(0)-Disablespulsemodulation
DefaultValue:FALSEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePulseModulationExternalPolarity[PULM]IviRFSigGenModulatePulseCapabilityGroupThisfunctionspecifiesthepolarityoftheexternalsourcesignal.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.externalpolaritySpecifiesthepolarityoftheexternalsourcesignal.ThedriverusesthisvaluetosettheIviRFSigGen>>PulseModulation>>PulseMod.ExternalPolarityproperty.
DefinedValues:
IVIRFSIGGEN_VAL_PULSE_MODULATION_EXTERNAL_POLARITY_NORMAL-Thesignalgeneratormodulatesthecarriersignalwithnormalpulsepolarity.IncreasingthepositivepulsevoltagelevelresultsinhigherRFlevel.
IVIRFSIGGEN_VAL_PULSE_MODULATION_EXTERNAL_POLARITY_INVERSE-Thesignalgeneratormodulatesthecarriersignalwithinvertedpulsepolarity.IncreasingthepositivepulsevoltagelevelresultsinlowerRFlevel.
DefaultValue:IVIRFSIGGEN_VAL_PULSE_MODULATION_EXTERNAL_POLARITY_NORMALerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePulseModulationSource[PULM]IviRFSigGenModulatePulseCapabilityGroupThisVIsetsthesourceforpulsemodulationoftheRFoutputsignal.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.sourceSpecifiesthesourceofthesignalthatisusedasthemodulatingsignal.ThedriverusesthisvaluetosettheIviRFSigGen>>PulseModulation>>PulseMod.Sourceproperty.
DefinedValues:IVIRFSIGGEN_VAL_PULSE_MODULATION_SOURCE_INTERNAL-Theinternalpulsegeneratorisusedformodulation.
IVIRFSIGGEN_VAL_PULSE_MODULATION_SOURCE_EXTERNAL-Anexternalgeneratorisusedformodulation
DefaultValue:IVIRFSIGGEN_VAL_PULSE_MODULATION_SOURCE_INTERNALerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformation
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outofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePulseOutput[PGO]IviRFSigGenPulseGeneratorOutputCapabilityGroupThisVIconfigurestheoutputandpolarityofthepulsegeneratorwithintheRFsignalgenerator.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.polaritySpecifiesthepolarityoftheoutputsignal.ThedriverusesthisvaluetosettheIviRFSigGen>>PulseGenerator>>PulseGeneratorOutput>>PulseOutputPolarityproperty.
DefinedValues:IVIRFSIGGEN_VAL_PULSE_OUTPUT_POLARITY_NORMAL-Normalpolarity
IVIRFSIGGEN_VAL_PULSE_OUTPUT_POLARITY_INVERSE-Invertedpolarity
DefaultValue:IVIRFSIGGEN_VAL_PULSE_OUTPUT_POLARITY_NORMALenabledEnablesthepulsegeneratorexternaloutput.ThedriverusesthisvaluetosettheIviRFSigGen>>PulseGenerator>>PulseGeneratorOutput>>PulseOutputEnabledproperty.
ValidValues:TRUE;FALSE
DefaultValue:FALSE
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errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigurePulse[PG]IviRFSigGenPulseGeneratorCapabilityGroupThisVIconfiguresthetriggersource,pulsewidth,andgatingenabledforthepulsegeneratorwithintheRFsignalgenerator.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.triggersourceSpecifiesthesourceofthesignalthepulsegeneratorusestogenerateonepulse.ThedriverusesthisvaluetosettheIviRFSigGen>>PulseGenerator>>PulseTriggerSourceproperty.
DefinedValues:IVIRFSIGGEN_VAL_PULSE_TRIGGER_SOURCE_INTERNAL-Noexternaltriggerisused.ThepulseperiodisspecifiedbytheIviRFSigGen>>PulseGenerator>>PulseInternalTriggerPeriodproperty.
IVIRFSIGGEN_VAL_PULSE_TRIGGER_SOURCE_EXTERNAL-ThepulseisstartedwithatriggerafterthedelaytimespecifiedbytheIviRFSigGen>>PulseGenerator>>PulseExternalTriggerDelayproperty.
DefaultValue:
IVIRFSIGGEN_VAL_PULSE_TRIGGER_SOURCE_INTERNALpulsewidthSpecifiesthewidthoftheoutputpulse.Thedriver
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usesthisvaluetosettheIviRFSigGen>>PulseGenerator>>PulseWidthproperty.
Units:Seconds
DefaultValue:50.0e-6secondsgatingenabledEnablespulsegating.ThedriverusesthisvaluetosettheIviRFSigGen>>PulseGenerator>>PulseGatingEnabledproperty.
ValidValues:TRUE;FALSE
DefaultValue:FALSEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureReferenceOscillator[RO]IviRFSigGenReferenceOscillatorCapabilityGroupThisVIconfiguresthesignalgenerator'sreferenceoscillator.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.sourceSpecifiesthereferencefrequencysourceusedtogeneratetheexactRFoutputfrequency.ThedriverusesthisvaluetosettheIviRFSigGen>>ReferenceOscillator>>ReferenceOscillatorSourceproperty.
DefinedValues:IVIRFSIGGEN_VAL_REFERENCE_OSCILLATOR_SOURCE_INTERNAL-Theinternalreferenceoscillatorisused.
IVIRFSIGGEN_VAL_REFERENCE_OSCILLATOR_SOURCE_EXTERNAL-Anexternalreferenceoscillatorisused.
DefaultValue:IVIRFSIGGEN_VAL_REFERENCE_OSCILLATOR_SOURCE_INTERNALfrequencySpecifiesthefrequencyoftheexternalsignal,whichisusedasreferenceforinternalRFfrequencygeneration.ThedriverusesthisvaluetosettheIviRFSigGen>>ReferenceOscillator>>ReferenceOscillatorExternalFrequencyproperty.
Units:Hertz
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DefaultValue:10.0E6
Note:ThisvalueisusedonlyiftheIviRFSigGen>>ReferenceOscillator>>ReferenceOscillatorSourcepropertyissettoExternal.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureRFIviRFSigGenBaseCapabilityGroupThisVIconfiguresthefrequencyandthepowerleveloftheRFoutputsignal.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.frequencySpecifiesthefrequencyofthegeneratedRFsignal.Thedriverusesthisvaluetosettheproperty.
Units:Hertz
DefaultValue:1.0MHzpowerlevelSpecifiesthepowerlevelofthegeneratedRFsignal.Thedriverusesthisvaluetosettheproperty.
Units:dBm
DefaultValue:0.0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureSweepIviRFSigGenSweepCapabilityGroupThisVIconfiguresthesignalgeneratorsweepmodeandtriggersource.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.modeSpecifiesthesweepmodeappliedtotheoutputsignal.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>SweepModeproperty.
DefinedValues:
IVIRFSIGGEN_VAL_SWEEP_MODE_NONE-TheRFoutputofthesignalgeneratorisanon-sweptsignal(ContinuousWave)usingthefrequencyandpower/levelspecifiedinthe.
IVIRFSIGGEN_VAL_SWEEP_MODE_FREQUENCY_SWEEP-ThesignalgeneratorsweepstheRFoutputsignal'sfrequencyinananalogform(non-stepped).
IVIRFSIGGEN_VAL_SWEEP_MODE_POWER_SWEEP-ThesignalgeneratorsweepstheRFoutputsignal'spowerinananalogform(non-stepped).
IVIRFSIGGEN_VAL_SWEEP_MODE_FREQUENCY_STEP-ThesignalgeneratorsweepstheRFoutputsignalsfrequencyinsteps.
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IVIRFSIGGEN_VAL_SWEEP_MODE_POWER_STEP-ThesignalgeneratorsweepstheRFoutputsignalspowerlevelinsteps.
IVIRFSIGGEN_VAL_SWEEP_MODE_LIST-ThesignalgeneratorusestwolistswithfrequencyandpowerlevelvaluestosweeptheRFoutputsignals.
DefaultValue:IVIRFSIGGEN_VAL_SWEEP_MODE_NONEtriggersourceSpecifiesthetriggerusedtostartasweepoperation.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>SweepTriggerSourceproperty.
DefinedValues:
IVIRFSIGGEN_VAL_SWEEP_TRIGGER_SOURCE_IMMEDIATE-Thesweepsystemdoesnotwaitforatriggerofanykind,soitisrunningcontinuously.
IVIRFSIGGEN_VAL_SWEEP_TRIGGER_SOURCE_EXTERNAL-Thesweepisstartedwithanexternalsignal.
IVIRFSIGGEN_VAL_SWEEP_TRIGGER_SOURCE_SOFTWARE-Thesweepisstartedwithasoftwareprogrammabletrigger.
DefaultValue:IVIRFSIGGEN_VAL_SWEEP_TRIGGER_SOURCE_IMMEDIATEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWith
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OptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureTDMAClockSource[TDMA]IviRFSigGenTDMABaseCapabilityGroupThisVIconfigurestheTDMAclocksource.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.sourceSpecifiesthesourceoftheclocksignalusedtogeneratethedigitalmodulationaccordingtotheselectedstandard.ThedriverusesthisvaluetosettheIviRFSigGen>>TDMA>>TDMAClockSourceproperty.
DefinedValues:IVIRFSIGGEN_VAL_TDMA_CLOCK_SOURCE_INTERNAL-Theinternalclockgeneratorisused.
IVIRFSIGGEN_VAL_TDMA_CLOCK_SOURCE_EXTERNAL-Aconnectedexternalclockgenerator(bitorsymbolclockfrequency)isused.
DefaultValue:IVIRFSIGGEN_VAL_TDMA_CLOCK_SOURCE_INTERNALtypeSpecifiesthetypeoftheexternalclocksignalusedtogeneratethedigitalmodulation.ThisvalueisusedonlyiftheIviRFSigGen>>TDMA>>TDMAClockSourcepropertyissettoExternal.
TypeisignoredifSourceissettoInternal.
DefinedValues:
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IVIRFSIGGEN_VAL_TDMA_EXTERNAL_CLOCK_TYPE_BIT-Theexternalclockfrequencyisequaltothebitclockfrequencyofthedigitalmodulation.
IVIRFSIGGEN_VAL_TDMA_EXTERNAL_CLOCK_TYPE_SYMBOL-Theexternalclockfrequencyisequaltothesymbolclockfrequencyofthedigitalmodulation.
DefaultValue:IVIRFSIGGEN_VAL_TDMA_EXTERNAL_CLOCK_TYPE_BITerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureTDMAExternalTriggerSlope[TDMA]IviRFSigGenTDMABaseCapabilityGroupThisVIconfiguresthetriggereventtooccurontherisingorfallingedgeoftheinputsignal.ThissettingisusedonlyifIviRFSigGen>>TDMA>>Trigger>>TDMATriggerSourceissettoExternal
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.slopeSpecifieswhetherthetriggereventoccursontherisingorfallingedgeoftheinputsignal.ThedriverusesthisvaluetosettheIviRFSigGen>>TDMA>>Trigger>>TDMAExternalTriggerSlopeproperty.
DefinedValues:
IVIRFSIGGEN_VAL_TDMA_EXTERNAL_TRIGGER_SLOPE_POSITIVE-Enablesrisingedgetriggering.
IVIRFSIGGEN_VAL_TDMA_EXTERNAL_TRIGGER_SLOPE_NEGATIVE-Enablesfallingedgetriggering.
DefaultValue:IVIRFSIGGEN_VAL_TDMA_EXTERNAL_TRIGGER_SLOPE_POSITIVEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromthe
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IviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenConfigureTDMATriggerSource[TDMA]IviRFSigGenTDMABaseCapabilityGroupThisVIconfigurestheTDMAtriggersourceforstartingorsynchronizingthegenerationoftheframes/slots.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.sourceSpecifiesthesourceofthetriggersignalthatstartstheframe/slotsgeneration.ThedriverusesthisvaluetosettheIviRFSigGen>>TDMA>>Trigger>>TDMATriggerSourceproperty.
DefinedValues:
IVIRFSIGGEN_VAL_TDMA_TRIGGER_SOURCE_IMMEDIATE-TheTDMAgeneratorsystemdoesnotwaitforatrigger.Eachframeisruncontinuously.
IVIRFSIGGEN_VAL_TDMA_TRIGGER_SOURCE_EXTERNAL-Eachframeisstartedwithanexternalsignal.
IVIRFSIGGEN_VAL_TDMA_TRIGGER_SOURCE_SOFTWARE-Eachframeisstartedwithasoftwareprogrammabletrigger.
DefaultValue:IVIRFSIGGEN_VAL_TDMA_TRIGGER_SOURCE_IMMEDIATE
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errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenCreateFrequencyList[LST]IviRFSigGenListCapabilityGroupThisVIcreatesanamedlistoffrequencyvalues.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameThenameofthelisttobecreated.
DefaultValue:""lengthThenumberofvaluesinthelistarray.
DefaultValue:0frequencyPassthearrayoffrequencyvaluestobecomeelementsofthelist.ThearraymusthaveatleastasmanyelementsasthevalueintheLengthparameter.
Units:Hertzerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenCreateFrequencyPowerList[LST]ThisVIcreatesanamedlistoffrequencyandpowervalues.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameThenameofthelisttobecreated.
DefaultValue:""lengthThenumberofvaluesinthelistarray.
DefaultValue:0frequencyPassthearrayoffrequencyvaluestobecomeelementsofthelist.ThearraymusthaveatleastasmanyelementsasthevalueintheLengthparameter.
Units:HertzpowerPassthearrayofpowervaluestobecomeelementsofthelist.ThearraymusthaveatleastasmanyelementsasthevalueintheLengthparameter.
Units:dBmerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtain
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fromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenCreatePowerList[LST]IviRFSigGenListCapabilityGroupThisVIcreatesanamedlistofpowervalues.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameThenameofthelisttobecreated.
DefaultValue:""lengthThenumberofvaluesinthelistarray.
DefaultValue:0powerPassthearrayofpowervaluestobecomeelementsofthelist.ThearraymusthaveatleastasmanyelementsasthevalueintheLengthparameter.
Units:dBmerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenDisableAllModulationIviRFSigGenBaseCapabilityGroupThisVIdisablesallcurrentlyenabledmodulations(e.g.analog,pulse,IQ,anddigitalmodulation).
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenGetAnalogModulationSourceName[MS]IviRFSigGenAnalogModulationSourceCapabilityGroupThisVIreturnsthespecificdriverdefinedanalogmodulationsourcenamethatcorrespondstotheone-basedindexspecifiedbytheIndexparameter.IfyoupassinavaluefortheIndexparameterthatislessthanoneorgreaterthanthevalueoftheIviRFSigGen>>AnalogModulation>>Source>>ModulationSourceCountproperty,theVIreturnsanemptystringintheNameparameterandreturnstheInvalidValueerror.
Note:Foraninstrumentwithonlyoneanalogmodulationsource,i.e.theIviRFSigGen>>AnalogModulation>>Source>>ModulationSourceCountpropertyisone,thedrivermayreturnanemptystring.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.indexTheindexoftheanalogmodulationsourcewhosenameisreturned.ThevaluemustbegreaterthanorequaltooneandlessthanorequaltoIviRFSigGen>>AnalogModulation>>Source>>ModulationSourceCount.
Note:
Zeroisnotalegalvalue.
DefaultValue:1namebuffersizeSpecifythebuffersizefortheNameparameter.
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DefaultValue:0nameTheanalogmodulationsourcenamethatcorrespondstotheIndex.
TheNamebuffermustcontainatleastasmanyelementsasthevalueyouspecifywiththeNameBufferSizeparameter.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenGetCDMAStandardName[CDMA]IviRFSigGenCDMABaseCapabilityGroupThisVIreturnsthespecificdriverdefinedCDMAstandardnamethatcorrespondstotheone-basedindexspecifiedbytheIndexparameter.IfyoupassinavaluefortheIndexparameterthatislessthanoneorgreaterthanthevalueoftheIviRFSigGen>>CDMA>>CDMAStandardCountproperty,theVIreturnsanemptystringintheNameparameterandreturnstheInvalidValueerror.
Note:ForaninstrumentwithonlyoneCDMAstandard,i.e.theIviRFSigGen>>CDMA>>CDMAStandardCountpropertyisone,thedrivermayreturnanemptystring.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.indexSpecifiestheindexoftheCDMAStandardNametoreturn.
DefaultValue:0namebuffersizeSpecifythebuffersizefortheNameparameter.
DefaultValue:0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtain
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fromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameTheCDMAstandardnamethatcorrespondstotheIndex.
TheNamebuffermustcontainatleastasmanyelementsasthevalueyouspecifywiththeNameBufferSizeparameter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenGetCDMATestModelName[CDMA]IviRFSigGenCDMABaseCapabilityGroupThisVIreturnsthespecificdriverdefinedCDMAtestmodelnamethatcorrespondstotheone-basedindexspecifiedbytheIndexparameter.IfyoupassinavaluefortheIndexparameterthatislessthanoneorgreaterthanthevalueoftheIviRFSigGen>>CDMA>>CDMATestModelCountproperty,theVIreturnsanemptystringintheNameparameterandreturnstheInvalidValueerror.
Note:ForaninstrumentwithonlyoneCDMAtestmodel,i.e.theIviRFSigGen>>CDMA>>CDMATestModelCountpropertyisone,thedrivermayreturnanemptystring.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.indexSpecifiestheindexoftheCDMAtestmodelnametoreturn.
DefaultValue:0namebuffersizeSpecifythebuffersizefortheNameparameter.
DefaultValue:0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtain
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fromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameTheCDMAtestmodelnamethatcorrespondstotheIndex.
TheNamebuffermustcontainatleastasmanyelementsasthevalueyouspecifywiththeNameBufferSizeparameter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenGetDigitalModulationBaseStandardName[DMB]IviRFSigGenDigitalModulationBaseCapabilityGroupThisVIreturnsthespecificdriverdefinedDigitalModulationBasestandardnamethatcorrespondstotheone-basedindexspecifiedbytheIndexparameter.IfyoupassinavaluefortheIndexparameterthatislessthanoneorgreaterthanthevalueoftheIviRFSigGen>>DigitalModulation>>DigitalModulationBaseStandardCountproperty,theVIreturnsanemptystringintheNameparameterandreturnstheInvalidValueerror.
Note:ForaninstrumentwithonlyoneDigitalModulationBasestandard,i.e.theIviRFSigGen>>DigitalModulation>>DigitalModulationBaseStandardCountpropertyisone,thedrivermayreturnanemptystring.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.indexSpecifiestheindexoftheDigitalModulationBaseNametoreturn.
DefaultValue:0namebuffersizeSpecifythebuffersizefortheNameparameter.
DefaultValue:0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.Usethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfrom
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otherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameTheDigitalModulationBasenamethatcorrespondstotheIndex.
TheNamebuffermustcontainatleastasmanyelementsasthevalueyouspecifywiththeNameBufferSizeparameter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenGetLFGeneratorName[LF]IviRFSigGenLFGeneratorCapabilityGroupThisVIreturnsthespecificdriverdefinedLFgeneratorsourcenamethatcorrespondstotheone-basedindexspecifiedbytheIndexparameter.IfyoupassinavaluefortheIndexparameterthatislessthanoneorgreaterthanthevalueoftheIviRFSigGen>>LFGenerator>>LFGeneratorCountproperty,theVIreturnsanemptystringintheNameparameterandreturnstheInvalidValueerror.
Note:ForaninstrumentwithonlyoneLFgeneratorsource,i.e.theIviRFSigGen>>LFGenerator>>LFGeneratorCountpropertyisone,thedrivermayreturnanemptystring.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.indexTheindexoftheanalogmodulationsourcewhosenameisreturned.ThevaluemustbegreaterthanorequaltooneandlessthanorequaltoIviRFSigGen>>LFGenerator>>LFGeneratorCount.
Note:
Zeroisnotalegalvalue.
DefaultValue:0namebuffersizeSpecifythebuffersizefortheNameparameter.
DefaultValue:0errorin(noerror)Theerrorinclustercanaccepterrorinformation
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wiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameTheLFgeneratorsourcenamethatcorrespondstotheIndex.
TheNamebuffermustcontainatleastasmanyelementsasthevalueyouspecifywiththeNameBufferSizeparameter.
DefaultValue:""erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenGetTDMAFrameName[TDMA]IviRFSigGenTDMABaseCapabilityGroupThisVIreturnsthespecificdriverdefinedTDMAframenamethatcorrespondstotheone-basedindexspecifiedbytheIndexparameter.IfyoupassinavaluefortheIndexparameterthatislessthanoneorgreaterthanthevalueoftheIviRFSigGen>>TDMA>>TDMAFrameCountproperty,theVIreturnsanemptystringintheNameparameterandreturnstheInvalidValueerror.
Note:ForaninstrumentwithonlyoneTDMAframe,i.e.theIviRFSigGen>>TDMA>>TDMAFrameCountpropertyisone,thedrivermayreturnanemptystring.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.indexSpecifiestheindexoftheTDMAframenametoreturn.
DefaultValue:0namebuffersizeSpecifythebuffersizefortheNameparameter.
DefaultValue:0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtain
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fromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameTheTDMAframenamethatcorrespondstotheIndex.
TheNamebuffermustcontainatleastasmanyelementsasthevalueyouspecifywiththeNameBufferSizeparameter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenGetTDMAStandardName[TDMA]IviRFSigGenTDMABaseCapabilityGroupThisVIreturnsthespecificdriverdefinedTDMAstandardnamethatcorrespondstotheone-basedindexspecifiedbytheIndexparameter.IfyoupassinavaluefortheIndexparameterthatislessthanoneorgreaterthanthevalueoftheTDMA_STANDARD_COUNTproperty,theVIreturnsanemptystringintheNameparameterandreturnstheInvalidValueerror.
Note:ForaninstrumentwithonlyoneCDMAstandard,i.e.theTDMA_STANDARD_COUNTpropertyisone,thedrivermayreturnanemptystring.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.indexSpecifiestheindexoftheTDMAStandardNametoreturn.
DefaultValue:0namebuffersizeSpecifythebuffersizefortheNameparameter.
DefaultValue:0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtain
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fromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameTheTDMAstandardnamethatcorrespondstotheIndex.
TheNamebuffermustcontainatleastasmanyelementsasthevalueyouspecifywiththeNameBufferSizeparameter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenIsSettledIviRFSigGenBaseCapabilityGroupThisVIqueriesiftheRFoutputsignaliscurrentlysettled.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.settledReturnsTRUEiftheoutputsignalisinsettled,FALSEotherwise.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenQueryArbWaveformCapabilities[ARB]IviRFSigGenArbGeneratorCapabilityGroupThisVIreturnsthearbgeneratorsettingsthatarerelatedtocreatingarbitrarywaveforms.Thesepropertiesarethemaximumnumberofwaveforms,waveformquantum,minimumwaveformsize,andmaximumwaveformsize.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.maxnumberofwaveformsReturnsthemaximumnumberofwaveformstheinstrumentcanholdinthememory.Thenumbermaybedependentonthelengthofthewaveformalreadyinthepoolofwaveformssavedintheinstrument.ThedriverreturnsthevalueoftheIviRFSigGen>>ARBGenerator>>Waveform>>ARBMaxNumberWaveformsproperty.waveformquantumReturnsthewaveformquantumwherethewaveformlengthisamultipleofthisquantum.Ifthewaveformquantumis1,thereisnorestrictiononthewaveformlengthother
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thanminandmaxsize.ThedriverreturnsvalueoftheIviRFSigGen>>ARBGenerator>>Waveform>>ARBWaveformQuantumproperty.minwaveformsizeReturnstheminimumsizeofthewaveformlengthinnumberofsamples.Thewaveformlengthmustbeequalorgreaterthanthisminsize.Iftheminimumsizeis1,thereisnorestrictiononthewaveformlengthotherthanmaxsizeandquantum.ThedriverreturnsthevalueoftheIviRFSigGen>>ARBGenerator>>Waveform>>ARBWaveformSizeMinproperty.maxwaveformsizeReturnsthemaximumwaveformlengthinthenumberofsamples.Thewaveformlengthmustbeequalorlessthanthismaximumsize.ThedriverreturnsthevalueoftheIviRFSigGen>>ARBGenerator>>Waveform>>ARBWaveformSizeMaxproperty.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenResetFrequencyStep[FST]IviRFSigGenFrequencyStepCapabilityGroupThisVIresetsthecurrentfrequencysteptothefrequencystepstartvalue.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenResetList[LST]IviRFSigGenListCapabilityGroupThisVIresetsthecurrentlisttothefirstentryvalue.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenResetPowerStep[PST]IviRFSigGenPowerStepCapabilityGroupThisVIresetsthecurrentpowersteptothepowerstepstartvalue.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenSelectArbWaveform[ARB]IviRFSigGenArbGeneratorCapabilityGroupThisVIsetsanamedwaveformtobetheactivewaveform.Createarbwaveformnamesusingthe.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameSpecifiestheselectedwaveformfromthepoolofavailablewaveforms.ThedriverusesthisvaluetosettheIviRFSigGen>>ARBGenerator>>Waveform>>ARBSelectedWaveformproperty.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenSelectCDMAStandard[CDMA]IviRFSigGenCDMABaseCapabilityGroupThisVIspecifiesthestandardusedbytheinstrument.Toobtainalistofavailablestandards,callthe.Manyinstrumentsettingsareaffectedbyselectinganinstrumentstandard.Thesesettingsinclude:modulationtype,bitclockfrequencyandfiltertogetherwiththeassociatedfilterparameters.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameSpecifythestandardtobeusedbytheinstrument.ThedriverusesthisvaluetosettheIviRFSigGen>>CDMA>>CDMASelectedStandardproperty.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenSelectCDMATestModel[CDMA]IviRFSigGenCDMABaseCapabilityGroupThisVIspecifiesthechannelcodingusedforthedigitalmodulation.ToobtainalistofavailableCDMAtestmodelsforchannelcoding,callthe.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameSpecifiestheactualtestmodelusedbytheinstrument.ThedriverusesthisvaluetosettheIviRFSigGen>>CDMA>>CDMASelectedTestModelproperty.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenSelectDigitalModulationBaseBitSequence[DMB]IviRFSigGenDigitalModulationBaseCapabilityGroupThisVIsetsabitsequencetobeusedasdigitalmodulationdata.Createbitsequencesusingthe.ThebitsequenceissetonlyiftheIviRFSigGen>>DigitalModulation>>DigitalModulationBaseDataSourcepropertyissettoBitSequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameSpecifiesnameofthebitsequence(stream)usedasdatafordigitalmodulation.ThesequenceisusedonlyiftheIviRFSigGen>>DigitalModulation>>DigitalModulationBaseDataSourcepropertyissettoBitSequence.ThedriverusesthisvaluetosettheIviRFSigGen>>DigitalModulation>>DigitalModulationBaseSelectedBitSequenceproperty.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtain
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fromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenSelectDigitalModulationBaseStandard[DMB]IviRFSigGenDigitalModulationBaseCapabilityGroupThisVIspecifiestheactualstandardusedbytheinstrument.Toobtainalistofavailablestandards,callthe.Manyinstrumentsettingsareaffectedbyselectinganinstrumentstandard.Thesesettingsinclude:coding,mapping,symbolrateorbitclockfrequency,filtertogetherwiththeassociatedfilterparameters,andFSKdeviationorASKdepth(inthecaseofFSKorASKmodulation).
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameSpecifiesthestandardtobeusedbytheinstrument.ThedriverusesthisvaluetosettheIviRFSigGen>>DigitalModulation>>DigitalModulationBaseSelectedStandardproperty.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.
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erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenSelectList[LST]IviRFSigGenListCapabilityGroupThisVIsetsanamedlisttobetheactivelist.CreatelistnamesusingthefollowingVIs:,,or.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameSpecifythenameofthelisttomakethislistactive.Thenamemustbeoneofthelistscreated.ThedriverusesthisvaluetosettheIviRFSigGen>>Sweep>>List>>ListSelectedNameproperty.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenSelectTDMAFrame[TDMA]IviRFSigGenTDMABaseCapabilityGroupThisVIspecifiestheframeusedforframeddigitalmodulation.ToobtainalistofavailableTDMAframes,callthe.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameSpecifiestheactualframes/slotusedbytheinstrument.ItisselectedwithoneofthenamesfromTDMAFrameNamesproperty.Theframes/slotaregeneratedonly,ifTDMAFramingEnabledissettoTRUE.ThispropertyisignoredifTDMAFramingEnabledissettoFALSE.ThedriverusesthisvaluetosettheIviRFSigGen>>TDMA>>TDMASelectedFrameproperty.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenSelectTDMAStandard[TDMA]IviRFSigGenTDMABaseCapabilityGroupThisVIspecifiesthestandardusedbytheinstrument.Toobtainalistofavailablestandards,callthe.Manyinstrumentsettingsareaffectedbyselectinganinstrumentstandard.Thesesettingsinclude:coding,mapping,symbolrateorbitclockfrequency,filtertogetherwiththeassociatedfilterparameters,andFSKdeviationorASKdepth(incaseofFSKorASKmodulation).
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.nameSpecifythestandardtobeusedbytheinstrument.ThedriverusesthisvaluetosettheIviRFSigGen>>TDMA>>TDMASelectedStandardproperty.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
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IviRFSigGenSendSoftwareTrigger[SWT]ThisVIsendsacommandtotriggertheRFsignalgenerator.CallthisVIifyousetatriggersourcetoasoftwaretriggervalue.BelowisalistofpropertiesandVIswhichcansetthetriggersourcetoasoftwaretrigger.
VIs:
Properties:IviRFSigGen>>ARBGenerator>>Trigger>>ARBTriggerSourceIviRFSigGen>>Sweep>>SweepTriggerSourceIviRFSigGen>>CDMA>>Trigger>>CDMATriggerSourceIviRFSigGen>>TDMA>>Trigger>>TDMATriggerSource
Notes
ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheattheconclusionofthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenSetActiveLFGenerator[LF]IviRFSigGenLFGeneratorCapabilityGroupThisVIselectsoneoftheavailableLFgeneratorsources,andmakesittheactiveLFGenerator.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.activelfgeneratorSpecifiestheLFgeneratorwhichiscurrentlyactive.ThevaluesforthisarttributecorrespondtotheLFGeneratorrepeatedcapability.ThedriverusesthisvaluetosettheIviRFSigGen>>LFGenerator>>ActiveLFGeneratorproperty.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenWaitUntilSettledIviRFSigGenBaseCapabilityGroupThisVIwaitsuntilthestateoftheRFoutputsignalhassettled.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.maxtimeSpecifiesthemaximumtimetowaitfortheoutputtosettle.
Iftheoutputdoesnotsettlewithinthistimeinterval,theVIreturnstheIVIRFSIGGEN_ERROR_MAX_TIME_EXCEEDED(0xBFFA2003)errorcode.
Units:milliseconds
DefinedValues:
IVIRFSIGGEN_VAL_MAX_TIME_INFINITE(-1)IVIRFSIGGEN_VAL_MAX_TIME_IMMEDIATE(0)
DefaultValue:5000(ms)
Notes
(1)TheMaximumTimeparameterappliesonlytothisVI.Ithasnoeffectonothertimeoutparametersorproperties.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenWriteArbWaveform[ARB]IviRFSigGenArbGeneratorCapabilityGroupThisVIstoresthetransmittedwaveforminthedrivers'sorinstrument'smemory.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.namePassthenamethewaveformtowrite.
DefaultValue:""numberofsamplesPassthenumberofsamplesinbothIandQarray.
DefaultValue:0dataiPassthearraycontainingtheIpartofthewaveform.
Youmustnormalizethedatapointsinthearraytobebetween-1.00and+1.00ofthefullIrange.
DefaultValue:NonedataqPassthearraycontainingtheQpartofthewaveform.
Youmustnormalizethedatapointsinthearraytobebetween-1.00and+1.00ofthefullQrange.
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DefaultValue:NonemoredatapendingSetthevaluetoTRUEtowritemoredata.Tocompletethewaveform,usethesameNameforthenextdata.SetthevaluetoFALSEwhenthereisnomoredatatowrite.
ValidValues:FALSE-NomoredataTRUE-Moredata
DefaultValue:Nomoredata(FALSE)errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenWriteDigitalModulationBaseBitSequence[DMB]IviRFSigGenDigitalModulationBaseCapabilityGroupThisVIcreatesabitsequenceforuseasthedigitalmodulationdata.Thesequenceisrepeatedcontinuously.Thesequencestringconsistsofbinaryvalues(8bitin1char/byte).
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.namePassthenamethebitsequencetowrite.
DefaultValue:""bitcountPassthenumberofbitsinthesequence.Onechar/bytehas8bits,butthestreamofbitsdoesnotendnecessarilyonbyteboundaries.
DefaultValue:0sequencePassthearraythedriverwilluseasastreamofbits.ThesizeofthearrayisBitCount.
DefaultValue:NonemoredatapendingSetthevaluetoTRUEtowritemoredata.Tocompletethesequence,usethesameNameforthenextdata.SetthevaluetoFALSEwhenthereisnomoredatatowrite.
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ValidValues:FALSE-NomoredataTRUE-Moredata
DefaultValue:Nomoredata(FALSE)errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviRFSigGenInitializeorIviRFSigGenInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviRFSigGenPropertiesExpandthisbooktoviewanalphabetizedlistofIviRFSigGenproperties.
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IviRFSigGenActiveLFGenerator[LF]IviRFSigGenLFGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenSetActiveLFGenerator[LF]
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DescriptionSpecifiestheLFgeneratorwhichiscurrentlyactive.ThevaluesforthispropertycorrespondtotheLFGeneratorrepeatedcapability.
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PropertyNodePathIviRFSigGen»LFGenerator>>ActiveLFGenerator[LF]
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IviRFSigGenALCBandwidth[ALC]IviRFSigGenALCPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A Up IviRFSigGenConfigureALC[ALC]
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DescriptionSpecifiesthebandwidthofAutomaticLevelControl.
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PropertyNodePathIviRFSigGen»ALC>>ALCBandwidth[ALC]
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IviRFSigGenALCEnabledIviRFSigGenBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureALCEnabled
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DescriptionSpecifieswhethertoenableordisableAutomaticLevelControl(ALC).
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PropertyNodePathIviRFSigGen»RF>>ALCEnabled
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenALCSource[ALC]IviRFSigGenALCPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureALC[ALC]
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DescriptionSpecifiesthesourceofthecontrollingvoltagefortheAutomaticLevelControl.
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PropertyNodePathIviRFSigGen»ALC>>ALCSource[ALC]
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DefinedValuesIVIRFSIGGEN_VAL_ALC_SOURCE_INTERNALIVIRFSIGGEN_VAL_ALC_SOURCE_EXTERNAL
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IviRFSigGenAMDepth[AM]IviRFSigGenModulateAMPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureAM[AM]
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DescriptionSpecifiestheextendofmodulationthesignalgeneratorappliestotheRF-signal(carrierwaveform)withthemodulatingsignalasaresultofsummingallsources,internalandexternal.IftheIviRFSigGen>>AnalogModulation>>AM>>AMScaling[AM]propertyissettoLinear,thentheunitsarepercent(%).IftheIviRFSigGen>>AnalogModulation>>AM>>AMScaling[AM]propertyissettologarithmic,thentheunitsaredBm.
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PropertyNodePathIviRFSigGen»AnalogModulation>>AM>>AMDepth[AM]
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IviRFSigGenAMEnabled[AM]IviRFSigGenModulateAMPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureAMEnabled[AM]
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DescriptionSpecifieswhetherthesignalgeneratorappliesamplitudemodulationtotheRFoutputsignal(VI_TRUE)ornot(VI_FALSE).
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PropertyNodePathIviRFSigGen»AnalogModulation>>AM>>AMEnabled[AM]
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenAMExternalCoupling[AM]IviRFSigGenModulateAMPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureAMExternalCoupling[AM]
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DescriptionSpecifiesthecouplingoftheexternalsourceofthemodulatingsignal.
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PropertyNodePathIviRFSigGen»AnalogModulation>>AM>>AMExternalCoupling[AM]
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DefinedValuesIVIRFSIGGEN_VAL_AM_EXTERNAL_COUPLING_ACIVIRFSIGGEN_VAL_AM_EXTERNAL_COUPLING_DC
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IviRFSigGenAMNominalVoltage[AM]IviRFSigGenModulateAMPropertyDatatype Access Appliesto Coercion HighLevelVIs
RO N/A None None
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DescriptionThisisthevoltageatwhichtheinstrumentachievestheamountofmodulationspecifiedbytheIviRFSigGen>>AnalogModulation>>AM>>AMDepth[AM]property.
Note:Thispropertyisreadonly.
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PropertyNodePathIviRFSigGen»AnalogModulation>>AM>>AMNominalVoltage[AM]
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IviRFSigGenAMScaling[AM]IviRFSigGenModulateAMPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureAM[AM]
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DescriptionSpecifieslinearorlogarithmicattenuationforamplitudemodulation.TheunitoftheIviRFSigGen>>AnalogModulation>>AM>>AMDepth[AM]propertyischangedwiththissetting.
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PropertyNodePathIviRFSigGen»AnalogModulation>>AM>>AMScaling[AM]
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DefinedValuesIVIRFSIGGEN_VAL_AM_SCALING_LINEARIVIRFSIGGEN_VAL_AM_SCALING_LOGARITHMIC
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IviRFSigGenAMSource[AM]IviRFSigGenModulateAMPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureAM[AM]
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DescriptionSpecifiesthesourceofthesignalthatisusedasthemodulatingsignal.Ifmorethanonesourceisspecified,thevoltagesofallsources(internalandexternal)aresummed.Multiplesourcenamesareseparatedbycommas.
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PropertyNodePathIviRFSigGen»AnalogModulation>>AM>>AMSource[AM]
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IviRFSigGenARBClockFrequency[ARB]IviRFSigGenArbGeneratorPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureArb[ARB]
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DescriptionSpecifiesthesamplefrequency.Thewaveformisgeneratedwiththisclockfrequency.
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PropertyNodePathIviRFSigGen»ARBGenerator>>ARBClockFrequency[ARB]
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IviRFSigGenARBExternalTriggerSlope[ARB]IviRFSigGenArbGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureArbExternalTriggerSlope[ARB]
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DescriptionSpecifieswhetherthetriggereventoccursontherisingorfallingedgeoftheinputsignal.
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PropertyNodePathIviRFSigGen»ARBGenerator>>Trigger>>ARBExternalTriggerSlope[ARB]
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DefinedValuesIVIRFSIGGEN_VAL_ARB_EXTERNAL_TRIGGER_SLOPE_POSITIVEIVIRFSIGGEN_VAL_ARB_EXTERNAL_TRIGGER_SLOPE_NEGATIVE
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IviRFSigGenARBFilterFrequency[ARB]IviRFSigGenArbGeneratorPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A UP IviRFSigGenConfigureArb[ARB]
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DescriptionSpecifiesthecut-offfrequencyofthelowpassfilter.Thewaveformisfilteredbeforeoutputwiththisfilterforantialiasing.Thefilterfrequencynormallyislowerthantheclockfrequency.TheunitsareHertz.
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PropertyNodePathIviRFSigGen»ARBGenerator>>ARBFilterFrequency[ARB]
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IviRFSigGenARBMaxNumberWaveforms[ARB]IviRFSigGenArbGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
RO N/A None IviRFSigGenQueryArbWaveformCapabilities[ARB]
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DescriptionReturnsthemaxnumberofwaveformstheinstrumentcanholdinthememory.Thenumbermaydependonthelengthofthewaveformalreadyinthepoolofwaveformssavedintheinstrument.
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PropertyNodePathIviRFSigGen»ARBGenerator>>Waveform>>ARBMaxNumberWaveforms[ARB]
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IviRFSigGenARBSelectedWaveform[ARB]IviRFSigGenArbGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenSelectArbWaveform[ARB]
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DescriptionSpecifiestheselectedwaveformfromthepoolofavailablewaveforms.
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PropertyNodePathIviRFSigGen»ARBGenerator>>Waveform>>ARBSelectedWaveform[ARB]
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IviRFSigGenARBTriggerSource[ARB]IviRFSigGenArbGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureArbTriggerSource[ARB]
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DescriptionSpecifieshowtheArbwaveformisstarted(triggered).
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PropertyNodePathIviRFSigGen»ARBGenerator>>Trigger>>ARBTriggerSource[ARB]
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DefinedValuesIVIRFSIGGEN_VAL_ARB_TRIGGER_SOURCE_IMMEDIATEIVIRFSIGGEN_VAL_ARB_TRIGGER_SOURCE_EXTERNALIVIRFSIGGEN_VAL_ARB_TRIGGER_SOURCE_SOFTWARE
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IviRFSigGenARBWaveformQuantum[ARB]IviRFSigGenArbGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
RO N/A None IviRFSigGenQueryArbWaveformCapabilities[ARB]
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DescriptionReturnsthewaveformquantumwherethewaveformlengthisamultipleofthisquantum.Ifthewaveformquantumis1,thereisnorestrictiononthewaveformlengthotherthanminandmaxsize.
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PropertyNodePathIviRFSigGen»ARBGenerator>>Waveform>>ARBWaveformQuantum[ARB]
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IviRFSigGenARBWaveformSizeMax[ARB]IviRFSigGenArbGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
RO N/A None IviRFSigGenQueryArbWaveformCapabilities[ARB]
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DescriptionReturnsthemaximumwaveformlengthinthenumberofsamples.Thewaveformlengthmustbeequalorlessthanthismaximumsize.
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PropertyNodePathIviRFSigGen»ARBGenerator>>Waveform>>ARBWaveformSizeMax[ARB]
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IviRFSigGenARBWaveformSizeMin[ARB]IviRFSigGenArbGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenQueryArbWaveformCapabilities[ARB]
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DescriptionReturnstheminimumsizeofthewaveformlengthinnumberofsamples.Thewaveformlengthmustequalorgreaterthanthisminimumsize.Iftheminimumsizeis1,thereisnorestrictiononthewaveformlengthotherthanmaxsizeandquantum.
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PropertyNodePathIviRFSigGen»ARBGenerator>>Waveform>>ARBWaveformSizeMin[ARB]
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IviRFSigGenCDMAClockSource[CDMA]IviRFSigGenCDMABasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureCDMAClockSource[CDMA]
![Page 1365: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1365.jpg)
DescriptionSpecifiesthesourceoftheclocksignalusedtogeneratethedigitalmodulationaccordingtotheselectedstandard.
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PropertyNodePathIviRFSigGen»CDMA>>CDMAClockSource[CDMA]
![Page 1367: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1367.jpg)
DefinedValuesIVIRFSIGGEN_VAL_CDMA_CLOCK_SOURCE_INTERNALIVIRFSIGGEN_VAL_CDMA_CLOCK_SOURCE_EXTERNAL
![Page 1368: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1368.jpg)
IviRFSigGenCDMAExternalTriggerSlope[CDMA]IviRFSigGenCDMABasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureCDMAExternalTriggerSlope[CDMA]
![Page 1369: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1369.jpg)
DescriptionSpecifieswhetherthetriggereventoccursontherisingorfallingedgeoftheinputsignal.
![Page 1370: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1370.jpg)
PropertyNodePathIviRFSigGen»CDMA>>Trigger>>CDMAExternalTriggerSlope[CDMA]
![Page 1371: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1371.jpg)
DefinedValuesIVIRFSIGGEN_VAL_CDMA_EXTERNAL_TRIGGER_SLOPE_POSITIVEIVIRFSIGGEN_VAL_CDMA_EXTERNAL_TRIGGER_SLOPE_NEGATIVE
![Page 1372: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1372.jpg)
IviRFSigGenCDMASelectedStandard[CDMA]IviRFSigGenCDMABasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenSelectCDMAStandard[CDMA]
![Page 1373: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1373.jpg)
DescriptionSpecifiestheactualstandardusedbytheinstrument.Themodulationtype,bitclockfrequencyandfiltertogetherwiththeassociatedfiltersettingsaresetasdefinedintheselectedstandard.
![Page 1374: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1374.jpg)
PropertyNodePathIviRFSigGen»CDMA>>CDMASelectedStandard[CDMA]
![Page 1375: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1375.jpg)
IviRFSigGenCDMASelectedTestModel[CDMA]IviRFSigGenCDMABasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenSelectCDMATestModel[CDMA]
![Page 1376: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1376.jpg)
DescriptionSpecifiestheactualCDMAtestmodelusedbytheinstrument.
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PropertyNodePathIviRFSigGen»CDMA>>CDMASelectedTestModel[CDMA]
![Page 1378: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1378.jpg)
IviRFSigGenCDMAStandardCount[CDMA]IviRFSigGenCDMABasePropertyDatatype Access Appliesto Coercion HighLevelVIs
RO N/A None None
![Page 1379: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1379.jpg)
DescriptionReturnsthenumberofCDMAstandardsavailableforaparticularinstrument.
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PropertyNodePathIviRFSigGen»CDMA>>CDMAStandardCount[CDMA]
![Page 1381: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1381.jpg)
IviRFSigGenCDMATestModelCount[CDMA]IviRFSigGenCDMABasePropertyDatatype Access Appliesto Coercion HighLevelVIs
RO N/A None None
![Page 1382: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1382.jpg)
DescriptionReturnsthenumberofCDMAtestmodelsavailableforaparticularinstrument.
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PropertyNodePathIviRFSigGen»CDMA>>CDMATestModelCount[CDMA]
![Page 1384: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1384.jpg)
IviRFSigGenCDMATriggerSource[CDMA]IviRFSigGenCDMABasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureCDMATriggerSource[CDMA]
![Page 1385: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1385.jpg)
DescriptionSpecifiesthesourceofthetriggersignalthatstartsthechannelcodinggeneration.
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PropertyNodePathIviRFSigGen»CDMA>>Trigger>>CDMATriggerSource[CDMA]
![Page 1387: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1387.jpg)
DefinedValuesIVIRFSIGGEN_VAL_CDMA_TRIGGER_SOURCE_IMMEDIATEIVIRFSIGGEN_VAL_CDMA_TRIGGER_SOURCE_EXTERNALIVIRFSIGGEN_VAL_CDMA_TRIGGER_SOURCE_SOFTWARE
![Page 1388: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1388.jpg)
IviRFSigGenDigitalModulationBaseClockSource[DMB]IviRFSigGenDigitalModulationBasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureDigitalModulationBaseClockSource[DMB]
![Page 1389: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1389.jpg)
DescriptionSpecifiesthesourceoftheclocksignalusedtogeneratethedigitalmodulationaccordingtotheselectedstandard.
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PropertyNodePathIviRFSigGen»DigitalModulation>>DigitalModulationBaseClockSource[DMB]
![Page 1391: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1391.jpg)
DefinedValuesIVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_CLOCK_SOURCE_INTERNALIVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_CLOCK_SOURCE_EXTERNAL
![Page 1392: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1392.jpg)
IviRFSigGenDigitalModulationBaseDataSource[DMB]IviRFSigGenDigitalModulationBasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureDigitalModulationBaseDataSource[DMB]
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DescriptionSpecifiesthesourceofdata.ThedataisusedtomodulatetheRFsignalaccordingtothestandardselectedwiththeDigitalModulationBaseSelectedStandardproperty.
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PropertyNodePathIviRFSigGen»DigitalModulation>>DigitalModulationBaseDataSource[DMB]
![Page 1395: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1395.jpg)
DefinedValuesIVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_DATA_SOURCE_EXTERNALIVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_DATA_SOURCE_PRBSIVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_DATA_SOURCE_BIT_SEQUENCE
![Page 1396: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1396.jpg)
IviRFSigGenDigitalModulationBaseExternalClockType[DMB]IviRFSigGenDigitalModulationBasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureDigitalModulationBaseClockSource[DMB]
![Page 1397: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1397.jpg)
DescriptionSpecifiesthetypeoftheexternalclocksignalusedtogeneratethedigitalmodulation.ThisvalueisusedonlyiftheDigitalModulationBaseClockSourcepropertyissettoExternal.
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PropertyNodePathIviRFSigGen»DigitalModulation>>DigitalModulationBaseExternalClockType[DMB]
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DefinedValuesIVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_EXTERNAL_CLOCK_TYPE_BITIVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_EXTERNAL_CLOCK_TYPE_SYMBOL
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IviRFSigGenDigitalModulationBasePRBSType[DMB]IviRFSigGenDigitalModulationBasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureDigitalModulationBasePRBSType[DMB]
![Page 1401: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1401.jpg)
DescriptionSpecifiesthetypeofthePRBSasdefinedintheCCITT-V.52standard.ThePRBS(PseudoRandomBinarySequence)isusedonlyifDigitalModulationBaseDataSourceissettoPRBS.
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PropertyNodePathIviRFSigGen»DigitalModulation>>DigitalModulationBasePRBSType[DMB]
![Page 1403: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1403.jpg)
DefinedValuesIVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS9IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS11IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS15IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS16IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS20IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS21IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS23
![Page 1404: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1404.jpg)
IviRFSigGenDigitalModulationBaseSelectedBitSequence[DMB]IviRFSigGenDigitalModulationBasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenSelectDigitalModulationBaseBitSequence[DMB]
![Page 1405: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1405.jpg)
DescriptionSpecifiesnameofthebitsequence(stream)usedasdatafordigitalmodulation.ThesequenceisusedonlyifDigitalModulationBaseDataSourceissettoBitSequence.
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PropertyNodePathIviRFSigGen»DigitalModulation>>DigitalModulationBaseSelectedBitSequence[DMB]
![Page 1407: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1407.jpg)
IviRFSigGenDigitalModulationBaseSelectedStandard[DMB]IviRFSigGenDigitalModulationBasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenSelectDigitalModulationBaseStandard[DMB]
![Page 1408: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1408.jpg)
DescriptionSpecifiestheactualstandardusedbytheinstrument.Thecoding,mapping,symbolrateorbitclockfrequency,filtertogetherwiththeaccordingfilter.parameters,FSKdeviationorASKdepth(incaseofFSKorASKmodulation)aresetasdefinedintheselectedstandard.
![Page 1409: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1409.jpg)
PropertyNodePathIviRFSigGen»DigitalModulation>>DigitalModulationBaseSelectedStandard[DMB]
![Page 1410: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1410.jpg)
IviRFSigGenDigitalModulationBaseStandardCount[DMB]IviRFSigGenDigitalModulationBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
RO N/A None None
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DescriptionSpecifiesthenumberofDigitalModulationBasestandardsavailableforaparticularinstrument.
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PropertyNodePathIviRFSigGen»DigitalModulation>>DigitalModulationBaseStandardCount[DMB]
![Page 1413: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1413.jpg)
IviRFSigGenFMDeviation[FM]IviRFSigGenModulateFMPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureFM[FM]
![Page 1414: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1414.jpg)
DescriptionSpecifiestheextentofmodulation(peakfrequencydeviation)thesignalgeneratorappliestotheRF-signal(carrierwaveform)withthemodulatingsignalasaresultofsummingallsources,internalandexternal.TheunitsareHz.
![Page 1415: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1415.jpg)
PropertyNodePathIviRFSigGen»AnalogModulation>>FM>>FMDeviation[FM]
![Page 1416: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1416.jpg)
IviRFSigGenFMEnabled[FM]IviRFSigGenModulateFMPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureFMEnabled[FM]
![Page 1417: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1417.jpg)
DescriptionSpecifieswhetherthesignalgeneratorappliesfrequencymodulationtotheRFoutputsignal(VI_TRUE)ornot(VI_FALSE).
![Page 1418: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1418.jpg)
PropertyNodePathIviRFSigGen»AnalogModulation>>FM>>FMEnabled[FM]
![Page 1419: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1419.jpg)
DefinedValuesVI_TRUEVI_FALSE
![Page 1420: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1420.jpg)
IviRFSigGenFMExternalCoupling[FM]IviRFSigGenModulateFMPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureFMExternalCoupling[FM]
![Page 1421: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/1421.jpg)
DescriptionSpecifiesthecouplingoftheexternalsourceofthemodulatingsignal.
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PropertyNodePathIviRFSigGen»AnalogModulation>>FM>>FMExternalCoupling[FM]
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DefinedValuesIVIRFSIGGEN_VAL_FM_EXTERNAL_COUPLING_ACIVIRFSIGGEN_VAL_FM_EXTERNAL_COUPLING_DC
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IviRFSigGenFMNominalVoltage[FM]IviRFSigGenModulateFMPropertyDatatype Access Appliesto Coercion HighLevelVIs
RO N/A None None
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DescriptionThisisthevoltageatwhichtheinstrumentachievestheamountofmodulationspecifiedbytheIviRFSigGen>>AnalogModulation>>FM>>FMDeviation[FM]property.
Note:Thispropertyisreadonly.
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PropertyNodePathIviRFSigGen»AnalogModulation>>FM>>FMNominalVoltage[FM]
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IviRFSigGenFMSource[FM]IviRFSigGenModulateFMPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureFM[FM]
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DescriptionSpecifiesthesourceofthesignalthatisusedasthemodulatingsignal.Ifmorethanonesourceisspecified,thevoltagesofallsources(internalandexternal)aresummed.Multiplesourcenamesareseparatedbycommas.
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PropertyNodePathIviRFSigGen»AnalogModulation>>FM>>FMSource[FM]
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IviRFSigGenFrequencyIviRFSigGenBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureRF
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DescriptionSpecifiesthefrequencyofthegeneratedRFoutputsignal.
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PropertyNodePathIviRFSigGen»RF>>Frequency
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IviRFSigGenFrequencyStepDwell[FST]IviRFSigGenFrequencyStepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureFrequencyStepDwell[FST]
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DescriptionSpecifiesthedurationtimeofonestep.Theunitsareinseconds.Dwelltimestartsimmediateaftertiggerornextstep;nosettlingtimeisadded.ThispropertyisignoredifFrequencyStepSingleStepEnabledissettoVI_TRUE.
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PropertyNodePathIviRFSigGen»Sweep>>FrequencyStep>>FrequencyStepDwell[FST]
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IviRFSigGenFrequencyStepScaling[FST]IviRFSigGenFrequencyStepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureFrequencyStepStartStop[FST]
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DescriptionSpecifiesthespacingofthesteps.
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PropertyNodePathIviRFSigGen»Sweep>>FrequencyStep>>FrequencyStepScaling[FST]
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DefinedValuesIVIRFSIGGEN_VAL_FREQUENCY_STEP_SCALING_LINEARIVIRFSIGGEN_VAL_FREQUENCY_STEP_SCALING_LOGARITHMIC
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IviRFSigGenFrequencyStepSingleStepEnabled[FST]IviRFSigGenFrequencyStepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureFrequencyStepDwell[FST]
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DescriptionSpecifieswhetherthetriggerinitiatesthenextstep(VI_TRUE),orthenextstepistakenafterdwelltime(VI_FALSE).
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PropertyNodePathIviRFSigGen»Sweep>>FrequencyStep>>FrequencyStepSingleStepEnabled[FST]
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenFrequencyStepSize[FST]IviRFSigGenFrequencyStepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureFrequencyStepStartStop[FST]
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DescriptionSpecifiesthestepsize.TheunitsareinHzwhentheIviRFSigGen>>Sweep>>FrequencyStep>>FrequencyStepScaling[FST]propertyissettoIVIRFSIGGEN_VAL_FREQUENCY_STEP_SCALING_LINEAR.Thevalueisunitless(factor)whentheIviRFSigGen>>Sweep>>FrequencyStep>>FrequencyStepScaling[FST]propertyissettoIVIRFSIGGEN_VAL_FREQUENCY_STEP_SCALING_LOGARITHMIC.
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PropertyNodePathIviRFSigGen»Sweep>>FrequencyStep>>FrequencyStepSize[FST]
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IviRFSigGenFrequencyStepStart[FST]IviRFSigGenFrequencyStepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureFrequencyStepStartStop[FST]
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DescriptionSpecifiesthestartfrequencyofthesteppedsweep.Ifthestopfrequencyislessthanthestartfrequency,thefrequencydecreasesduringthesweep.TheunitsareinHz.
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PropertyNodePathIviRFSigGen»Sweep>>FrequencyStep>>FrequencyStepStart[FST]
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IviRFSigGenFrequencyStepStop[FST]IviRFSigGenFrequencyStepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureFrequencyStepStartStop[FST]
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DescriptionSpecifiesthestopfrequencyofthesteppedsweep.Ifthestopfrequencyislessthanthestartfrequency,thefrequencydecreasesduringthesweep.TheunitsareinHz.
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PropertyNodePathIviRFSigGen»Sweep>>FrequencyStep>>FrequencyStepStop[FST]
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IviRFSigGenFrequencySweepStart[FSW]IviRFSigGenFrequencySweepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureFrequencySweepStartStop[FSW]IviRFSigGenConfigureFrequencySweepCenterSpan[FSW]
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DescriptionSpecifiesthestartfrequencyofthesweep.Ifthestopfrequencyislessthanthestartfrequency,thefrequencydecreasesduringthesweep.TheunitsareinHz.
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PropertyNodePathIviRFSigGen»Sweep>>FrequencySweep>>FrequencySweepStart[FSW]
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IviRFSigGenFrequencySweepStop[FSW]IviRFSigGenFrequencySweepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureFrequencySweepStartStop[FSW]IviRFSigGenConfigureFrequencySweepCenterSpan[FSW]
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DescriptionSpecifiesthestopfrequencyofthesweep.Ifthestopfrequencyislessthanthestartfrequency,thefrequencydecreasesduringthesweep.TheunitsareinHz.
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PropertyNodePathIviRFSigGen»Sweep>>FrequencySweep>>FrequencySweepStop[FSW]
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IviRFSigGenFrequencySweepTime[FSW]IviRFSigGenFrequencySweepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureFrequencySweepTime[FSW]
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DescriptionSpecifiesthedurationofonesweepfromstarttostopfrequency.Theunitsareinseconds.
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PropertyNodePathIviRFSigGen»Sweep>>FrequencySweep>>FrequencySweepTime[FSW]
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IviRFSigGenIQEnabled[MIQ]IviRFSigGenModulateIQPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureIQEnabled[MIQ]
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DescriptionSpecifieswhetherthesignalgeneratorappliesIQ(vector)modulationtotheoutputRFsignal(VI_TRUE)ornot(VI_FALSE).
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PropertyNodePathIviRFSigGen»IQ>>IQEnabled[MIQ]
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenIQImpairmentEnabled[IQI]IviRFSigGenIQImpairmentPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureIQImpairmentEnabled[IQI]
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DescriptionEnablesIQimpairment.WhensettoVI_TRUE,thefollowingimpairmentpropertiesareapplied.
IviRFSigGen>>IQ>>IQImpairment>>IQI-Offset[IQI]IviRFSigGen>>IQ>>IQImpairment>>IQQ-Offset[IQI]IviRFSigGen>>IQ>>IQImpairment>>IQRatio[IQI]IviRFSigGen>>IQ>>IQImpairment>>IQSkew[IQI]
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PropertyNodePathIviRFSigGen»IQ>>IQImpairment>>IQImpairmentEnabled[IQI]
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenIQNominalVoltage[MIQ]IviRFSigGenModulateIQPropertyDatatype Access Appliesto Coercion HighLevelVIs
RO N/A None None
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DescriptionThisisthevoltageatwhichtheinstrumentachievesfullmodulation.ThevalueiscalculatedbySQRT(I^2+Q^2).
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PropertyNodePathIviRFSigGen»IQ>>IQNominalVoltage[MIQ]
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IviRFSigGenIQIOffset[IQI]IviRFSigGenIQImpairmentPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureIQImpairment[IQI]
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DescriptionSpecifiesanoriginoffsetvoltagetotheIsignal.Therangeofvaluesallowedis-100%to+100%.Thevalueisexpressedaspercentage(%).
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PropertyNodePathIviRFSigGen»IQ>>IQImpairment>>IQIOffset[IQI]
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IviRFSigGenIQQOffset[IQI]IviRFSigGenIQImpairmentPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureIQImpairment[IQI]
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DescriptionSpecifiesanoriginoffsetvoltagetotheQsignal.Therangeofvaluesallowedis-100%to+100%.Thevalueisexpressedaspercentage(%).
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PropertyNodePathIviRFSigGen»IQ>>IQImpairment>>IQQOffset[IQI]
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IviRFSigGenIQRatio[IQI]IviRFSigGenIQImpairmentPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureIQImpairment[IQI]
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DescriptionSpecifiesthegainimbalancebetweentheIandQchannels.Fornoimbalancethisvalueissetto0%.Thevalueisexpressedaspercentage(%).
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PropertyNodePathIviRFSigGen»IQ>>IQImpairment>>IQRatio[IQI]
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IviRFSigGenIQSkew[IQI]IviRFSigGenIQImpairmentPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureIQImpairment[IQI]
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DescriptionSpecifiestheadjustmentofthephaseanglebetweentheIandQvectors.Ifthisskewiszero,thephaseangleis90degrees.Theunitsaredegrees.
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PropertyNodePathIviRFSigGen»IQ>>IQImpairment>>IQSkew[IQI]
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IviRFSigGenIQSource[MIQ]IviRFSigGenModulateIQPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureIQ[MIQ]
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DescriptionSpecifiesthesourceofthesignalthatthesignalgeneratorusesforIQmodulation.
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PropertyNodePathIviRFSigGen»IQ>>IQSource[MIQ]
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DefinedValuesIVIRFSIGGEN_VAL_IQ_SOURCE_DIGITAL_MODULATION_BASEIVIRFSIGGEN_VAL_IQ_SOURCE_CDMA_BASEIVIRFSIGGEN_VAL_IQ_SOURCE_TDMA_BASEIVIRFSIGGEN_VAL_IQ_SOURCE_ARB_GENERATORIVIRFSIGGEN_VAL_IQ_SOURCE_EXTERNAL
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IviRFSigGenIQSwapEnabled[MIQ]IviRFSigGenModulateIQPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureIQ[MIQ]
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DescriptionEnablesordisablestheinversephaserotationoftheIQsignalbyswappingtheIandQinputs.IfVI_TRUE,theRFsignalgeneratorappliesnon-inversephaserotationoftheIQsignal.IfVI_FALSE,theRFsignalgeneratorappliesinversephaserotationoftheIQsignal.
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PropertyNodePathIviRFSigGen»IQ>>IQSwapEnabled[MIQ]
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenPowerSweepStop[PSW]IviRFSigGenPowerSweepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePowerSweepStartStop[PSW]
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DescriptionSpecifiesthestoppowerofthesweep.Ifthestoppowerislessthanthestartpower,thepowerdecreasesinvalueduringthesweep.TheunitsareindBm.
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PropertyNodePathIviRFSigGen»Sweep>>PowerSweep>>PowerSweepStop[PSW]
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IviRFSigGenLFGeneratorCount[LF]IviRFSigGenLFGeneratorPropertyDatatype Access Appliesto Coercion HighLevelVIs
RO N/A None None
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DescriptionSpecifiesthenumberofLFgeneratorsourcesavailableforaparticularinstrument.
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PropertyNodePathIviRFSigGen»LFGenerator>>LFGeneratorCount[LF]
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IviRFSigGenLFGeneratorFrequency[LF]IviRFSigGenLFGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureLFGenerator[LF]
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DescriptionSpecifiesthefrequencyoftheactiveLFgenerator.TheunitisHz.
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PropertyNodePathIviRFSigGen»LFGenerator>>LFGeneratorFrequency[LF]
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IviRFSigGenLFGeneratorOutputAmplitude[LFO]IviRFSigGenLFGeneratorOutputPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureLFGeneratorOutput[LFO]
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DescriptionSpecifiestheoutputvoltageoftheLFgenerator.TheunitisV.
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PropertyNodePathIviRFSigGen»LFGenerator>>LFGeneratorOutputs>>LFGeneratorOutputAmplitude[LFO]
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IviRFSigGenLFGeneratorOutputEnabled[LFO]IviRFSigGenLFGeneratorOutputPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureLFGeneratorOutput[LFO]
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DescriptionSpecifieswhethertheLFgeneratorappliesanoutputsignal(VI_TRUE)ornot(VI_FALSE).
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PropertyNodePathIviRFSigGen»LFGenerator>>LFGeneratorOutputs>>LFGeneratorOutputEnabled[LFO]
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenLFGeneratorWaveform[LF]IviRFSigGenLFGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureLFGenerator[LF]
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DescriptionSpecifiesthewaveformoftheactiveLFgenerator.
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PropertyNodePathIviRFSigGen»LFGenerator>>LFGeneratorWaveform[LF]
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DefinedValuesIVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_SINEIVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_SQUAREIVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_TRIANGLEIVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_RAMP_UPIVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_RAMP_DOWN
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IviRFSigGenListDwell[LST]IviRFSigGenListPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureListDwell[LST]
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DescriptionSpecifiesthedurationtimeofonestep.Theunitsareinsecontds.ThispropertyisignoredifListSingleStepEnabledissettoVI_TRUE.
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PropertyNodePathIviRFSigGen»Sweep>>List>>ListDwell[LST]
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IviRFSigGenListSelectedName[LST]IviRFSigGenListPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenSelectList[LST]
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DescriptionSpecifiesthenameoftheselectedlisttobecomeactive.Thenamemustbeoneofthelistscreated.
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PropertyNodePathIviRFSigGen»Sweep>>List>>ListSelectedName[LST]
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IviRFSigGenListSingleStepEnabled[LST]IviRFSigGenListPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureListDwell[LST]
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DescriptionEnablesordisablessinglestepmode.VI_TRUE:Thelistwilladvancewhenthenexttriggereventoccurs.VI_FALSE:Thelistwilladvanceimmediatlyafterthedwelltimeends.
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PropertyNodePathIviRFSigGen»Sweep>>List>>ListSingleStepEnabled[LST]
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenModulationSourceCount[MS]IviRFSigGenAnalogModulationSourcePropertyDatatype Access Appliesto Coercion HighLevelVIs
RO N/A None None
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DescriptionSpecifieshowmanyanalogmodulationsourcesareavailable.
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PropertyNodePathIviRFSigGen»AnalogModulation>>Source>>ModulationSourceCount[MS]
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IviRFSigGenOutputEnabledIviRFSigGenBasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureOutputEnabled
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DescriptionSpecifieswhethertoenableordisabletheRFoutputsignal.
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PropertyNodePathIviRFSigGen»RF>>OutputEnabled
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenPMDeviation[PM]IviRFSigGenModulatePMPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePM[PM]
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DescriptionSpecifiestheextentofmodulation(peakphasedeviation)thesignalgeneratorappliestotheRF-signal(carrierwaveform)withthemodulatingsignal.Theunitsareradians.
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PropertyNodePathIviRFSigGen»AnalogModulation>>PM>>PMDeviation[PM]
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IviRFSigGenPMEnabled[PM]IviRFSigGenModulatePMPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePMEnabled[PM]
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DescriptionSpecifieswhetherthesignalgeneratorappliesphasemodulationtotheRFoutputsignal(VI_TRUE)ornot(VI_FALSE).
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PropertyNodePathIviRFSigGen»AnalogModulation>>PM>>PMEnabled[PM]
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenPMExternalCoupling[PM]IviRFSigGenModulatePMPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePMExternalCoupling[PM]
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DescriptionSpecifiesthecouplingoftheexternalsourceofthemodulatingsignal.
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PropertyNodePathIviRFSigGen»AnalogModulation>>PM>>PMExternalCoupling[PM]
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DefinedValuesIVIRFSIGGEN_VAL_PM_EXTERNAL_COUPLING_ACIVIRFSIGGEN_VAL_PM_EXTERNAL_COUPLING_DC
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IviRFSigGenPMNominalVoltage[PM]IviRFSigGenModulatePMPropertyDatatype Access Appliesto Coercion HighLevelVIs
RO N/A None None
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DescriptionThisisthevoltageatwhichtheinstrumentachievestheamountofmodulationspecifiedbytheIviRFSigGen>>AnalogModulation>>PM>>PMDeviation[PM]property.
Note:Thispropertyisreadonly.
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PropertyNodePathIviRFSigGen»AnalogModulation>>PM>>PMNominalVoltage[PM]
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IviRFSigGenPMSource[PM]IviRFSigGenModulatePMPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePM[PM]
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DescriptionSpecifiesthesourceofthesignalthatisusedasthemodulatingsignal.Ifmorethanonesourceisspecified,thevoltagesofallsources(internalandexternal)aresummed.Multiplesourcenamesareseparatedbycommas.
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PropertyNodePathIviRFSigGen»AnalogModulation>>PM>>PMSource[PM]
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IviRFSigGenPowerLevelIviRFSigGenBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureRF
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DescriptionSpecifiestheamplitude(powerlevel)oftheRFoutputsignal.ThevalueisindBm.
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PropertyNodePathIviRFSigGen»RF>>PowerLevel
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IviRFSigGenPowerStepDwell[PST]IviRFSigGenPowerStepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePowerStepDwell[PST]
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DescriptionSpecifiesthedurationtimeofonestep.Theunitsareinseconds.ThispropertyisignoredifFrequencyStepSingleStepEnabledissettoVI_TRUE.
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PropertyNodePathIviRFSigGen»Sweep>>PowerStep>>PowerStepDwell[PST]
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IviRFSigGenPowerStepSize[PST]IviRFSigGenPowerStepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePowerStepStartStop[PST]
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DescriptionSpecifiesthestepsize.TheunitsareindBm.
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PropertyNodePathIviRFSigGen»Sweep>>PowerStep>>PowerStepSize[PST]
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IviRFSigGenPowerStepStart[PST]IviRFSigGenPowerStepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePowerStepStartStop[PST]
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DescriptionSpecifiesthestartpowerofthesteppedsweep.Ifthestoppowerislessthanthestartpower,thepowerdecreasesinvalueduringthesweep.TheunitsareindBm.
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PropertyNodePathIviRFSigGen»Sweep>>PowerStep>>PowerStepStart[PST]
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IviRFSigGenPowerStepStop[PST]IviRFSigGenPowerStepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePowerStepStartStop[PST]
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DescriptionSpecifiesthestoppowerofthesteppedsweep.Ifthestoppowerislessthanthestartpower,thepowerdecreasesinvalueduringthesweep.TheunitsareindBm.
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PropertyNodePathIviRFSigGen»Sweep>>PowerStep>>PowerStepStop[PST]
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IviRFSigGenPowerSweepStart[PSW]IviRFSigGenPowerSweepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePowerSweepStartStop[PSW]
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DescriptionSpecifiesthestartpowerofthesweep.Ifthestoppowerislessthanthestartpower,thepowerdecreasesinvalueduringthesweep.TheunitsareindBm.
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PropertyNodePathIviRFSigGen»Sweep>>PowerSweep>>PowerSweepStart[PSW]
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IviRFSigGenPowerSweepTime[PSW]IviRFSigGenPowerSweepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePowerSweepTime[PSW]
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DescriptionSpecifiesthedurationofonesweepfromstarttostoppower.Theunitsareinseconds.
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PropertyNodePathIviRFSigGen»Sweep>>PowerSweep>>PowerSweepTime[PSW]
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IviRFSigGenPulseDoubleDelay[DPG]IviRFSigGenPulseDoubleGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePulseDouble[DPG]
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DescriptionSpecifiesthedelayofthesecondpulse.Theunitsareinseconds.
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PropertyNodePathIviRFSigGen»PulseGenerator>>DoublePulseGenerators>>PulseDoubleDelay[DPG]
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IviRFSigGenPulseDoubleEnabled[DPG]IviRFSigGenPulseDoubleGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePulseDouble[DPG]
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DescriptionSpecifieswhetherdoublepulsemodeisused(VI_TRUE)ornot(VI_FALSE).
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PropertyNodePathIviRFSigGen»PulseGenerator>>DoublePulseGenerators>>PulseDoubleEnabled[DPG]
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenPulseExternalTriggerDelay[PG]IviRFSigGenPulseGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePulseExternalTrigger[PG]
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DescriptionSpecifiesthedelayforstartingtheoutputpulsewithrespecttothetriggerinput.Theunitsareinseconds.
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PropertyNodePathIviRFSigGen»PulseGenerator>>PulseExternalTriggerDelay[PG]
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IviRFSigGenPulseExternalTriggerSlope[PG]IviRFSigGenPulseGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePulseExternalTrigger[PG]
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DescriptionSpecifieswhethertheeventoccursontherisingorfallingedgeoftheinputsignal.
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PropertyNodePathIviRFSigGen»PulseGenerator>>PulseExternalTriggerSlope[PG]
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DefinedValuesIVIRFSIGGEN_VAL_PULSE_EXTERNAL_TRIGGER_SLOPE_POSITIVEIVIRFSIGGEN_VAL_PULSE_EXTERNAL_TRIGGER_SLOPE_NEGATIVE
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IviRFSigGenPulseGatingEnabled[PG]IviRFSigGenPulseGeneratorPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePulse[PG]
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DescriptionSpecifieswhetherpulsegatingisenabled(VI_TRUE)ordisabled(VI_FALSE).
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PropertyNodePathIviRFSigGen»PulseGenerator>>PulseGatingEnabled[PG]
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenPulseInternalTriggerPeriod[PG]IviRFSigGenPulseGeneratorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePulseInternalTrigger[PG]
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DescriptionSpecifiestheperiodofthepulsegeneratorsoutputsignal(ifPulseTriggerSourceissettoInternal).Theunitsareinseconds.
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PropertyNodePathIviRFSigGen»PulseGenerator>>PulseInternalTriggerPeriod[PG]
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IviRFSigGenPulseModulationEnabled[PULM]IviRFSigGenModulatePulsePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePulseModulationEnabled[PULM]
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DescriptionSpecifieswhetherthesignalgeneratorappliespulsemodulationtotheRFoutputsignal(VI_TRUE)ornot(VI_FALSE).
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PropertyNodePathIviRFSigGen»PulseModulation>>PulseModulationEnabled[PULM]
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenPulseModulationExternalPolarity[PULM]IviRFSigGenModulatePulsePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePulseModulationExternalPolarity[PULM]
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DescriptionSpecifiesthepolarityoftheexternalsourcesignal.
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PropertyNodePathIviRFSigGen»PulseModulation>>PulseModulationExternalPolarity[PULM]
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DefinedValuesIVIRFSIGGEN_VAL_PULSE_MODULATION_EXTERNAL_POLARITY_NORMALIVIRFSIGGEN_VAL_PULSE_MODULATION_EXTERNAL_POLARITY_INVERSE
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IviRFSigGenPulseModulationSource[PULM]IviRFSigGenModulatePulsePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePulseModulationSource[PULM]
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DescriptionSpecifiesthesourceofthesignalthatisusedasthemodulatingsignal.
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PropertyNodePathIviRFSigGen»PulseModulation>>PulseModulationSource[PULM]
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DefinedValuesIVIRFSIGGEN_VAL_PULSE_MODULATION_SOURCE_INTERNALIVIRFSIGGEN_VAL_PULSE_MODULATION_SOURCE_EXTERNAL
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IviRFSigGenPulseOutputEnabled[PGO]IviRFSigGenPulseGeneratorOutputPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePulseOutput[PGO]
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DescriptionSpecifieswhethertheoutputofthepulsegeneratorison(VI_TRUE)oroff(VI_FALSE).
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PropertyNodePathIviRFSigGen»PulseGenerator>>PulseGeneratorOutput>>PulseOutputEnabled[PGO]
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenPulseOutputPolarity[PGO]IviRFSigGenPulseGeneratorOutputPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePulseOutput[PGO]
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DescriptionSpecifiesthepolarityoftheoutputsignal.
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PropertyNodePathIviRFSigGen»PulseGenerator>>PulseGeneratorOutput>>PulseOutputPolarity[PGO]
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DefinedValuesIVIRFSIGGEN_VAL_PULSE_OUTPUT_POLARITY_NORMALIVIRFSIGGEN_VAL_PULSE_OUTPUT_POLARITY_INVERSE
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IviRFSigGenPulseTriggerSource[PG]IviRFSigGenPulseGeneratorPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePulse[PG]
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DescriptionSpecifiesthesourceofthesignalthepulsegeneratorusestogenerateonepulse.
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PropertyNodePathIviRFSigGen»PulseGenerator>>PulseTriggerSource[PG]
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DefinedValuesIVIRFSIGGEN_VAL_PULSE_TRIGGER_SOURCE_INTERNALIVIRFSIGGEN_VAL_PULSE_TRIGGER_SOURCE_EXTERNAL
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IviRFSigGenPulseWidth[PG]IviRFSigGenPulseGeneratorPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePulse[PG]
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DescriptionSpecifiesthewidthoftheoutputpulse.Theunitsareinseconds.
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PropertyNodePathIviRFSigGen»PulseGenerator>>PulseWidth[PG]
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IviRFSigGenReferenceOscillatorExternalFrequency[RO]IviRFSigGenReferenceOscillatorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureReferenceOscillator[RO]
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DescriptionSpecifiesthefrequencyoftheexternalsignal,whichisusedasreferenceforinternalRFfrequencygeneration.ThisvalueisusedonlyiftheIviRFSigGen>>ReferenceOscillator>>ReferenceOscillatorSource[RO]propertyissettoExternal.
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PropertyNodePathIviRFSigGen»ReferenceOscillator>>ReferenceOscillatorExternalFrequency[RO]
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IviRFSigGenReferenceOscillatorSource[RO]IviRFSigGenReferenceOscillatorPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureReferenceOscillator[RO]
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DescriptionSpecifiesthereferencefrequencysourceusedtogeneratetheexactRFoutputfrequency.
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PropertyNodePathIviRFSigGen»ReferenceOscillator>>ReferenceOscillatorSource[RO]
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DefinedValuesIVIRFSIGGEN_VAL_REFERENCE_OSCILLATOR_SOURCE_INTERNALIVIRFSIGGEN_VAL_REFERENCE_OSCILLATOR_SOURCE_EXTERNAL
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IviRFSigGenSingleStepEnabled[PST]IviRFSigGenPowerStepPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigurePowerStepDwell[PST]
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DescriptionSpecifieswhetherthetriggerinitiatesthenextstep(VI_TRUE),orthenextstepistakenafterdwelltime(VI_FALSE).
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PropertyNodePathIviRFSigGen»Sweep>>PowerStep>>SingleStepEnabled[PST]
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DefinedValuesVI_TRUEVI_FALSE
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IviRFSigGenSweepMode[SWP]IviRFSigGenSweepPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureSweep
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DescriptionSpecifiesthesweepmodeappliedtotheoutputsignal.
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PropertyNodePathIviRFSigGen»Sweep>>SweepMode[SWP]
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DefinedValuesIVIRFSIGGEN_VAL_SWEEP_MODE_NONEIVIRFSIGGEN_VAL_SWEEP_MODE_FREQUENCY_SWEEPIVIRFSIGGEN_VAL_SWEEP_MODE_POWER_SWEEPIVIRFSIGGEN_VAL_SWEEP_MODE_FREQUENCY_STEPIVIRFSIGGEN_VAL_SWEEP_MODE_POWER_STEPIVIRFSIGGEN_VAL_SWEEP_MODE_LIST
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IviRFSigGenSweepTriggerSource[SWP]IviRFSigGenSweepPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureSweep
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DescriptionSpecifiesthetriggerusedtostartasweepoperation.
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PropertyNodePathIviRFSigGen»Sweep>>SweepTriggerSource[SWP]
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DefinedValuesIVIRFSIGGEN_VAL_SWEEP_TRIGGER_SOURCE_IMMEDIATEIVIRFSIGGEN_VAL_SWEEP_TRIGGER_SOURCE_EXTERNALIVIRFSIGGEN_VAL_SWEEP_TRIGGER_SOURCE_SOFTWARE
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IviRFSigGenTDMAClockSource[TDMA]IviRFSigGenTDMABasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureTDMAClockSource[TDMA]
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DescriptionSpecifiesthesourceoftheclocksignalusedtogeneratethedigitalmodulationaccordingtotheselectedstandard.
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PropertyNodePathIviRFSigGen»TDMA>>TDMAClockSource[TDMA]
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DefinedValuesIVIRFSIGGEN_VAL_TDMA_CLOCK_SOURCE_INTERNALIVIRFSIGGEN_VAL_TDMA_CLOCK_SOURCE_EXTERNAL
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IviRFSigGenTDMAClockType[TDMA]IviRFSigGenTDMABasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureTDMAClockSource[TDMA]
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DescriptionSpecifiesthetypeoftheexternalclocksignalusedtogeneratethedigitalmodulation.ThisvalueisusedonlyiftheIviRFSigGen>>TDMA>>TDMAClockSource[TDMA]propertyissettoExternal.
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PropertyNodePathIviRFSigGen»TDMA>>TDMAClockType[TDMA]
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DefinedValuesIVIRFSIGGEN_VAL_TDMA_EXTERNAL_CLOCK_TYPE_BITIVIRFSIGGEN_VAL_TDMA_EXTERNAL_CLOCK_TYPE_SYMBOL
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IviRFSigGenTDMAExternalTriggerSlope[TDMA]IviRFSigGenTDMABasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureTDMAExternalTriggerSlope[TDMA]
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DescriptionSpecifieswhetherthetriggereventoccursontherisingorfallingedgeoftheinputsignal.
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PropertyNodePathIviRFSigGen»TDMA>>Trigger>>TDMAExternalTriggerSlope[TDMA]
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DefinedValuesIVIRFSIGGEN_VAL_TDMA_EXTERNAL_TRIGGER_SLOPE_POSITIVEIVIRFSIGGEN_VAL_TDMA_EXTERNAL_TRIGGER_SLOPE_NEGATIVE
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IviRFSigGenTDMAFrameCount[TDMA]IviRFSigGenTDMABasePropertyDatatype Access Appliesto Coercion HighLevelVIs
RO N/A None None
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DescriptionSpecifiesthenumberofTDMAframesavailableforaparticularinstrument.
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PropertyNodePathIviRFSigGen»TDMA>>TDMAFrameCount[TDMA]
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IviRFSigGenTDMASelectedFrame[TDMA]IviRFSigGenTDMABasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenSelectTDMAFrame[TDMA]
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DescriptionSpecifiestheactualframeusedbytheinstrument.ItisselectedfromthelistqueriedwiththeGetTDMAFrameNamesVI.
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PropertyNodePathIviRFSigGen»TDMA>>TDMASelectedFrame[TDMA]
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IviRFSigGenTDMASelectedStandard[TDMA]IviRFSigGenTDMABasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenSelectTDMAStandard[TDMA]
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DescriptionSpecifiestheactualstandardusedbytheinstrument.Thecoding,mapping,symbolrateorbitclockfrequency,filtertogetherwiththeaccordingfilterparameters,FSKdeviationorASKdepth(incaseofFSKorASKmodulation)aresetasdefinedintheselectedstandard.
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PropertyNodePathIviRFSigGen»TDMA>>TDMASelectedStandard[TDMA]
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IviRFSigGenTDMAStandardCount[TDMA]Datatype Access Appliesto Coercion HighLevelVIs
RO N/A None None
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DescriptionSpecifiesthenumberofTDMAstandardsavailableforaparticularinstrument.
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PropertyNodePathIviRFSigGen»TDMA>>TDMAStandardCount[TDMA]
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IviRFSigGenTDMATriggerSource[TDMA]IviRFSigGenTDMABasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviRFSigGenConfigureTDMATriggerSource[TDMA]
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DescriptionSpecifiesthesourceofthetriggersignalthatstartstheframe/slotsgeneration.
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PropertyNodePathIviRFSigGen»TDMA>>Trigger>>TDMATriggerSource[TDMA]
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DefinedValuesIVIRFSIGGEN_VAL_TDMA_TRIGGER_SOURCE_IMMEDIATEIVIRFSIGGEN_VAL_TDMA_TRIGGER_SOURCE_EXTERNALIVIRFSIGGEN_VAL_TDMA_TRIGGER_SOURCE_SOFTWARE
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IviRFSigGenDefinedValuesExpandthisbooktoviewanalphabetizedlistofIviRFSigGendefinedvalues.
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IVIRFSIGGEN_VAL_ALC_SOURCE_EXTERNALDescriptionTheALCiscontrolledbyanexternalvoltage.
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DefinedValue2
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IVIRFSIGGEN_VAL_ALC_SOURCE_INTERNALDescriptionTheALCiscontrolledbyaninternalmeasurementsource.
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DefinedValue1
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IVIRFSIGGEN_VAL_AM_EXTERNAL_COUPLING_ACDescriptionTheexternalsourceiscoupledforAConly.
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DefinedValue1
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IVIRFSIGGEN_VAL_AM_EXTERNAL_COUPLING_DCDescriptionTheexternalsourceiscoupledforbothDCandAC
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DefinedValue2
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IVIRFSIGGEN_VAL_AM_SCALING_LINEARDescriptionEnableslinearattenuationforamplitudemodulation.
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DefinedValue1
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IVIRFSIGGEN_VAL_AM_SCALING_LOGARITHMICDescriptionEnableslogarithmicattenuationforamplitudemodulation.
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DefinedValue2
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IVIRFSIGGEN_VAL_ARB_EXTERNAL_TRIGGER_SLOPE_NEGATIVEDescriptionEnablesfallingedgetriggering.
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DefinedValue2
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IVIRFSIGGEN_VAL_ARB_EXTERNAL_TRIGGER_SLOPE_POSITIVEDescriptionEnablesrisingedgetriggering.
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DefinedValue1
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IVIRFSIGGEN_VAL_ARB_TRIGGER_SOURCE_EXTERNALDescriptionThesweepisstartedwithanexternalsignal.
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DefinedValue2
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IVIRFSIGGEN_VAL_ARB_TRIGGER_SOURCE_IMMEDIATEDescriptionTheARBgeneratorsystemdoesnotwaitforatrigger.TheARBrunscontinuously.
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DefinedValue1
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IVIRFSIGGEN_VAL_ARB_TRIGGER_SOURCE_SOFTWAREDescriptionThesweepisstartedwithasoftwareprogrammabletrigger.
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DefinedValue3
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IVIRFSIGGEN_VAL_CDMA_CLOCK_SOURCE_EXTERNALDescriptionAconnectedexternalclockgenerator(bitorsymbolclockfrequency)isused.
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DefinedValue2
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IVIRFSIGGEN_VAL_CDMA_CLOCK_SOURCE_INTERNALDescriptionTheinternalclockgeneratorisused.
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DefinedValue1
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IVIRFSIGGEN_VAL_CDMA_EXTERNAL_TRIGGER_SLOPE_NEGATIVEDescriptionEnablesfallingedgetriggering.
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DefinedValue2
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IVIRFSIGGEN_VAL_CDMA_EXTERNAL_TRIGGER_SLOPE_POSITIVEDescriptionEnablesrisingedgetriggering.
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DefinedValue1
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IVIRFSIGGEN_VAL_CDMA_TRIGGER_SOURCE_EXTERNALDescriptionEachchannelcodingisstartedwithanexternalsignal.
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DefinedValue2
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IVIRFSIGGEN_VAL_CDMA_TRIGGER_SOURCE_IMMEDIATEDescriptionTheCDMAgeneratorsystemdoesnotwaitforatrigger.Eachchannelcodingisruncontinuously.
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DefinedValue1
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IVIRFSIGGEN_VAL_CDMA_TRIGGER_SOURCE_SOFTWAREDescriptionEachchannelcodingisstartedwithasoftwareprogrammabletrigger.
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DefinedValue3
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_CLOCK_SOURCE_EXTERNALDescriptionAconnectedexternalclockgenerator(bitorsymbolclockfrequency)isused.
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DefinedValue2
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_CLOCK_SOURCE_INTERNALDescriptionAninternalclockgeneratorisused.
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DefinedValue1
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_DATA_SOURCE_BIT_SEQUENCEDescriptionAconstantbitsequenceisusedasdatasourceandrepeatedcontinuously.
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DefinedValue3
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_DATA_SOURCE_EXTERNALDescriptionThedatafromanexternaldeviceconnectedtotheinstrumentisused.
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DefinedValue1
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_DATA_SOURCE_PRBSDescriptionTheinternalPRBS(PseudoRandomBinarySequence)generatorisusedasdatasource.
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DefinedValue2
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_EXTERNAL_CLOCK_TYPE_BITDescriptionTheexternalclockfrequencyisequaltothebitclockfrequencyofthedigitalmodulation.
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DefinedValue1
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_EXTERNAL_CLOCK_TYPE_SYMBOLDescriptionTheexternalclockfrequencyisequaltothesymbolclockfrequencyofthedigitalmodulation.
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DefinedValue2
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS11DescriptionLengthofPRBSsequenceis2^11-1.
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DefinedValue2
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS15DescriptionLengthofPRBSsequenceis2^15-1.
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DefinedValue3
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS16DescriptionLengthofPRBSsequenceis2^16-1.
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DefinedValue4
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS20DescriptionLengthofPRBSsequenceis2^20-1.
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DefinedValue5
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS21DescriptionLengthofPRBSsequenceis2^21-1.
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DefinedValue6
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS23DescriptionLengthofPRBSsequenceis2^23-1.
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DefinedValue7
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IVIRFSIGGEN_VAL_DIGITAL_MODULATION_BASE_PRBS_TYPE_PRBS9DescriptionLengthofPRBSsequenceis2^9-1.
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DefinedValue1
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IVIRFSIGGEN_VAL_FM_EXTERNAL_COUPLING_ACDescriptionTheexternalsourceiscoupledforAConly.
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DefinedValue1
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IVIRFSIGGEN_VAL_FM_EXTERNAL_COUPLING_DCDescriptionTheexternalsourceiscoupledforbothDCandAC.
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DefinedValue2
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IVIRFSIGGEN_VAL_FREQUENCY_STEP_SCALING_LINEARDescriptionEnableslinearscaling.
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DefinedValue1
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IVIRFSIGGEN_VAL_FREQUENCY_STEP_SCALING_LOGARITHMICDescriptionEnableslogarithmicscaling.
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DefinedValue2
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IVIRFSIGGEN_VAL_IQ_SOURCE_ARB_GENERATORDescriptionThesignalgeneratorusestheinternallygeneratedArbsignaltoapplyIQmodulationtotheoutputRFsignal.
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DefinedValue4
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IVIRFSIGGEN_VAL_IQ_SOURCE_CDMA_BASEDescriptionThesignalgeneratorusestheinternallygeneratedCDMAsignaltoapplyIQmodulationtotheoutputRFsignal.
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DefinedValue2
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IVIRFSIGGEN_VAL_IQ_SOURCE_DIGITAL_MODULATION_BASEDescriptionThesignalgeneratorusestheinternallygenerateddigitalmodulationsignaltoapplyIQmodulationtotheoutputRFsignal.
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DefinedValue1
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IVIRFSIGGEN_VAL_IQ_SOURCE_EXTERNALDescriptionThesignalgeneratorusesdatafromanexternalsourceforIQmodulation.
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DefinedValue5
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IVIRFSIGGEN_VAL_IQ_SOURCE_TDMA_BASEDescriptionThesignalgeneratorusestheinternallygeneratedTDMAsignaltoapplyIQmodulationtotheoutputRFsignal.
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DefinedValue3
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IVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_RAMP_DOWNDescriptionConfigurestheLFgeneratortoproduceafallingrampwaveform.
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DefinedValue5
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IVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_RAMP_UPDescriptionConfigurestheLFgeneratortoproducearisingrampwaveform.
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DefinedValue4
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IVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_SINEDescriptionConfigurestheLFgeneratortoproduceasinusoidalwaveform.
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DefinedValue1
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IVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_SQUAREDescriptionConfigurestheLFgeneratortoproduceasquarewaveform.
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DefinedValue2
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IVIRFSIGGEN_VAL_LF_GENERATOR_WAVEFORM_TRIANGLEDescriptionConfigurestheLFgeneratortoproduceatrianglewaveform.
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DefinedValue3
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IVIRFSIGGEN_VAL_PM_EXTERNAL_COUPLING_ACDescriptionTheexternalsourceiscoupledforAConly.
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DefinedValue1
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IVIRFSIGGEN_VAL_PM_EXTERNAL_COUPLING_DCDescriptionTheexternalsourceiscoupledforbothDCandAC.
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DefinedValue2
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IVIRFSIGGEN_VAL_PULSE_EXTERNAL_TRIGGER_SLOPE_NEGATIVEDescriptionEnablesfallingedgetriggering.
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DefinedValue2
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IVIRFSIGGEN_VAL_PULSE_EXTERNAL_TRIGGER_SLOPE_POSITIVEDescriptionEnablesrisingedgetriggering.
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DefinedValue1
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IVIRFSIGGEN_VAL_PULSE_MODULATION_EXTERNAL_POLARITY_INVERSEDescriptionThesignalgeneratormodulatesthecarriersignalwithinvertedpulsepolarity.
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DefinedValue2
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IVIRFSIGGEN_VAL_PULSE_MODULATION_EXTERNAL_POLARITY_NORMALDescriptionThesignalgeneratormodulatesthecarriersignalwithnormalpulsepolarity.
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DefinedValue1
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IVIRFSIGGEN_VAL_PULSE_MODULATION_SOURCE_EXTERNALDescriptionAnexternalgeneratorisusedformodulation.
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DefinedValue2
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IVIRFSIGGEN_VAL_PULSE_MODULATION_SOURCE_INTERNALDescriptionAninternalpulsegenerator(IviRFSigGenPulseGeneratorExtensionGroup)isusedformodulation.
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DefinedValue1
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IVIRFSIGGEN_VAL_PULSE_OUTPUT_POLARITY_INVERSEDescriptionSpecifiesinvertedpolarity.
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DefinedValue2
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IVIRFSIGGEN_VAL_PULSE_OUTPUT_POLARITY_NORMALDescriptionSpecifiesnormalpolarity.
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DefinedValue1
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IVIRFSIGGEN_VAL_PULSE_TRIGGER_SOURCE_EXTERNALDescriptionThepulseisstartedwithatriggerafterthedelaytimespecifiedbytheIviRFSigGen>>PulseGenerator>>PulseExternalTriggerDelay[PG]property.
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DefinedValue2
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IVIRFSIGGEN_VAL_PULSE_TRIGGER_SOURCE_INTERNALDescriptionNoexternaltriggerisused.ThepulseperiodisspecifiedbytheIviRFSigGen>>PulseGenerator>>PulseInternalTriggerPeriod[PG]property.
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DefinedValue1
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IVIRFSIGGEN_VAL_REFERENCE_OSCILLATOR_SOURCE_EXTERNALDescriptionAnexternalreferenceoscillatorisused.
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DefinedValue2
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IVIRFSIGGEN_VAL_REFERENCE_OSCILLATOR_SOURCE_INTERNALDescriptionAninternalreferenceoscillatorisused.
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DefinedValue1
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IVIRFSIGGEN_VAL_SWEEP_MODE_FREQUENCY_STEPDescriptionThesignalgeneratorsweepstheRFoutputsignalsfrequencyinsteps.
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DefinedValue4
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IVIRFSIGGEN_VAL_SWEEP_MODE_FREQUENCY_SWEEPDescriptionThesignalgeneratorsweepstheRFoutputsignal'sfrequencyinananalogform(non-stepped).
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DefinedValue2
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IVIRFSIGGEN_VAL_SWEEP_MODE_LISTDescriptionThesignalgeneratorusestwolistswithfrequencyandpowerlevelvaluestosweeptheRFoutputsignals.
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DefinedValue6
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IVIRFSIGGEN_VAL_SWEEP_MODE_NONEDescriptionTheRFoutputofthesignalgeneratorisanon-sweptsignal(ContinuousWave).Frequencyandpowerlevelfrombasecapabilitygroupisused.
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DefinedValue1
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IVIRFSIGGEN_VAL_SWEEP_MODE_POWER_STEPDescriptionThesignalgeneratorsweepstheRFoutputsignalspowerlevelinsteps.
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DefinedValue5
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IVIRFSIGGEN_VAL_SWEEP_MODE_POWER_SWEEPDescriptionThesignalgeneratorsweepstheRFoutputsignal'spowerlevelinananalogform(non-stepped).
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DefinedValue3
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IVIRFSIGGEN_VAL_SWEEP_TRIGGER_SOURCE_EXTERNALDescriptionThesweepisstartedwithanexternalsignal.
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DefinedValue2
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IVIRFSIGGEN_VAL_SWEEP_TRIGGER_SOURCE_IMMEDIATEDescriptionThesweepsystemdoesnotwaitforatriggerofanykind,soitisrunningcontinuously.
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DefinedValue1
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IVIRFSIGGEN_VAL_SWEEP_TRIGGER_SOURCE_SOFTWAREDescriptionThesweepisstartedwithasoftwareprogrammabletrigger.
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DefinedValue3
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IVIRFSIGGEN_VAL_TDMA_CLOCK_SOURCE_EXTERNALDescriptionAconnectedexternalclockgenerator(bitorsymbolclockfrequency)isused.
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DefinedValue2
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IVIRFSIGGEN_VAL_TDMA_CLOCK_SOURCE_INTERNALDescriptionTheinternalclockgeneratorisused.
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DefinedValue1
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IVIRFSIGGEN_VAL_TDMA_EXTERNAL_CLOCK_TYPE_BITDescriptionTheexternalclockfrequencyisequaltothebitclockfrequencyofthedigitalmodulation.
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DefinedValue1
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IVIRFSIGGEN_VAL_TDMA_EXTERNAL_CLOCK_TYPE_SYMBOLDescriptionTheexternalclockfrequencyisequaltothesymbolclockfrequencyofthedigitalmodulation.
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DefinedValue2
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IVIRFSIGGEN_VAL_TDMA_EXTERNAL_TRIGGER_SLOPE_NEGATIVEDescriptionEnablesfallingedgetriggering.
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DefinedValue2
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IVIRFSIGGEN_VAL_TDMA_EXTERNAL_TRIGGER_SLOPE_POSITIVEDescriptionEnablesrisingedgetriggering.
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DefinedValue1
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IVIRFSIGGEN_VAL_TDMA_TRIGGER_SOURCE_EXTERNALDescriptionEachframeisstartedwithanexternalsignal.
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DefinedValue2
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IVIRFSIGGEN_VAL_TDMA_TRIGGER_SOURCE_IMMEDIATEDescriptionTheTDMAgeneratorsystemdoesnotwaitforatriggerofanykind,soitisrunningtheframescontinuously.
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DefinedValue1
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IVIRFSIGGEN_VAL_TDMA_TRIGGER_SOURCE_SOFTWAREDescriptionEachframeisstartedwithasoftwareprogrammabletrigger.
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DefinedValue3
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IviScopeClassDriverReferenceforLabVIEWConceptsIviScopeClassDriverOverviewIviScopeExtensionGroupsIviScopeBehaviorModels
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IviScopeVIandPropertyReference
IviScopeVITreeIviScopePropertiesbyGroupIviScopePropertyValueDefinitionsIviScopeErrorandCompletionCodes
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OtherReference
InterchangeabilityCheckingSimulation
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IviScopeClassDriverOverviewThisinstrumentdriverprovidesprogrammingsupportfortheIviScopeClass.TheIviScopeclassdriverconceptualizesanoscilloscopeasaninstrumentthatcanacquireavoltagewaveformfromananaloginputsignal.Thepointsinthewaveformareacquiredataconfigurableintervalandcouldbeacquiredsequentiallyinreal-timesamplingorinterleavedfrommultiplewaveformacquisitionsinequivalent-timeorRISsampling.Apropertyofoneoftheinputsignals(typicallyarisingorfallingedge)isusedtotriggertheacquisition.Inaddition,theIviScopeclassdrivercansupportinstrumentsthathavemorecomplexacquisitionmodes(suchasaverage,envelope,andpeakdetect)andtriggertypes(suchasTV,runt,andglitch).ThedrivercontainsVIsforallthefunctionsthattheIVIFoundationrequiresfortheIviScopespecification.ThisdriverrequiresNI-VISAandtheIVICompliancePackagetobeinstalled.Usethisdrivertodevelopprogramsthatareindependentofaparticularoscilloscope.YoucanusethisclassdriverwithanyoscilloscopethathasanIVIinstrumentspecificdriverthatiscompliantwiththeIviScopeclass.TheIviScopeclassdriveraccessesthespecificdriverforyourinstrumentusingtheconfigurationinformationyousupplyinMAX.TheIviScopeclassdriverdividesinstrumentcapabilitiesintoabasecapabilitygroupandmultipleextensioncapabilitygroups.TheIviScopeBasecapabilitygroupsupportsoscilloscopesthatacquireonewaveformafterreceivingatriggersignal.TheVIsandpropertiesofthisgroupareimplementedbyalloscilloscopeinstrumentdriversthatarecompliantwiththeIviScopeclass.
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ExtensionCapabilityGroupsTheIviScopeclassdriveridentifiesVIsandpropertiesthatbelongtoanextensiongroupwiththefollowingabbreviations.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandpropertiesthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverthatyouusemustimplementthoseextensions.
GroupName Abbreviation DescriptionIviScopeTVTrigger [TV] Forinstrumentscapable
oftriggeringonstandardtelevisionsignals
IviScopeRuntTrigger [RT] Forinstrumentscapableoftriggeringonrunts
IviScopeGlitchTrigger [GT] Forinstrumentscapableoftriggeringonglitches
IviScopeWidthTrigger [WT] Forinstrumentscapableoftriggeringonavarietyofconditionsregardingpulsewidths
IviScopeWaveformMeasurement [WM] Forinstrumentscapableofcalculatingmeasurementsfromanacquiredwaveform,suchasrisetimeorfrequency
IviScopeMinMaxWaveform [MM] Forinstrumentscapableofacquiringminimumandmaximumwaveformsthatcorrespondtothesamerangeoftime
IviScopeInterpolation [I] Forinstrumentscapableofconfiguringtheacquisitionto
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interpolatemissingpointsinawaveform
IviScopeAcLineTrigger [AT] Forinstrumentscapableoftriggeringonzerocrossingsofanetworksupplyvoltage
IviScopeProbeAutoSense [PAS] Forinstrumentscapableofautomaticallysensingtheprobeattenuationofanattachedprobe
IviScopeContinuousAcquisition [CA] Forinstrumentscapableofcontinuouslyacquiringdatafromtheinputanddisplayingitonthescreen
IviScopeAverageAcquisition [AA] Forinstrumentscapableofcreatingawaveformthatistheaverageofmultiplewaveformacquisitions
IviScopeSampleMode [SM] Forinstrumentscapableofreturningtheactualsamplemode
IviScopeTriggerModifier [TM] Forinstrumentscapableofmodifyingthebehaviorofthetriggeringsubsystemintheabsenceofanexpectedtrigger
IviScopeAutoSetup [AS] Forinstrumentswiththeautomaticconfigurationability
RelatedTopicsIVIInherentClassCapabilities
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IviScopeExtensionCapabilityGroupsTheIviScopeclassdriveridentifiesVIsandpropertiesthatbelongtoanextensiongroupwiththefollowingabbreviations.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandpropertiesthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverthatyouusemustimplementthoseextensions.
GroupName DescriptionIviScopeTVTrigger Forinstrumentscapableoftriggering
onstandardtelevisionsignalsIviScopeRuntTrigger Forinstrumentscapableoftriggering
onruntsIviScopeGlitchTrigger Forinstrumentscapableoftriggering
onglitchesIviScopeWidthTrigger Forinstrumentscapableoftriggering
onavarietyofconditionsregardingpulsewidths
IviScopeWaveformMeasurement Forinstrumentscapableofcalculatingmeasurementsfromanacquiredwaveform,suchasrisetimeorfrequency
IviScopeMinMaxWaveform Forinstrumentscapableofacquiringminimumandmaximumwaveformsthatcorrespondtothesamerangeoftime
IviScopeInterpolation Forinstrumentscapableofconfiguringtheacquisitiontointerpolatemissingpointsinawaveform
IviScopeAcLineTrigger Forinstrumentscapableoftriggeringonzerocrossingsofanetworksupplyvoltage
IviScopeProbeAutoSense Forinstrumentscapableofautomaticallysensingtheprobeattenuationofanattachedprobe
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IviScopeContinuousAcquisition Forinstrumentscapableofcontinuouslyacquiringdatafromtheinputanddisplayingitonthescreen
IviScopeAverageAcquisition Forinstrumentscapableofcreatingawaveformthatistheaverageofmultiplewaveformacquisitions
IviScopeSampleMode Forinstrumentscapableofreturningtheactualsamplemode
IviScopeTriggerModifier Forinstrumentscapableofmodifyingthebehaviorofthetriggeringsubsystemintheabsenceofanexpectedtrigger
IviScopeAutoSetup Forinstrumentswiththeautomaticconfigurationability
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IviScopeAcLineTriggerExtensionGroupInadditiontothefundamentalcapabilities,theIviScopeAcLineTriggerextensiongroupdefinesextensionsforoscilloscopesthatarecapableofsynchronizingthetriggerwiththeACLine.ACLinetriggeringoccurswhentheoscilloscopedetectsapositivezerocrossing,negativezerocrossing,oroptionallyeitherpositiveornegativezerocrossingonthenetworksupplyvoltage.
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IviScopeAcLineTriggerVIIviScopeConfigureACLineTriggerSlope[AT]
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IviScopeAcLineTriggerPropertyIviScopeACLineTriggerSlopeRelatedTopicsIviScopeVITreeIviScopePropertiesIviScopebehaviormodel
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IviScopeAutoSetupExtensionGroupTheIviScopeAutoSetupextensiongroupprovidessupportforoscilloscopesthatcanperformanauto-setupoperation.
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IviScopeAutoSetupVIIviScopeAutoSetupRelatedTopicsIviScopeVITreeIviScopePropertiesIviScopebehaviormodel
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IviScopeAverageAcquisitionExtensionGroupTheIviScopeAverageAcquisitionextensiongroupdefinesextensionsforoscilloscopesthatcanperformaverageacquisition.
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IviScopeAverageAcquisitionVIIviScopeConfigureInitiateContinuous[CA]
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IviScopeAverageAcquisitionPropertyIviScopeInitiateContinuousRelatedTopicsIviScopeVITreeIviScopePropertiesIviScopebehaviormodel
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IviScopeBaseCapabilityGroupTheIviScopeBasecapabilitygroupsupportsoscilloscopesthatcanacquirewaveformsfrommultiplechannelswithanedgetrigger.TheIviScopeBasecapabilitygroupdefinespropertiesandtheirvaluestoconfiguretheoscilloscope'schannel,acquisition,andtriggersub-systems.TheIviScopeBasecapabilitygroupalsoincludesVIsforconfiguringtheoscilloscopeaswellasinitiatingwaveformacquisitionandretrievingwaveforms.ScrolldowntoseeallbaseVIsandproperties.IVIInherentVIsIVIInherentPropertiesIviScopebehaviormodel
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IviScopeSub-SystemsChannelSub-SystemAcquisitionSub-SystemTriggerSub-System
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IviScopeBaseVIsIviScopeConfigureAcquisitionTypeIviScopeConfigureChannelIviScopeConfigureChannelCharacteristicsIviScopeConfigureAcquisitionRecordIviScopeActualRecordLengthIviScopeConfigureTriggerIviScopeConfigureTriggerCouplingIviScopeConfigureEdgeTriggerSourceIviScopeReadWaveformIviScopeAbortIviScopeInitiateAcquisitionIviScopeAcquisitionStatusIviScopeFetchWaveformIviScopeIsInvalidWaveformElementIviScopeActualSampleRate
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IviScopeBasePropertiesIviScopeAcquisitionStartTimeIviScopeAcquisitionTypeIviScopeChannelEnabledIviScopeHorizontalMinimumNumberofPointsIviScopeHorizontalRecordLengthIviScopeHorizontalSampleRateIviScopeHorizontalTimePerRecordIviScopeInputImpedanceIviScopeMaximumInputFrequencyIviScopeProbeAttenuationIviScopeTriggerCouplingIviScopeTriggerHoldoffIviScopeTriggerLevelIviScopeTriggerSlopeIviScopeTriggerSourceIviScopeTriggerTypeIviScopeVerticalCouplingIviScopeVerticalOffsetIviScopeVerticalRangeRelatedTopicsIviScopeVITreeIviScopeProperties
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IviScopeBaseExtensionCapabilitySub-SystemsExpandthistopictoviewbasesub-systemcapabilitygroups.
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ChannelSub-SystemThechannelsub-systemconfigurestherangeofvoltagestheoscilloscopeacquiresandhowtheoscilloscopecouplestheinputsignaltotheacquisitionsub-system.Themainchannelsub-systempropertiesinclude:
IviScopeVerticalRangeIviScopeVerticalOffsetIviScopeVerticalCouplingIviScopeProbeAttenuationIviScopeChannelEnabled
Allofthechannelsub-systempropertiesarechannel-based.TheycanbesetindividuallyortheycanbesetasagroupwiththeIviScopeConfigureChannelVI.
ChannelSub-SystemPropertiesTheIviScopeVerticalRangepropertyspecifiestheabsolutevalueoftherangeofvoltagesthattheoscilloscopeacquires.TheIviScopeVerticalOffsetpropertyspecifiesthecenteroftherangespecifiedbytheIviScopeVerticalRangepropertywithrespecttoground.TheIviScopeVerticalCouplingpropertyspecifieshowtocoupletheinputsignaltothechannelsub-system.TheIviScopeProbeAttenuationpropertyspecifiesthescalingfactorbywhichtheprobeattenuatestheinputsignal.Typically,thevalueoftheIviScopeProbeAttenuationpropertydeterminestherangevaluesthedriveracceptsfortheIviScopeVerticalRangeandIviScopeVerticalOffsetproperties.TheIviScopeChannelEnabledpropertyspecifieswhethertheoscilloscopeacquiresawaveformforthechannel.
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TriggerSub-SystemThetriggersub-systemconfiguresthetypeofeventthattriggerstheoscilloscope.Theglobaltriggersub-systempropertiesare:
IviScopeTriggerTypeIviScopeTriggerHoldoffIviScopeTriggerCoupling
TheIviScopeTriggerTypepropertyspecifiestheeventthattriggerstheoscilloscope.TheIviScopeTriggerHoldoffpropertyspecifiesthelengthoftimeaftertheoscilloscopedetectsatriggerduringwhichtheoscilloscopeignoresadditionaltriggers.TheIviScopeTriggerHoldoffpropertyonlyaffectsinstrumentoperationwhentheoscilloscoperequiresmultipleacquisitionstobuildacompletewaveform.Theoscilloscoperequiresmultiplewaveformacquisitionswhentheinstrumentusesequivalenttimesamplingortheacquisitiontypeissettoenvelopeoraverage.TheIviScopeTriggerCouplingpropertyspecifieshowtheoscilloscopecouplesthetriggersourcesignaltothetriggersub-system.ThepropertiesfromtheabovelistcanbesetindividuallyortheycanbesetasagroupwiththeIviScopeConfigureTriggerandIviScopeConfigureTriggerCouplingVIs.Thefollowingpropertiesconfiguretheedgetrigger.ThesepropertiescanbesetindividuallyorasagroupwiththeIviScopeConfigureEdgeTriggerSourceVI.
IviScopeTriggerSourceIviScopeTriggerLevelIviScopeTriggerSlope
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EdgeTriggersTheIviScopeTriggerSourcepropertyspecifiesthesourcetheoscilloscopemonitorsforthetriggerevent.TheIviScopeTriggerLevelpropertyspecifiesthevoltagethresholdforthetriggersub-system.MostofthetriggertypesusethevalueheldintheIviScopeTriggerLevelproperty.TheIviScopeTriggerSlopepropertyspecifieswhetherapositiveornegativeedgetriggerstheoscilloscope.Whenthetriggertypeisedge,thevaluesheldintheIviScopeTriggerLevelandIviScopeTriggerSlopepropertiesdefinethetriggerevent.TheoscilloscopetriggerswhenthetriggersourcecrossesthethresholdlevelwiththepolaritytheIviScopeTriggerLevelandIVISCOPE_ATTR_TRIGGER_SLOPEpropertiesspecify.
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TriggeringOverviewThefollowingfigureillustratestherelationshipoftheTriggereventandtheacqStartTimeparametertothedatatheoscilloscopeacquiresinthewaveformrecord.Forthisillustration,thetriggertypeisanedgetriggerandthetriggersourceisaseriesofpulses.Itisimportanttonotethatthetriggersourcecanbeananalogordigitalsignalandthetriggertypecanbeanytriggertypethatthisclassdriverdefines.
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HoldoffOverviewThefollowingfigureshowshowtheholdoffeffectsthetriggersub-system.Ideallythetriggereventoccursatcondition'1',butsometimestheoscilloscopetriggersoncondition'2'becausethesignalcrossesthetriggerlevel.Whenyouspecifyaholdoff,theoscilloscopetriggersonconditions'1'and'3',andignoresconditions'2'and'4'.
ThisIviScopeBaseCapabilitygroupdefinesVIsthatretrievewaveformsfromtheoscilloscope.TheseVIsreturnthefollowinginformation:
Thewaveformrecordasanarrayofvoltage.ThetimethatcorrespondstothefirstpointinthewaveformarrayrelativetotheTriggerEven.Theeffectivetimeintervalbetweenpointsinthewaveformrecord
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AcquisitionSub-SystemTheacquisitionsub-systemconfiguresthesizeofthewaveformrecord,thelengthoftimethatcorrespondstotheoverallwaveformrecord,andtheacquisitionstarttime.Theconfigurableacquisitionsub-systempropertiesinclude:
IviScopeAcquisitionStartTimeIviScopeHorizontalMinimumNumberofPointsIviScopeHorizontalTimePerRecord
YouspecifytheminimumnumberofpointstheyrequiretheoscilloscopetoacquirewiththeIviScopeHorizontalMinimumNumberofPointsproperty.TheIviScopeHorizontalTimePerRecordpropertyspecifiesthelengthoftimethatcorrespondstotheoverallwaveformrecord.YouspecifythelengthoftimefromthetriggereventtothefirstpointinthewaveformrecordwiththeIviScopeAcquisitionStartTime.Ifthevalueispositive,thefirstpointinthewaveformrecordoccursafterthetriggerevent.AlloftheacquisitionpropertiescanbesetindividuallyortheycanbesetasagroupwiththeIviScopeConfigureAcquisitionRecordVI.Inaddition,theacquisitionsub-systemincludestworead-onlyproperties:
IviScopeHorizontalRecordLengthIviScopeHorizontalSampleRate
TheIviScopeHorizontalRecordLengthpropertyreturnstheactualnumberofpointsinthewaveformrecord.TheIviScopeHorizontalSampleRatepropertyreturnstheeffectivesamplerateoftheoscilloscope.TheIviScopeclassdriverdefinesseparatepropertiesfortheminimumrecordsizeyourequestandtheactualrecordlength.Typically,oscilloscopeschangetherecordlengthdynamicallywhentheacquisitiontypechanges.Forexample,whenyouchangetheacquisitiontypefromnormaltoenvelope,manyoscilloscopesreducetherecordlengthbyhalf.Whenyouchangetheacquisitiontype,theinstrumentdriverusesthevalueheldintheIviScopeHorizontalMinimumNumberofPointspropertytocheckthatthenewrecordlengthisequaltoorgreaterthantheminimumrecordlengthyourequire.
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IviScopeContinuousAcquisitionExtensionGroupTheIviScopeContinuousAcquisitionextensiongroupgroupprovidessupportforoscilloscopesthatcanperformacontinuousacquisition.
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IviScopeContinuousAcquisitionVIIviScopeConfigureInitiateContinuous[CA]
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IviScopeContinuousAcquisitionPropertyIviScopeInitiateContinuousRelatedTopicsIviScopeVITreeIviScopePropertiesIviScopebehaviormodelIviScopeContinuousAcquisitionbehaviormodel
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IviScopeGlitchTriggerExtensionGroupInadditiontothebasecapabilities,theIviScopeGlitchTriggerextensiongroupdefinesextensionsforoscilloscopesthatcantriggeronglitchpulses.Aglitchoccurswhentheoscilloscopedetectsapulsewidththatislessthanorgreaterthanaspecifiedglitchtime.Thefigurebelowshowsbothpositiveandnegativeglitches,bothlessthanandgreaterthanaspecifiedglitchtime.
GlitchTriggersWiththeIviScopeGlitchTriggerextensiongroupyoucanselectwhetherapositiveglitch,negativeglitch,oreithertriggerstheacquisition.Youcanalsoselecttheglitchcondition—whetheryouwanttheoscilloscopetotriggeronpulseslessthanorgreaterthanthespecifiedglitchwidth.
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IviScopeGlitchTriggerVIsIviScopeConfigureGlitchTriggerSource
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IviScopeGlitchTriggerPropertiesIviScopeGlitchCondition[GT]IviScopeGlitchPolarity[GT]IviScopeGlitchWidth[GT]RelatedTopicsIviScopeVITreeIviScopePropertiesIviScopebehaviormodel
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IviScopeInterpolationExtensionGroupTheIviScopeInterpolationextensiongroupdefinesextensionsforoscilloscopescapableofinterpolatingvaluesinthewaveformrecordthattheoscilloscope'sacquisitionsubsystemwasunabletodigitize.
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IviScopeInterpolationVIIviScopeConfigureInterpolation[I]
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IviScopeInterpolationPropertyIviScopeInterpolationRelatedTopicsIviScopeVITreeIviScopePropertiesIviScopebehaviormodel
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IviScopeMinMaxWaveformExtensionGroupTheIviScopeMinMaxWaveformextensiongroupprovidessupportforoscilloscopesthatcanacquireminimumandmaximumwaveformsthatcorrespondtothesamerangeoftime.Thetwomostcommonacquisitiontypesinwhichoscilloscopesreturnminimumandmaximumwaveformsareenvelopeandpeakdetect.
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IviScopeMinMaxWaveformVIsIviScopeReadMinMaxWaveformIviScopeConfigureNumberofEnvelopesIviScopeFetchMinMaxWaveform
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IviScopeMinMaxWaveformPropertyIviScopeNumberofEnvelopes[MmW]RelatedTopicsIviScopeVITreeIviScopePropertiesIviScopebehaviormodel
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IviScopeProbeAutoSenseExtensionGroupTheIviScopeProbeAutoSenseextensiongroupprovidessupportforoscilloscopesthatcansenseandreturntheprobeattenuationoftheattachedprobe.
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IviScopeProbeAutoSenseVIIviScopeAutoProbeSenseValue
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IviScopeProbeAutoSensePropertyIviScopeProbeSenseValueRelatedTopicsIviScopeVITreeIviScopePropertiesIviScopebehaviormodel
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IviScopeRuntTriggerExtensionGroupInadditiontothebasecapabilities,theIviScopeRuntTriggerextensiongroupdefinesextensionsforoscilloscopeswiththecapabilitytotriggeronruntpulses.Aruntconditionoccurswhentheoscilloscopedetectsapositiveornegativegoingpulsethatcrossesonevoltagethresholdbutfailstocrossasecondthresholdbeforere-crossingthefirst.Thefigurebelowshowsbothpositiveandnegativeruntpolarities.
RuntTriggersWiththeIviScopeRuntTriggerextensiongroupyoucanselectwhetherapositiverunt,negativerunt,oreithertriggerstheacquisition.
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IviScopeRuntTriggerVIsIviScopeConfigureRuntTriggerSource
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IviScopeRuntTriggerPropertiesIviScopeRuntHighThreshold[RT]IviScopeRuntLowThreshold[RT]IviScopeRuntPolarity[RT]RelatedTopicsIviScopeVITreeIviScopePropertiesIviScopebehaviormodel
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IviScopeSampleModeExtensionGroupTheIviScopeSampleModeextensiongroupprovidessupportforoscilloscopesthatcanreturnwhethertheyareusingequivalent-timeorreal-timesamplingtoacquirewaveforms.
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IviScopeSampleModeVIIviScopeActualSampleModeRelatedTopicsIviScopeVITreeIviScopePropertiesIviScopeBehaviorModel
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IviScopeTriggerModifierExtensionGroupTheIviScopeTriggerModifierextensiongroupprovidessupportforoscilloscopesthatcanspecifythebehaviorofthetriggeringsubsystemintheabsenceoftheconfiguredtrigger.
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IviScopeTriggerModifierVIIviScopeConfigureTriggerModifier
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IviScopeTriggerModifierPropertyIviScopeTriggerModifier[TM]RelatedTopicsIviScopeVITreeIviScopePropertiesIviScopebehaviormodel
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IviScopeTVTriggerExtensionGroupInadditiontothebasecapabilities,theIviScopeTVTriggerextensiongroupdefinesextensionsforoscilloscopescapableoftriggeringonstandardTVsignals.
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IviScopeTVTriggerVIsIviScopeConfigureTVTriggerSourceIviScopeConfigureTVTriggerLineNumber
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IviScopeTVTriggerPropertiesIviScopeTVTriggerEventIviScopeTVTriggerLineNumber[TV]IviScopeTVTriggerPolarity[TV]IviScopeTVTriggerSignalFormat[TV]RelatedTopicsIviScopeVITreeIviScopePropertiesIviScopebehaviormodel
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IviScopeWaveformMeasurementExtensionGroupOverviewTheIviScopeWaveformMeasurementextensiongroupdefinesextensionsforoscilloscopescapableofcalculatingvariousmeasurementssuchasrise-time,fall-time,period,andfrequencyfromanacquiredwaveform.
NoteInthefollowingtable,theliteralstringIVISCOPE_VAL_precedesthemeasurementname.
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WaveformMeasurementDescriptionsMeasurementName Description
RISE_TIME Thelengthoftimeforthefirstrisingedgeofthesignaltorisefromthelowreferenceleveltothehighreferencelevel.
FALL_TIME Thelengthoftimeforthefirstfallingedgeofthesignaltofallfromthehighreferenceleveltothelowreferencelevel.
FREQUENCY Thefrequencyofonecompletecycleinthewaveform.
PERIOD Thelengthoftimeofonecompletecycleinthewaveform.
VOLTAGE_RMS ThetrueRootMeanSquarevoltageoftheentirewaveform.
VOLTAGE_CYCLE_RMS ThetrueRootMeanSquarevoltageoverthefirstcycleinthewaveform.
VOLTAGE_MAX Themaximumamplitudefoundintheentirewaveform.
VOLTAGE_MIN Theminimumamplitudefoundintheentirewaveform.
VOLTAGE_PEAK_TO_PEAK TheabsolutedifferencebetweentheVOLTAGE_MAXandtheVOLTAGE_MINinvolts.
VOLTAGE_HIGH Thevoltagethatcorrespondsto100%whenusingthereferencelevels.Theoscilloscopecalculatesthisvalueusingeitherthemin/maxorhistogrammethods.Themin/maxmethodusesthemaximumvaluefound.Thehistogrammethodusesthemostcommonvaluefoundabovethemiddleofthewaveform.
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VOLTAGE_LOW Thevoltagethatcorrespondsto0%whenusingthereferencelevels.Theoscilloscopecalculatesthisvalueusingeitherthemin/maxorhistogrammethods.Themin/maxmethodusestheminimumvaluefound.Thehistogrammethodusesthemostcommonvaluefoundbelowthemiddleofthewaveform.
VOLTAGE_AVERAGE Thearithmeticaverageinvoltsmeasuredovertheentirewaveform.
VOLTAGE_CYCLE_AVERAGE Thearithmeticaverageinvoltsoverthefirstcycleinthewaveform.
WIDTH_NEG Thelengthoftimebetweenthemidreferencelevelpointsofthefirstnegativepulseinthewaveform.
WIDTH_POS Thelengthoftimebetweenthemidreferencelevelpointsofthefirstpositivepulseinthewaveform.
DUTY_CYCLE_NEG TheratiooftheWIDTH_NEGtothePERIODofthefirstcycleinthewaveformexpressedasapercentage.
DUTY_CYCLE_POS TheratiooftheWIDTH_POSwidthtothePERIODofthefirstcycleinthewaveformexpressedasapercentage.
AMPLITUDE TheVOLTAGE_HIGHlesstheVOLTAGE_LOWinvoltsovertheentirewaveform.AMPLITUDE=VOLTAGE_HIGH-VOLTAGE_LOW
OVERSHOOT Therelativewaveformdistortionwhichfollowsanedgetransition.Itiscalculatedusingthefollowing
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formula:fortherisingedge:
wherethelocalmaximumisthemaximumvoltageofthesignalinthefirsthalfofthetimeperiodthatcommenceswhentherisingedgecrossesthehighreferencelevelandconcludeswhenthesubsequentfallingedgecrossesthehighreferencelevel.forthefallingedge:wherethelocalminimumistheminimumvalueofthesignalmeasuredinthefirsthalfofthetimeperiodthatcommenceswhenthefallingedgecrossesthelowreferencelevelandconcludeswhenthesubsequentrisingedgecrossesthelowreferencelevel.
Theinstrumentmakesthemeasurementontheedgeclosesttothebeginningofthewaveformrecord.Theunitsarethepercentageofthesignalamplitude.
PRESHOOT Therelativewaveformdistortionwhichprecedesanedgetransition.Itiscalculatedusingthefollowingformula:
fortherisingedge:
wherethelocalminimumis
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theminimumvalueofthesignalmeasuredinthesecondhalfofthetimeperiodthatcommenceswhentheprecedingfallingedgecrossesthelowreferencelevelandconcludeswhentherisingedgecrossesthelowreferencelevel.forthefallingedge:
wherethelocalmaximumisthemaximumvoltageofthesignalinthesecondhalfofthetimeperiodthatcommenceswhentheprecedingrisingedgecrossesthehighreferencelevelandconcludeswhenthefallingedgecrossesthehighreferencelevel.
Theinstrumentmakesthemeasurementontheedgeclosesttothebeginningofthewaveformrecord.Theunitsarethepercentageofthesignalamplitude.
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IviScopeWaveformMeasurementExtensionGroupTheIviScopeWaveformMeasurementextensiongroupdefinesasetofwaveformmeasurementdescriptions.Refertothebehaviormodelforthisextensiongroup.
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IviScopeWaveformMeasurementVIsIviScopeConfigureReferenceLevelsIviScopeReadWaveformMeasurementIviScopeFetchWaveformMeasurement
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IviScopeMeasWaveformPropertiesIviScopeMeasurementHighReference[WM]IviScopeMeasurementLowReference[WM]IviScopeMeasurementMidReference[WM]RelatedTopicsIviScopeVITreeIviScopeProperties
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IviScopeWidthTriggerExtensionGroupThisgroupallowsyoutosetwidthtriggering.
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IviScopeWidthTriggerVIIviScopeConfigureWidthTriggerSource
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IviScopeWidthTriggerPropertiesIviScopeWidthCondition[WT]IviScopeWidthHighThreshold[WT]IviScopeWidthLowThreshold[WT]IviScopeWidthPolarity[WT]RelatedTopicsIviScopeVITreeIviScopePropertiesIviScopebehaviormodel
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IviScopeWidthTriggerExtensionGroupOverviewInadditiontothebasecapabilities,theIviScopeWidthTriggerextensiongroupdefinesextensionsforoscilloscopescapableoftriggeringonuser-specifiedpulsewidths.Widthtriggeringoccurswhentheoscilloscopedetectsapositiveornegativepulsewithawidthwithin,oroptionallyoutside,thresholdsspecifiedbyyou.Thefigurebelowshowspositiveandnegativepulsesthatfallwithinthethresholdsspecifiedbyyou.
WidthTriggersWithintheThresholdsThefigurebelowshowspositiveandnegativepulsesthatarenotwithintheuser-specifiedthresholds.
WidthTriggersOutsidetheThresholds
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IviScopeBehaviorModelsIviScopeContinuousAcquisition
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IviScopeBehaviorModelThefollowingstatediagramshowsrelationshipsbetweentheIviScopeBasecapabilitygroupandoscilloscopebehavior.
IviScopeBehaviorModelNoteThefollowingextensiongroupsfollowtheIviScopebehaviormodel:IviScopeTVTrigger,IviScopeRuntTrigger,IviScopeGlitchTrigger,IviScopeWidthTrigger,IviScopeWaveformMeasurement,IviScopeProbeAutoSense,IviScopeSampleMode,IviScopeAcLineTrigger,IviScopeInterpolation,IviScopeAverageAcquisition,IviScopeTriggerModifier,IviScopeAutoSetup,andIviScopeMinMaxWaveform.
Typically,youconfiguretheoscilloscopewhileitisintheIdlestate.YoucanconfiguretheoscilloscopebyaccessingtheIviScopepropertiesindividuallyorbycallingthehigh-levelConfigureChannel,ConfigureAcquisitionRecord,ConfigureTrigger,andConfigureEdgeTriggerSourceVIs.Toacquirewaveforms,theIviScopeclassdriverpresentsthehigh-levelReadWaveformVI,aswellasthelow-levelVIsInitiateAcquisition,AcquisitionComplete,FetchWaveform,andAbort.TheReadWaveformVIinitiatesawaveformacquisitionandreturnstheacquiredwaveformaftertheoscilloscopehasreturnedtotheIdlestate.TheInitiateAcquisition,FetchWaveform,andAbortVIsgiveyoulow-levelcontroloverthemeasurementprocess.InitiateAcquisitionVI
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initiatesawaveformacquisitionandmovestheinstrumentintotheWait-For-Triggerstate.Youconfigurethetypeoftriggerwiththetriggersub-systempropertiesorwiththeConfigureTriggerandConfigureEdgeTriggerSourceVIs.Afterthetriggereventoccurs,theoscilloscopeacquiresawaveformbasedonthechannelandacquisitionsub-systemproperties.Iftheoscilloscopewasabletofillallofthepointsinthewaveforminreal-timeitthenreturnstotheIdlestate.However,iftheoscilloscopemustacquiremultiplewaveformsinequivalent-timesamplingtobuildupthewaveformrecord,itthenmovestotheWait-For-Holdoffstate.TheoscilloscopethenwaitsconfigurableamountoftimebeforemovingtotheWait-For-Triggerstate.Afterenoughwaveformshavebeenacquiredtofillthewaveformrecord,theoscilloscopereturnstotheIdlestate.YoucanusetheAcquisitionStatusVItodetermineiftheacquisitioniscompleteorisstillinprogress.YoucanusetheFetchWaveformVItoreturnawaveformfromapreviouslyinitiatedacquisition.TheReadWaveformandFetchWaveformVIshavethefollowingoutputs:
AwaveformarrayThetimeofthefirstpointinthewaveformarrayrelativetothetriggereventTheeffectivetimeintervalbetweenpointsinthearray
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IviScopeContinuousAcquisitionBehaviorModelThefollowingbehaviordiagramshowsrelationshipsbetweenIviScopeContinuousAcquisitioncapabilitiesandoscilloscopebehavior.
IviScopeContinuousAcquisitionBehaviorModelTheIviScopeContinuousAcquisitionextensiongroupaddsthepropertythatcontrolswhethertheinstrumentoperatesinasingle-shotmodeoritacquiresthedatacontinuously.Aftertheoscilloscopecompletesanacquisition,iftheIviScopeInitiateContinuous[CA]propertyissettoTRUE,theinstrumentgoestotheWait-for-TriggerstateinsteadofreturningtotheIdlestate.IntheWait-for-Triggerstate,theoscilloscopedisplayupdatescontinuously.ThisspecificationdoesnotdefinethebehaviorofthereadandfetchVIswhenthispropertyissettoTRUE.ThebehavioroftheseVIsisinstrumentspecific.
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IviScopeVITreeTheVItreefortheIviScopeclassdriver,includingIVIandVXIplug&playrequiredVIs,isshownbelow.
NoteYouusetheLabVIEWPropertyNodetogetandsetproperties.
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IviScopeVITreeNameorClass VIName RequiredBy
Initialize IviScopeInitialize VPP
InitializewithOptions
IviScopeInitializeWithOptions
IVI
Configuration
AutoSetup[AS] IviScopeAutoSetup
IviScopeAutoSetup
AcquisitionSubsystem
ConfigureAcquisitionType
IviScopeConfigureAcquisitionType
IviScope
ConfigureAcquisitionRecord
IviScopeConfigureAcquisitionRecord
IviScope
ConfigureNumberofAverages
IviScopeConfigureNumberofAverages
IviScopeAverageAcquisition
ConfigureNumberofEnvelopes[MnW]
IviScopeConfigureNumberofEnvelopes
IviScopeMinMaxWaveform
ConfigureInterpolation[I]
IviScopeConfigureInterpolation
IviScopeInterpolation
ConfigureInitiateContinuous[CA]
IviScopeConfigureInitiateContinuous
IviScopeContinuousAcquisition
Channel
ConfigureChannel
IviScopeConfigureChannel
IviScope
Configure IviScopeConfigure IviScope
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ChannelCharacteristics
ChannelCharacteristics
Trigger
ConfigureTrigger IviScopeConfigureTrigger
IviScope
ConfigureTriggerCoupling
IviScopeConfigureTriggerCoupling
IviScope
ConfigureTriggerModifier[TM]
IviScopeConfigureTriggerModifier
IviScopeTriggerModifier
ConfigureEdgeTriggerSource
IviScopeConfigureEdgeTriggerSource
IviScope
ConfigureTVTriggerSource[TV]
IviScopeConfigureTVTriggerSource
IviScopeTVTrigger
ConfigureTVTriggerLineNumber[TV]
IviScopeConfigureTVTriggerLineNumber
IviScopeTVTrigger
ConfigureRuntTriggerSource[RT]
IviScopeConfigureRuntTriggerSource
IviScopeRuntTrigger
ConfigureGlitchTriggerSource[GT]
IviScopeConfigureGlitchTriggerSource
IviScopeGlitchTrigger
ConfigureWidthTriggerSource[WT]
IviScopeConfigureWidthTriggerSource
IviScopeWidthTrigger
ConfigureACLineTriggerSlope[AT]
IviScopeConfigureACLineTriggerSlope
IviScopeAcLineTrigger
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Measurement
ConfigureReferenceLevels
IviScopeConfigureReferenceLevels
IviScopeWaveformMeas
ConfigurationInformation
ActualRecordLength
IviScopeActualRecordLength
IviScope
AutoProbeSenseValue[PAS]
IviScopeAutoProbeSenseValue
IviScopeProbeAutoSense
ActualSampleMode[SM]
IviScopeActualSampleMode
IviScopeSampleMode
ActualSampleRate
IviScopeSampleRate
IviScope
WaveformAcquisition
ReadWaveform IviScopeReadWaveform
IviScope
ReadMin/MaxWaveform
IviScopeReadMinMaxWaveform
IviScopeMinMaxWaveform
ReadWaveformMeasurement
IviScopeReadWaveformMeasurement
IviScopeWaveformMeas
Low-LevelAcquisition
Abort IviScopeAbort IviScope
AcquisitionStatus IviScopeAcquisitionStatus
IviScope
FetchMin/MaxWaveform[MmW]
IviScopeFetchMinMaxWaveform
MinMaxWaveform
FetchWaveform IviScopeFetch IviScope
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Waveform
FetchWaveformMeasurement[WM]
IviScopeFetchWaveformMeasurement
IviScopeWaveformMeas
InitiateAcquisition
IviScopeInitiateAcquisition
IviScope
Utility
Reset IviScopeReset VPP
ResetWithDefaults
ResetWithDefaults
VPP
Self-Test IviScopeSelf-Test VPP
Disable Disable VPP
InvalidateAllAttributes
InvalidateAllAttributes
VPP
RevisionQuery IviScopeRevisionQuery
VPP
Error-Query IviScopeError-Query
VPP
ErrorMessage IviScopeErrorMessage
VPP
GetChannelName
GetChannelName VPP
IsInvalidWaveformElement
IviScopeIsInvalidWaveformElement
IviScope
InterchangeabilityInfo
GetNextInterchange
IviScopeGetNextInterchangeWarning
IVI
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Warning
ResetInterchangeCheck
IviScopeResetInterchangeCheck
IVI
ClearInterchangeWarnings
IviScopeClearInterchangeWarnings
IVI
CoercionInfo
GetNextCoercionRecord
IviScopeGetNextCoercionRecord
IVI
Close IviScopeClose VPP
RelatedTopicsIviScopePropertiesIVIInherentClassCapabilities
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IviScopePropertiesNoteYouusetheLabVIEWPropertyNodetogetandsetproperties.
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IviScopeBasePropertiesIviScopeAcquisitionStartTimeIviScopeAcquisitionTypeIviScopeChannelEnabledIviScopeHorizontalMinimumNumberofPointsIviScopeHorizontalRecordLengthIviScopeHorizontalSampleRateIviScopeHorizontalTimePerRecordIviScopeInputImpedanceIviScopeMaximumInputFrequencyIviScopeProbeAttenuationIviScopeTriggerCouplingIviScopeTriggerHoldoffIviScopeTriggerLevelIviScopeTriggerSlopeIviScopeTriggerSourceIviScopeTriggerTypeIviScopeVerticalCouplingIviScopeVerticalOffsetIviScopeVerticalRange
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IviScopeInterpolationIviScopeInterpolation
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IviScopeTVTriggerPropertiesIviScopeTVTriggerEventIviScopeTVTriggerLineNumber[TV]IviScopeTVTriggerPolarity[TV]IviScopeTVTriggerSignalFormat[TV]
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IviScopeRuntTriggerPropertiesIviScopeRuntHighThreshold[RT]IviScopeRuntLowThreshold[RT]IviScopeRuntPolarity[RT]
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IviScopeGlitchTriggerPropertiesIviScopeGlitchCondition[GT]IviScopeGlitchPolarity[GT]IviScopeGlitchWidth[GT]
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IviScopeWidthTriggerPropertiesIviScopeWidthCondition[WT]IviScopeWidthHighThreshold[WT]IviScopeWidthLowThreshold[WT]IviScopeWidthPolarity[WT]
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IviScopeAcLineTriggerPropertiesIviScopeACLineTriggerSlope
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IviScopeMeasWaveformPropertiesIviScopeMeasurementHighReference[WM]IviScopeMeasurementLowReference[WM]IviScopeMeasurementMidReference[WM]
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IviScopeMinMaxWaveformPropertiesIviScopeNumberofEnvelopes[MM]IviScopeProbeSenseValue
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IviScopeContinuousAcquisitionIviScopeInitiateContinuous
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IviScopeAverageAcquisitionIviScopeNumberofAverages
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IviScopeSampleModeIviScopeSampleMode
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IviScopeTriggerModifierPropertiesIviScopeTriggerModifier
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IviScopePropertyValueDefinitionsThefollowingtabledefinesthevalueforeachpropertyconstantintheIviScopeclassdriver.
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IviScopePropertyDefinedValues
Property ValueName DefinedValue Description
VERTICALCOUPLING
AC 0 TheoscilloscopeACcouplestheinputsignal.
DC 1 TheoscilloscopeDCcouplestheinputsignal.
GND 2 Theoscilloscopegroundcouplestheinputsignal.
PROBEATTENUATION
ProbeSenseOn
–1 SettingthispropertytoIVISCOPE_VAL_PROBE_SENSE_ONconfigurestheoscilloscopetosensetheattenuationoftheprobeautomatically.Afteryouenabletheautomaticprobesense,subsequentqueriesofthispropertyreturnthevalueIVISCOPE_VAL_PROBE_SENSE_ONUsetheIviScopeProbeSenseValuepropertytoobtaintheactualprobeattenuation.Ifyousettheoscilloscopetosensetheprobeattenuationautomatically,theprobeattenuationvaluecanchangeatanytime.Whentheoscilloscopedetectsanewprobeattenuationvalue,othersettingsintheoscilloscopemightalsochange.Thedriverhasnowayofknowingwhenthesechangesoccur.Therefore,whenyouenabletheautomaticprobesensecapability,thedriverdisablescachingforpropertiesthatdependontheprobeattenuation.ThesepropertiesincludeIviScopeVerticalRange,IviScopeVerticalOffset,andallthepropertiesthatconfiguretriggerlevels.Tomaximize
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performance,youshouldsetthispropertytoamanualprobeattenuationsetting.Iftheoscilloscopeissettosensetheprobeattenuationautomatically,settingthispropertytoapositivevaluedisablestheautomaticprobesenseandconfigurestheoscilloscopetousethemanualprobeattenuationyouspecify.
TRIGGERTYPE Edge 1 Configurestheoscilloscopeforedgetriggering.AnedgetriggeroccurswhenthetriggersignalpassesthroughthevoltagethresholdspecifiedbytheIviScopeTriggerLevelhastheslopespecifiedbytheTriggerSlopeproperty.
Width 2 Configurestheoscilloscopeforwidthtriggering.Awidthtriggeroccurswhentheoscilloscopedetectsapositiveornegativepulsewithawidthbetween,oroptionallyoutside,thewidththresholds.YouspecifythewidththresholdswiththeIviScopeWidthHighThresholdandIviScopeWidthLowThresholdproperties.YouspecifywhethertheoscilloscopetriggersonpulsewidthsthatarewithinoroutsidethewidththresholdswiththeIviScopeWidthConditionproperty.YouspecifythepolarityofthepulsewiththeIviScopeWidthPolarityproperty.Thetriggerdoesnotactuallyoccuruntiltheedgeofapulsethatcorrespondstothewidththresholds,widthcondition,andpolarityyouspecifycrossesthetriggerlevelthatyouspecifywiththeIviScope
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TriggerLevelproperty.Runt 3 Configurestheoscilloscopeforrunt
triggering.Arunttriggeroccurswhenthetriggersignalcrossesoneoftheruntthresholdstwicewithoutcrossingtheotherruntthreshold.YouspecifytheruntthresholdswiththeRuntHighThresholdandRuntLowThresholdproperties.YouspecifythepolarityoftheruntwiththeIviScopeRuntPolarity
Glitch 4 4TV 5 Configurestheoscilloscopetotrigger
onTVsignals.TheuserconfiguresthetriggerwiththeIviScopeTVTriggerSignalFormat,IviScopeTVTriggerLineNumber,andIviScopeTVTriggerPolarity,properties.
Immediate 6 Theoscilloscopedoesnotwaitforatriggerofanykind.
ACLine 7 TheoscilloscopewaitsforatriggerontheACline.
TRIGGERSLOPE Positive 1 Apositive(rising)edgepassingthroughthetriggerleveltriggerstheoscilloscope.
Negative 0 Anegative(falling)edgepassingthroughthetriggerleveltriggerstheoscilloscope.
TRIGGERSOURCE
External "VAL_EXTERNAL" Theoscilloscopewaitsforatriggerontheexternaltrigger.
PXITRIG0orVXITTL0
"VAL_TTL0" TheoscilloscopewaitsuntilitreceivesatriggerontheTLL0line.
PXITRIG1orVXITTL1
"VAL_TTL1" TheoscilloscopewaitsuntilitreceivesatriggerontheTLL1line.
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PXITRIG2orVXITTL2
"VAL_TTL2" TheoscilloscopewaitsuntilitreceivesatriggerontheTLL2line.
PXITRIG3orVXITTL3
"VAL_TTL3" TheoscilloscopewaitsuntilitreceivesatriggerontheTLL3line.
PXITRIG4orVXITTL4
"VAL_TTL4" TheoscilloscopewaitsuntilitreceivesatriggerontheTLL4line.
PXITRIG5orVXITTL5
"VAL_TTL5" TheoscilloscopewaitsuntilitreceivesatriggerontheTLL5line.
PXITRIG6orVXITTL6
"VAL_TTL6" TheoscilloscopewaitsuntilitreceivesatriggerontheTLL6line.
PXITRIG7orVXITTL7
"VAL_TTL7" TheoscilloscopewaitsuntilitreceivesatriggerontheTLL7line.
ECLO "VAL_ECL0" TheoscilloscopewaitsuntilitreceivesatriggerontheECL0line.
ECL1 "VAL_ECL1" TheoscilloscopewaitsuntilitreceivesatriggerontheECL1line.
PXIStar "VAL_PXI_STAR" TheoscilloscopewaitsuntilitreceivesatriggeronthePXIStarbus.
RTSI0 "VAL_RTSI_0" TheoscilloscopewaitsuntilitreceivesatriggerontheRTSI0line.
RTSI1 "VAL_RTSI_1" TheoscilloscopewaitsuntilitreceivesatriggerontheRTSI1line.
RTSI2 "VAL_RTSI_2" TheoscilloscopewaitsuntilitreceivesatriggerontheRTSI2line.
RTSI3 "VAL_RTSI_3" TheoscilloscopewaitsuntilitreceivesatriggerontheRTSI3line.
RTSI4 "VAL_RTSI_4" TheoscilloscopewaitsuntilitreceivesatriggerontheRTSI4line.
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RTSI5 "VAL_RTSI_5" TheoscilloscopewaitsuntilitreceivesatriggerontheRTSI5line.
RTSI6 "VAL_RTSI_6" TheoscilloscopewaitsuntilitreceivesatriggerontheRTSI6line.
TRIGGERCOUPLING
AC 0 TheoscilloscopeACcouplesthetriggersignal.
DC 1 TheoscilloscopeDCcouplesthetriggersignal.
HFReject 3 Theoscilloscoperejectshighfrequenciesfromthetriggersignal.
LFReject 4 Theoscilloscoperejectslowfrequenciesfromthetriggersignal.
NoiseReject 5 Theoscilloscoperejectsnoiseformthetriggersignal.
INTERPOLATION NoInterpolation
1 Theoscilloscopedoesnotinterpolatepointsinthewaveform.Instead,thedriversetseveryelementinthewaveformarrayforwhichtheoscilloscopecannotresolveavaluetoanIEEE-definedNaN(NotaNumber)value.
sin(x)/x 2 Theoscilloscopeusesasine(x)/xcalculationtointerpolateavaluewhenitcannotresolveavoltageinthewaveformrecord.
LinearIntrepolation
3 Theoscilloscopeusesalinearapproximationtointerpolateavaluewhenitcannotresolveavoltageinthewaveformrecord.
TVTRIGGERSIGNALFORMAT
NTSC 1 SetstheTVtriggersignalformattoNTSC.
PAL 2 SetstheTVtriggersignalformattoPAL.
SECAM 3 SetstheTVtriggersignalformatto
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SECAM.TVTRIGGEREVENT
Field1 1 Field1ofthevideosignal.
Field2 2 Field2ofthevideosignal.AnyField 3 Anyfieldofthevideosignal.AnyLine 4 Anylineofthevideosignal.LineNumber
5
TVTRIGGERPOLARITY
Positive 1 Positivevideosyncpulse.
Negative 1 Negativevideosyncpulse.RUNTPOLARITY
Positive 1 Theoscilloscopetriggersonapositiverunt.Apositiveruntoccurswhenarisingedgecrossesthelowruntthresholdanddoesnotcrossthehighruntthresholdbeforere-crossingthelowruntthreshold.
Negative 2 Theoscilloscopetriggersonanegativerunt.Anegativeruntoccurswhenafallingedgecrossesthehighruntthresholdanddoesnotcrossthelowruntthresholdbeforere-crossingthehighruntthreshold.
Either 3 Theoscilloscopetriggersoneitherapositiveornegativerunt.
GLITCHPOLARITY
Positive 1 Theoscilloscopetriggersonapositiveglitch.
Negative 2 Theoscilloscopetriggersonanegativeglitch.
Either 3 Theoscilloscopetriggersoneitherapositiveornegativeglitch.
GLITCHCONDITION
LessThan 1 Theoscilloscopetriggersonaless-thanglitch.
Greater 2 Theoscilloscopetriggersonagreater-
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Than thanglitch.WIDTHPOLARITY
Positive 1 ConfigurestheoscilloscopetotriggeronpositivepulsesthathaveawidththatmeetstheconditionyouspecifywiththeIviScopeWidthConditionproperty.
Negative 2 ConfigurestheoscilloscopetotriggeronnegativepulsesthathaveawidththatmeetstheconditionyouspecifywiththeIviScopeWidthConditionproperty.
WIDTHCONDITION
Within 1 Configurestheoscilloscopetotriggeronpulsesthathaveawidththatislessthanthehighthresholdandgreaterthanthelowthreshold.YouspecifythehighandlowthresholdswiththeIviScopeWidthHighThresholdandIviScopeWidthLowThresholdproperties.
Outside 2 Configurestheoscilloscopetotriggeronpulsesthathaveawidththatiseithergreaterthanthehighthresholdorlessthanalowthreshold.YouspecifythehighandlowthresholdswiththeIviScopeWidthHighThresholdandIviScopeWidthLowThresholdproperties.
ACLINETRIGGERSLOPE
Positive 1 Configurestheoscilloscopeonpositiveslopezerocrossingsofthenetworksupplyvoltage.
Negative 2 Configurestheoscilloscopetotriggeronnegativeslopezerocrossingsofthenetworksupplyvoltage.
Either 3 Configurestheoscilloscopetotriggeroneitherpositiveornegativeslopezerocrossingsofthenetworksupplyvoltage.
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ACQUISITIONTYPE
Normal 0 Configurestheoscilloscopetoacquireonesampleforeachpointinthewaveformrecord.Theoscilloscopeusesreal-timeorequivalenttimesampling.
PeakDetect 1 Setstheoscilloscopetothepeak-detectacquisitionmode.Theoscilloscopeoversamplestheinputsignalandkeepstheminimumandmaximumvaluesthatcorrespondtoeachpositioninthewaveformrecord.Theoscilloscopeusesonlyreal-timesampling.
HighResolution
2 ConfigurestheoscilloscopetooversampletheinputsignalTheoscilloscopecalculatestheaveragevaluethatcorrespondstoeachpositioninthewaveformrecord.Theoscilloscopeusesonlyreal-timesampling.
Envelope 3 Setstheoscilloscopetotheenvelopeacquisitionmode.Theoscilloscopeacquiresmultiplewaveformsandkeepstheminimumandmaximumvoltagesitacquiresforeachpointinthewaveformrecord.YouspecifythenumberofwaveformstheoscilloscopeacquireswiththeIviScopeNumberofEnvelopesproperty.Theoscilloscopecanusereal-timeorequivalent-timesampling.
Average 4 Configurestheoscilloscopetoacquiremultiplewaveformsandcalculatetheaveragevalueforeachpointinthewaveformrecord.YouspecifythenumberofwaveformstoacquirewiththeIviScopeNumberofAverages
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property.Theoscilloscopeusesreal-timeorequivalenttimesampling.
TRIGGERMODIFIER
NoTriggerModifier
1 Theoscilloscopewaitsuntilthetriggeryouspecifyoccurs.
Auto 2 Theoscilloscopeautomaticallytriggersiftheconfiguredtriggerdoesnotoccurwithintheoscilloscope'stimeoutperiod.
AutoLevel 3 Theoscilloscopeadjuststhetriggerlevelifthetriggeryouspecifydoesnotoccur.
SAMPLEMODE RealTime 0 Indicatesthattheoscilloscopeisusingreal-timesampling.
EquivalentTime
1 Indicatesthattheoscilloscopeisusingequivalenttimesampling.
RelatedTopicsIviScopeVITreeIviScopeProperties
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IviScopeErrorandWarningCodesStatusCodeRangesStatusCodeType NumericRange(inHex)IviScopeErrors 0xBFFA2001to0xBFFA2003IviScopeWarnings 0x3FFA2001to0xBFFA2004IVISpecificDriverErrors 0xBFFA4000to0xBFFA5FFFIVISpecificDriverWarnings 0x3FFA4000to0x3FFA5FFFIVIErrors BFFA0000toBFFA1FFFIVIWarnings 3FFA0000to3FFA1FFFCommonInstrumentDriverErrors BFFC0000toBFFCFFFFCommonInstrumentDriverWarnings 3FFC0000to3FFCFFFFVISAErrors BFFF0000toBFFFFFFFVISAWarnings 3FFF0000to3FFFFFFF
TheIviScopeclassdriverdefinesthefollowingerrorcodesinadditiontotheIVIdefinederrorcodes.
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IviScopeErrorCodesError ValueIVISCOPE_ERROR_CHANNEL_NOT_ENABLED 0xBFFA2001
IVISCOPE_ERROR_UNABLE_TO_PERFORM_MEASUREMENT 0xBFFA2002
IVISCOPE_ERROR_MAX_TIME_EXCEEDED 0xBFFA2003
IVISCOPE_ERROR_INVALID_ACQ_TYPE 0xBFFA2004
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IviScopeWarningCodeWarning Value MessageIVISCOPE_WARN_INVALID_WFM_ELEMENT 0x3FFA2001 Oneofthe
elementsinthewaveformarrayisinvalid.
RelatedTopicIVIStatusCodes
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IviScopeVIsExpandthisbooktoviewanalphabetizedlistofIviScopeVIs.
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IviScopeAbortIviScopeBaseCapabilityGroupThisVIabortsanacquisitionandreturnstheoscilloscopetotheIdlestate.YouinitiateanacquisitionwiththeIviScopeInitiateAcquisitionVI.
Notes
1. ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneorinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheIviScopeError-QueryVIattheconclusionofthesequence.
2. Iftheinstrumentcannotabortaninitiatedacquisition,thisVIreturnstheIVI_ERROR_FUNCTION_NOT_SUPPORTEDerror.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeAcquisitionStatusIviScopeBaseCapabilityGroupThisVIreturnswhetheranacquisitionisinprogress,complete,orifthestatusisunknown.
Notes
1. ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheIviScopeError-QueryVIattheconclusionofthesequence.
2. Iftheinstrumentcannotreturnitsacquisitionstatus,thisVIreturnstheIVISCOPE_VAL_ACQ_STATUS_UNKNOWNvalueintheAcquisitionStatusparameter.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.acquisitionstatusReturnstheacquisitionstatusoftheoscilloscope.Possiblevaluesthatthisparameterreturnsare:
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IVISCOPE_VAL_ACQ_IN_PROGRESS(0)—Theoscilloscopeiscurrentlyacquiringawaveform.IVISCOPE_VAL_ACQ_COMPLETE(1)—Theacquisitioniscomplete.IVISCOPE_VAL_ACQ_STATE_UNKNOWN(-1)—Thedrivercannotdeterminethestatusoftheacquisition.
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeActualRecordLengthIviScopeBaseCapabilityGroupThisVIreturnstheactualnumberofpointstheoscilloscopeacquiresforeachchannel.Afteryouconfiguretheoscilloscopeforanacquisition,callthisVItodeterminethesizeofthewaveformsthattheoscilloscopeacquires.ThevalueisgreaterthanorequaltotheminimumnumberofpointsyouspecifyintheIviScopeConfigureAcquisitionRecordVI.YoumustallocateaViReal64arrayofthissizeorgreatertopassastheWaveformArrayparameteroftheIviScopeReadWaveformandIviScopeFetchWaveformVIs.
NoteTheoscilloscopemayuserecordsofdifferentsizedependingontheacquisitiontype.YouspecifytheacquisitiontypewiththeIviScopeConfigureAcquisitionTypeVI.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.actualrecordlengthReturnstheactualnumberofpointstheoscilloscopeacquiresforeachchannel.ThedriverreturnsthevalueoftheIviScopeHorizontalRecordLengthproperty.erroroutTheerroroutclusterpasseserrororwarninginformation
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outofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeActualSampleModeIviScopeSampleModeCapabilityGroupThisVIreturnsthesamplemodetheoscilloscopeiscurrentlyusing.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.samplemodeReturnsthesamplemodetheoscilloscopeiscurrentlyusing.ThedriverreturnsthevalueoftheIviScopeSampleMode[SM]property.DefinedValues:IVISCOPE_VAL_REAL_TIME(0)—Indicatesthattheoscilloscopeisusingreal-timesampling.IVISCOPE_VAL_EQUIVALENT_TIME(1)—Indicatesthattheoscilloscopeisusingequivalent-timesampling.
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeActualSampleRateIviScopeBaseCapabilityGroupThisVIreturnstheeffectivesamplerateoftheacquiredwaveformusingthecurrentconfigurationinsamplespersecond.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.samplerateReturnstheeffectivesamplerateoftheacquiredwaveformtheoscilloscopeacquiresforeachchannel.ThedriverreturnsthevalueoftheIviScopeHorizontalSampleRateproperty.Units:samplespersecond
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeAutoProbeSenseValueIviScopeProbeAutoSenseCapabilityGroupTheVIreturnstheprobeattenuationvaluetheoscilloscopesenses.YouenabletheautomaticprobesensecapabilitybysettingtheProbeAttenuationparameteroftheIviScopeConfigureVerticalVItoIVISCOPE_VAL_PROBE_SENSE_ON.
NoteIfyoudisabletheautomaticprobesensecapability,thisVIreturnsthemanualprobeattenuationsetting.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.channelname("CHANNEL1")PassthevirtualchannelnamethatyouassigntotheinstrumentinMAXforwhichyouwanttoquerytheprobesensevalue.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.autoprobesensevalueReturnstheprobeattenuationvaluetheoscilloscopesenses.ThedriverreturnsthevalueoftheIviScopeProbeSenseValueproperty.NoteIfyoudisabletheautomaticprobesensecapability,thisparameterreturnsthemanualprobeattenuationsetting.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeAutoSetupIviScopeAutoSetupCapabilityGroup[AS]ThisVIautomaticallyconfigurestheinstrument.
NoteWhenyoucallthisVI,theoscilloscopesensestheinputsignalandautomaticallyconfiguresmanyoftheinstrumentsettings.Thesettingsnolongermatchthecachevaluesforthecorrespondingproperties.Therefore,thisVIinvalidatesallpropertycachevalues.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureACLineTriggerSlopeIviScopeAcLineTriggerCapabilityGroup[AT]ThisVIconfigurestheslopeoftheACLinetrigger.
NoteThisVIaffectsinstrumentbehavioronlyifthetriggertypeisIVISCOPE_VAL_AC_LINE_TRIGGER.CalltheIviScopeConfigureTriggerVItosetthetriggertypebeforecallingthisVI.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.triggerslopeSpecifywhetheryouwanttheoscilloscopetotriggeronazerocrossingwithapositive,negative,oreitherslopeofthenetworksupplyvoltage.ThedriverusesthisvaluetosettheIviScopeACLineTriggerSlope[AT]property.DefinedValues:IVISCOPE_VAL_AC_LINE_POSITIVE—PositivecrossingIVISCOPE_VAL_AC_LINE_NEGATIVE—NegativecrossingIVISCOPE_VAL_AC_LINE_EITHER—EithercrossingDefaultvalue:IVISCOPE_VAL_AC_LINE_POSITIVE
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptions
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VI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureAcquisitionRecordIviScopeBaseCapabilityGroupThisVIconfiguresthemostcommonlyconfiguredpropertiesoftheoscilloscopeacquisitionsubsystem.Thesepropertiesarethetimeperrecord,minimumrecordlength,andtheacquisitionstarttime.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.timeperrecord(seconds)Passthetimeperrecord.ThedriverusesthisvaluetosettheIviScopeHorizontalTimePerRecordproperty.Units:seconds
minimumrecordlengthPasstheminimumnumberofpointsyouallowforinthewaveformrecorded.ThedriverusesthisvaluetosettheIviScopeHorizontalMinimumNumberofPointsproperty.CalltheIviScopeActualRecordLengthVItoobtaintheactualrecordlength.NoteTheoscilloscopemayuserecordsofdifferentsizedependingontheacquisitiontype.YouspecifytheacquisitiontypewiththeIviScopeConfigureAcquisitionTypeVI.starttime(seconds)Passthepositionofthefirstpointinthewaveformrecordrelativetothetriggerevent.ThedriverusesthisvaluetosettheIviScopeAcquisitionStartTimeproperty.Specifythelengthoftimefromthetriggereventtothefirstpointinthewaveformrecord.Ifthisvalueispositive,thefirstpointinthewaveformrecordoccursafterthetriggerevent.Ifthisvalueisnegative,thefirstpointinthewaveformrecordoccursbeforethe
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triggerevent.Units:secondsDefault:0.0
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureAcquisitionTypeIviScopeBaseCapabilityGroupThisVIconfigureshowtheoscilloscopeacquiresdataandhowitfillsthewaveformrecord.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.acquisitiontypeSpecifythemannerinwhichyouwanttheoscilloscopetoacquiredataandfillthewaveformrecord.ThedriversetstheIviScopeAcquisitionTypepropertytothisvalue.DefinedValues:IVISCOPE_VAL_NORMAL—Setstheoscilloscopetothenormalacquisitionmode.Theoscilloscopeacquiresonesampleforeachpointinthewaveformrecord.Theoscilloscopecanusereal-timeorequivalent-timesampling.IVISCOPE_VAL_PEAK_DETECT—Setstheoscilloscopetothepeak-detectacquisitionmode.Theoscilloscopeoversamplestheinputsignalandkeepstheminimumandmaximumvaluesthatcorrespondtoeachpositioninthewaveformrecord.Theoscilloscopeusesonlyreal-timesampling.IVISCOPE_VAL_HI_RES—Setstheoscilloscopetothehigh-resolutionacquisitionmode.Theoscilloscopeoversamplestheinputsignalandcalculatesanaveragevalueforeachpositioninthewaveformrecord.Theoscilloscopeusesonlyreal-timesampling.IVISCOPE_VAL_ENVELOPE—Setstheoscilloscopetotheenvelopeacquisitionmode.Theoscilloscopeacquiresmultiplewaveformsandkeepstheminimumandmaximumvoltagesitacquiresforeachpointinthewaveformrecord.Youspecifythe
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numberofwaveformstheoscilloscopeacquireswiththeIviScopeConfigureNumberofEnvelopes[MmW]VI.Theoscilloscopecanusereal-timeorequivalent-timesampling.IVISCOPE_VAL_AVERAGE—Setstheoscilloscopetotheaverageacquisitionmode.Theoscilloscopeacquiresmultiplewaveformsandcalculatesanaveragevalueforeachpointinthewaveformrecord.YouspecifythenumberofwaveformstheoscilloscopeacquireswiththeIviScopeConfigureNumberofAverages[AA]VI.Theoscilloscopecanusereal-timeorequivalent-timesampling.Defaultvalue:IVISCOPE_VAL_NORMAL
NoteWhenyousetthisparametertoIVISCOPE_VAL_ENVELOPEorIVISCOPE_VAL_PEAK_DETECT,theoscilloscopeacquiresminimumandmaximumwaveforms.Toretrievetheminimumandmaximumwaveforms,usetheIviScopeReadMinMaxWaveform[MmW]andIviScopeFetchMinMaxWaveform[MmW]VIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureChannelIviScopeBaseCapabilityGroupThisVIconfiguresthemostcommonlyconfiguredpropertiesoftheoscilloscopechannelsub-system.Thesepropertiesaretherange,offset,coupling,probeattenuation,andwhetherthechannelisenabled.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.channelnamePassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
verticalrangePassthevalueoftheinputrangetheoscilloscopeusesforthechannel.ThedriversetstheIviScopeVerticalRangepropertytothisvalue.Forexample,toacquireasinewavethatspansbetween–5.0and5.0V,pass10.0asthevalueofthisparameter.Units:volts
verticaloffsetPassthelocationofthecenteroftherangethatyou
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specifywiththeVerticalRangeparameter.Expressthevaluewithrespecttoground.ThedriversetstheIviScopeVerticalOffsettothisvalue.Forexample,toacquireasinewavethatspansbetween0.0and10.0V,pass5.0asthevalueofthisparameter.Units:voltsDefaultvalue:0.0
verticalcouplingSpecifyhowyouwanttheoscilloscopetocoupletheinputsignalforthechannel.ThedriversetstheIviScopeVerticalCouplingpropertytothisvalue.DefinedValues:IVISCOPE_VAL_AC—ACCouplingIVISCOPE_VAL_DC—DCCouplingIVISCOPE_VAL_GND—GroundCouplingDefaultvalue:IVISCOPE_VAL_DC
probeattenuationPassthescalingfactorbywhichtheprobeyouattachtothechannelattenuatestheinput.Forexample,whenyouusea10:1probe,setthisparameterto10.0.ThedriversetstheIviScopeProbeAttenuationpropertytothisvalue.Thisdriverreservesnegativevaluestocontroltheoscilloscope'sautomaticprobesensecapability.SettingthisparametertoIVISCOPE_VAL_PROBE_SENSE_ONconfigurestheoscilloscopetosensetheattenuationoftheprobeautomatically.DefinedValues:IVISCOPE_VAL_PROBE_SENSE_ONE—enablestheoscilloscope'sautomaticprobesensecapability.DefaultValue:1.0
Notes
1. Iftheoscilloscopeissettosensetheprobeattenuationautomatically,settingthisparametertoapositivevaluedisablestheautomaticprobesenseandconfigurestheoscilloscopetousethemanualprobeattenuationyouspecify.
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2. Ifyouuseamanualprobeattenuation,youmustsettheprobeattenuationtoreflectthenewprobeattenuationeachtimeyouattachadifferentprobe.
3. UsetheIviScopeAutoProbeSenseValue[PAS]VItoobtaintheactualprobeattenuationwhiletheautomaticprobesensecapabilityisenabled.
4. Ifyousettheoscilloscopetosensetheprobeattenuationautomatically,theprobeattenuationvaluecanchangeatanytime.Whentheoscilloscopedetectsanewprobeattenuationvalue,othersettingsintheoscilloscopemightalsochange.Thedriverhasnowayofknowingwhenthesechangesoccur.Therefore,whenyouenabletheautomaticprobesensecapability,thisdriverdisablescachingforpropertiesthatdependontheprobeattenuation.ThesepropertiesincludeIviScopeVerticalRange,IviScopeVerticalOffset,andallthepropertiesthatconfiguretriggerlevels.Tomaximizeperformance,setthisparametertoamanualprobeattenuationsetting.
channelenabledSpecifywhetheryouwanttheoscilloscopetoacquireawaveformforthechannelwhenyoucalltheIviScopeInitiateAcquisition,IviScopeReadWaveform,IviScopeReadMinMaxWaveform[MmW],orIviScopeReadWaveformMeasurement[WM]VI.ThedriversetstheIviScopeChannelEnabledpropertytothisvalue.DefaultValue:TRUE
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureChannelCharacteristicsIviScopeBaseCapabilityGroupThisVIconfiguresthepropertiesthatcontroltheelectricalcharacteristicsofthechannel.Thesepropertiesaretheinputimpedanceandthemaximumfrequencyoftheinputsignal.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.channelnamePassthevirtualchannelnamethatyouassigntotheinstrumentinMAX.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
inputimpedance(ohms)Passtheinputimpedanceyouwanttouseforthechannel.ThedriversetstheIviScopeInputImpedancetothisvalue.Units:ohmsDefaultValue:1000000.0
maxinputfrequency(hertz)Passthemaximumfrequencyfortheinputsignalyouwanttheinstrumenttoaccommodatewithout
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attenuatingitbymorethan3dB.ThedriversetstheIviScopeMaximumInputFrequencytothisvalue.Units:hertz(Hz)
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureEdgeTriggerSourceIviScopeBaseCapabilityGroupThisVIconfigurestheedgetrigger.AnedgetriggeroccurswhenthetriggersignalpassesthroughthevoltagethresholdthatyouspecifywiththeTriggerLevelparameterandhastheslopethatyouspecifywiththeTriggerSlopeparameter.
Notes
1. ThisVIaffectsinstrumentbehavioronlyifthetriggertypeisIVISCOPE_VAL_EDGE_TRIGGER.CalltheIviScopeConfigureTriggerandIviScopeConfigureTriggerCouplingVIstosetthetriggertypeandtriggercouplingbeforecallingthisVI.
2. Ifthetriggersourceisoneoftheanaloginputchannels,youmustconfiguretheverticalrange,verticaloffset,verticalcoupling,probeattenuation,andthemaximuminputfrequencybeforecallingthisVI.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.triggersourcePassthesourceyouwanttheoscilloscopetomonitorforatrigger.ThedriversetstheIviScopeTriggerSourcepropertytothisvalue.AfteryoucalloneoftheIviScopeReadWaveform,IviScopeReadMinMaxWaveform[MmW],IviScopeReadWaveformMeasurement[WM],orIviScopeInitiateAcquisitionVIs,theoscilloscopewaitsforthetriggerfromthesourceyouspecifyinthisparameter.
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Thiscontrolacceptsoneofthevalidchannelnamesoradditionaltriggersourceslistedbelow.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.
AdditionalTriggerSources
IVISCOPE_VAL_EXTERNALExternalIVISCOPE_VAL_TTL0—PXITRIG0orVXITTL0IVISCOPE_VAL_TTL1—PXITRIG1orVXITTL1IVISCOPE_VAL_TTL2—PXITRIG2orVXITTL2IVISCOPE_VAL_TTL3—PXITRIG3orVXITTL3IVISCOPE_VAL_TTL4—PXITRIG4orVXITTL4IVISCOPE_VAL_TTL5—PXITRIG5orVXITTL5IVISCOPE_VAL_TTL6—PXITRIG6orVXITTL6IVISCOPE_VAL_TTL7—PXITRIG7orVXITTL7IVISCOPE_VAL_ECL0—VXIECL0IVISCOPE_VAL_ECL1—VXIECL1IVISCOPE_VAL_PXI_STAR—PXIStarIVISCOPE_VAL_RTSI_0—RTSIline0IVISCOPE_VAL_RTSI_1—RTSIline1IVISCOPE_VAL_RTSI_2—RTSIline2IVISCOPE_VAL_RTSI_3—RTSIline3IVISCOPE_VAL_RTSI_4—RTSIline4IVISCOPE_VAL_RTSI_5—RTSIline5
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IVISCOPE_VAL_RTSI_6—RTSIline6
NoteIVISCOPE_VAL_EXTERNAL—Theoscilloscopewaitsforatriggerontheexternaltriggerinput.triggerlevel(volts)Passthevoltagethresholdyouwanttheoscilloscopetouseforedgetriggering.ThedriversetstheIviScopeTriggerLevelpropertytothisvalue.TheoscilloscopetriggerswhenthetriggersignalpassesthroughthethresholdyouspecifywiththisparameterandhastheslopeyouspecifywiththeTriggerSlopeparameter.Units:voltsDefaultvalue:0.0
NoteThisparameteraffectsinstrumentbehavioronlywhenyouselectachannelortheexternaltriggerinputastheTriggerSource.Youcannotconfigurethetriggerlevelthattheoscilloscopeusesforothertriggersources.Forexample,ifyouselectIVISCOPE_VAL_AC_LINE_TRIGGERasthetriggersource,theoscilloscopetriggersonzerocrossings.triggerslopeSpecifywhetheryouwantarisingedgeorafallingedgepassingthroughtheTriggerLeveltotriggertheoscilloscope.ThedriversetstheIviScopeTriggerSlopepropertytothisvalue.DefinedValues:IVISCOPE_VAL_POSITIVERisingedgeIVISCOPE_VAL_NEGATIVEFallingedgeDefaultvalue:IVISCOPE_VAL_POSITIVE
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.
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erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureGlitchTriggerSourceIviScopeGlitchTriggerCapabilityGroup[GT]ThisVIconfigurestheglitchtrigger.Aglitchtriggeroccurswhenthetriggersignalhasapulsewithawidththatislessthantheglitchwidth.YouspecifytheglitchwidthintheGlitchWidthparameter.YouspecifythepolarityofthepulsewiththeGlitchPolarityparameter.ThetriggerdoesnotactuallyoccuruntiltheedgeofapulsethatcorrespondstotheGlitchWidthandGlitchPolaritycrossesthethresholdyouspecifyintheTriggerLevelparameter.
NoteThisVIaffectsinstrumentbehavioronlyifthetriggertypeisIVISCOPE_VAL_GLITCH_TRIGGER.CalltheIviScopeConfigureTriggerandIviScopeConfigureTriggerCouplingVIstosetthetriggertypeandtriggercouplingbeforecallingthisVI.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.triggersourcePassthesourceyouwanttheoscilloscopetomonitorforatrigger.ThedriversetstheIviScopeTriggerSourcepropertytothisvalue.AfteryoucalloneoftheIviScopeReadWaveform,IviScopeReadMinMaxWaveform[MmW],IviScopeReadWaveformMeasurement[WM],orIviScopeInitiateAcquisitionVIs,theoscilloscopewaitsforthetriggerfromthesourceyouspecifyinthisparameter.Thiscontrolacceptsoneofthevalidchannelnamesoradditionaltriggersourceslistedbelow.
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Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.
AdditionalTriggerSources
IVISCOPE_VAL_EXTERNAL—ExternalIVISCOPE_VAL_TTL0—PXITRIG0orVXITTL0IVISCOPE_VAL_TTL1—PXITRIG1orVXITTL1IVISCOPE_VAL_TTL2—PXITRIG2orVXITTL2IVISCOPE_VAL_TTL3—PXITRIG3orVXITTL3IVISCOPE_VAL_TTL4—PXITRIG4orVXITTL4IVISCOPE_VAL_TTL5—PXITRIG5orVXITTL5IVISCOPE_VAL_TTL6—PXITRIG6orVXITTL6IVISCOPE_VAL_TTL7—PXITRIG7orVXITTL7IVISCOPE_VAL_ECL0—VXIECL0IVISCOPE_VAL_ECL1—VXIECL1IVISCOPE_VAL_PXI_STAR—PXIStarIVISCOPE_VAL_RTSI_0—RTSIline0IVISCOPE_VAL_RTSI_1—RTSIline1IVISCOPE_VAL_RTSI_2—RTSIline2IVISCOPE_VAL_RTSI_3—RTSIline3IVISCOPE_VAL_RTSI_4—RTSIline4IVISCOPE_VAL_RTSI_5—RTSIline5IVISCOPE_VAL_RTSI_6—RTSIline6
NoteIVISCOPE_VAL_EXTERNAL—Theoscilloscopewaitsfora
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triggerontheexternaltriggerinput.triggerlevel(volts)Passthevoltagethresholdyouwanttheoscilloscopetouseforglitchtriggering.ThedriversetstheIviScopeTriggerLevelpropertytothisvalue.Theoscilloscopetriggerswhenaglitchcrossesthetriggerthresholdyouspecifywiththisparameter.Units:voltsDefaultvalue:0.0
NoteThisparameteronlyaffectsinstrumentbehaviorwhenyouselectachannelortheexternaltriggerinputastheTriggerSource.Youcannotconfigurethetriggerlevelthattheoscilloscopeusesforothertriggersources.glitchwidth(seconds)Passthelengthoftimeyouwanttheoscilloscopetousefortheglitchwidth.ThedriversetstheIviScopeGlitchWidth[GT]propertytothisvalue.Theoscilloscopetriggerswhenitdetectsapulsewithawidthlessthanorgreaterthanthisvalue,dependingontheGlitchConditionparameter.Units:secondsDefaultvalue:0.000010
glitchpolarityPassthepolarityoftheglitchthatyouwanttotriggertheoscilloscope.ThedriversetstheIviScopeGlitchPolarity[GT]propertytothisvalue.DefinedValues:IVISCOPE_VAL_GLITCH_POSITIVE—Theoscilloscopetriggersonapositiveglitch.IVISCOPE_VAL_GLITCH_NEGATIVE—Theoscilloscopetriggersonanegativeglitch.IVISCOPE_VAL_GLITCH_EITHER—Theoscilloscopetriggersoneitherapositiveornegativeglitch.DefaultValue:IVISCOPE_VAL_GLITCH_POSITIVE
glitchconditionPasstheglitchcondition.ThedriverusesthisvaluetosettheIviScopeGlitchCondition[GT]property.
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Theoscilloscopetriggerswhenitdetectsapulsewithawidthlessthanorgreaterthanthisvalue,dependingonthisparameter.DefinedValues:IVISCOPE_VAL_GLITCH_LESS_THAN—TheoscilloscopetriggerswhenthepulsewidthislessthantheGlitchWidth.IVISCOPE_VAL_GLITCH_GREATER_THAN—TheoscilloscopetriggerswhenthepulsewidthisgreaterthantheGlitchWidth.DefaultValue:IVISCOPE_VAL_GLITCH_LESS_THAN
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureInitiateContinuousIviScopeContinuousAcquisitionCapabilityGroup[CA]ThisVIconfigurestheoscilloscopetoperformcontinuousacquisition.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.continuousacquisitionSpecifieswhetheryouwanttoenablecontinuousacquisitionontheoscilloscope.ThedriverusesthisvaluetosettheIviScopeInitiateContinuous[CA]property.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureInterpolationIviScopeInterpolationCapabilityGroup[I]ThisVIconfigurestheinterpolationmethodtheoscilloscopeuseswhenitcannotsampleavoltageforapointinthewaveformrecord.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptions[I]VI.interpolationPasstheinterpolationmethodyouwanttheoscilloscopetousewhenitcannotsampleavoltageforapointinthewaveformrecord.ThedriversetstheIviScopeInterpolationpropertytothisvalue.DefinedValues:IVISCOPE_VAL_NO_INTERPOLATIONNointerpolationIVISCOPE_VAL_SINE_Xsin(x)/xinterpolationIVISCOPE_VAL_LINEARLinearinterpolationDefaultvalue:IVISCOPE_VAL_SINE_X
NoteIVISCOPE_VAL_NO_INTERPOLATIONTheoscilloscopedoesnotinterpolateanypointsinthewaveform.Instead,thedriversetseveryelementinthewaveformarrayforwhichtheoscilloscopecannotsampleavaluetoanIEEE-definedNaN(NotaNumber)value.
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureNumberofAveragesIviScopeAverageAcquisitionCapabilityGroup[AA]WhenyousettheacquisitiontypetoIVISCOPE_VAL_AVERAGE,theoscilloscopeacquiresmultiplewaveforms.Aftereachwaveformacquisition,theoscilloscopekeepstheaveragevalueofallacquisitionsforeachelementinthewaveformrecord.ThisVIconfiguresthenumberofwaveformsthattheoscilloscopeacquiresandaverages.Aftertheoscilloscopeacquiresasmanywaveformsasyouspecify,itreturnstotheIdlestate.
NoteSettheacquisitiontypetoIVISCOPE_VAL_AVERAGEbeforeyoucallthisVI.Tosettheacquisitiontype,calltheIviScopeConfigureAcquisitionTypeVI.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.numberofaveragesWhenyousettheacquisitiontypetoIVISCOPE_VAL_AVERAGE,theoscilloscopeacquiresmultiplewaveforms.Aftereachwaveformacquisition,theoscilloscopekeepstheaveragevalueofallacquisitionsforeachelementinthewaveformrecord.Thisparameterspecifiesthenumberofwaveformstheoscilloscopeacquiresandaverages.ThedriversetstheIviScopeNumberofAverages[AA]propertytothisvalue.Defaultvalue:8
NoteThisparameteraffectsinstrumentbehavioronlywhentheacquisitiontypeissettoIVISCOPE_VAL_AVERAGE.errorin(noerror)Theerrorinclustercanaccepterrorinformation
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wiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureNumberofEnvelopesIviScopeMinMaxWaveformCapabilityGroup[MmW]WhenyousettheacquisitiontypetoIVISCOPE_VAL_ENVELOPE,theoscilloscopeacquiresmultiplewaveforms.Aftereachwaveformacquisition,theoscilloscopekeepstheminimumandmaximumvaluesitfindsforeachelementinthewaveformrecord.ThisVIconfiguresthenumberofwaveformstheoscilloscopeacquiresandanalyzestocreatetheminimumandmaximumwaveforms.Aftertheoscilloscopeacquiresasmanywaveformsasyouspecify,itreturnstotheIdlestate.
NoteSettheacquisitiontypetoIVISCOPE_VAL_ENVELOPEbeforeyoucallthisVI.Tosettheacquisitiontype,calltheIviScopeConfigureAcquisitionTypeVI.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.numberofenvelopesWhenyousettheacquisitiontypetoIVISCOPE_VAL_ENVELOPE,theoscilloscopeacquiresmultiplewaveforms.Aftereachwaveformacquisition,theoscilloscopekeepstheminimumandmaximumvaluesitfindsforeachpointinthewaveformrecord.Thisparameterspecifiesthenumberofwaveformstheoscilloscopeacquiresandanalyzestocreatetheminimumandmaximumwaveforms.ThedriversetstheIviScopeNumberofEnvelopes[MmW]propertytothisvalue.Defaultvalue:8
NoteThisparameteraffectsinstrumentbehavioronlywhentheacquisitiontypeissettoIVISCOPE_VAL_ENVELOPE.
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errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureReferenceLevelsIviScopeWaveformMeasCapabilityGroup[WM]ThisVIconfiguresthereferencelevelsforwaveformmeasurements.YoumustcallthisVIbeforeyoucalltheIviScopeReadWaveformMeasurementVItotakemeasurements.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.lowref(percentage)Passthelowreferenceyouwanttheoscilloscopetouseforwaveformmeasurements.ThedriversetstheIviScopeMeasurementLowReference[WM]propertytothisvalue.Units:ApercentageofthedifferencebetweentheVoltageHighandVoltageLow.
NoteTheoscilloscopecalculatestheVoltageHighandtheVoltageLowusingeitherthemin/maxorhistogrammethods.Themin/maxmethodusesthemaximumandminimumvaluesfound.Thehistogrammethodusesthemostcommonvaluesfoundaboveandbelowthemiddleofthewaveform.midref(percentage)Passthemidreferenceyouwanttheoscilloscopetouseforwaveformmeasurements.ThedriversetstheIviScopeMeasurementMidReference[WM]propertytothisvalue.Units:ApercentageofthedifferencebetweentheVoltageHighandVoltageLow.
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NoteTheoscilloscopecalculatestheVoltageHighandtheVoltageLowusingeitherthemin/maxorhistogrammethods.Themin/maxmethodusesthemaximumandminimumvaluesfound.Thehistogrammethodusesthemostcommonvaluesfoundaboveandbelowthemiddleofthewaveform.highref(percentage)Passthehighreferenceyouwanttheoscilloscopetouseforwaveformmeasurements.ThedriversetstheIviScopeMeasurementHighReference[WM]propertytothisvalue.Units:ApercentageofthedifferencebetweentheVoltageHighandVoltageLow.
NoteTheoscilloscopecalculatestheVoltageHighandtheVoltageLowusingeitherthemin/maxorhistogrammethods.Themin/maxmethodusesthemaximumandminimumvaluesfound.Thehistogrammethodusesthemostcommonvaluesfoundaboveandbelowthemiddleofthewaveform.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureRuntTriggerSourceIviScopeRuntTriggerCapabilityGroup[RT]ThisVIconfigurestherunttrigger.Arunttriggeroccurswhenthetriggersignalcrossesoneoftheruntthresholdstwicewithoutcrossingtheotherruntthreshold.YouspecifytheruntthresholdswiththeRuntLowThresholdandRuntHighThresholdparameters.YouspecifythepolarityoftheruntwiththeRuntPolarityparameter.
NoteThisVIaffectsinstrumentbehavioronlyifthetriggertypeisIVISCOPE_VAL_RUNT_TRIGGER.CalltheIviScopeConfigureTriggerandIviScopeConfigureTriggerCouplingVIstosetthetriggertypeandtriggercouplingbeforecallingthisVI.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.triggersourcePassthesourceyouwanttheoscilloscopetomonitorforatrigger.ThedriversetstheIviScopeTriggerSourcepropertytothisvalue.AfteryoucalloneoftheIviScopeReadWaveform,IviScopeReadMinMaxWaveform[MmW],IviScopeReadWaveformMeasurement[WM],orIviScopeInitiateAcquisitionVIs,theoscilloscopewaitsforthetriggerfromthesourceyouspecifyinthisparameter.Thiscontrolacceptsoneofthevalidchannelnamesoradditionaltriggersourceslistedbelow.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromone
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instrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelinMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.
AdditionalTriggerSources
IVISCOPE_VAL_EXTERNALExternalIVISCOPE_VAL_TTL0—PXITRIG0orVXITTL0IVISCOPE_VAL_TTL1—PXITRIG1orVXITTL1IVISCOPE_VAL_TTL2—PXITRIG2orVXITTL2IVISCOPE_VAL_TTL3—PXITRIG3orVXITTL3IVISCOPE_VAL_TTL4—PXITRIG4orVXITTL4IVISCOPE_VAL_TTL5—PXITRIG5orVXITTL5IVISCOPE_VAL_TTL6—PXITRIG6orVXITTL6IVISCOPE_VAL_TTL7—PXITRIG7orVXITTL7IVISCOPE_VAL_ECL—VXIECL0IVISCOPE_VAL_ECL1—VXIECL1IVISCOPE_VAL_PXI_STAR—PXIStarIVISCOPE_VAL_RTSI_0—RTSIline0IVISCOPE_VAL_RTSI_1—RTSIline1IVISCOPE_VAL_RTSI_2—RTSIline2IVISCOPE_VAL_RTSI_3—RTSIline3IVISCOPE_VAL_RTSI_4—RTSIline4IVISCOPE_VAL_RTSI_5—RTSIline5IVISCOPE_VAL_RTSI_6—RTSIline6
NoteIVISCOPE_VAL_EXTERNALTheoscilloscopewaitsforatriggerontheexternaltriggerinput.runtlowthreshold(volts)Passthelowthresholdyouwanttheoscilloscopetouseforrunttriggering.ThedriversetstheIviScope
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RuntLowThreshold[RT]propertytothisvalue.Units:voltsDefaultValue:1.0
runthighthreshold(volts)Passthehighthresholdyouwanttheoscilloscopetouseforrunttriggering.ThedriversetstheIviScopeRuntHighThreshold[RT]propertytothisvalue.Units:voltsDefaultValue:4.0
runtpolarityPassthepolarityoftheruntthatyouwanttotriggertheoscilloscope.ThedriversetstheIviScopeRuntPolarity[RT]propertytothisvalue.DefinedValues:
IVISCOPE_VAL_RUNT_POSITIVETheoscilloscopetriggersonapositiverunt.ApositiveruntoccurswhenarisingedgecrossestheRuntLowThresholdanddoesnotcrosstheRuntHighThresholdbeforere-crossingtheLowRuntThreshold.IVISCOPE_VAL_RUNT_NEGATIVETheoscilloscopetriggersonanegativerunt.AnegativeruntoccurswhenafallingedgecrossestheRuntHighThresholdanddoesnotcrosstheRuntLowThresholdbeforere-crossingtheHighRuntThreshold.IVISCOPE_VAL_RUNT_EITHERTheoscilloscopetriggersoneitherapositiveornegativerunt.
DefaultValue:IVISCOPE_VAL_RUNT_POSITIVE
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.
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erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureTriggerIviScopeBaseCapabilityGroupThisVIconfiguresthecommonpropertiesofthetriggersubsystem.Thesepropertiesarethetriggertypeandholdoff.Details
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.triggertypePassthetypeoftriggeryouwanttheoscilloscopetouse.ThedriversetstheIviScopeTriggerTypetothisvalue.DefinedValues:IVISCOPE_VAL_EDGE_TRIGGER—Configurestheoscilloscopeforedgetriggering.Anedgetriggeroccurswhenthetriggersignalcrossesthetriggerlevelyouspecifywiththeslopeyouspecify.YouconfigurethetriggerlevelandslopewiththeIviScopeConfigureEdgeTriggerSourceVI.IVISCOPE_VAL_TV_TRIGGER—ConfigurestheoscilloscopeforTVtriggering.YouconfiguretheTVsignaltype,theeventonwhichtotrigger,andthesignalpolaritywiththeIviScopeConfigureTVTriggerSource[TV]andIviScopeConfigureTVTriggerLineNumber[TV]VIs.IVISCOPE_VAL_RUNT_TRIGGER—Configurestheoscilloscopeforrunttriggering.Arunttriggeroccurswhenthetriggersignalcrossesoneoftheruntthresholdstwicewithoutcrossingtheotherruntthreshold.YouconfiguretheruntthresholdsandthepolarityoftheruntwiththeIviScopeConfigureRuntTriggerSource[RT]VI.IVISCOPE_VAL_GLITCH_TRIGGER—Configurestheoscilloscopeforglitchtriggering.Aglitchtriggeroccurswhenthetriggersignalhasapulsewithawidththatislessthantheglitchwidth.Thetriggerdoesnotactuallyoccuruntiltheedgeofthepulsethatcorrespondstotheglitchwidthandpolarityyouspecifycrossesthe
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triggerlevel.Youconfiguretheglitchwidth,thepolarityofthepulse,andthetriggerlevelwiththeIviScopeConfigureGlitchTriggerSource[GT]VI.IVISCOPE_VAL_WIDTH_TRIGGER—Configurestheoscilloscopeforwidthtriggering.Awidthtriggeroccurswhentheoscilloscopedetectsapositiveornegativepulsewithawidthbetween,oroptionallyoutside,thewidththresholds.Thetriggerdoesnotactuallyoccuruntiltheedgeofapulsethatcorrespondstothewidththresholdsandpolarityyouspecifycrossesthetriggerlevel.Youconfigurethewidththresholds,whethertotriggeronpulsewidthsthatarewithinoroutsidethewidththresholds,thepolarityofthepulse,andthetriggerlevelwiththeIviScopeConfigureWidthTriggerSource[WT]VI.IVISCOPE_VAL_AC_LINE_TRIGGER—ConfigurestheoscilloscopeforACLinetriggering.YouconfiguretheslopeonwhichtotriggerwiththeIviScopeConfigureACLineTriggerSlope[AT]VI.IVISCOPE_VAL_IMMEDIATE_TRIGGER—Configurestheoscilloscopeforimmediatetriggering.Theoscilloscopedoesnotwaitfortriggerofanykinduponinitialization.DefaultValue:IVISCOPE_VAL_EDGE_TRIGGER
NoteThiscontrolconfiguresthetypeoftriggertheoscilloscopeuses.AfteryoucallthisVI,youmustcalltheappropriatetriggerconfigurationVItocompletelyspecifythetrigger.
triggerholdoff(seconds)Passthelengthoftimeyouwanttheoscilloscopetowaitafteritdetectsatriggeruntiltheoscilloscopeenablesthetriggersubsystemtodetectanothertrigger.ThedriversetstheIviScopeTriggerHoldoffpropertytothisvalue.Thisparameteraffectsinstrumentoperationonlywhentheoscilloscoperequiresmultipleacquisitionstobuildacompletewaveform.Theoscilloscoperequiresmultiplewaveformacquisitionswhenitusesequivalent-timesamplingorwhenyousettheacquisitiontypetoenvelopeoraverage.Units:seconds
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errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
IviScopeConfigureTriggerDetailsWhenyoucallIviScopeReadWaveform,IviScopeReadWaveformMeasurement[WM],IviScopeReadMinMaxWaveform[MmW],orIviScopeInitiateAcquisition,theoscilloscopewaitsforatrigger.YouspecifythetypeoftriggerforwhichtheoscilloscopewaitswiththeTriggerTypeparameter.Iftheoscilloscoperequiresmultiplewaveformacquisitionstobuildacompletewaveform,itwaitsforthelengthoftimeyouspecifywiththeHoldoffparametertoelapsesincetheprevioustrigger.Theoscilloscopethenwaitsforthenexttrigger.Oncetheoscilloscopeacquiresacompletewaveform,itreturnstotheIdlestate.
NoteAfteryoucallthisVI,youmustcallthetriggerconfigurationVIthatcorrespondstotheTriggerTypeyouselecttocompletelyspecifythetrigger.Forexample,ifyousettheTriggerTypetoIVISCOPE_VAL_EDGE_TRIGGER,youusetheIviScopeConfigureEdgeTriggerSourceVItocompletelyspecifythetrigger.
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IviScopeConfigureTriggerCouplingIviScopeBaseCapabilityGroupThisVIconfiguresthetriggercoupling.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.triggercouplingPassthetriggercoupling.ThedriverusesthisvaluetosettheIviScopeTriggerCouplingproperty.DefinedValues:IVISCOPE_VAL_AC—TheoscilloscopeACcouplesthetriggersignal.IVISCOPE_VAL_DC—TheoscilloscopeDCcouplesthetriggersignal.IVISCOPE_VAL_LF_REJECT—Theoscilloscopefiltersoutthelowfrequenciesfromthetriggersignal.IVISCOPE_VAL_HF_REJECT—Theoscilloscopefiltersoutthehighfrequenciesfromthetriggersignal.IVISCOPE_VAL_NOISE_REJECT—Theoscilloscopefiltersoutthenoisefromthetriggersignal.DefaultValue:IVISCOPE_VAL_DC
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureTriggerModifierIviScopeTriggerModifierCapabilityGroup[TM]ThisVIconfiguresthetriggermodifier.Thetriggermodifierdeterminestheoscilloscope'sbehaviorintheabsenceoftheconfiguredtrigger.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.triggermodifierPassthetriggermodifier.ThedriverusesthisvaluetosettheIviScopeTriggerModifier[TM]property.DefinedValues:IVISCOPE_VAL_NO_TRIGGER_MOD—Theoscilloscopewaitsuntilthetriggeryouspecifyoccurs.IVISCOPE_VAL_AUTO—Theoscilloscopeautomaticallytriggersifthetriggeryouspecifydoesnotoccurwithintheoscilloscope'stimeoutperiod.IVISCOPE_VAL_AUTO_LEVEL—Theoscilloscopeadjuststhetriggerlevelifthetriggeryouspecifydoesnotoccur.DefaultValue:IVISCOPE_VAL_NO_TRIGGER_MOD
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptions
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VI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureTVTriggerLineNumberIviScopeTVTriggerCapabilityGroup[TV]ThisVIconfigurestheTVlineuponwhichtheoscilloscopetriggers.ThelinenumberisabsoluteandnotrelativetothefieldoftheTVsignal.
NoteThisVIaffectsinstrumentbehavioronlyifthetriggertypeissettoIVISCOPE_VAL_TV_TRIGGERandtheTVtriggereventissettoIVISCOPE_VAL_TV_LINE_NUMBER.CalltheIviScopeConfigureTriggerandtheIviScopeConfigureTVTriggerSource[TV]VIstosetthetriggertypeandTVtriggereventbeforecallingthisVI.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.linenumberPassthelineonwhichyouwanttheoscilloscopetotrigger.ThedriversetstheIviScopeTVTriggerLineNumber[TV]propertytothisvalue.Thelinenumberisindependentofthefield.Thismeansthattotriggeronthefirstlineofthesecondfield,youmustspecifyalinenumberof263(ifweassumethatfieldonehas262lines).Defaultvalue:1
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtain
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fromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureTVTriggerSourceIviScopeTVTriggerCapabilityGroup[TV]ThisVIconfigurestheoscilloscopeforTVtriggering.ItconfigurestheTVsignalformat,theevent,andthesignalpolarity.
NoteThisVIaffectsinstrumentbehavioronlyifthetriggertypeisIVISCOPE_VAL_TV_TRIGGER.CalltheIviScopeConfigureTriggerandIviScopeConfigureTriggerCouplingVIstosetthetriggertypeandtriggercouplingbeforecallingthisVI.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.triggersourcePassthesourceyouwanttheoscilloscopetomonitorforatrigger.ThedriversetstheIviScopeTriggerSourcepropertytothisvalue.AfteryoucalloneoftheIviScopeReadWaveform,IviScopeReadMinMaxWaveform[MmW],IviScopeReadWaveformMeasurement[WM],orIviScopeInitiateAcquisitionVIs,theoscilloscopewaitsforthetriggerfromthesourceyouspecifyinthisparameter.Thiscontrolacceptsoneofthevalidchannelnamesoradditionaltriggersourceslistedbelow.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoan
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instrumentspecificchannelinMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.
AdditionalTriggerSources
IVISCOPE_VAL_EXTERNALExternalIVISCOPE_VAL_TTL0—PXITRIG0orVXITTL0IVISCOPE_VAL_TTL1—PXITRIG1orVXITTL1IVISCOPE_VAL_TTL2—PXITRIG2orVXITTL2IVISCOPE_VAL_TTL3—PXITRIG3orVXITTL3IVISCOPE_VAL_TTL4—PXITRIG4orVXITTL4IVISCOPE_VAL_TTL5—PXITRIG5orVXITTL5IVISCOPE_VAL_TTL6—PXITRIG6orVXITTL6IVISCOPE_VAL_TTL7—PXITRIG7orVXITTL7IVISCOPE_VAL_ECL0—VXIECL0IVISCOPE_VAL_ECL1—VXIECL1IVISCOPE_VAL_PXI_STAR—PXIStarIVISCOPE_VAL_RTSI_0—RTSIline0IVISCOPE_VAL_RTSI_1—RTSIline1IVISCOPE_VAL_RTSI_2—RTSIline2IVISCOPE_VAL_RTSI_3—RTSIline3IVISCOPE_VAL_RTSI_4—RTSIline4IVISCOPE_VAL_RTSI_5—RTSIline5IVISCOPE_VAL_RTSI_6—RTSIline6
NoteIVISCOPE_VAL_EXTERNAL—Theoscilloscopewaitsforatriggerontheexternaltriggerinput.tvsignalformatPassthetypeofTVsignalonwhichtheoscilloscopetriggers.ThedriversetstheIviScopeTVTriggerSignalFormat[TV]propertytothisvalue.DefinedValues:
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IVISCOPE_VAL_NTSCNTSCvideosignalIVISCOPE_VAL_PALPALvideosignalIVISCOPE_VAL_SECAMSECAMvideosignalDefaultValue:IVISCOPE_VAL_NTSC
tveventPasstheTVeventonwhichyouwanttheoscilloscopetotrigger.ThedriversetstheIviScopeTVTriggerEvent[TV]propertytothisvalue.DefinedValues:IVISCOPE_VAL_TV_EVENT_FIELD1—Triggeronfield1IVISCOPE_VAL_TV_EVENT_FIELD2—Triggeronfield2IVISCOPE_VAL_TV_EVENT_ANY_FIELD—TriggeronanyfieldIVISCOPE_VAL_TV_EVENT_ANY_LINE—TriggeronanylineIVISCOPE_VAL_TV_EVENT_LINE_NUMBER—TriggeronalineyouspecifyDefaultValue:IVISCOPE_VAL_TV_EVENT_FIELD1
NoteIfyouspecifyIVISCOPE_VAL_TV_EVENT_LINE_NUMBER,youmustsetthelinenumberonwhichtheoscilloscopetriggersbycallingtheIviScopeConfigureTVTriggerLineNumber[TV]VI.triggerpolarityPassthepolarityoftheTVsignal.ThedriversetstheIviScopeTVTriggerPolaritypropertytothisvalue.DefinedValues:IVISCOPE_VAL_TV_POSITIVE—TriggeronapositivevideosyncIVISCOPE_VAL_TV_NEGATIVE—TriggeronanegativevideosyncDefaultvalue:IVISCOPE_VAL_TV_POSITIVE
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeConfigureWidthTriggerSourceIviScopeWidthTriggerCapabilityGroup[WT]ThisVIconfiguresthewidthtrigger.Awidthtriggeroccurswhentheoscilloscopedetectsapositiveornegativepulsewithawidthbetween,oroptionallyoutside,thewidththresholds.YouspecifythewidththresholdswiththeWidthLowThresholdandWidthHighThresholdparameters.YouspecifywhethertheoscilloscopetriggersonpulsewidthsthatarewithinoroutsidethewidththresholdswiththeWidthConditionparameter.YouspecifythepolarityofthepulsewiththeWidthPolarityparameter.ThetriggerdoesnotactuallyoccuruntiltheedgeofapulsethatcorrespondstotheWidthLowThreshold,WidthHighThreshold,WidthCondition,andWidthPolaritycrossesthethresholdyouspecifyintheTriggerLevelparameter.
NoteThisVIaffectsinstrumentbehavioronlyifthetriggertypeisIVISCOPE_VAL_WIDTH_TRIGGER.CalltheIviScopeConfigureTriggerandIviScopeConfigureTriggerCouplingVIstosetthetriggertypeandtriggercouplingbeforecallingthisVI.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.triggersourcePassthesourceyouwanttheoscilloscopetomonitorforatrigger.ThedriversetstheIviScopeTriggerSourcepropertytothisvalue.AfteryoucalloneoftheIviScopeReadWaveform,IviScopeReadMinMaxWaveform[MmW],IviScopeReadWaveformMeasurement[WM],orIviScopeInitiateAcquisitionVIs,the
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oscilloscopewaitsforthetriggerfromthesourceyouspecifyinthisparameter.ThiscontrolacceptsoneofthevalidchannelnamesoradditionaltriggersourceslistedinAdditionalTriggerSources.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.
AdditionalTriggerSources
IVISCOPE_VAL_EXTERNAL—ExternalIVISCOPE_VAL_TTL0—PXITRIG0orVXITTL0IVISCOPE_VAL_TTL1—PXITRIG1orVXITTL1IVISCOPE_VAL_TTL2—PXITRIG2orVXITTL2IVISCOPE_VAL_TTL3—PXITRIG3orVXITTL3IVISCOPE_VAL_TTL4—PXITRIG4orVXITTL4IVISCOPE_VAL_TTL5—PXITRIG5orVXITTL5IVISCOPE_VAL_TTL6—PXITRIG6orVXITTL6IVISCOPE_VAL_TTL7—PXITRIG7orVXITTL7IVISCOPE_VAL_ECL0—VXIECL0IVISCOPE_VAL_ECL1—VXIECL1IVISCOPE_VAL_PXI_STAR—PXIStarIVISCOPE_VAL_RTSI_0—RTSIline0IVISCOPE_VAL_RTSI_1—RTSIline1IVISCOPE_VAL_RTSI_2—RTSIline2IVISCOPE_VAL_RTSI_3—RTSIline3
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IVISCOPE_VAL_RTSI_4—RTSIline4IVISCOPE_VAL_RTSI_5—RTSIline5IVISCOPE_VAL_RTSI_6—RTSIline6
NoteIVISCOPE_VAL_EXTERNAL—Theoscilloscopewaitsforatriggerontheexternaltriggerinput.triggerlevel(volts)Passthevoltagethresholdyouwanttheoscilloscopetouseforwidthtriggering.ThedriversetstheIviScopeTriggerLevelpropertytothisvalue.TheoscilloscopetriggerswhentheedgeofapulsethatcorrespondstotheWidthLowThreshold,WidthHighThreshold,WidthCondition,andWidthPolaritycrossesthethresholdyouspecifyinthisparameter.Units:voltsDefaultvalue:0.0
NoteThisparameteronlyaffectsinstrumentbehaviorwhenyouselectachannelortheexternaltriggerinputastheTriggerSource.Youcannotconfigurethetriggerlevelthattheoscilloscopeusesforothertriggersources.widthlowthreshold(seconds)Passthelowwidththresholdtime.ThedriversetstheIviScopeWidthLowThreshold[WT]tothisvalue.Units:seconds
widthhighthreshold(seconds)Passthehighwidththresholdtime.ThedriversetstheIviScopeWidthHighThreshold[WT]tothisvalue.Units:seconds
widthpolarityPassthepolarityofthepulsethatyouwanttotriggertheoscilloscope.ThedriversetstheIviScopeWidthPolarity[WT]propertytothisvalue.DefinedValues:IVISCOPE_VAL_WIDTH_POSITIVE—Theoscilloscopetriggersonapositivepulse.IVISCOPE_VAL_WIDTH_NEGATIVE—Theoscilloscopetriggers
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onanegativepulse.Defaultvalue:IVISCOPE_VAL_WIDTH_POSITIVE
widthconditionPasswhetheryouwantapulsethatiswithinoroutsidetheWidthHighThresholdandWidthLowThresholdtotriggertheoscilloscope.DefinedValues:IVISCOPE_VAL_WIDTH_WITHIN—TheoscilloscopetriggersonpulsesthathaveawidththatislessthantheWidthHighThresholdandgreaterthantheWidthLowThreshold.IVISCOPE_VAL_WIDTH_OUTSIDE—TheoscilloscopetriggersonpulsesthathaveawidththatiseithergreaterthantheWidthHighThresholdorlessthanaWidthLowThreshold.DefaultValue:IVISCOPE_VAL_WIDTH_WITHIN
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeFetchMinMaxWaveformIviScopeMinMaxWaveformCapabilityGroup[MmW]ThisVIreturnstheminimumandmaximumwaveformsthattheoscilloscopeacquiresforthechannelyouspecify.Ifthechannelisnotenabledfortheacquisition,thisVIreturnstheIVISCOPE_ERROR_CHANNEL_NOT_ENABLEDerror.Details
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.channelnamePassthevirtualchannelnamethatyouassigntotheinstrumentinMAXfromwhichyouwanttofetchtheminimumandmaximumwaveforms.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
waveformsizePassthenumberofelementsintheMinWaveformArrayandMaxWaveformArrayparameters.errorin(noerror)Theerrorinclustercanaccepterrorinformation
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wiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.minwaveformarrayReturnstheminimumwaveformthattheoscilloscopeacquires.Units:volts
NoteYouconfiguretheinterpolationmethodtheoscilloscopeuseswiththeIviScopeConfigureInterpolation[I]VI.Ifyoudisableinterpolation,theoscilloscopedoesnotinterpolatepointsinthewaveform.Iftheoscilloscopecannotsampleavalueforapointinthewaveform,thedriversetsthecorrespondingelementintheWaveformArraytoanIEEE-definedNaN(NotaNumber)valueandtheVIreturnsIVISCOPE_WARN_INVALID_WFM_ELEMENT.YoucantestawaveformvalueforaninvalidvalueconditionbycallingtheIviScopeIsInvalidWaveformElementVI.maxwaveformarrayReturnsthemaximumwaveformthattheoscilloscopeacquires.Units:volts
NoteYouconfiguretheinterpolationmethodtheoscilloscopeuseswiththeIviScopeConfigureInterpolation[I]VI.Ifyoudisableinterpolation,theoscilloscopedoesnotinterpolatepointsinthewaveform.Iftheoscilloscopecannotsampleavalueforapointinthewaveform,thedriversetsthecorrespondingelementintheWaveformArraytoanIEEE-definedNaN(NotaNumber)valueandtheVIreturnsIVISCOPE_WARN_INVALID_WFM_ELEMENT.YoucantestawaveformvalueforaninvalidvalueconditionbycallingtheIviScopeIsInvalidWaveformElementVI.actualpointsIndicatesthenumberofpointstheVIplacesintheMinWaveformArrayandMaxWaveformArrayparameters.initialxIndicatesthetimeofthefirstpointintheMinWaveform
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ArrayandMaxWaveformArray.Thetimeisrelativetothetriggerevent.Forexample,iftheoscilloscopeacquiresthefirstpointinthewaveforms1secondbeforethetrigger,thisparameterreturnsthevalue–1.0.Iftheacquisitionofthefirstpointoccursatthesametimeasthetrigger,thisparameterreturnsthevalue0.0.Units:seconds
xincrementIndicatesthelengthoftimebetweenpointsintheMinWaveformArrayandMaxWaveformArray.Units:seconds
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
IviScopeFetchMinMaxWaveformThewaveformsarefromanacquisitionthatyoupreviouslyinitiated.UsethisVItofetchwaveformswhenyousettheacquisitiontypetoIVISCOPE_VAL_PEAK_DETECTorIVISCOPE_VAL_ENVELOPE.Iftheacquisitiontypeisnotoneofthelistedtypes,theVIreturnstheIVISCOPE_ERROR_INVALID_ACQ_TYPEerror.UsetheIviScopeInitiateAcquisitionVItostartanacquisitiononthechannelsthatyouenablewiththeIviScopeConfigureChannelVI.Theoscilloscopeacquiresthemin/maxwaveformsfortheenabledchannelsconcurrently.YouusetheIviScopeAcquisitionStatusVItodeterminewhentheacquisitioniscomplete.YoumustcallthisVIseparatelyforeachenabledchanneltoobtainthemin/maxwaveforms.YoucancalltheIviScopeReadMinMaxWaveform[MmW]VIinsteadoftheIviScopeInitiateAcquisitionVI.TheIviScopeReadMinMaxWaveform[MmW]VIstartsanacquisitiononallenabledchannels,waitsfortheacquisitiontocomplete,andreturnsthemin/maxwaveformsforthechannelyouspecify.YoucallthisVItoobtainthemin/maxwaveformsforeachoftheremainingchannels.
Notes
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1. AfterthisVIexecutes,eachelementintheMinWaveformArrayandMaxWaveformArrayparametersiseitheravoltageoravalueindicatingthattheoscilloscopecouldnotsampleavoltage.
2. YouconfiguretheinterpolationmethodtheoscilloscopeuseswiththeIviScopeIsInvalidWaveformElementVI.Ifyoudisableinterpolation,theoscilloscopedoesnotinterpolatepointsinthewaveform.Iftheoscilloscopecannotsampleavalueforapointinthewaveform,thedriversetsthecorrespondingelementintheWaveformArraytoanIEEEdefinedNaN(NotaNumber)valueandtheVIreturnsIVISCOPE_WARN_INVALID_WFM_ELEMENT.
3. YoucantestawaveformvalueforaninvalidvalueconditionbycallingtheIviScopeIsInvalidWaveformElementVI.
4. ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheIviScopeError-QueryVIattheconclusionofthesequence.
5. TheclassdriverreturnsasimulatedminimumandmaximumwaveformwhenthisVIiscalledandtheIviScopeSimulatepropertyissettoTRUEandtheIviScopeUseSpecificSimulationpropertyissettoFALSE.Forinformationonhowtoconfigureasimulatedwaveform,refertoIviScopeSimulatorSetupDialogBox.
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IviScopeFetchWaveformIviScopeBaseCapabilityGroupThisVIreturnsthewaveformtheoscilloscopeacquiresforthechannelyouspecify.ThewaveformisfromanacquisitionthatyouinitiatepriortocallingthisVI.YouusetheIviScopeInitiateAcquisitionVItostartanacquisitiononthechannelsthatyouenablewiththeIviScopeConfigureChannelVI.Theoscilloscopeacquireswaveformsfortheenabledchannelsconcurrently.YouusetheIviScopeAcquisitionStatusVItodeterminewhentheacquisitioniscomplete.YoumustcallthisVIseparatelyforeachenabledchanneltoobtainthewaveforms.YoucancalltheIviScopeReadWaveformVIinsteadoftheIviScopeInitiateAcquisitionVI.TheIviScopeReadWaveformVIstartsanacquisitiononallenabledchannels,waitsfortheacquisitiontocomplete,andreturnsthewaveformforthechannelyouspecify.YoucallthisVItoobtainthewaveformforeachoftheremainingchannels.
Notes
1. AfterthisVIexecutes,eachelementintheWaveformArrayparameteriseitheravoltageoravalueindicatingthattheoscilloscopecouldnotsampleavoltage.
2. YouconfiguretheinterpolationmethodtheoscilloscopeuseswiththeIviScopeConfigureInterpolation[I]VI.Ifyoudisableinterpolation,theoscilloscopedoesnotinterpolatepointsinthewaveform.Iftheoscilloscopecannotsampleavalueforapointinthewaveform,thedriversetsthecorrespondingelementintheWaveformArraytoanIEEE-definedNaN(NotaNumber)valueandtheVIreturnsIVISCOPE_WARN_INVALID_WFM_ELEMENT.
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3. YoucantestawaveformvalueforaninvalidvalueconditionbycallingtheIviScopeIsInvalidWaveformElementVI.
4. ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheIviScopeError-QueryVIattheconclusionofthesequence.
5. TheclassdriverreturnsasimulatedwaveformwhenthisVIiscalledandtheIviScopeSimulatepropertyissettoTRUEandtheIviScopeUseSpecificSimulationpropertyissettoFALSE.Forinformationonhowtoconfigureasimulatedwaveform,refertoIviScopeSimulatorSetupDialogBox.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.channelnamePassthevirtualchannelnamethatyouassigntotheinstrumentinMAXfromwhichyouwanttofetchawaveform.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
waveformsizePassthenumberofelementsintheWaveformArrayparameter.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.waveformarrayReturnsthewaveformthattheoscilloscopeacquires.Units:volts
Notes
1. YouconfiguretheinterpolationmethodtheoscilloscopeuseswiththeIviScopeIsInvalidWaveformElementVI.Ifyoudisableinterpolation,theoscilloscopedoesnotinterpolatepointsinthewaveform.Iftheoscilloscopecannotsampleavalueforapointinthewaveform,thedriversetsthecorrespondingelementintheWaveformArraytoanIEEEdefinedNaN(NotaNumber)valueandtheVIreturnsIVISCOPE_WARN_INVALID_WFM_ELEMENT.
2. YoucantestawaveformvalueforaninvalidvalueconditionbycallingtheIviScopeIsInvalidWaveformElementVI.
actualpointsIndicatesthenumberofpointstheVIplacesintheWaveformArrayparameter.initialxIndicatesthetimeofthefirstpointintheWaveformArray.Thetimeisrelativetothetriggerevent.Forexample,iftheoscilloscopeacquiresthefirstpointintheWaveformArray1secondbeforethetrigger,thisparameterreturnsthevalue–1.0.Iftheacquisitionofthefirstpointoccursatthesametimeasthetrigger,thisparameterreturnsthevalue0.0.Units:seconds
xincrementIndicatesthelengthoftimebetweenpointsintheWaveformArray.Units:seconds
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeFetchWaveformMeasurementIviScopeWaveformMeasCapabilityGroup[WM]ThisVIfetchesawaveformmeasurementfromthechannelyouspecify.Ifthechannelisnotenabledfortheacquisition,thisVIreturnstheIVISCOPE_ERROR_CHANNEL_NOT_ENABLEDerror.Thewaveformonwhichtheoscilloscopecalculatesthewaveformmeasurementisfromanacquisitionthatyoupreviouslyinitiated.
UsetheIviScopeInitiateAcquisitionVItostartanacquisitiononthechannelsthatyouenablewiththeIviScopeConfigureChannelVI.Theoscilloscopeacquireswaveformsfortheenabledchannelsconcurrently.YouusetheIviScopeAcquisitionStatusVItodeterminewhentheacquisitioniscomplete.YoucallthisVIseparatelyforeachwaveformmeasurementyouwanttoobtainonaspecificchannel.YoucancalltheIviScopeReadWaveformMeasurement[WM]VIinsteadoftheIviScopeInitiateAcquisitionVI.TheIviScopeReadWaveformMeasurement[WM]VIstartsanacquisitiononallenabledchannels.Itthenwaitsfortheacquisitiontocomplete,obtainsawaveformmeasurementonthechannelyouspecify,andreturnsthemeasurementvalue.YoucallthisVIseparatelyforanyotherwaveformmeasurementthatyouwanttoobtainonaspecificchannel.
Notes
1. YoumustconfiguretheappropriatereferencelevelsbeforeyoucallthisVI.Youconfigurethelow,mid,andhighreferenceseitherbycallingtheIviScopeConfigureReferenceLevels[WM]VIorbysettingthefollowingproperties:
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IviScopeMeasurementHighReference[WF]IviScopeMeasurementLowReference[WM]IviScopeMeasurementMidReference[WM]
2. ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheIviScopeError-QueryVIattheconclusionofthesequence.
3. TheclassdriverreturnsasimulatedmeasurementwhenthisVIiscalledandtheIviScopeSimulatepropertyissettoTRUEandtheIviScopeUseSpecificSimulationpropertyissettoFALSE.Forinformationonhowtoconfigureasimulatedmeasurement,refertoIviScopeSimulatorSetupDialogBox.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.channelnamePassthevirtualchannelnamethatyouassigntotheinstrumentinMAXfromwhichyouwanttofetchawaveformmeasurement.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
measurementfunctionPassthewaveformmeasurementyouwanttheoscilloscopetoperform.Definedvalues:IVISCOPE_VAL_RISE_TIME—RiseTimeThelengthoftimeforthefirstrisingedgeofthesignaltorisefromthelowreferenceleveltothehighreferencelevel.
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IVISCOPE_VAL_FALL_TIME—FallTimeThelengthoftimeforthefirstfallingedgeofthesignaltofallfromthehighreferenceleveltothelowreferencelevel.IVISCOPE_VAL_FREQUENCY—FrequencyThefrequencyofonecompletecycleinthewaveform.IVISCOPE_VAL_PERIOD—PeriodThelengthoftimeofonecompletecycleinthewaveform.IVISCOPE_VAL_VOLTAGE_RMS—VoltageRMSThetrueRootMeanSquarevoltageoftheentirewaveform.IVISCOPE_VAL_VOLTAGE_CYCLE_RMS—VoltageRMS(Cycle)ThetrueRootMeanSquarevoltageoverthefirstcycleinthewaveform.IVISCOPE_VAL_VOLTAGE_MAX—VoltageMaxThemaximumamplitudefoundintheentirewaveform.IVISCOPE_VAL_VOLTAGE_MIN—VoltageMinTheminimumamplitudefoundintheentirewaveform.IVISCOPE_VAL_VOLTAGE_PEAK_TO_PEAK—VoltageVppTheabsolutedifferencebetweentheVoltageMaxandtheVoltageMin.IVISCOPE_VAL_VOLTAGE_HIGH—VoltageHighThevoltagethatcorrespondsto100%whenyouusethereferencelevels.Theoscilloscopecalculatesthisvalueusingeitherthemin/maxorhistogrammethods.Themin/maxmethodusesthemaximumvaluefound.Thehistogrammethodusesthemostcommonvaluefoundabovethemiddleofthewaveform.IVISCOPE_VAL_VOLTAGE_LOW—VoltageLowThevoltagethatcorrespondsto0%whenyouusethereferencelevels.Theoscilloscopecalculatesthisvalueusingeitherthemin/maxorhistogrammethods.Themin/maxmethodusestheminimumvaluefound.Thehistogrammethodusesthemostcommonvaluefoundbelowthemiddleofthewaveform.IVISCOPE_VAL_VOLTAGE_AVERAGE—VoltageAvg.Thearithmeticaverageamplitudeoftheentirewaveform.IVISCOPE_VAL_VOLTAGE_CYCLE_AVERAGE—VoltageAvg.(Cycle)
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Thearithmeticaverageamplitudeofthefirstcycleinthewaveform.IVISCOPE_VAL_WIDTH_NEG—WidthNegativeThelengthoftimebetweenthemidreferencelevelpointsofthefirstnegativepulseinthewaveform.IVISCOPE_VAL_WIDTH_POS—WidthPositiveThelengthoftimebetweenthemidreferencelevelpointsofthefirstpositivepulseinthewaveform.IVISCOPE_VAL_DUTY_CYCLE_NEG—DutyCycleNegativeTheratiooftheWidthNegativetothePeriodofthefirstcycleinthewaveformexpressedasapercentage.DutyCycleNegative=100.0x(WidthNegative)/PeriodIVISCOPE_VAL_DUTY_CYCLE_POS—DutyCyclePositiveTheratiooftheWidthPositivetothePeriodofthefirstcycleinthewaveformexpressedasapercentage.DutyCyclePositive=100.0X(WidthPositive)/PeriodIVISCOPE_VAL_AMPLITUDE—AmplitudeTheVoltageHighlesstheVoltageLowinVoltsovertheentirewaveformIVISCOPE_VAL_OVERSHOOT—OvershootTherelativewaveformdistortionwhichfollowsanedgetransition.Itiscalculatedusingoneofthefollowingformulas:Fortherisingedge:
OVERSHOOT=((localmaximum-VoltageHigh)/Amplitude)*100%
wherethelocalmaximumisthemaximumvoltageofthesignalinthefirsthalfofthetimeperiodthatcommenceswhentherisingedgecrossesthehighreferencelevelandconcludeswhenthesubsequentfallingedgecrossesthehighreferencelevel.Forthefallingedge:
OVERSHOOT=((VoltageLow-localminimum)/Amplitude)*100%
wherethelocalminimumistheminimumvalueofthesignalmeasuredinthefirsthalfofthetimeperiodthatcommenceswhenthefallingedgecrossesthelowreferencelevelandconcludes
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whenthesubsequentrisingedgecrossesthelowreferencelevel.Theinstrumentmakesthemeasurementontheedgeclosesttothebeginningofthewaveformrecord.IVISCOPE_VAL_PRESHOOT—PreshootTherelativewaveformdistortionwhichprecedesanedgetransition.Itiscalculatedusingoneofthefollowingformulas:Fortherisingedge:
PRESHOOT=((VoltageLow-localminimum)/Amplitude)*100%
wherethelocalminimumistheminimumvalueofthesignalmeasuredinthesecondhalfofthetimeperiodthatcommenceswhentheprecedingfallingedgecrossesthelowreferencelevelandconcludeswhentherisingedgecrossesthelowreferencelevel.Forthefallingedge:
PRESHOOT=((localmaximum-VoltageHigh)/Amplitude)*100%
wherethelocalmaximumisthemaximumvoltageofthesignalinthesecondhalfofthetimeperiodthatcommenceswhentheprecedingrisingedgecrossesthehighreferencelevelandconcludeswhenthefallingedgecrossesthehighreferencelevel.Theinstrumentmakesthemeasurementontheedgeclosesttothebeginningofthewaveformrecord.DefaultValue:IVISCOPE_VAL_RISE_TIME
NoteYoumustconfiguretheappropriatereferencelevelsbeforeyoucallthisVI.Youconfigurethelow,mid,andhighreferenceseitherbycallingtheIviScopeConfigureReferenceLevels[WM]VIorbysettingthefollowingproperties:IviScopeMeasurementHighReference[WM]IviScopeMeasurementLowReference[WM]IviScopeMeasurementMidReference[WM]errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.Usethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfrom
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otherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.measurementReturnsthemeasuredvalue.Units:TheunitsdependontheMeasurementFunctionyouselect,asshownbelow.RiseTime—secondsFallTime—secondsFrequency—hertzPeriod—secondsVoltageRMS—voltsVoltageRMS(Cycle)—voltsVoltageMax—voltsVoltageMin—voltsVoltageVpp—voltsVoltageHigh—voltsVoltageLow—voltsVoltageAvg.—voltsVoltageAvg.(Cycle)—voltsWidthNegative—secondsWidthPositive—secondsDutyCycleNegative—percentageDutyCyclePositive—percentageAmplitude—voltsOvershoot—percentagePreshoot—percentage
erroroutTheerroroutclusterpasseserrororwarninginformation
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outofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeGetChannelNameIviScopeBaseCapabilityGroupThisVIreturnsthespecificdriverdefinedchannelnamethatcorrespondstotheone-basedindexyouspecify.IfthevalueyoupassfortheIndexparameterislessthanoneorgreaterthanthevalueoftheChannelCountproperty,theVIreturnsanemptystringintheNameparameterandreturnsanerror.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeorIviScopeInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.index(1)Aone-basedindexthatdefineswhichnametoreturn.TheindexmustbelessthanorequaltotheClassPrefixChannelCountproperty.instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeorIviScopeInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
outputchannelnameReturnsthenameoftheChannelspecifiedbytheindexparameter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeInitiateAcquisitionIviScopeBaseCapabilityGroupThisVIinitiatesawaveformacquisition.AfteryoucallthisVI,theoscilloscopeleavestheIdlestateandwaitsforatrigger.TheoscilloscopeacquiresawaveformforeachchannelyouhaveenabledwiththeIviScopeConfigureChannelVI.
Notes
1. ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheIviScopeError-QueryVIattheconclusionofthesequence.
2. ThisVIperformsinterchangeabilitycheckingwhentheIviScopeInterchangeCheckpropertyissettoTRUE.UseNISpytoviewinterchangeabilitywarnings.Alternately,youmayusetheIviScopeGetNextInterchangeWarningVItoretrieveinterchangeabilitywarnings.Formoreinformationaboutinterchangeabilitychecking,refertothehelptextfortheIviScopeInterchangeCheckproperty.
3. TheclassdriverperformsasimulatedwaveformacquisitionwhenthisVIiscalledandtheIviScopeSimulatepropertyissettoTRUEandtheIviScopeUseSpecificSimulationpropertyissettoFALSE.Forinformationonhowtoconfigureasimulatedwaveform,refertoIviScopeSimulatorSetupDialogBox.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.Usethisinformationtodecideif
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anyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeIsInvalidWaveformElementIviScopeBaseCapabilityGroupAfterthereadandfetchwaveformVIsexecute,eachelementinthewaveformarraycontainseitheravoltageoravalueindicatingthattheoscilloscopecouldnotsampleavoltage.ThedriverusesanIEEE-definedNaN(NotaNumber)valuetomarkasinvalideachelementinthewaveformarrayforwhichtheoscilloscopecouldnotsampleavoltage.ThisVIdetermineswhetheravalueyoupassfromthewaveformarrayisinvalid.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.elementvaluePassoneofthevaluesfromthewaveformarrayreturnedbythereadandfetchwaveformVIs.ThedriverusesanIEEE-definedNaN(NotaNumber)valuetomarkasinvalideachelementinthewaveformarrayforwhichtheoscilloscopecouldnotsampleavoltage.Thedriverdetermineswhetherthevalueyoupassisinvalid.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.isinvalidReturnswhethertheElementValueisavalidvoltageoravalueindicatingthattheoscilloscopecouldnotsampleavoltage.
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ValidReturnValues:TRUE(1)—TheElementValueindicatesthattheoscilloscopecouldnotsamplethevoltage.FALSE(0)—TheElementValueisavalidvoltage.
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeReadMinMaxWaveformIviScopeMinMaxWaveformCapabilityGroup[MmW]ThisVIinitiatesanacquisitiononallchannelsthatyouenablewiththeIviScopeConfigureChannelVI.IfthechannelyouspecifyintheChannelNameparameterisnotenabledfortheacquisition,thisVIreturnstheIVISCOPE_ERROR_CHANNEL_NOT_ENABLEDerror.Itthenwaitsfortheacquisitiontocompleteandreturnsthemin/maxwaveformsforthechannelyouspecify.IftheoscilloscopedidnotcompletetheacquisitionwithinthetimeperiodyouspecifywiththeMaximumTimeparameter,theVIreturnstheIVISCOPE_ERROR_MAX_TIME_EXCEEDEDerror.YoucalltheIviScopeFetchMinMaxWaveform[MmW]VItoobtainthewaveformsforeachoftheremainingenabledchannelswithoutinitiatinganotheracquisition.
Notes
1. UsethisVItoreadwaveformswhenyousettheacquisitiontypetoIVISCOPE_VAL_PEAK_DETECTorIVISCOPE_VAL_ENVELOPE.Iftheacquisitiontypeisnotoneofthelistedtypes,theVIreturnstheIVISCOPE_ERROR_INVALID_ACQ_TYPEerror.
2. AfterthisVIexecutes,eachelementintheMinWaveformArrayandMaxWaveformArrayparametersiseitheravoltageoravalueindicatingthattheoscilloscopecouldnotsampleavoltage.
3. YouconfiguretheinterpolationmethodtheoscilloscopeuseswiththeIviScopeIsInvalidWaveformElementVI.Ifyoudisableinterpolation,theoscilloscopedoesnotinterpolate
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pointsinthewaveform.Iftheoscilloscopecannotsampleavalueforapointinthewaveform,thedriversetsthecorrespondingelementintheWaveformArraytoanIEEE-definedNaN(NotaNumber)valueandtheVIreturnsIVISCOPE_WARN_INVALID_WFM_ELEMENT.
4. YoucantestawaveformvalueforaninvalidvalueconditionbycallingtheIviScopeIsInvalidWaveformElementVI.
5. ThisVIperformsinterchangeabilitycheckingwhentheIviScopeInterchangeCheckpropertyissettoTRUE.YouuseNISpytoviewinterchangeabilitywarnings.Alternately,youmayusetheIviScopeGetNextInterchangeWarningVItoretrieveinterchangeabilitywarnings.Formoreinformationaboutinterchangeabilitychecking,refertotheIviScopeInterchangeCheckproperty.
6. TheclassdriverreturnssimulatedminimumandmaximumwaveformswhenthisVIiscalledandtheIviScopeSimulatepropertyissettoTRUEandtheIviScopeUseSpecificSimulationpropertyissettoFALSE.Forinformationonhowtoconfigureasimulatedwaveform,refertoIviScopeSimulatorSetupDialogBox.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.channelnamePassthevirtualchannelnamethatyouassigntotheinstrumentinMAXfromwhichyouwanttoreadtheminimumandmaximumwaveforms.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:"CHANNEL1"
waveformsizePassthenumberofelementsintheMinWaveform
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ArrayandMaxWaveformArrayparameters.maximumtime(ms)Passthemaximumlengthoftimeinwhichtoallowthereadwaveformoperationtocomplete.Iftheoperationdoesnotcompletewithinthistimeinterval,theVIreturnstheIVISCOPE_ERROR_MAX_TIME_EXCEEDEDerrorcode.Whenthisoccurs,youcancallIviScopeAborttocancelthereadwaveformoperationandreturntheoscilloscopetotheIdlestate.Units:millisecondsDefinedValues:IVISCOPE_VAL_MAX_TIME_INFINITEIVISCOPE_VAL_MAX_TIME_IMMEDIATEDefaultValue:5000(ms)
NoteTheMaximumTimeparameterappliesonlytothisVI.Ithasnoeffectonothertimeoutparametersorproperties.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.minwaveformarrayReturnstheminimumwaveformthattheoscilloscopeacquires.Units:volts
Notes
1. YouconfiguretheinterpolationmethodtheoscilloscopeuseswiththeIviScopeIsInvalidWaveformElementVI.Ifyoudisableinterpolation,theoscilloscopedoesnotinterpolatepointsinthewaveform.Iftheoscilloscopecannotsampleavalueforapointinthewaveform,thedriversetsthe
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correspondingelementintheWaveformArraytoanIEEE-definedNaN(NotaNumber)valueandtheVIreturnstheIVISCOPE_WARN_INVALID_WFM_ELEMENTerror.
2. YoucantestawaveformvalueforaninvalidvalueconditionbycallingtheIviScopeIsInvalidWaveformElementVI.
maxwaveformarrayReturnsthemaximumwaveformthattheoscilloscopeacquires.Units:volts
Notes
1. YouconfiguretheinterpolationmethodtheoscilloscopeuseswiththeIviScopeIsInvalidWaveformElementVI.Ifyoudisableinterpolation,theoscilloscopedoesnotinterpolatepointsinthewaveform.Iftheoscilloscopecannotsampleavalueforapointinthewaveform,thedriversetsthecorrespondingelementintheWaveformArraytoanIEEE-definedNaN(NotaNumber)valueandtheVIreturnstheIVISCOPE_WARN_INVALID_WFM_ELEMENTerror.
2. YoucantestawaveformvalueforaninvalidvalueconditionbycallingtheIviScopeIsInvalidWaveformElementVI.
actualpointsIndicatesthenumberofpointstheVIplacesintheMinWaveformArrayandMaxWaveformArrayparameters.initialxIndicatesthetimeofthefirstpointintheMinWaveformArrayandMaxWaveformArray.Thetimeisrelativetothetriggerevent.Units:secondsForexample,iftheoscilloscopeacquiresthefirstpointinthewaveforms1secondbeforethetrigger,thisparameterreturnsthevalue–1.0.Iftheacquisitionofthefirstpointoccursatthesametimeasthetrigger,thisparameterreturnsthevalue0.0.
xincrementIndicatesthelengthoftimebetweenpointsintheMinandMaxWaveformArrays.Units:seconds
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erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeReadWaveformIviScopeBaseCapabilityGroupThisVIinitiatesanacquisitiononallchannelsthatyouenablewiththeIviScopeConfigureChannelVI.IfthechannelyouspecifyintheChannelNameparameterisnotenabledfortheacquisition,thisVIreturnstheIVISCOPE_ERROR_CHANNEL_NOT_ENABLEDerror.Itthenwaitsfortheacquisitiontocompleteandreturnsthewaveformforthechannelyouspecify.IftheoscilloscopedidnotcompletetheacquisitionwithinthetimeperiodyouspecifywiththeMaximumTimeparameter,theVIreturnstheIVISCOPE_ERROR_MAX_TIME_EXCEEDEDerror.YoucalltheIviScopeFetchWaveformVItoobtainthewaveformsforeachoftheremainingenabledchannelswithoutinitiatinganotheracquisition.
Notes
1. UsethisVItoreadwaveformswhenyousettheacquisitionmodetoIVISCOPE_VAL_NORMAL,IVISCOPE_VAL_HI_RES,orIVISCOPE_VAL_AVERAGE.Iftheacquisitiontypeisnotoneofthelistedtypes,theVIreturnstheIVISCOPE_ERROR_INVALID_ACQ_TYPEerror.
2. AfterthisVIexecutes,eachelementintheWaveformArrayparameteriseitheravoltageoravalueindicatingthattheoscilloscopecouldnotsampleavoltage.
3. YouconfiguretheinterpolationmethodtheoscilloscopeuseswiththeIviScopeIsInvalidWaveformElementVI.Ifyoudisableinterpolation,theoscilloscopedoesnotinterpolatepointsinthewaveform.Iftheoscilloscopecannotsampleavalueforapointinthewaveform,thedriversetsthecorrespondingelementintheWaveformArraytoanIEEE-definedNaN(NotaNumber)valueandtheVIreturnsthe
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IVISCOPE_WARN_INVALID_WFM_ELEMENTerror.4. Youcantestawaveformvalueforaninvalidvalueconditionby
callingtheIviScopeIsInvalidWaveformElementVI.5. ThisVIperformsinterchangeabilitycheckingwhenthe
IviScopeInterchangeCheckpropertyissettoTRUE.UseNISpytoviewinterchangeabilitywarnings.Alternately,youmayusetheIviScopeGetNextInterchangeWarningVItoretrieveinterchangeabilitywarnings.Formoreinformationaboutinterchangeabilitychecking,refertotheIviScopeInterchangeCheckproperty.
6. TheclassdriverreturnssimulatedminimumandmaximumwaveformswhenthisVIiscalledandtheIviScopeSimulatepropertyissettoTRUEandtheIviScopeUseSpecificSimulationpropertyissettoFALSE.Forinformationonhowtoconfigureasimulatedwaveform,refertoIviScopeSimulatorSetupDialogBox.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.channelnamePassthevirtualchannelnamethatyouassigntotheinstrumentinMAXfromwhichyouwanttoreadawaveform.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:""
waveformsizePassthenumberofelementsintheWaveformArrayparameter.maximumtime(ms)Passthemaximumlengthoftimeinwhichtoallowthereadwaveformoperationtocomplete.Iftheoperationdoesnotcompletewithinthistimeinterval,theVIreturnstheIVISCOPE_ERROR_MAX_TIME_EXCEEDEDerror.
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Whenthisoccurs,youcancallIviScopeAborttocancelthereadwaveformoperationandreturntheoscilloscopetotheIdlestate.Units:millisecondsDefinedValues:IVISCOPE_VAL_MAX_TIME_INFINITEIVISCOPE_VAL_MAX_TIME_IMMEDIATEDefaultValue:5000(ms)
NoteTheMaximumTimeparameterappliesonlytothisVI.Ithasnoeffectonothertimeoutparametersorproperties.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.waveformarrayReturnsthewaveformthattheoscilloscopeacquires.Units:volts
Notes
1. YouconfiguretheinterpolationmethodtheoscilloscopeuseswiththeIviScopeIsInvalidWaveformElementVI.Ifyoudisableinterpolation,theoscilloscopedoesnotinterpolatepointsinthewaveform.Iftheoscilloscopecannotsampleavalueforapointinthewaveform,thedriversetsthecorrespondingelementintheWaveformArraytoanIEEE-definedNaN(NotaNumber)valueandtheVIreturnstheIVISCOPE_WARN_INVALID_WFM_ELEMENTerror.
2. YoucantestawaveformvalueforaninvalidvalueconditionbycallingtheIviScopeIsInvalidWaveformElementVI.
actualpointsIndicatesthenumberofpointstheVIplacesinthe
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WaveformArrayparameter.initialxIndicatesthetimeofthefirstpointintheWaveformArray.Thetimeisrelativetothetriggerevent.Forexample,iftheoscilloscopeacquiresthefirstpointintheWaveformArray1secondbeforethetrigger,thisparameterreturnsthevalue–1.0.Iftheacquisitionofthefirstpointoccursatthesametimeasthetrigger,thisparameterreturnsthevalue0.0.Units:seconds
xincrementIndicatesthelengthoftimebetweenpointsintheWaveformArray.Units:seconds
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopeReadWaveformMeasurementIviScopeWaveformMeasCapabilityGroup[WM]ThisVIinitiatesanacquisitiononallchannelsthatyouenablewiththeIviScopeConfigureChannelVI.IfthechannelyouspecifyintheChannelNameparameterisnotenabledfortheacquisition,thisVIreturnstheIVISCOPE_ERROR_CHANNEL_NOT_ENABLEDerror.Itthenwaitsfortheacquisitiontocompleteandreturnsthewaveformmeasurementforthechannelyouspecify.IftheoscilloscopedidnotcompletetheacquisitionwithinthetimeperiodyouspecifywiththeMaximumTimeparameter,theVIreturnstheIVISCOPE_ERROR_MAX_TIME_EXCEEDEDerror.YoucalltheIviScopeFetchWaveformMeasurement[WM]VItoobtainanyotherwaveformmeasurementonaspecificchannelwithoutinitiatinganotheracquisition.
Notes
1. YoumustconfiguretheappropriatereferencelevelsbeforeyoucallthisVI.Youconfigurethelow,mid,andhighreferenceseitherbycallingtheIviScopeConfigureReferenceLevels[WM]VIorbysettingthefollowingproperties:IviScopeMeasurementHighReference[WM]IviScopeMeasurementLowReference[WM]IviScopeMeasurementMidReference[WM]
2. ThisVIperformsinterchangeabilitycheckingwhentheIviScopeInterchangeCheckpropertyissettoTRUE.UseNISpytoviewinterchangeabilitywarnings.Alternately,youmayusetheIviScopeGetNextInterchangeWarningVItoretrieve
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interchangeabilitywarnings.Formoreinformationaboutinterchangeabilitychecking,refertotheIviScopeInterchangeCheckproperty.
3. TheclassdriverreturnssimulatedminimumandmaximumwaveformswhenthisVIiscalledandtheIviScopeSimulatepropertyissettoTRUEandtheIviScopeUseSpecificSimulationpropertyissettoFALSE.Forinformationonhowtoconfigureasimulatedwaveform,refertoIviScopeSimulatorSetupDialogBox.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.channelnamePassthevirtualchannelnamethatyouassigntotheinstrumentinMAXfromwhichyouwanttoreadawaveformmeasurement.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelinMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:""
measurementfunctionPassthewaveformmeasurementyouwanttheoscilloscopetoperform.Definedvalues:IVISCOPE_VAL_RISE_TIME—RiseTimeThelengthoftimeforthefirstrisingedgeofthesignaltorisefromthelowreferenceleveltothehighreferencelevel.IVISCOPE_VAL_FALL_TIME—FallTimeThelengthoftimeforthefirstfallingedgeofthesignaltofallfromthehighreferenceleveltothelowreferencelevel.IVISCOPE_VAL_FREQUENCY—FrequencyThefrequencyofonecompletecycleinthewaveform.
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IVISCOPE_VAL_PERIOD—PeriodThelengthoftimeofonecompletecycleinthewaveform.IVISCOPE_VAL_VOLTAGE_RMS—VoltageRMSThetrueRootMeanSquarevoltageoftheentirewaveform.IVISCOPE_VAL_VOLTAGE_CYCLE_RMS—VoltageRMS(Cycle)ThetrueRootMeanSquarevoltageoverthefirstcycleinthewaveform.IVISCOPE_VAL_VOLTAGE_MAX—VoltageMaxThemaximumamplitudefoundintheentirewaveform.IVISCOPE_VAL_VOLTAGE_MIN—VoltageMinTheminimumamplitudefoundintheentirewaveform.IVISCOPE_VAL_VOLTAGE_PEAK_TO_PEAK—VoltageVppTheabsolutedifferencebetweentheVoltageMaxandtheVoltageMin.IVISCOPE_VAL_VOLTAGE_HIGH—VoltageHighThevoltagethatcorrespondsto100%whenyouusethereferencelevels.Theoscilloscopecalculatesthisvalueusingeitherthemin/maxorhistogrammethods.Themin/maxmethodusesthemaximumvaluefound.Thehistogrammethodusesthemostcommonvaluefoundabovethemiddleofthewaveform.IVISCOPE_VAL_VOLTAGE_LOW—VoltageLowThevoltagethatcorrespondsto0%whenyouusethereferencelevels.Theoscilloscopecalculatesthisvalueusingeitherthemin/maxorhistogrammethods.Themin/maxmethodusestheminimumvaluefound.Thehistogrammethodusesthemostcommonvaluefoundbelowthemiddleofthewaveform.IVISCOPE_VAL_VOLTAGE_AVERAGE—VoltageAvg.Thearithmeticaverageamplitudeoftheentirewaveform.IVISCOPE_VAL_VOLTAGE_CYCLE_AVERAGE—VoltageAvg.(Cycle)Thearithmeticaverageamplitudeofthefirstcycleinthewaveform.IVISCOPE_VAL_WIDTH_NEG—WidthNegativeThelengthoftimebetweenthemidreferencelevelpointsofthefirstnegativepulseinthewaveform.IVISCOPE_VAL_WIDTH_POS—WidthPositive
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Thelengthoftimebetweenthemidreferencelevelpointsofthefirstpositivepulseinthewaveform.IVISCOPE_VAL_DUTY_CYCLE_NEG—DutyCycleNegativeTheratiooftheWidthNegativetothePeriodofthefirstcycleinthewaveformexpressedasapercentage.DutyCycleNegative=100.0x(WidthNegative)/PeriodIVISCOPE_VAL_DUTY_CYCLE_POS—DutyCyclePositiveTheratiooftheWidthPositivetothePeriodofthefirstcycleinthewaveformexpressedasapercentage.DutyCyclePositive=100.0X(WidthPositive)/PeriodIVISCOPE_VAL_AMPLITUDE—AmplitudeTheVoltageHighlesstheVoltageLowinVoltsovertheentirewaveform.IVISCOPE_VAL_OVERSHOOT—OvershootTherelativewaveformdistortionwhichfollowsanedgetransition.Itiscalculatedusingoneofthefollowingformulas:Fortherisingedge:
OVERSHOOT=((localmaximum-VoltageHigh)/Amplitude)*100%
wherethelocalmaximumisthemaximumvoltageofthesignalinthefirsthalfofthetimeperiodthatcommenceswhentherisingedgecrossesthehighreferencelevelandconcludeswhenthesubsequentfallingedgecrossesthehighreferencelevel.Forthefallingedge:
OVERSHOOT=((VoltageLow-localminimum)/Amplitude)*100%
wherethelocalminimumistheminimumvalueofthesignalmeasuredinthefirsthalfofthetimeperiodthatcommenceswhenthefallingedgecrossesthelowreferencelevelandconcludeswhenthesubsequentrisingedgecrossesthelowreferencelevel.Theinstrumentmakesthemeasurementontheedgeclosesttothebeginningofthewaveformrecord.IVISCOPE_VAL_PRESHOOT—PreshootTherelativewaveformdistortionwhichprecedesanedge
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transition.Itiscalculatedusingoneofthefollowingformulas:Fortherisingedge:PRESHOOT=((VoltageLow-localminimum)/Amplitude)*100%
wherethelocalminimumistheminimumvalueofthesignalmeasuredinthesecondhalfofthetimeperiodthatcommenceswhentheprecedingfallingedgecrossesthelowreferencelevelandconcludeswhentherisingedgecrossesthelowreferencelevel.Forthefallingedge:PRESHOOT=((localmaximum-VoltageHigh)/Amplitude)*100%
wherethelocalmaximumisthemaximumvoltageofthesignalinthesecondhalfofthetimeperiodthatcommenceswhentheprecedingrisingedgecrossesthehighreferencelevelandconcludeswhenthefallingedgecrossesthehighreferencelevel.Theinstrumentmakesthemeasurementontheedgeclosesttothebeginningofthewaveformrecord.DefaultValue:IVISCOPE_VAL_RISE_TIME
NoteYoumustconfiguretheappropriatereferencelevelsbeforeyoucallthisVI.Youconfigurethelow,mid,andhighreferenceseitherbycallingtheIviScopeConfigureReferenceLevels[WM]VIorbysettingthefollowingproperties:IviScopeMeasurementHighReference[WM]IviScopeMeasurementLowReference[WM]IviScopeMeasurementMidReference[WM]maximumtime(ms)Passthemaximumlengthoftimeinwhichtoallowthereadwaveformmeasurementoperationtocomplete.Iftheoperationdoesnotcompletewithinthistimeinterval,theVIreturnstheIVISCOPE_ERROR_MAX_TIME_EXCEEDEDerrorcode.Whenthisoccurs,youcancallIviScopeAborttocancelthereadwaveformoperationandreturntheoscilloscopetotheIdlestate.Units:milliseconds.DefinedValues:
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IVISCOPE_VAL_MAX_TIME_INFINITEIVISCOPE_VAL_MAX_TIME_IMMEDIATEDefaultValue:5000(ms)
NoteTheMaximumTimeparameterappliesonlytothisVI.Ithasnoeffectonothertimeoutparametersorproperties.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviScopeInitializeortheIviScopeInitializeWithOptionsVI.measurementReturnsthemeasuredvalue.UnitsTheunitsdependontheMeasurementFunctionyouselect,asshownbelow:RiseTime—secondsFallTime—secondsFrequency—hertzPeriod—secondsVoltageRMS—voltsVoltageRMS(Cycle)—voltsVoltageMax—voltsVoltageMin—voltsVoltageVpp—voltsVoltageHigh—voltsVoltageLow—voltsVoltageAvg.—voltsVoltageAvg.(Cycle)—voltsWidthNegative—seconds
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WidthPositive—secondsDutyCycleNegative—percentageDutyCyclePositive—percentageAmplitude—voltsOvershoot—percentagePreshoot—percentage
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviScopePropertiesExpandthisbooktoviewanalphabetizedlistofIviScopeproperties.
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IviScopeACLineTriggerSlope[AT]IviScopeAcLineTrigger[AT]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureACLineTriggerSlope
DescriptionSpecifiestheslopeofthezerocrossinguponwhichthescopetriggers.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_AC_LINE_TRIGGER.PropertyNodePathIviScope»Trigger»ACLineTriggering[AT]»ACLineTriggerSlope[AT]DefinedValuesIVISCOPE_VAL_AC_LINE_EITHERIVISCOPE_VAL_AC_LINE_POSITIVEIVISCOPE_VAL_AC_LINE_NEGATIVE
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IviScopeAcquisitionStartTimeIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureAcquisitionRecord
DescriptionThispropertiesspecifiesthelengthoftimefromthetriggereventtothefirstpointinthewaveformrecord.Theunitsareseconds.Ifthevalueispositive,thefirstpointinthewaveformrecordoccursafterthetriggerevent.Ifthevalueisnegative,thefirstpointinthewaveformrecordoccursbeforethetriggerevent.PropertyNodePathIviScope»Acquisition»AcquisitionStartTime
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IviScopeAcquisitionTypeIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureAcquisitionType
DescriptionSpecifieshowtheoscilloscopeacquiresdataandfillsthewaveformrecord.WhenyousetthispropertytoIVISCOPE_VAL_ENVELOPEorIVISCOPE_VAL_PEAK_DETECT,theoscilloscopeacquiresminimumandmaximumwaveforms.Toretrievetheminimumandmaximumwaveforms,usetheIviScopeReadMinMaxWaveform[MmW]andIviScopeFetchMinMaxWaveform[MmW]VIs.PropertyNodePathIviScope»Acquisition»AcquisitionTypeDefinedValuesIVISCOPE_VAL_NORMALIVISCOPE_VAL_PEAK_DETECTIVISCOPE_VAL_HI_RESIVISCOPE_VAL_ENVELOPEIVISCOPE_VAL_AVERAGE
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IviScopeChannelCountIviScopeBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO N/A None None
DescriptionReturnsthenumberofchannelsavailableontheinstrument.PropertyNodePathIviScope»InherentIVISettings»SpecificDriverCapabilities»ChannelCount
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IviScopeChannelEnabledIviScopeBasePropertyDataType Access Appliesto Coercion HighLevelVIs
R/W Channel None IviScopeConfigureChannel
DescriptionThischannel-basedpropertyspecifieswhethertheoscilloscopeacquiresawaveformforachannelwhenyoucalltheIviScopeInitiateAcquisition,IviScopeReadWaveform,IviScopeReadMinMaxWaveform[MmW],orIviScopeReadWaveformMeasurementVI.PropertyNodePathIviScope»Channel»ChannelEnabled
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IviScopeGlitchCondition[GT]IviScopeGlitchTrigger[GT]DataType
Access Appliesto
Coercion HighLevelVIs
R/W N/A None IviScopeConfigureGlitchTriggerSource
DescriptionSpecifiestheglitchconditionthattriggerstheoscilloscope.TheglitchtriggeroccurswhentheoscilloscopedetectsapulsewithawidthlessthanorgreaterthanthewidthvalueyouspecifywiththeIviScopeGlitchWidth[GT]property.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_GLITCH_TRIGGER.PropertyNodePathIviScope»Trigger»GlitchTriggering[GT]»GlitchCondition[GT]DefinedValuesIVISCOPE_VAL_GLITCH_LESS_THANIVISCOPE_VAL_GLITCH_GREATER_THAN
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IviScopeGlitchPolarity[GT]IviScopeGlitchTriggerProperty[GT]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureGlitchTriggerSource
DescriptionSpecifiesthepolarityoftheglitchthattriggerstheoscilloscope.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_GLITCH_TRIGGER.PropertyNodePathIviScope»Trigger»GlitchTriggering[GT]»GlitchPolarity[GT]DefinedValuesIVISCOPE_VAL_GLITCH_POSITIVEIVISCOPE_VAL_GLITCH_NEGATIVEIVISCOPE_VAL_GLITCH_EITHER
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IviScopeGlitchWidth[GT]IviScopeGlitchTriggerProperty[GT]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureGlitchTriggerSource
DescriptionSpecifiestheglitchwidth.Theunitsareseconds.Theoscilloscopetriggerswhenitdetectsapulsewithawidththatislessthanthevalueyouspecify.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_GLITCH_TRIGGER.PropertyNodePathIviScope»Trigger»GlitchTriggering[GT]»GlitchWidth[GT]
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IviScopeHorizontalMinimumNumberofPointsIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureAcquisitionRecord
DescriptionSpecifiestheminimumnumberofpointsyourequireinthewaveformrecordforeachchannel.Theinstrumentdriverusesthevalueyouspecifytoconfiguretherecordlengththattheoscilloscopeusesforwaveformacquisition.TheIviScopeHorizontalRecordLengthpropertyreturnstheactualrecordlength.PropertyNodePathIviScope»Acquisition»HorizontalMinimumNumberofPoints
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IviScopeHorizontalRecordLengthIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
RO N/A N/A IviScopeActualRecordLength
DescriptionReturnstheactualnumberofpointstheoscilloscopeacquiresforeachchannel.ThevalueisequaltoorgreaterthantheminimumnumberofpointsyouspecifyIviScopeHorizontalMinimumNumberofPointsproperty.
Allocatea arrayofthissizeorgreatertopassastheWaveformArrayparameteroftheIviScopeReadWaveformandIviScopeFetchWaveformVIs.
NoteOscilloscopesmayusedifferentsizerecordsdependingonthevaluespecifiedfortheIviScopeAcquisitionTypeproperty.
PropertyNodePathIviScope»Acquisition»HorizontalRecordLength
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IviScopeHorizontalSampleRateIviScopeBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO N/A N/A IviScopeActualSampleRate
DescriptionReturnstheeffectivedigitizingrateusingthecurrentconfiguration.Theunitsaresamplespersecond.PropertyNodePathIviScope»Acquisition»HorizontalSampleRate
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IviScopeHorizontalTimePerRecordIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A Up IviScopeConfigureAcquisitionRecord
DescriptionSpecifiesthelengthoftimeinsecondsthatcorrespondstotherecordlength.PropertyNodePathIviScope»Acquisition»HorizontalTimePerRecord
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IviScopeInitiateContinuous[CA]IviScopeContinuousAcquisitionPropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureInitiateContinuous
DescriptionSpecifieswhethertheoscilloscopecontinuouslyinitiateswaveformacquisition.IfyousetthispropertytoTRUE,theoscilloscopeimmediatelywaitsforanothertriggerafterthepreviouswaveformacquisitioniscomplete.SettingthispropertytoTRUEisusefulwhenyourequirecontinuousupdatesoftheoscilloscopedisplay.PropertyNodePathIviScope»Acquisition»InitiateContinuous[CA]
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IviScopeInputImpedanceIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W Channel None IviScopeConfigureChannelCharacteristics
DescriptionThischannel-basedpropertyspecifiestheinputimpedanceforthechannel.Theunitsareohms.PropertyNodePathIviScope»Channel»InputImpedance
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IviScopeInterpolation[I]IviScopeInterpolationProperty[I]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureInterpolation
DescriptionSpecifiestheinterpolationmethodtheoscilloscopeuseswhenitcannotsampleavoltageforeverypointinthewaveformrecord.PropertyNodePathIviScope»Acquisition»Interpolation[I]DefinedValuesIVISCOPE_VAL_NO_INTERPOLATIONIVISCOPE_VAL_SINE_XIVISCOPE_VAL_LINEAR
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IviScopeMaximumInputFrequencyIviScopeBasePropertyDataType
Access Appliesto
Coercion HighLevelVIs
R/W Channel Up IviScopeConfigureChannelCharacteristics
DescriptionThischannel-basedpropertyspecifiesthemaximuminputfrequencyofthechannel.Expressthisvalueasthefrequencyatwhichtheinputcircuitryattenuatestheinputsignalby3dB.Theunitsforthispropertyarehertz(Hz).PropertyNodePathIviScope»Channel»MaximumInputFrequency
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IviScopeMeasurementHighReference[WM]IviScopeMeasWaveformProperty[WM]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureReferenceLevels
DescriptionSpecifiesthehighreferencetheoscilloscopeusesforwaveformmeasurements.ThevalueisapercentageofthedifferencebetweentheVoltageHighandVoltageLow.TheoscilloscopecalculatestheVoltageHighandtheVoltageLowusingeitherthemin/maxorhistogrammethods.Themin/maxmethodusesthemaximumandminimumvaluesfound.Thehistogrammethodusesthemostcommonvaluesfoundaboveandbelowthemiddleofthewaveform.PropertyNodePathIviScope»WaveformMeasurement[WM]»MeasurementHighReference[WM]
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IviScopeMeasurementLowReferenceIviScopeMeasWaveformProperty[WM]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureReferenceLevels
DescriptionSpecifiesthelowreferencetheoscilloscopeusesforwaveformmeasurements.ThevalueisapercentageofthedifferencebetweentheVoltageHighandVoltageLow.TheoscilloscopecalculatestheVoltageHighandtheVoltageLowusingeitherthemin/maxorhistogrammethods.Themin/maxmethodusesthemaximumandminimumvaluesfound.Thehistogrammethodusesthemostcommonvaluesfoundaboveandbelowthemiddleofthewaveform.PropertyNodePathIviScope»WaveformMeasurement[WM]»MeasurementLowReference[WM]
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IviScopeMeasurementMidReference[WM]IviScopeMeasWaveformProperty[WM]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureReferenceLevels
DescriptionSpecifiesthemidreferencetheoscilloscopeusesforwaveformmeasurements.ThevalueisapercentageofthedifferencebetweentheVoltageHighandVoltageLow.TheoscilloscopecalculatestheVoltageHighandtheVoltageLowusingeitherthemin/maxorhistogrammethods.Themin/maxmethodusesthemaximumandminimumvaluesfound.Thehistogrammethodusesthemostcommonvaluesfoundaboveandbelowthemiddleofthewaveform.PropertyNodePathIviScope»WaveformMeasurement[WM]»MeasurementMidReference[WM]
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IviScopeNumberofAverages[AA]IviScopeAverageAcquisitionProperty[AA]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureNumberofAverages
DescriptionSpecifiesthenumberofwaveformtheoscilloscopeacquiresandaverages.Aftertheoscilloscopeacquiresasmanywaveformsasthispropertyspecifies,itreturnstotheIdlestate.ThispropertyaffectsinstrumentbehavioronlywhentheIviScopeAcquisitionTypepropertyissettoIVISCOPE_VAL_AVERAGE.PropertyNodePathIviScope»Acquisition»NumberofAverages[AA]
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IviScopeNumberofEnvelopes[MmW]IviScopeMinMaxWaveformProperty[MmW]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureNumberofEnvelopes
DescriptionWhenyousettheIviScopeAcquisitionTypepropertytoIVISCOPE_VAL_ENVELOPE,theoscilloscopeacquiresmultiplewaveforms.Aftereachwaveformacquisition,theoscilloscopekeepstheminimumandmaximumvaluesitfindsforeachpointinthewaveformrecord.Thispropertyspecifiesthenumberofwaveformstheoscilloscopeacquiresandanalyzestocreatetheminimumandmaximumwaveforms.Aftertheoscilloscopeacquiresasmanywaveformsasthispropertyspecifies,itreturnstotheIdlestate.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeAcquisitionTypepropertyissettoIVISCOPE_VAL_ENVELOPE.PropertyNodePathIviScope»Acquisition»NumberofEnvelopes[MmW]
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IviScopeProbeAttenuationIviScopeBasePropertyDataType Access Appliesto Coercion HighLevelVIs
R/W Channel None IviScopeConfigureChannel
DescriptionThischannel-basedpropertyspecifiesthescalingfactorbywhichtheprobeyouattachtothechannelattenuatestheinput.Forexample,whenyouusea10:1probe,setthispropertyto10.0.Thisdriverreservesnegativevaluestocontroltheoscilloscope'sautomaticprobesensecapability.SettingthispropertytoIVISCOPE_VAL_PROBE_SENSE_ONconfigurestheoscilloscopetosensetheattenuationoftheprobeautomatically.Afteryouenabletheautomaticprobesense,subsequentqueriesofthispropertyreturnthevalueIVISCOPE_VAL_PROBE_SENSE_ON.UsetheIviScopeProbeSenseValue[PAS]propertytoobtaintheactualprobeattenuation.Ifyousettheoscilloscopetosensetheprobeattenuationautomatically,theprobeattenuationvaluecanchangeatanytime.Whentheoscilloscopedetectsanewprobeattenuationvalue,othersettingsintheoscilloscopemightalsochange.Thedriverhasnowayofknowingwhenthesechangesoccur.Therefore,whenyouenabletheautomaticprobesensecapability,thisdriverdisablescachingforpropertiesthatdependontheprobeattenuation.ThesepropertiesincludeIviScopeVerticalRange,IviScopeVerticalOffset,andallthepropertiesthatconfiguretriggerlevels.Tomaximizeperformance,setthispropertytoamanualprobeattenuationsetting.Iftheoscilloscopeissettosensetheprobeattenuationautomatically,settingthispropertytoapositivevaluedisablestheautomaticprobesenseandconfigurestheoscilloscopetousethemanualprobeattenuationyouspecify.Ifyouuseamanualprobeattenuation,youmustsetthispropertytoreflectthenewprobeattenuationeachtimeyouattachadifferentprobe.PropertyNodePathIviScope»Channel»AttenuationDefinedValues
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IVISCOPE_VAL_PROBE_SENSE_ON
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IviScopeProbeSenseValueIviScopeProbeAutoSensePropertyDataType Access Applies
to Coercion HighLevelVIs
RO Channel N/A IviScopeAutoProbeSenseValue
DescriptionThischannel-basedpropertyreturnstheprobeattenuationvaluetheoscilloscopeautomaticallysenses.Ifyoudisabletheautomaticprobesensecapability,thispropertyreturnsthemanualprobeattenuationsetting.PropertyNodePathIviScope»Channel»ProbeSenseValue
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IviScopeRuntHighThreshold[RT]IviScopeRuntTriggerProperty[RT]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureRuntTriggerSource
DescriptionSpecifiesthehighthresholdtheoscilloscopeusesforrunttriggering.Theunitsarevolts.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_RUNT_TRIGGER.PropertyNodePathIviScope»Trigger»RuntTriggering[RT]»RuntHighThreshold[RT]
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IviScopeRuntLowThreshold[RT]IviScopeRuntTriggerProperty[RT]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureRuntTriggerSource
DescriptionSpecifiesthelowthresholdtheoscilloscopeusesforrunttriggering.Theunitsarevolts.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_RUNT_TRIGGER.PropertyNodePathIviScope»Trigger»RuntTriggering[RT]»RuntLowThreshold[RT]
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IviScopeRuntPolarity[RT]IviScopeRuntTriggerProperty[RT]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureRuntTriggerSource
DescriptionSpecifiesthepolarityoftheruntthattriggerstheoscilloscope.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_RUNT_TRIGGER.PropertyNodePathIviScope»Trigger»RuntTriggering[RT]»RuntPolarity[RT]DefinedValuesIVISCOPE_VAL_RUNT_POSITIVEIVISCOPE_VAL_RUNT_NEGATIVEIVISCOPE_VAL_RUNT_EITHER
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IviScopeSampleMode[SM]IviScopeSampleModePropertyDataType Access Appliesto Coercion HighLevelVIs
RO N/A N/A IviScopeActualSampleMode
DescriptionReturnsthesamplemodetheoscilloscopeiscurrentlyusing.PropertyNodePathIviScope»Acquisition»SampleMode[SM]DefinedValuesIVISCOPE_VAL_REAL_TIMEIVISCOPE_VAL_EQUIVALENT_TIME
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IviScopeTriggerCouplingIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureTriggerCoupling
DescriptionSpecifieshowtheoscilloscopecouplesthetriggersource.PropertyNodePathIviScope»Trigger»TriggerCouplingDefinedValuesIVISCOPE_VAL_ACIVISCOPE_VAL_DCIVISCOPE_VAL_HF_REJECTIVISCOPE_VAL_LF_REJECTIVISCOPE_VAL_NOISE_REJECT
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IviScopeTriggerHoldoffIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A SeeNoteBelow
IviScopeConfigureTrigger
NoteManyscopeshaveasmall,non-zerovalueastheminimumvalueforthisproperty.Toconfiguretheinstrumenttousetheshortesttriggerholdoff,youcanspecifyavalueofzeroforthisproperty.
DescriptionSpecifiesthelengthoftimetheoscilloscopewaitsafteritdetectsatriggeruntiltheoscilloscopeenablesthetriggersubsystemtodetectanothertrigger.Theunitsareseconds.TheIviScopeTriggerHoldoffpropertyaffectsinstrumentoperationonlywhentheoscilloscoperequiresmultipleacquisitionstobuildacompletewaveform.Theoscilloscoperequiresmultiplewaveformacquisitionswhenitusesequivalent-timesamplingorwhenyousettheIviScopeAcquisitionTypepropertytoIVISCOPE_VAL_ENVELOPEorIVISCOPE_VAL_AVERAGE.PropertyNodePathIviScope»Trigger»TriggerHoldoff
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IviScopeTriggerLevelIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureEdgeTriggerSourceIviScopeConfigureGlitchTriggerSourceIviScopeConfigureWidthTriggerSource
DescriptionSpecifiesthevoltagethresholdforthetriggersubsystem.Theunitsarevolts.ThispropertyaffectsinstrumentbehavioronlywhenyousettheIviScopeTriggerTypetoIVISCOPE_VAL_EDGE_TRIGGER,IVISCOPE_VAL_GLITCH_TRIGGER,orIVISCOPE_VAL_WIDTH_TRIGGER.PropertyNodePathIviScope»Trigger»TriggerLevel
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IviScopeTriggerModifier[TM]IviScopeTriggerModifierProperty[TM]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureTriggerModifier
DescriptionSpecifiesthetriggermodifier.Thetriggermodifierdeterminestheoscilloscope'sbehaviorintheabsenceofthetriggeryouconfigure.PropertyNodePathIviScope»Trigger»TriggerModifier[TM]DefinedValuesIVISCOPE_VAL_NO_TRIGGER_MODIVISCOPE_VAL_AUTOIVISCOPE_VAL_AUTO_LEVEL
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IviScopeTriggerSlopeIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureEdgeTriggerSource
DescriptionSpecifieswhetherarisingorafallingedgetriggerstheoscilloscope.ThispropertyeffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_EDGE_TRIGGER.PropertyNodePathIviScope»Trigger»TriggerSlopeDefinedValuesIVISCOPE_VAL_POSITIVEIVISCOPE_VAL_NEGATIVE
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IviScopeTriggerSourceIviScopeBasePropertyDataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureEdgeTriggerSourceIviScopeConfigureTVTriggerSourceIviScopeConfigureRuntTriggerSourceIviScopeConfigureGlitchTriggerSourceIviScopeConfigureWidthTriggerSource
DescriptionSpecifiesthesourcetheoscilloscopemonitorsforatrigger.Setthispropertytoachannelnameortooneofthedefinedvalues.PropertyNodePathIviScope»Trigger»TriggerSourceDefinedValuesIVISCOPE_VAL_EXTERNALIVISCOPE_VAL_TTL0IVISCOPE_VAL_TTL1IVISCOPE_VAL_TTL2IVISCOPE_VAL_TTL3IVISCOPE_VAL_TTL4IVISCOPE_VAL_TTL5IVISCOPE_VAL_TTL6IVISCOPE_VAL_TTL7IVISCOPE_VAL_ECL0
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IVISCOPE_VAL_ECL1IVISCOPE_VAL_PXI_STARIVISCOPE_VAL_RTSI_0IVISCOPE_VAL_RTSI_1IVISCOPE_VAL_RTSI_2IVISCOPE_VAL_RTSI_3IVISCOPE_VAL_RTSI_4IVISCOPE_VAL_RTSI_5IVISCOPE_VAL_RTSI_6
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IviScopeTriggerTypeIviScopeBasePropertyDataType Access Appliesto Coercion HighLevelVIs
R/W N/A None IviScopeConfigureTrigger
DescriptionThispropertyspecifiesthetriggertype.PropertyNodePathIviScope»Trigger»TriggerTypeDefinedValuesIVISCOPE_VAL_EDGE_TRIGGERIVISCOPE_VAL_WIDTH_TRIGGERIVISCOPE_VAL_RUNT_TRIGGERIVISCOPE_VAL_GLITCH_TRIGGERIVISCOPE_VAL_TV_TRIGGERIVISCOPE_VAL_IMMEDIATE_TRIGGERIVISCOPE_VAL_AC_LINE_TRIGGER
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IviScopeTVTriggerEvent[TV]IviScopeTVTriggerProperty[TV]DataType
Access Appliesto
Coercion HighLevelVIs
R/W N/A None IviScopeConfigureTVTriggerSource
DescriptionSpecifiestheeventonwhichtheoscilloscopetriggers.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_TV_TRIGGER.PropertyNodePathIviScope»Trigger»TVTriggering[TV]»TVTriggerEvent[TV]DefinedValuesIVISCOPE_VAL_TV_EVENT_FIELD1IVISCOPE_VAL_TV_EVENT_FIELD2IVISCOPE_VAL_TV_EVENT_ANY_FIELDIVISCOPE_VAL_TV_EVENT_ANY_LINEIVISCOPE_VAL_TV_EVENT_LINE_NUMBER
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IviScopeTVTriggerLineNumber[TV]IviScopeTVTriggerProperty[TV]DataType
Access Appliesto
Coercion HighLevelVIs
R/W N/A None IviScopeConfigureTVTriggerSource
DescriptionSpecifiesthelineonwhichtheoscilloscopetriggers.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_TV_TRIGGERandwhentheIviScopeTVTriggerEvent[TV]propertyissettoIVISCOPE_VAL_LINE_NUMBER.Thelinenumbersettingisindependentofthefield.Thismeansthattotriggeronthefirstlineofthesecondfield,youmustsetthispropertytothevalueof263(assumingthatfieldonehad262lines).PropertyNodePathIviScope»Trigger»TVTriggering[TV]»TVTriggerLineNumber[TV]
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IviScopeTVTriggerPolarity[TV]IviScopeTVTriggerProperty[TV]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureTVTriggerSource
DescriptionSpecifiesthepolarityoftheTVsignal.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_TV_TRIGGER.PropertyNodePathIviScope»Trigger»TVTriggering[TV]»TVTriggerPolarity[TV]DefinedValuesIVISCOPE_VAL_TV_POSITIVEIVISCOPE_VAL_TV_NEGATIVE
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IviScopeTVTriggerSignalFormat[TV]IviScopeTVTriggerProperty[TV]DataType
Access Appliesto
Coercion HighLevelVIs
R/W N/A None IviScopeConfigureTVTriggerSource
DescriptionSpecifiestheformatoftheTVsignalonwhichtheoscilloscopetriggers.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_TV_TRIGGER.PropertyNodePathIviScope»Trigger»TVTriggering[TV]»TVTriggerSignalFormat[TV]DefinedValuesIVISCOPE_VAL_NTSCIVISCOPE_VAL_PALIVISCOPE_VAL_SECAM
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IviScopeVerticalCouplingIviScopeBasePropertyDataType Access Appliesto Coercion HighLevelVIs
R/W Channel None IviScopeConfigureChannel
DescriptionThischannel-basedpropertyspecifieshowtheoscilloscopecouplestheinputsignalforthechannel.PropertyNodePathIviScope»Channel»VerticalCouplingDefinedValuesIVISCOPE_VAL_ACIVISCOPE_VAL_DCIVISCOPE_VAL_GND
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IviScopeVerticalOffsetIviScopeBasePropertyDataType Access Appliesto Coercion HighLevelVIs
R/W Channel None IviScopeConfigureChannel
DescriptionThischannel-basedpropertyspecifiesthelocationofthecenteroftherangethatyouspecifywiththeIviScopeVerticalRangeproperty.Expressthevalueinvoltsandwithrespecttoground.Forexample,toacquireasinewavethatspansbetween0.0and10.0V,setthispropertyto5.0V.PropertyNodePathIviScope»Channel»VerticalOffset
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IviScopeVerticalRangeIviScopeBasePropertyDataType Access Appliesto Coercion HighLevelVIs
R/W Channel Up IviScopeConfigureChannel
DescriptionThischannel-basedpropertyspecifiestheabsolutevalueoftheinputrangetheoscilloscopecanacquireforthechannel.Theunitsarevolts.Forexample,toacquireasinewavewhichspansbetween–5.0and5.0V,yousetthispropertyto10.0V.PropertyNodePathIviScope»Channel»VerticalRange
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IviScopeWidthCondition[WT]IviScopeWidthTriggerProperty[WT]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureWidthTriggerSource
DescriptionSpecifieswhetherapulsethatiswithinoroutsidethehighandlowthresholdstriggerstheoscilloscope.YouspecifythehighandlowthresholdswiththeIviScopeWidthHighThreshold[WT]andIviScopeWidthLowThreshold[WT]properties.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_WIDTH_TRIGGER.PropertyNodePathIviScope»TriggerSubsystem»WidthTriggering[WT]»WidthCondition[WT]DefinedValuesIVISCOPE_VAL_WIDTH_WITHINIVISCOPE_VAL_WIDTH_OUTSIDE
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IviScopeWidthHighThreshold[WT]IviScopeWidthTriggerProperty[WT]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureWidthTriggerSource
DescriptionSpecifiesthehighwidththresholdtime.Theunitsareseconds.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_WIDTH_TRIGGER.PropertyNodePathIviScope»Trigger»WidthTriggering[WT]»WidthHighThreshold[WT]
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IviScopeWidthLowThreshold[WT]IviScopeWidthTriggerProperty[WT]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureWidthTriggerSource
DescriptionSpecifiesthelowwidththresholdtime.Theunitsareseconds.ThispropertyaffectsinstrumentoperationonlywhentheIviScopeTriggerTypepropertyissettoIVISCOPE_VAL_WIDTH_TRIGGER.PropertyNodePathIviScope»Trigger»WidthTriggering[WT]»WidthLowThreshold[WT]
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IviScopeWidthPolarity[WT]IviScopeWidthTriggerProperty[WT]DataType Access Applies
to Coercion HighLevelVIs
R/W N/A None IviScopeConfigureWidthTriggerSource
DescriptionSpecifiesthepolarityofthepulsethattriggerstheoscilloscope.ThispropertyaffectsinstrumentoperationonlywhentheviScopeTriggerTypepropertyissettoIVISCOPE_VAL_WIDTH_TRIGGER.PropertyNodePathIviScope»Trigger»WidthTriggering[WT]»WidthPolarity[WT]DefinedValuesIVISCOPE_VAL_WIDTH_POSITIVEIVISCOPE_VAL_WIDTH_NEGATIVE
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IviScopeValuesExpandthisbooktoviewanalphabetizedlistofIviScopevalues.
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IVISCOPE_VAL_AC_LINE_EITHERConfigurestheoscilloscopetotriggeroneitherpositiveornegativeslopezerocrossingsofthenetworksupplyvoltage.DefinedValue:3
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IVISCOPE_VAL_AC_LINE_NEGATIVEConfigurestheoscilloscopetotriggeronnegativeslopezerocrossingsofthenetworksupplyvoltage.DefinedValue:2
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IVISCOPE_VAL_AC_LINE_POSITIVEConfigurestheoscilloscopetotriggeronpositiveslopezerocrossingsofthenetworksupplyvoltage.DefinedValue:1
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IVISCOPE_VAL_AC_LINE_TRIGGERConfigurestheoscilloscopeforAClinetriggering.AnACLinetriggeroccurswhentheoscilloscopedetectsapositivezerocrossing,negativezerocrossing,oroptionallyeitherpositiveornegativezerocrossingofthenetworksupplyvoltage.DefinedValue:7
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IVISCOPE_VAL_AC_TRIGGERTheoscilloscopeACcouplesthetriggersignal.DefinedValue:0
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IVISCOPE_VAL_AC_Trigger_CouplingTheoscilloscopeACcouplesthetriggersignal.DefinedValue:0
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IVISCOPE_VAL_AC_VERTICAL_COUPLINGTheoscilloscopeACcouplestheinputsignal.DefinedValue:0
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IVISCOPE_VAL_ACQ_COMPLETEDefinedValue:1
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IVISCOPE_VAL_ACQ_IN_PROGRESSDefinedValue:0
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IVISCOPE_VAL_ACQ_STATUS_UNKNOWNDefinedValue:-1
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IVISCOPE_VAL_AUTOTheoscilloscopeautomaticallytriggersiftheconfiguredtriggerdoesnotoccurwithintheoscilloscope'stimeoutperiod.DefinedValue:2
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IVISCOPE_VAL_AUTO_LEVELTheoscilloscopeadjuststhetriggerlevelifthetriggeryouspecifydoesnotoccurwithintheoscilloscope'stimeoutperiod.DefinedValue:3
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IVISCOPE_VAL_AVERAGEConfigurestheoscilloscopetoacquiremultiplewaveformsandcalculatetheaveragevalueforeachpointinthewaveformrecord.YouspecifythenumberofwaveformstoacquirewiththeIVISCOPE_ATTR_NUM_AVERAGESproperty.Theoscilloscopeusesreal-timeorequivalenttimesampling.DefinedValue:4
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IVISCOPE_VAL_DC_TRIGGERTheoscilloscopeDCcouplesthetriggersignal.DefinedValue:1
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IVISCOPE_VAL_DC_Trigger_CouplingTheoscilloscopeDCcouplesthetriggersignal.DefinedValue:1
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IVISCOPE_VAL_DC_VERTICAL_COUPLINGTheoscilloscopeDCcouplestheinputsignal.DefinedValue:1
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IVISCOPE_VAL_ECL0TheoscilloscopewaitsuntilitreceivesatriggerontheECL0line.DefinedValue:"VAL_ECL0"
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IVISCOPE_VAL_ECL1TheoscilloscopewaitsuntilitreceivesatriggerontheECL1line.DefinedValue:"VAL_ECL1"
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IVISCOPE_VAL_EDGE_TRIGGERConfigurestheoscilloscopeforedgetriggering.AnedgetriggeroccurswhenthetriggersignalpassesthroughthevoltagethresholdspecifiedbytheIVISCOPE_ATTR_TRIGGER_LEVELpropertyandhastheslopespecifiedbytheIVISCOPE_ATTR_TRIGGER_SLOPEproperty.DefinedValue:1
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IVISCOPE_VAL_ENVELOPESetstheoscilloscopetotheenvelopeacquisitionmode.Theoscilloscopeacquiresmultiplewaveformsandkeepstheminimumandmaximumvoltagesitacquiresforeachpointinthewaveformrecord.YouspecifythenumberofwaveformstheoscilloscopeacquireswiththeIVISCOPE_ATTR_NUM_ENVELOPESproperty.Theoscilloscopecanusereal-timeorequivalent-timesampling.DefinedValue:3
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IVISCOPE_VAL_EQUIVALENT_TIMEIndicatesthattheoscilloscopeisusingequivalenttimesampling.DefinedValue:1
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IVISCOPE_VAL_EXTERNALTheoscilloscopewaitsforatriggerontheexternaltriggerinput.DefinedValue:"VAL_EXTERNAL"
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IVISCOPE_VAL_GLITCH_EITHERTheoscilloscopetriggersoneitherapositiveornegativeglitch.DefinedValue:3
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IVISCOPE_VAL_GLITCH_GREATER_THANTheoscilloscopetriggerswhenthepulsewidthisgreaterthanthevalueyouspecifywiththeIVISCOPE_ATTR_GLITCH_WIDTHproperty.DefinedValue:2
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IVISCOPE_VAL_GLITCH_LESS_THANTheoscilloscopetriggerswhenthepulsewidthislessthanthevalueyouspecifywiththeIVISCOPE_ATTR_GLITCH_WIDTHattribute.DefinedValue:1
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IVISCOPE_VAL_GLITCH_NEGATIVETheoscilloscopetriggersonanegativeglitch.DefinedValue:2
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IVISCOPE_VAL_GLITCH_POSITIVETheoscilloscopetriggersonapositiveglitch.DefinedValue:1
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IVISCOPE_VAL_GLITCH_TRIGGERConfigurestheoscilloscopeforglitchtriggering.Aglitchtriggeroccurswhenthetriggersignalhasapulsewithawidththatislessthantheglitchwidth.YouspecifytheglitchwidthwiththeIVISCOPE_ATTR_GLITCH_WIDTHproperty.YouspecifythepolarityofthepulsewiththeIVISCOPE_ATTR_GLITCH_POLARITYproperty.ThetriggerdoesnotactuallyoccuruntiltheedgeofapulsethatcorrespondstotheglitchwidthandpolarityyouspecifycrossesthetriggerlevelthatyouspecifywiththeIVISCOPE_ATTR_TRIGGER_LEVELproperty.DefinedValue:4
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IVISCOPE_VAL_GNDTheoscilloscopegroundcouplestheinputsignal.DefinedValue:2
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IVISCOPE_VAL_HF_REJECTTheoscilloscopefiltersoutthelowfrequenciesfromthetriggersignal.DefinedValue:3
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IVISCOPE_VAL_HI_RESConfigurestheoscilloscopetooversampletheinputsignalTheoscilloscopecalculatestheaveragevaluethatcorrespondstoeachpositioninthewaveformrecord.Theoscilloscopeusesonlyreal-timesampling.DefinedValue:2
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IVISCOPE_VAL_IMMEDIATE_TRIGGERTheoscilloscopedoesnotwaitforatriggerofanykind.DefinedValue:6
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IVISCOPE_VAL_LF_REJECTTheoscilloscopefiltersoutthehighfrequenciesfromthetriggersignal.DefinedValue:4
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IVISCOPE_VAL_LINEARTheoscilloscopeusesalinearapproximationtointerpolateavaluewhenitcannotresolveavoltageinthewaveformrecord.DefinedValue:3
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IVISCOPE_VAL_MAX_TIME_IMMEDIATEThefunctionreturnsimmediately.Ifnovalidmeasurementvalueexists,thefunctionreturnsanerror.DefinedValue:0x0
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IVISCOPE_VAL_MAX_TIME_INFINITEThefunctionwaitsindefinitelyforthemeasurementtocomplete.DefinedValue:0xFFFFFFFFUL
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IVISCOPE_VAL_NEGATIVEAnegative(falling)edgepassingthroughthetriggerleveltriggerstheoscilloscope.DefinedValue:0
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IVISCOPE_VAL_NO_INTERPOLATIONTheoscilloscopedoesnotinterpolatepointsinthewaveform.Instead,thedriversetseveryelementinthewaveformarrayforwhichtheoscilloscopecannotresolveavaluetoanIEEE-definedNaN(NotaNumber)value.DefinedValue:1
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IVISCOPE_VAL_NO_TRIGGER_MODTheoscilloscopewaitsuntilthetriggeryouspecifyoccurs.DefinedValue:1
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IVISCOPE_VAL_NOISE_REJECTTheoscilloscopefiltersoutthenoisefromthetriggersignal.DefinedValue:5
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IVISCOPE_VAL_NORMALConfigurestheoscilloscopetoacquireonesampleforeachpointinthewaveformrecord.Theoscilloscopeusesreal-timeorequivalenttimesampling.DefinedValue:0
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IVISCOPE_VAL_NTSCSetstheTVtriggersignalformattoNTSC.DefinedValue:1
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IVISCOPE_VAL_PALSetstheTVtriggersignalformattoPAL.DefinedValue:2
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IVISCOPE_VAL_PEAK_DETECTSetstheoscilloscopetothepeak-detectacquisitionmode.Theoscilloscopeoversamplestheinputsignalandkeepstheminimumandmaximumvaluesthatcorrespondtoeachpositioninthewaveformrecord.Theoscilloscopeusesonlyreal-timesampling.DefinedValue:1
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IVISCOPE_VAL_POSITIVEApositive(rising)edgepassingthroughthetriggerleveltriggerstheoscilloscope.DefinedValue:1
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IVISCOPE_VAL_PROBE_SENSE_ONSettingthispropertytoIVISCOPE_VAL_PROBE_SENSE_ONconfigurestheoscilloscopetosensetheattenuationoftheprobeautomatically.Afteryouenabletheautomaticprobesense,subsequentqueriesofthispropertyreturnthevalueIVISCOPE_VAL_PROBE_SENSE_ON.UsetheIVISCOPE_ATTR_PROBE_SENSE_VALUEpropertytoobtaintheactualprobeattenuation.Ifyousettheoscilloscopetosensetheprobeattenuationautomatically,theprobeattenuationvaluecanchangeatanytime.Whentheoscilloscopedetectsanewprobeattenuationvalue,othersettingsintheoscilloscopemightalsochange.Thedriverhasnowayofknowingwhenthesechangesoccur.Therefore,whenyouenabletheautomaticprobesensecapability,thedriverdisablescachingforpropertiesthatdependontheprobeattenuation.ThesepropertiesincludeIVISCOPE_ATTR_VERTICAL_RANGE,IVISCOPE_ATTR_VERTICAL_OFFSET,andallthepropertiesthatconfiguretriggerlevels.Tomaximizeperformance,youshouldsetthispropertytoamanualprobeattenuationsetting.Iftheoscilloscopeissettosensetheprobeattenuationautomatically,settingthispropertytoapositivevaluedisablestheautomaticprobesenseandconfigurestheoscilloscopetousethemanualprobeattenuationyouspecify.DefinedValue:-1
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IVISCOPE_VAL_PXI_STARTheoscilloscopewaitsuntilitreceivesatriggeronthePXIStarbus.DefinedValue:"VAL_PXI_STAR"
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IVISCOPE_VAL_REAL_TIMEIndicatesthattheoscilloscopeisusingreal-timesampling.DefinedValue:0
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IVISCOPE_VAL_RTSI_0TheoscilloscopewaitsuntilitreceivesatriggerontheRTSI0line.DefinedValue:"VAL_RTSI_0"
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IVISCOPE_VAL_RTSI_1TheoscilloscopewaitsuntilitreceivesatriggerontheRTSI1line.DefinedValue:"VAL_RTSI_1"
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IVISCOPE_VAL_RTSI_2TheoscilloscopewaitsuntilitreceivesatriggerontheRTSI2line.DefinedValue:"VAL_RTSI_2"
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IVISCOPE_VAL_RTSI_3TheoscilloscopewaitsuntilitreceivesatriggerontheRTSI3line.DefinedValue:"VAL_RTSI_3"
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IVISCOPE_VAL_RTSI_4TheoscilloscopewaitsuntilitreceivesatriggerontheRTSI4line.DefinedValue:"VAL_RTSI_4"
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IVISCOPE_VAL_RTSI_5TheoscilloscopewaitsuntilitreceivesatriggerontheRTSI5line.DefinedValue:"VAL_RTSI_5"
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IVISCOPE_VAL_RTSI_6TheoscilloscopewaitsuntilitreceivesatriggerontheRTSI6line.DefinedValue:"VAL_RTSI_6"
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IVISCOPE_VAL_RUNT_EITHERTheoscilloscopetriggersoneitherapositiveornegativerunt.DefinedValue:3
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IVISCOPE_VAL_RUNT_NEGATIVETheoscilloscopetriggersonanegativerunt.Anegativeruntoccurswhenafallingedgecrossesthehighruntthresholdanddoesnotcrossthelowruntthresholdbeforere-crossingthehighruntthreshold.DefinedValue:2
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IVISCOPE_VAL_RUNT_POSITIVETheoscilloscopetriggersonapositiverunt.Apositiveruntoccurswhenarisingedgecrossesthelowruntthresholdanddoesnotcrossthehighruntthresholdbeforere-crossingthelowruntthreshold.DefinedValue:1
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IVISCOPE_VAL_RUNT_TRIGGERConfigurestheoscilloscopeforrunttriggering.Arunttriggeroccurswhenthetriggersignalcrossesoneoftheruntthresholdstwicewithoutcrossingtheotherruntthreshold.YouspecifytheruntthresholdswiththeIVISCOPE_ATTR_RUNT_HIGH_THRESHOLDandIVISCOPE_ATTR_RUNT_LOW_THRESHOLDproperties.YouspecifythepolarityoftheruntwiththeIVISCOPE_ATTR_RUNT_POLARITYproperties.DefinedValue:3
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IVISCOPE_VAL_SECAMSetstheTVtriggersignalformattoSECAM.DefinedValue:3
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IVISCOPE_VAL_SINE_XTheoscilloscopeusesasine(x)/xcalculationtointerpolateavaluewhenitcannotresolveavoltageinthewaveformrecord.DefinedValue:2
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IVISCOPE_VAL_TTL0TheoscilloscopewaitsuntilitreceivesatriggerontheTLL0line.DefinedValue:"VAL_TTL0"
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IVISCOPE_VAL_TTL1TheoscilloscopewaitsuntilitreceivesatriggerontheTLL1line.DefinedValue:"VAL_TTL1"
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IVISCOPE_VAL_TTL2TheoscilloscopewaitsuntilitreceivesatriggerontheTLL2line.DefinedValue:"VAL_TTL2"
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IVISCOPE_VAL_TTL3TheoscilloscopewaitsuntilitreceivesatriggerontheTLL3line.DefinedValue:"VAL_TTL3"
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IVISCOPE_VAL_TTL4TheoscilloscopewaitsuntilitreceivesatriggerontheTLL4line.DefinedValue:"VAL_TTL4"
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IVISCOPE_VAL_TTL5TheoscilloscopewaitsuntilitreceivesatriggerontheTLL5line.DefinedValue:"VAL_TTL5"
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IVISCOPE_VAL_TTL6TheoscilloscopewaitsuntilitreceivesatriggerontheTLL6line.DefinedValue:"VAL_TTL6"
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IVISCOPE_VAL_TTL7TheoscilloscopewaitsuntilitreceivesatriggerontheTLL7line.DefinedValue:"VAL_TTL7"
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IVISCOPE_VAL_TV_EVENT_ANY_FIELDSetstheoscilloscopetotriggeronanyfield.DefinedValue:3
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IVISCOPE_VAL_TV_EVENT_ANY_LINESetstheoscilloscopetotriggeronanyline.DefinedValue:4
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IVISCOPE_VAL_TV_EVENT_FIELD1Setstheoscilloscopetotriggeronfield1ofthevideosignal.DefinedValue:1
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IVISCOPE_VAL_TV_EVENT_FIELD2Setstheoscilloscopetotriggeronfield2ofthevideosignal.DefinedValue:2
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IVISCOPE_VAL_TV_EVENT_LINE_NUMBERSetstheoscilloscopetotriggeronaspecificlinenumberyouspecifywiththeIVISCOPE_ATTR_TV_TRIGGER_LINE_NUMBERproperty.DefinedValue:5
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IVISCOPE_VAL_TV_FIELD1Field1ofthevideosignal.DefinedValue:1
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IVISCOPE_VAL_TV_FIELD2Field2ofthevideosignal.DefinedValue:2
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IVISCOPE_VAL_TV_NEGATIVENegativevideosyncpulse.DefinedValue:2
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IVISCOPE_VAL_TV_POSITIVEPositivevideosyncpulse.DefinedValue:1
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IVISCOPE_VAL_TV_TRIGGERConfigurestheoscilloscopetotriggeronTVsignals.YouconfigurethetriggerwiththeIVISCOPE_TV_TRIGGER_SIGNAL_FORMAT,IVISCOPE_TV_TRIGGER_LINE_NUMBER,andIVISCOPE_ATTR_TV_TRIGGER_POLARITYproperties.DefinedValue:5
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IVISCOPE_VAL_WIDTH_NEGATIVEConfigurestheoscilloscopetotriggeronnegativepulsesthathaveawidththatmeetstheconditionyouspecifywiththeIVISCOPE_ATTR_WIDTH_CONDITIONproperty.DefinedValue:2
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IVISCOPE_VAL_WIDTH_OUTSIDEConfigurestheoscilloscopetotriggeronpulsesthathaveawidththatiseithergreaterthanthehighthresholdorlessthanalowthreshold.YouspecifythehighandlowthresholdswiththeIVISCOPE_ATTR_WIDTH_HIGH_THRESHOLDandIVISCOPE_ATTR_WIDTH_LOW_THRESHOLDproperties.DefinedValue:2
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IVISCOPE_VAL_WIDTH_POSITIVEConfigurestheoscilloscopetotriggeronpositivepulsesthathaveawidththatmeetstheconditionyouspecifywiththeIVISCOPE_ATTR_WIDTH_CONDITIONproperty.DefinedValue:1
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IVISCOPE_VAL_WIDTH_TRIGGERConfigurestheoscilloscopeforwidthtriggering.Awidthtriggeroccurswhentheoscilloscopedetectsapositiveornegativepulsewithawidthbetween,oroptionallyoutside,thewidththresholds.YouspecifythewidththresholdswiththeIVISCOPE_ATTR_WIDTH_HIGH_THRESHOLDandIVISCOPE_ATTR_WIDTH_LOW_THRESHOLDproperties.YouspecifywhethertheoscilloscopetriggersonpulsewidthsthatarewithinoroutsidethewidththresholdswiththeIVISCOPE_ATTR_WIDTH_CONDITIONproperty.YouspecifythepolarityofthepulsewiththeIVISCOPE_ATTR_WIDTH_POLARITYproperty.Thetriggerdoesnotactuallyoccuruntiltheedgeofapulsethatcorrespondstothewidththresholds,widthcondition,andpolarityyouspecifycrossesthetriggerlevelthatyouspecifywiththeIVISCOPE_ATTR_TRIGGER_LEVELproperty.DefinedValue:2
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IVISCOPE_VAL_WIDTH_WITHINConfigurestheoscilloscopetotriggeronpulsesthathaveawidththatislessthanthehighthresholdandgreaterthanthelowthreshold.YouspecifythehighandlowthresholdswiththeIVISCOPE_ATTR_WIDTH_HIGH_THRESHOLDandIVISCOPE_ATTR_WIDTH_LOW_THRESHOLDproperties.DefinedValue:1
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PropertiesforControllingIviScopeSimulationNoteYoucansetSimulationAttributesinMAXontheInitialSettingstabofIVIDrivers»Advanced»SimulationDriverSessions»nisIviClassorinthesimulationinteractivepanels.RefertoNationalInstrumentsIVIDriverHelp»ConfiguringYourSystemformoreinformation.
TwosetsofpropertiesexistforusewiththeIviScopeSimulationDriver.Thefollowingtabledescribespropertiesthatcontrolbehaviorofthedriver.Anothertablelistspropertiesthatsimulatethestatusofspecificdriverfunctions.AnIviScopeSimulatorSetupDialogBoxexiststohelpyouconfigurethemeasurementsimulationfortheIviScopeSimulatordriver.
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PropertiesforControllingIviScopeSimulationName Data
TypeAccess Applies
toDescription
INTERACTIVE_SIMULATION Boolean W No Specifieswhethertosetthedrivertointeractivemode.Ininteractivemode,thesimulationdriverusespop-upuserinterfacepanelsforgettinginformationfromyou.Non-interactivemodeisusefulwhenyoudonotwanttheinteractivepanelstointerruptyourtestprogram.
SELF_TEST_CODE Integer W No Specifiestheself-testcode.WhentheIviScopeSelf-Testiscalled,theself-testresultparameterreturnsthisvalue.
SELF_TEST_MSG String W No Specifiestheself-testmessage.WhentheIviScopeSelf-TestVIiscalled,thetestmessageparameterreturnsthisstring.
ERROR_QUERY_CODE Integer W No Specifiestheerror-querycode.WhentheIviScopeError-QueryVIiscalled,thequerycodeparameterreturnsthisvalue.
ERROR_QUERY_MSG String W No Specifiestheerror-querymessage.WhentheIviScopeError-QueryVIiscalled,theerrormessagereturnsthisstring.
DRIVER_REV_QUERY String W No Specifiestheinstrumentdriverrevisionmessage.WhentheIviScopeRevisionQuerycalled,theinstrumentdriver
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revisionparameterreturnsthisstring.
INSTR_REV_QUERY String W No Specifiesthefirmwarerevisionmessage.WhentheIviScoopeRevisionQueryVIiscalled,thefirmwarerevisionparameterreturnsthisstring.
WAVEFORM Int32 W Yes Specifiesthewaveformtosimulateattheselectedchannel.DefinedValues:1—Sine2—Square3—Triangle4—Ramp-up5—Ramp-down6—DC
FREQUENCY Real64 W Yes Specifiesthefrequencyofthewaveformtosimulateattheselectedchannel.ThispropertydoesnotaffectsimulationbehaviorwhentheNISSCOPE_ATTR_WAVEFORMpropertyissetto6(DC).ValidRange:100.0to15.0E6Hz
AMPLITUDE Real64 W Yes Specifiesthepeak-to-peakamplitudeofthewaveformtosimulateattheselectedchannel.ThispropertydoesnotaffectsimulationbehaviorwhentheNISSCOPE_ATTR_WAVEFORMpropertyissetto6(DC).ValidRange:50.0E-3to10.0V
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DC_OFFSET Real64 W Yes SpecifiestheDCoffsetofthewaveformtosimulateattheselectedchannel.ValidRange:-5.0to5.0V
DUTY_CYCLE Real64 W Yes Specifiesthedutycycletosimulateforasquarewaveformattheselectedchannel.ThispropertyaffectssimulationbehavioronlywhentheNISSCOPE_ATTR_WAVEFORMpropertyissetto2(Square).ValidRange:20.0to80.0percent
PHASE_SHIFT Real64 W Yes Specifiesthestartphaseshifttosimulateforawaveformattheselectedchannel.ThispropertydoesnotaffectsimulationbehaviorwhentheNISSCOPE_ATTR_WAVEFORMpropertyissetto6(DC).ValidRange:0.0to360.0degrees
SNR Real64 W Yes Specifiesthesignal-to-noiseratiotosimulateattheselectedchannel.Thesignal-to-noiseratiodeterminestheamountofnoisetosimulateduringwaveformacquisition.ValidRange:0.001to+inf
SIMULATE_STATUS_CODE Boolean W No SpecifieswhethertosimulatereturncodesfromtheIviScopedriverfunctions.RefertotheIviScopePropertiesforStatusSimulationtable.
RelatedTopicsSettingUpSimulatedErrors
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SettingUpSimulationforVXIplug&playVIs
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IviScopeSimulatorSetupDialogBoxTwosetsofpropertiesexistforusewiththeIviScopesimulationdriver.YouusethedialogboxshownbelowtoconfigurethemeasurementsimulationfortheIviScopesimulationdriver.Scrolldowntoseeadescriptionofeachcontrol.
AlwayspromptforoutputdatasimulationLeavingthiscontrolselectedcausesthepaneltoappearateverysignalacquisitioneventinyourprogram.Allsimulatedacquisitionsintheprogramusethesamewaveformconfigurationinformation.Unselectingthiscontrolcausesthewaveformsimulationpaneltoneverappearagainduringthecourseofyourprogram.ChannelThiscontrolspecifiesthechannelforwhichyouwanttoconfigureasimulationwaveform.WaveformThiscontrolselectsthewaveformtouseforthesimulatedsignal.FrequencyThiscontrolselectsthefrequencyofthewaveformtosimulateattheselectedchannel.ThisvaluedoesnotaffectsimulationbehaviorwhenthewaveformissettoDC.ValidRange:100.0to15.0E6HzAmplitudeThiscontrolselectsthepeak-to-peakamplitudeofthewaveformtosimulateattheselectedchannel.ThisvaluedoesnotaffectsimulationbehaviorwhenthewaveformissettoDC.ValidRange:50.0E-3to10.0VppDCOffsetThiscontrolselectstheDCoffsetofthewaveformtosimulateattheselectedchannel.ValidRange:-5.0to5.0VPhaseShiftThiscontrolselectsthestartingphaseofthewaveformtosimulateattheselectedchannel.ThisvaluedoesnotaffectsimulationbehaviorwhenthewaveformissettoDC.ValidRange:0.0to360.0degrees
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SNRThiscontrolselectsthesignal-to-noiseratioofthesimulatedsignal.TheSNRdeterminestheamountofnoisetointroduceintothewaveformgeneration.Thisoptionallowsyoutosimulatelessthanperfectwaveforms.ValidRange:0.001to+inf
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PropertiesforStatusSimulationinIviScopeWhenanIviScopedriverfunctioniscalled,thedriverquerieswhetherNISSCOPE_ATTR_SIMULATE_STATUS_CODEisenabled.Ifenabled,thedrivergetstheappropriatefunction'ssimulationstatuscode.Ifthevalueofthesimulationstatuscoderepresentsawarning(hasapositivevalue),thenitisreturnasthefunction'sreturnstatusonlyifnoothererrororwarningoccurredbeforethefunctionends.Ifthevalueofthesimulationstatuscoderepresentsanerror(hasanegativevalue),thenitisreturnedasthefunction'sreturnstatusonlyifnoothererroroccurredbeforethefunctionends.ThefollowingIviScopeVIsdonotsupportstatuscodesimulation:
IviScopeGetErrorIviScopeClearErrorIviScopeGetNextInterchangeWarningIviScopeResetNextInterchangeWarningIviScopeClearNextInterchangeWarningIviScopeGetNextCoercionRecord
EachVIsupportedbytheIviScopeclassdriverhasacorrespondingpropertythatdeterminesthestatuscodetoreturnwhenstatuscodesimulationisenabled.ThefollowinglistindicatesthestatuscodepropertiesandtheVIforwhichtheyreturnavalue.ThesepropertiesarealloftypeViInt32,non-readable,andnon-channelbased:
NoteInthefollowingtable,theliteralstringNISSCOPE_ATTR_precedesallpropertynames.
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IviScopePropertiesforStatusSimulationProperty VIINIT_STATUS IviScope
Initialize,IviScopeInitializeWithOptions
CLOSE_STATUS IviScopeCloseRESET_STATUS IviScopeResetSELF_TEST_STATUS IviScopeSelf-TestERROR_QUERY_STATUS IviScopeError-
QueryERROR_MESSAGE_STATUS IviScopeError
MessageREVISION_QUERY_STATUS IviScopeRevision
QueryRESET_DEFAULT_STATUS IviScopeReset
WithDefaultsDISABLE_STATUS IviScopeDisableINVALIDATE_STATUS IviScope
InvalidateAllAttributes
GET_CH_NAME_STATUS IviScopeGetChannelName
CONFIGURE_CHANNEL_STATUS IviScopeConfigureChannel
CONFIGURE_CHAN_CHARACTERISTICS_STATUS IviScopeConfigureChannelCharacteristics
CONFIGURE_ACQUISITION_TYPE_STATUS IviScopeConfigureAcquisitionType
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CONFIGURE_ACQUISITION_RECORD__STATUS IviScopeConfigureAcquisitionRecord
ACTUAL_RECORD_LENGTH_STATUS IviScopeActualRecordLength
CONFIGURE_TRIGGER_STATUS IviScopeConfigureTrigger
CONFIGURE_TRIGGER_COUPLING_STATUS IviScopeConfigureTriggerCoupling
CONFIGURE_EDGE_TRIGGER_SOURCE_STATUS IviScopeConfigureEdgeTriggerSource
READ_WAVEFORM_STATUS IviScopeReadWaveform
ABORT_STATUS IviScopeAbortINITIATE_ACQUISITION_STATUS IviScopeInitiate
AcquisitionACQUISITION_STATUS_STATUS IviScope
AcquisitionStatusFETCH_WAVEFORM_STATUS IviScopeFetch
WaveformIS_INVALID_WFM_ELEMENT_STATUS IviScopeIs
InvalidWaveformElement
CONFIGURE_TV_TRIGGER_SOURCE_STATUS IviScopeConfigureTVTriggerSource
CONFIGURE_TV_TRIGGER_LINE_NUMBER_STATUS IviScopeConfigureTVTriggerLineNumber
CONFIGURE_RUNT_TRIGGER_SOURCE_STATUS IviScopeConfigureRunt
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TriggerSourceCONFIGURE_GLITCH_TRIGGER_SOURCE_STATUS IviScope
ConfigureGlitchTriggerSource
CONFIGURE_WIDTH_TRIGGER_SOURCE_STATUS IviScopeConfigureWidthTriggerSource
CONFIGURE_AC_LINE_TRIGGER_SLOPE_STATUS IviScopeConfigureACLineTriggerSlope
CONFIGURE_TRIGGER_MODIFIER_STATUS IviScopeConfigureTriggerModifier
CONFIGURE_NUM_ENVELOPES_STATUS IviScopeConfigureNumberofEnvelopes
READ_MIN_MAX_WAVEFORM_STATUS IviScopeReadMinMaxWaveform
FETCH_MIN_MAX_WAVEFORM_STATUS IviScopeFetchMinMaxWaveform
CONFIGURE_REF_LEVELS_STATUS IviScopeConfigureReferenceLevels
READ_WAVEFORM_MEASUREMENT_STATUS IviScopeReadWaveformMeasurement
FETCH_WAVEFORM_MEASUREMENT_STATUS IviScopeFetchWaveformMeasurement
CONFIGURE_NUM_AVERAGES_STATUS IviScopeConfigure
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NumberofAverages
CONFIGURE_INITIATE_CONTINUOUS_STATUS IviScopeConfigureInitiateContinuous
CONFIGURE_INTERPOLATION_STATUS IviScopeConfigureInterpolation
SAMPLE_MODE_STATUS IviScopeActualSampleMode
SAMPLE_RATE_STATUS IviScopeActualSampleRate
AUTO_PROBE_SENSE_VALUE_STATUS IviScopeAutoProbeSenseValue
AUTO_SETUP_STATUS IviScopeAutoSetup
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IviSpecAnClassDriverReferenceforLabVIEWIviSpecAnVIandPropertyReferenceVITreePropertiesbyGroupErrorandCompletionCodes
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IviSpecAnClassDriverOverviewThisinstrumentdriverprovidesprogrammingsupportfortheIviSpecAnClass.TheIviSpecAnclassisdesignedtosupportthetypicalsweptanalyzeraswellascommonextendedfunctionalityfoundininstrumentsthataremorecomplex.TheIviSpecAnclassconceptualizesasweptanalyzerasaninstrumentthatcanmeasuretheamplitudeatdiscretefrequencieswhilesweepingareceiverthrougharangeoffrequencies.Typically,themeasuredquantityisavoltageorpowerlevel.ThedrivercontainsalltheVIsrequiredintheIviSpecAnspecificationdefinedbytheIVIFoundation.ThisdriverrequiresNI-VISAandtheIVICompliancePackagetobeinstalled.Thereisasecondtypeofanalyzerthatisoftenreferredtoasadynamicsignalanalyzer,anaudioanalyzer,oranFFTanalyzer.Whilemanyoftheendresultsarethesame,theprocessoftakingthemeasurementsisquitedifferent.Sincetheyaresodifferent,theyarenotcoveredinthishelptopic.TheIviSpecAnclassisdividedintothebasecapabilitygroupandseveralextensiongroups.Thebasecapabilitygroupisusedtoconfigureananalyzerforatypicalsweep,initiatethatsweep,andreturnanarrayofmeasuredvalues.Inadditiontothebasecapabilities,theIviSpecAnclassdefinesextendedcapabilitiesforspectrumanalyzersthathave:
SimplemathematicaloperationsonmultipletracesMarkeranddelta-markerfunctionalityExternalandVideotriggersourcesBasicdisplayfunctionofspecifyingunitsperdivisionExternalmixercapabilitytoexpandthefrequencyrangePeakpreselectortoreducenoiseandincreasedynamicrange
TheIviSpecAnextendedcapabilitiesarearrangedintoasetofextensioncapabilitygroups.
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IviSpecAnExtensionCapabilityGroupsTheIviSpecAnclassdriveridentifiesVIsandpropertiesthatbelongtoanextensiongroupwiththefollowingabbreviations.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandpropertiesthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverthatyouusemustimplementthoseextensions.
GroupName DescriptionIviSpecAnMultitrace Definesextensionsforanalyzerscapableof
performingsimplemathematicalVIsononeormoretraces.
IviSpecAnMarker Supportsspectrumanalyzersthathavemarkers.Markersareappliedtotracesandusedforawiderangeofoperations.Someoperationsaresimple,suchasreadinganamplitudevalueatanX-axisposition,whileothersoperationsarecomplex,suchassignaltracking
IviSpecAnTrigger SpecifiesthesourceofthetriggersignalthatcausestheanalyzertoleavetheWait-For-Triggerstate.
IviSpecAnExternalTrigger SpecifiestheexternaltriggerlevelandexternaltriggerslopewhentheTriggerSourcepropertyissettoexternal,whichcausestheanalyzertoleavetheWait-For-Triggerstate.
IviSpecAnSoftwareTrigger Supportsspectrumanalyzersthatcanacquiretracesbasedonasoftwaretriggersignal.Youcansendasoftwaretriggertocausesignaloutputtooccur.AffectsinstrumentbehaviorwhentheTriggerSourcepropertyissettoSoftware.
IviSpecAnVideoTrigger SpecifiesthevideotriggerlevelandvideotriggerslopewhentheTriggerSource
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propertyissettoVideo,whichcausestheanalyzertoleavetheWait-For-Triggerstate.
IviSpecAnDisplay Controlsthedisplayrelatedproperties.IviSpecAnMarkerType Supportsanalyzersthathavemultiple
markertypes.IviSpecAnDeltaMarker Supportsanalyzersthathavedelta-marker
capabilities.Adeltamarkerhasthesamepropertiesasanormalmarkerexceptthatitspositionandamplitudearerelativetoafixedreferencepoint.Thisreferencepointisdefinedwhenthemarkerisconvertedfromanormalmarkertoadeltamarker.
IviSpecAnExternalMixer Allowstheuseofananalyzertomeasurevaluesthatareoutsideofthenormalfrequencyrangeoftheequipment.Whenusinganexternalmixer,manyofthesettingsoftheanalyzerhavetobecarefullyconvertedtoallowyoutoknowwhatismeantbythevaluesread.
IviSpecAnPreselector Controlspreselectors.Preselectorsareanetworkoffiltersandpreamplifiersthatarebuiltintooneunitforreducingnoiseandincreasingdynamicrangeofananalyzer.Preselectorsareoftenseparateinstruments,buttheyareinstrumentsthatonlyworkwithspectrumanalyzers.Someanalyzershaveinternalpreselectors.
RelatedTopicIVIInherentClassCapabilities
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IviSpecAnExtensionCapabilityGroupsTheIviSpecAnclassdriveridentifiesVIsandpropertiesthatbelongtoanextensiongroupwiththefollowingabbreviations.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandpropertiesthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverthatyouusemustimplementthoseextensions.
GroupName DescriptionIviSpecAnMultitrace Definesextensionsforanalyzerscapableof
performingsimplemathematicalVIsononeormoretraces.
IviSpecAnMarker Supportsspectrumanalyzersthathavemarkers.Markersareappliedtotracesandusedforawiderangeofoperations.Someoperationsaresimple,suchasreadinganamplitudevalueatanX-axisposition,whileothersoperationsarecomplex,suchassignaltracking
IviSpecAnTrigger SpecifiesthesourceofthetriggersignalthatcausestheanalyzertoleavetheWait-For-Triggerstate.
IviSpecAnExternalTrigger SpecifiestheexternaltriggerlevelandexternaltriggerslopewhentheTriggerSourcepropertyissettoexternal,whichcausestheanalyzertoleavetheWait-For-Triggerstate.
IviSpecAnSoftwareTrigger Supportsspectrumanalyzersthatcanacquiretracesbasedonasoftwaretriggersignal.Youcansendasoftwaretriggertocausesignaloutputtooccur.AffectsinstrumentbehaviorwhentheTriggerSourcepropertyissettoSoftware.
IviSpecAnVideoTrigger SpecifiesthevideotriggerlevelandvideotriggerslopewhentheTriggerSource
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propertyissettoVideo,whichcausestheanalyzertoleavetheWait-For-Triggerstate.
IviSpecAnDisplay Controlsthedisplayrelatedproperties.IviSpecAnMarkerType Supportsanalyzersthathavemultiple
markertypes.IviSpecAnDeltaMarker Supportsanalyzersthathavedelta-marker
capabilities.Adeltamarkerhasthesamepropertiesasanormalmarkerexceptthatitspositionandamplitudearerelativetoafixedreferencepoint.Thisfixedreferencepointisdefinedwhenthemarkerisconvertedfromanormalmarkertoadeltamarker.
IviSpecAnExternalMixer Allowstheuseofananalyzertomeasurevaluesthatareoutsideofthenormalfrequencyrangeoftheequipment.Whenusinganexternalmixer,manyofthesettingsoftheanalyzerhavetobecarefullyconvertedtoallowtheusertoknowwhatismeantbythevaluesread.
IviSpecAnPreselector Controlspreselectors.Preselectorsareanetworkoffiltersandpreamplifiersthatarebuiltintooneunitforreducingnoiseandincreasingdynamicrangeofananalyzer.Preselectorsareoftenseparateinstruments,buttheyareinstrumentsthatonlyworkwithspectrumanalyzers.Someanalyzershaveinternalpreselectors.
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IviSpecAnBaseCapabilityGroupOverviewTheIviSpecAnBasecapabilitygroupsupportsspectrumanalyzersthatconfigureandtakeafrequencysweep.Afrequencysweepisthoughtofasadjustingthefrequencyofatunerfromthestartfrequencytothestopfrequencyinadefinedamountoftime.Formoreinformationabouttimedomainmeasurements,refertoTimeDomainMeasurements.Whilethetunerisbeingadjusted,powerlevels(orvoltagelevels)arebeingmeasuredforthefrequencies.Theresultisanarrayofamplitudeversusfrequencydata.Inadditiontoconfiguringthestartandstopfrequency,ausercanalsosetafrequencyoffset.Thisaffectsthesettingofthespectrumanalyzer'sabsolutefrequencies,suchasstart,stop,center,andmarker.Itdoesnotaffectvalues,whicharethedifferenceoffrequencies,suchasspananddeltamarker.TheIviSpecAnBasecapabilitygroupalsoincludesVIsforconfiguringtheanalyzeraswellasinitiatingandretrievingmeasurements.Thisincludesconfiguringthesweep,range,andresolution.Atypicalspectrumanalyzerdoesnothaveseveralinputchannels.Itcan,however,haveseveraltraces.MultipletracesarecoveredintheIviSpecAnMultitraceextensiongroup.ThetriggerVIsarecoveredinTrigger,ExternalTrigger,andVideoTriggerextensiongroups.Inaddition,mostspectrumanalyzershaveacoupledfunctionmode,whichlinkstheresolutionbandwidth(RBW),videobandwidth(VBW),andsweeptimetogether.Formoreinformationaboutthisbehavior,refertoSweepCouplingOverview.Thefollowingfigureshowsthetuning,filtering,anddetectionprocessinatypicalspectrumanalyzer.
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Thefollowingfigureshowshowthedetectordetectsthesignalandoutputsthesignalonmultipletraces.
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SweepCouplingOverviewManyspectrumanalyzersarecapableofcouplingtheresolutionbandwidth,videobandwidth,andsweeptimetogether.Theinstrumentmakesdecisionsbasedonthevarioussettingstoensuretheaccuracyofthemeasurement.Ifyouelecttochoosethesettings,itispossibletoplaceconstraintsonthesystemthatmakeaccuratemeasurementsimpossible.Mostanalyzersrespondtothisconditionwithamessageindicatingthatthemeasurementisuncalibrated.Whenallthesettingsarecoupled,theinstrumentmakesdecisionsalongthefollowinghierarchy.TheRBWandVBWaretypicallylockedtogetherandsetfor1%ofthespan.Forexample,ifthespanweresetfor100MHz,theinstrumentchooses1MHzfortheRBWandVBW.Tomeasureverylowsignallevels,theRBWmayneedtobemorenarrowed,whichslowsthesweepspeed.Lastly,thesweeptimeisdependentontheRBWandtheVBW.Asaruleofthumb:SweepTime*Span/RBW2
Ascanbeseenfromtheaboveequation,theRBWhasadrasticeffectonsweepspeed.Theseareissuestokeepinmindwhendevelopingautomatedtests.Whenconsideringinterchangeabilityandmeasurementaccuracy,itisimportanttoconsiderthewaydifferentinstrumentscouplesettingstogether.ThevalidcombinationofRBW,VBW,andsweeptimeononespectrumanalyzermaynotbeavalidcombinationonanotherspectrumanalyzer.Awarenessofthesedifferencesensuresthattheresultsobtainedinonesystemcorrelatewiththeresultsfromanothersystem.
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IviSpecAnBaseFunctionsIviSpecAn_AbortIviSpecAn_AcquisitionStatusIviSpecAn_ConfigureAcquisitionIviSpecAn_ConfigureFrequencyCenterSpanIviSpecAn_ConfigureFrequencyOffsetIviSpecAn_ConfigureFrequencyStartStopIviSpecAn_ConfigureLevelIviSpecAn_ConfigureSweepCouplingIviSpecAn_ConfigureTraceTypeIviSpecAn_FetchYTraceIviSpecAn_GetTraceNameIviSpecAn_InitiateIviSpecAn_QueryTraceSizeIviSpecAn_ReadYTrace
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IviSpecAnBaseAttributesIVISPECAN_ATTR_AMPLITUDE_UNITSIVISPECAN_ATTR_ATTENUATIONIVISPECAN_ATTR_ATTENUATION_AUTOIVISPECAN_ATTR_DETECTOR_TYPEIVISPECAN_ATTR_DETECTOR_TYPE_AUTOIVISPECAN_ATTR_FREQUENCY_STARTIVISPECAN_ATTR_FREQUENCY_STOPIVISPECAN_ATTR_FREQUENCY_OFFSETIVISPECAN_ATTR_INPUT_IMPEDANCEIVISPECAN_ATTR_NUMBER_OF_SWEEPSIVISPECAN_ATTR_REFERENCE_LEVELIVISPECAN_ATTR_REFERENCE_LEVEL_OFFSETIVISPECAN_ATTR_RESOLUTION_BANDWIDTHIVISPECAN_ATTR_RESOLUTION_BANDWIDTH_AUTOIVISPECAN_ATTR_SWEEP_MODE_CONTINUOUSIVISPECAN_ATTR_SWEEP_TIMEIVISPECAN_ATTR_SWEEP_TIME_AUTOIVISPECAN_ATTR_TRACE_COUNTForaninstrumentwithonlyoneTrace,i.e.,theTraceCountattributeisone,thedrivermayreturnanemptystring.IVISPECAN_ATTR_TRACE_SIZEIVISPECAN_ATTR_TRACE_TYPEIVISPECAN_ATTR_VERTICAL_SCALEIVISPECAN_ATTR_VIDEO_BANDWIDTHRelatedTopicsIVIInherentVIsIVIInherentPropertiesIviSpecAnBasebehaviormodel
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IviSpecAnDeltaMarkerExtensionGroupTheIviSpecAnDeltaMarkerextensiongroupsupportsanalyzersthathavedelta-markercapabilities.Adeltamarkerhasthesamepropertiesasanormalmarkerexceptthatitspositionandamplitudearerelativetoafixedreferencepoint.Thisfixedreferencepointisdefinedwhenthemarkerisconvertedfromanormalmarkertoadeltamarker.
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IviSpecAnDeltaMarkerVIsIviSpecAn_MakeMarkerDeltaIviSpecAn_QueryReferenceMarker
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IviSpecAnDeltaMarkerPropertiesIVISPECAN_ATTR_REFERENCE_MARKER_AMPLITUDEIVISPECAN_ATTR_REFERENCE_MARKER_POSITION
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IviSpecAnDisplayExtensionGroupTheIviSpecAnDisplayextensiongroupcontrolsthedisplayrelatedproperties.
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IviSpecAnDisplayPropertiesIVISPECAN_ATTR_NUMBER_OF_DIVISIONSIVISPECAN_ATTR_UNITS_PER_DIVISION
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IviSpecAnExternalMixerExtensionGroupManyspectrumanalyzershaveoutputsandinputsthatallowexternalequipmenttousetheIFormixersignalthatthespectrumanalyzeruses.Inthiscase,externalequipmentcanbeusedtomixsignalstoconvertthemtomeasurablefrequencies.Thisallowstheuseofananalyzertomeasurevaluesthatareoutsideofthenormalfrequencyrangeoftheequipment.Whenusinganexternalmixer,manyofthesettingsoftheanalyzerhavetobecarefullyconvertedtoallowyoutoknowwhatismeantbythevaluesread.Specifically,thefrequency,theharmonicnumber,mixerconfiguration,andconversionlossmustbeconfiguredcarefullytobeabletousetheexternalmixingsuccessfully.Thefrequencyoftheinputsignalcanbeexpressedasafunctionofthelocaloscillator(LO)frequencyandtheselectedharmonicofthe1stLOisasfollows:
fin=n*fLO+/-fIF Where: fin frequencyofinputsignal n orderofharmonicusedforconversion fLOfrequencyof1stLO fIF intermediatefrequency
TheHarmonicnumberdefinestheordernoftheharmonicusedforconversion.Bothevenandoddharmonicscanbeused.Theselectedharmonic,togetherwiththesettingrangeofthe1stLO,determinesthelimitsofthesettablefrequencyrange.Thefollowingapplies:
Lowerfrequencylimit: fmin=n*fLO,min-fIF Upperfrequencylimit: fmax=n*fLO,max+fIF Where: fLO,min lowerfrequencylimitofLO fLO,maxupperfrequencylimitofLO
Thefollowingsectionsdescribethemixerconfigurationandtheconversionlosstableconfiguration.
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MixerConfigurationTheexternalmixersaretypicallyconfiguredeitherastwo-portorthreeportmixers.Single-diodemixersgenerallyrequireaDCvoltagewhichisappliedviatheLOline.ThisDCvoltageistobetunedtotheminimumconversionlossversusfrequency.SomeinstrumentscandefinealimitfortheBIAScurrent.Thetwo-portmixerconnectstheLOOUT/IFINoutputoftheanalyzertotheLO/IFportoftheexternalmixer.ThediplexeriscontainedintheanalyzerandtheIFsignalcanbetappedfromthelinewhichisusedtofeedtheLOsignaltothemixer.ThesignaltobemeasuredisfedtotheRFinputoftheexternalmixer.Ontheotherhand,thethree-portmixerconnectstheLOOUT/IFINoutputoftheanalyzertotheLOportoftheexternalmixer.TheIFINinputoftheanalyzerisconnectedtotheIFportoftheexternalmixer.ThesignaltobemeasuredisfedtotheRFinputoftheexternalmixer.
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ConversionLossThemaximumsettablereferenceleveldependsontheexternalmixersconversionlosswhichisdefinedbyaverageconversionlossorbyusingtheconversionlosstable.Forexample,ifanIFsignalwithalevelof-20dBmisappliedtotheLOOUT/IFINorIFINinputofthespectrumanalyzer,fullscreenlevelisattained.Consequently,themaximumsettablereferencelevelis-20dBmatasetconversionlossof0dB.Ifaconversionloss>0dBisentered,themaximumsettablereferencelevelincreasesinthesameproportion.Ifthemaximumpossiblereferencelevelissetontheanalyzer,thislevelisreducedifasmallerconversionlossisentered.Inadditiontothedynamicrangeofthespectrumanalyzerthe1dBcompressionpointofthemixerhastobetakenintoaccount.Thelevelsoftheinputsignalsliewellbelowthisvaluetoavoidgenerationofharmonicsofthesesignalsinthemixer.TheseareconvertedbytheLOsignalsharmonicsofhigherorderandappearinthedisplayedspectrum.Someinstrumentsallowthedefinitionofconversionlosstables.TheConversionlosstableallowstheconversionlossofthemixerintheselectedbandtobetakenintoaccountasafunctionoffrequency.Correctionvaluesforfrequenciesbetweentheindividualreferencevaluesareobtainedbyinterpolation(Linearinterpolation).Outsidethefrequencyrangecoveredbythetabletheconversionlossisassumedtobethesameasthatforthereferencevaluemarkingthetablelimit.
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IviSpecAnExternalMixerVIsIviSpecAn_ConfigureConversionLossTableIviSpecAn_ConfigureConversionLossTableEnabledIviSpecAn_ConfigureExternalMixerIviSpecAn_ConfigureExternalMixerBiasIviSpecAn_ConfigureExternalMixerBiasEnabledIviSpecAn_ConfigureExternalMixerEnabledIviSpecAn_ConfigureExternalMixerNumberOfPorts
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IviSpecAnExternalMixerPropertiesIVISPECAN_ATTR_EXTERNAL_MIXER_AVERAGE_CONVERSION_LOSSIVISPECAN_ATTR_EXTERNAL_MIXER_BIASIVISPECAN_ATTR_EXTERNAL_MIXER_BIAS_ENABLEDIVISPECAN_ATTR_EXTERNAL_MIXER_BIAS_LIMITIVISPECAN_ATTR_EXTERNAL_MIXER_CONVERSION_LOSS_TABLE_ENABLEDIVISPECAN_ATTR_EXTERNAL_MIXER_ENABLEDIVISPECAN_ATTR_EXTERNAL_MIXER_HARMONICIVISPECAN_ATTR_EXTERNAL_MIXER_NUMBER_OF_PORTS
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IviSpecAnExternalTriggerExtensionGroupTheIviSpecAnExternalTriggerextensiongroupextensiongroupspecifiestheexternaltriggerlevelandexternaltriggerslopewhentheTriggerSourcepropertyissettoexternal,whichcausestheanalyzertoleavetheWait-For-Triggerstate.
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IviSpecAnTriggerVIIviSpecAn_ConfigureExternalTrigger
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IviSpecAnTriggerPropertiesIVISPECAN_ATTR_EXTERNAL_TRIGGER_LEVELIVISPECAN_ATTR_EXTERNAL_TRIGGER_SLOPE
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IviSpecAnMarkerExtensionGroupTheIviSpecAnMarkerextensiongroupsupportsspectrumanalyzersthathavemarkers.Markersareappliedtotracesandusedforawiderangeofoperations.Someoperationsaresimple,suchasreadinganamplitudevalueatanX-axisposition,whileothersoperationsarecomplex,suchassignaltracking.
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IviSpecAnMarkerVIsIviSpecAn_ConfigureMarkerEnabledIviSpecAn_ConfigureMarkerFrequencyCounterIviSpecAn_ConfigureMarkerSearchIviSpecAn_ConfigureSignalTrackEnabledIviSpecAn_DisableAllMarkersIviSpecAn_GetMarkerNameIviSpecAn_MarkerSearchIviSpecAn_MoveMarkerIviSpecAn_QueryMarkerIviSpecAn_SetActiveMarkerIviSpecAn_SetInstrumentFromMarker
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IviSpecAnMarkerPropertiesIVISPECAN_ATTR_ACTIVE_MARKERIVISPECAN_ATTR_MARKER_AMPLITUDEIVISPECAN_ATTR_MARKER_COUNTIVISPECAN_ATTR_MARKER_ENABLEDIVISPECAN_ATTR_MARKER_FREQUENCY_COUNTER_ENABLEDIVISPECAN_ATTR_MARKER_FREQUENCY_COUNTER_RESOLUTIONIVISPECAN_ATTR_MARKER_POSITIONIVISPECAN_ATTR_MARKER_THRESHOLDIVISPECAN_ATTR_MARKER_TRACEIVISPECAN_ATTR_PEAK_EXCURSIONIVISPECAN_ATTR_SIGNAL_TRACK_ENABLED
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IviSpecAnMarkerTypeExtensionGroupTheIviSpecAnMarkerTypeextensiongroupsupportsanalyzersthathavemultiplemarkertypes.
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IviSpecAnMarkerTypeVIIviSpecAn_QueryMarkerType
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IviSpecAnMarkerTypePropertyIVISPECAN_ATTR_MARKER_TYPE
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IviSpecAnMultitraceExtensionGroupTheIviSpecAnMultitraceextensiongroupdefinesextensionsforanalyzerscapableofperformingsimplemathematicalVIsononeormoretraces.
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IviSpecAnMultitraceVIsIviSpecAn_AddTracesIviSpecAn_CopyTraceIviSpecAn_ExchangeTracesIviSpecAn_SubtractTraces
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IviSpecAnPreselectorExtensionGroupTheIviSpecAnPreselectorextensiongroupsupportsanalyzersthathavemultiplemarkertypes.
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IviSpecAnPreselectorVIIviSpecAn_PeakPreselector
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IviSpecAnSoftwareTriggerExtensionGroupTheIviSpecAnSoftwareTriggerextensiongroupsupportsspectrumanalyzersthatcanacquiretracesbasedonasoftwaretriggersignal.Youcansendasoftwaretriggertocausesignaloutputtooccur.TheIviSpecAnSoftwareTriggerextensiongroupaffectsinstrumentbehaviorwhentheTriggerSourcepropertyissettoSoftware.
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IviSpecAnSoftwareTriggerVIIviSpecAn_SendSoftwareTrigger
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IviSpecAnTriggerExtensionGroupTheIviSpecAnTriggerextensiongroupspecifiesthesourceofthetriggersignalthatcausestheanalyzertoleavetheWait-For-Triggerstate.
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IviSpecAnTriggerVIIviSpecAn_ConfigureTriggerSource
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IviSpecAnTriggerPropertyIVISPECAN_ATTR_TRIGGER_SOURCE
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IviSpecAnVideoTriggerExtensionGroupTheIviSpecAnVideoTriggerextensiongroupspecifiesthevideotriggerlevelandvideotriggerslopewhentheTriggerSourcepropertyissettoVideo,whichcausestheanalyzertoleavetheWait-For-Triggerstate.
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IviSpecAnVideoTriggerVIIviSpecAn_ConfigureVideoTrigger
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IviSpecAnVideoTriggerPropertiesIVISPECAN_ATTR_VIDEO_TRIGGER_LEVELIVISPECAN_ATTR_VIDEO_TRIGGER_SLOPE
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IviSpecAnBehaviorModelsIviSpecAnBaseIviSpecAnDeltaMarkerIviSpecAnDisplayIviSpecAnExternalMixerIviSpecAnExternalTriggerIviSpecAnMarkerIviSpecAnMultitraceIviSpecAnPreselectorIviSpecAnSoftwareTriggerIviSpecAnTriggerIviSpecAnVideoTrigger
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IviSpecAnBehaviorModelThefollowingstatediagramshowsrelationshipsbetweenIviSpecAnFundamentalCapabilitiesandanalyzerbehavior.
ThemainstateintheIviSpecAnClassistheIdlestate.TheanalyzerenterstheIdlestateastheresultofbeing"powered-on",successfullycompletingameasurement,orbyyouabortingapreviousmeasurementbyyouwiththeAbortVI.Typically,youconfiguretheanalyzerwhileitisintheIdlestate.IviSpecAnpropertiescanbeconfiguredindividuallywiththeSetAttributeVI(IVI-C)orusingoneofthehigher-levelVIs.TheReadYTraceandInitiateVIscausetheanalyzertoleavetheIdlestate.TheReadYTraceVIdoesnotreturnuntilthemeasurementprocessiscompleteandtheanalyzerhasreturnedtotheIdlestate.TheInitiateVIreturnsassoonastheanalyzerleavestheIdlestate.Afterthesweepistaken,theanalyzerreturnstotheIdlestate.YoucanusetheAcquisitionStatusVItodetermineiftheacquisitioniscompleteorisstillinprogress.TheFetchYTraceIviSpecAn_Fetch_Y_Trace.htmlisusedtoreturnawaveformfromapreviouslyinitiatedmeasurement.
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IviSpecAnDeltaMarkerBehaviorModelTheIviSpecAnDeltaMarkerextensiongroupfollowsthesamebehaviormodelastheIviSpecAnMarkercapabilitygroup
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IviSpecAnDisplayBehaviorModelTheIviSpecAnDisplayextensiongroupfollowsthesamebehaviormodelastheIviSpecAnBasecapabilitygroup.
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IviSpecAnExternalMixerBehaviorModelTheIviSpecAnExternalMixerextensiongroupfollowsthesamebehaviormodelastheIviSpecAnBasecapabilitygroup.
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IviSpecAnExternalTriggerBehaviorModelTheIviSpecAnExternalTriggerextensiongroupfollowsthesamebehaviormodelastheIviSpecAnTriggerextensiongroup
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IviSpecAnMarkerBehaviorModelThemarkerpropertiesmaybeusedatanytimeduringthecourseoftheoperationofthespectrumanalyzer.Whensignaltrackingisenabled,theeffectsarethesameascallingtheSetInstrumentFromMarkerVIwiththeInstrumentSettingparametersettoFrequencyCenter:itkeepsthesignalpeakatthecenterofthetrace.Theadjustmentofpropertiesnecessarytocenterthepeakisdoneinthecalculationblock.
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IviSpecAnMarkerTypeBehaviorModelTheIviSpecAnMarkerTypeextensiongroupfollowsthesamebehaviormodelastheIviSpecAnMarkercapabilitygroup.
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IviSpecAnMultitraceBehaviorModelTheIviSpecAnMultitraceextensiongroupfollowsthesamebehaviormodelastheIviSpecAnBasecapabilitygroup.
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IviSpecAnPreselectorBehaviorModelTheIviSpecAnPreselectorextensiongroupfollowsthesamebehaviormodelastheIviSpecAnBasecapabilitygroup.
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IviSpecAnSoftwareTriggerBehaviorModelTheIviSpecAnSoftwareTriggerextensiongroupfollowsthesamebehaviormodelastheIviSpecAnTriggerextensiongroup.
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IviSpecAnTriggerBehaviorModelTheIviSpecAnTriggerextensiongroupfollowsthesamebehaviormodelastheIviSpecAnBasecapabilitygroup,withtheadditionofaWaitForTriggerstate,asshownbelow.
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IviSpecAnVideoTriggerBehaviorModelTheIviSpecAnVideoTriggerextensiongroupfollowsthesamebehaviormodelastheIviSpecAnTriggerextensiongroup.
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IviSpecAnVITreeClass/PanelName VIName
ConfigurationFunctionsConfigureFrequencyStartStop IviSpecAn_Configure
FrequencyStartStop.viConfigureFrequencyCenterSpan IviSpecAn_Configure
FrequencyCenterSpan.vi
ConfigureFrequencyOffset IviSpecAn_ConfigureFrequencyOffset.vi
ConfigureSweepCoupling IviSpecAn_ConfigureSweepCoupling.vi
ConfigureAcquisition IviSpecAn_ConfigureAcquisition.vi
ConfigureLevel IviSpecAn_ConfigureLevel.vi
ConfigureTraceType IviSpecAn_ConfigureTraceType.vi
GetTraceName IviSpecAn_GetTraceName.vi
QueryTraceSize IviSpecAn_QueryTraceSize.vi
PeakPreselector[PS] IviSpecAn_PeakPreselector[PS].vi
MultitraceAddTraces[MT] IviSpecAn_AddTraces
[MT].viExchangeTraces[MT] IviSpecAn_Exchange
Traces[MT].viCopyTrace[MT] IviSpecAn_CopyTrace
[MT].viSubtractTraces[MT] IviSpecAn_Subtract
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Traces[MT].viMarkerConfigureMarkerEnabled[MKR] IviSpecAn_Configure
MarkerEnabled[MKR].vi
ConfigureMarkerFrequencyCounter[MKR] IviSpecAn_ConfigureMarkerFrequencyCounter[MKR].vi
ConfigureMarkerSearch[MKR] IviSpecAn_ConfigureMarkerSearch[MKR].vi
ConfigureSignalTrackEnabled[MKR] IviSpecAn_ConfigureSignalTrackEnabled[MKR].vi
DisableAllMarkers[MKR] IviSpecAn_DisableAllMarkers[MKR].vi
MarkerSearch[MKR] IviSpecAn_MarkerSearch[MKR].vi
MoveMarker[MKR] IviSpecAn_MoveMarker[MKR].vi
QueryMarker[MKR] IviSpecAn_QueryMarker[MKR].vi
SetActiveMarker[MKR] IviSpecAn_SetActiveMarker[MKR].vi
SetInstrumentFromMarker[MKR] IviSpecAn_SetInstrumentFromMarker[MKR].vi
QueryMarkerType[MKT] IviSpecAn_QueryMarkerType[MKT].vi
MakeMarkerDelta[DMK] IviSpecAn_MakeMarkerDelta[DMK].vi
QueryReferenceMarker[DMK] IviSpecAn_QueryReferenceMarker[DMK].vi
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GetMarkerName[MKR] IviSpecAn_GetMarkerName[MKR].vi
TriggerExtensionGroupConfigureTriggerSource[TRG] IviSpecAn_Configure
TriggerSource[TRG].viConfigureExternalTrigger[EXT] IviSpecAn_Configure
ExternalTrigger[EXT].vi
ConfigureVideoTrigger[VT] IviSpecAn_ConfigureVideoTrigger[VT].vi
ExternalMixerExtensionGroupConfigureExternalMixerEnabled[EM] IviSpecAn_Configure
ExternalMixerEnabled[EM].vi
ConfigureExternalMixerNumberofPorts[EM] IviSpecAn_ConfigureExternalMixerNumberofPorts[EM].vi
ConfigureExternalMixer[EM] IviSpecAn_ConfigureExternalMixer[EM].vi
ConfigureExternalMixerBiasEnabled[EM] IviSpecAn_ConfigureExternalMixerBiasEnabled[EM].vi
ConfigureExternalMixerBias[EM] IviSpecAn_ConfigureExternalMixerBias[EM].vi
ConfigureConversionLossTableEnabled[EM] IviSpecAn_ConfigureConversionLossTableEnabled[EM].vi
ConfigureConversionLossTable[EM] IviSpecAn_ConfigureConversionLossTable[EM].vi
MeasurementReadYTrace IviSpecAn_ReadY
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Trace.viFetchYTrace IviSpecAn_FetchY
Trace.viLowLevelMeasurementInitiate IviSpecAn_Initiate.viAbort IviSpecAn_Abort.viAcquisitionStatus IviSpecAn_Acquisition
Status.viSendSoftwareTrigger[SWT] IviSpecAn_Send
SoftwareTrigger[SWT].vi
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IviSpecAnPropertiesGroup/AttributeName PropertyLabel
BasicOperationAmplitudeUnits IviSpecAn»Basic
Operation»AmplitudeUnitsAttenuation IviSpecAn»Basic
Operation»AttenuationAttenuationAuto IviSpecAn»Basic
Operation»AttenuationAutoDetectorType IviSpecAn»Basic
Operation»DetectorTypeDetectorTypeAuto IviSpecAn»Basic
Operation»DetectorTypeAuto
FrequencyStart IviSpecAn»BasicOperation»FrequencyStart
FrequencyStop IviSpecAn»BasicOperation»FrequencyStop
FrequencyOffset IviSpecAn»BasicOperation»FrequencyOffset
InputImpedance IviSpecAn»BasicOperation»InputImpedance
NumberofSweeps IviSpecAn»BasicOperation»NumberofSweeps
ReferenceLevel IviSpecAn»BasicOperation»ReferenceLevel
ReferenceLevelOffset IviSpecAn»BasicOperation»ReferenceLevelOffset
ResolutionBandwidth IviSpecAn»BasicOperation»ResolutionBandwidth
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ResolutionBandwidthAuto IviSpecAn»BasicOperation»ResolutionBandwidthAuto
SweepModeContinuous IviSpecAn»BasicOperation»SweepModeContinuous
SweepTime IviSpecAn»BasicOperation»SweepTime
SweepTimeAuto IviSpecAn»BasicOperation»SweepTimeAuto
TraceCount IviSpecAn»BasicOperation»TraceCount
TraceSize IviSpecAn»BasicOperation»TraceSize
TraceType IviSpecAn»BasicOperation»TraceType
VerticalScale IviSpecAn»BasicOperation»VerticalScale
VideoBandwidth IviSpecAn»BasicOperation»VideoBandwidth
VideoBandwidthAuto IviSpecAn»BasicOperation»VideoBandwidthAuto
MarkersActiveMarker[MKR] IviSpecAn»Markers»Active
Marker[MKR]MarkerAmplitude[MKR] IviSpecAn»Markers»Marker
Amplitude[MKR]MarkerEnabled[MKR] IviSpecAn»Markers»Marker
Enabled[MKR]MarkerFrequencyCounterEnabled[MKR] IviSpecAn»Markers»Marker
FrequencyCounterEnabled[MKR]
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MarkerFrequencyCounterResolution[MKR] IviSpecAn»Markers»MarkerFrequencyCounterResolution[MKR]
MarkerPosition[MKR] IviSpecAn»Markers»MarkerPosition[MKR]
MarkerThreshold[MKR] IviSpecAn»Markers»MarkerThreshold[MKR]
MarkerTrace[MKR] IviSpecAn»Markers»MarkerTrace[MKR]
NumberofMarkers[MKR] IviSpecAn»Markers»NumberofMarkers[MKR]
PeakExcursion[MKR] IviSpecAn»Markers»PeakExcursion[MKR]
SignalTrackEnabled[MKR] IviSpecAn»Markers»SignalTrackEnabled[MKR]
MarkerTypeMarkerType[MKT] IviSpecAn»Markers»Marker
Type»MarkerType[MKT]DeltaMarkerReferenceMarkerAmplitude[DMK] IviSpecAn»Markers»Delta
Marker»ReferenceMarkerAmplitude[DMK]
ReferenceMarkerPosition[DMK] IviSpecAn»Markers»DeltaMarker»ReferenceMarkerPosition[DMK]
TriggerTriggerSource[TRG] IviSpecAn»Trigger»Trigger
Source[TRG]ExternalTriggerExternalTriggerLevel[EXT] IviSpecAn»Trigger»External
Trigger»ExternalTriggerLevel[EXT]
ExternalTriggerSlope[EXT] IviSpecAn»Trigger»External
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Trigger»ExternalTriggerSlope[EXT]
VideoTriggerVideoTriggerLevel[VT] IviSpecAn»Trigger»Video
Trigger»VideoTriggerLevel[VT]
VideoTriggerSlope[VT] IviSpecAn»Trigger»VideoTrigger»VideoTriggerSlope[VT]
DisplayControlUnitsPerDivision[DSP] IviSpecAn»Display
Control»UnitsPerDivision[DSP]
NumberofDivisions[DSP] IviSpecAn»DisplayControl»NumberofDivisions[DSP]
ExternalMixingExternalMixerEnabled[EM] IviSpecAn»External
Mixing»ExternalMixerEnabled[EM]
ExternalMixerNumberofPorts[EM] IviSpecAn»ExternalMixing»ExternalMixerNumberofPorts[EM]
ExternalMixerHarmonic[EM] IviSpecAn»ExternalMixing»ExternalMixerHarmonic[EM]
ExternalMixerAverageConversionLoss[EM] IviSpecAn»ExternalMixing»ExternalMixerAverageConversionLoss[EM]
ExternalMixerConversionLossTableEnabled[EM] IviSpecAn»ExternalMixing»ExternalMixerConversionLossTableEnabled[EM]
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BiasEnabled[EM] IviSpecAn»ExternalMixing»BiasEnabled[EM]
Bias[EM] IviSpecAn»ExternalMixing»Bias[EM]
BiasLimit[EM] IviSpecAn»ExternalMixing»BiasLimit[EM]
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IviSpecAnErrorandWarningCodesStatusCodeRangesStatusCodeType NumericRange(inHex)IviSpecAnErrors 0xBFFA2001to0xBFFA3FFFIviSpecAnWarnings 0x3FFA2001to0x3FFA3FFFIVISpecificDriverErrors 0xBFFA4000to0xBFFA5FFFIVISpecificDriverWarnings 0x3FFA4000to0x3FFA5FFFIVIErrors 0xBFFA0000to0xBFFA1FFFIVIWarnings 0x3FFA0000to0x3FFA1FFFCommonInstrumentDriverErrors 0xBFFC0000to0xBFFCFFFFCommonInstrumentDriverWarnings 0x3FFC0000to0x3FFCFFFFVISAErrors 0xBFFF0000to0xBFFFFFFFVISAWarnings 0x3FFF0000to0xFFFFFFF
TheIviSpecAnclassdriverdefinestheerrorcodesshowninthefollowingtableinadditiontotheIVIdefinederrorcodes.
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IviSpecAnErrorCodesError Value MessageIVISPECAN_ERROR_MARKER_NOT_ENABLED 0xBFFA2001 TheActive
Markerisnotenabled.
IVISPECAN_ERROR_NOT_DELTA_MARKER 0xBFFA2002 TheActiveMarkerisnotadeltamarker.
IVISPECAN_ERROR_MAX_TIME_EXCEEDED 0xBFFA2003 Maximumtimeexceededbeforetheoperationcompleted.
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IviSpecAnWarningCodeWarning Value MessageIVISPECAN_WARN_OVER_RANGE 0x3FFA2002 OverRange
warningIVISPECAN_WARN_MEASURE_UNCALIBERATED 0x3FFA2001 The
instrumentwasinauncalibratedstatewhenthemeasurementwastaken.
RelatedTopicIVIStatusCodes
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IviSpecAnVIsExpandthisbooktoviewanalphabetizedlistofIviSpecAnVIs.
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IviSpecAnAbortIviSpecAnBaseCapabilityGroupThisVIabortsapreviouslyinitiatedmeasurementandreturnsthespectrumanalyzertotheidlestate.
Note:
ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Usethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheattheconclusionofthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnAcquisitionStatusIviSpecAnBaseCapabilityGroupThisVIdeterminesifanacquisitionisinprogressorcomplete.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.acquisitionstatusReturnstheacquisitionstatus.
ValidValues:
IVISPECAN_VAL_ACQUISITION_STATUS_COMPLETE(1)-Thespectrumanalyzerhascompletedtheacquisition.
IVISPECAN_VAL_ACQUISITION_STATUS_IN_PROGRESS(0)-Thespectrumanalyzerisstillacquiringdata.
IVISPECAN_VAL_ACQUISITION_STATUS_UNKNOWN(-1)-Thespectrumanalyzercannotdeterminethestatusoftheacquisition.erroroutTheerroroutclusterpasseserrororwarninginformation
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outofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnAddTraces[MT]IviSpecAnMultitraceCapabilityGroupThisVIaddstrace1andtrace2,pointbypoint,andstorestheresultsinthedestinationtrace.Anydatainthedestinationtraceisdeleted.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.destinationtracePassthetracenameintowhichtheaddedtracesarestored.Anydatainthedestinationtraceisoverwritten.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscandifferfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingtochangethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""trace1Passthetracenameofoneofthetwotracestobeadded.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscandifferfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingto
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changethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""trace2Passthetracenameofthesecondtracetobeadded.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscandifferfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingtochangethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureAcquisitionIviSpecAnBaseCapabilityGroupThisVIconfigurestheacquisitionpropertiesofthespectrumanalyzer.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.sweepmodecontinuousTurnson/offcontinuoussweeping.Thedriverusesthisvaluetosettheproperty.
ValidValues:
TRUE-Sweepmodeiscontinuous.FALSE-Sweepmodeisnotcontinuous.
DefaultValue:FALSEnumberofsweepsThenumberofsweepstotake.Thedriversetsthepropertytothisvalue.
DefaultValue:1detectortypeautoEnablestheautodetector.Thedriverusesthisvaluetosetthe_AUTOproperty.
Note:Whenthe_AUTOpropertyissettoTrue,therelationshipbetweenthepropertyandtheIVISPECAN__ATTR_DETECTOR_TYPattributeisisnotdefined.
ValidValues:
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TRUE-Detectortypeisautomaticallyselected.FALSE-Detectortypeismanuallyselected.
DefaultValue:FALSEdetectortypeSpecifiesthemethodofcapturingandprocessingsignaldata.Thedriverusesthisvaluetosettheproperty.
ValidValues:-IVISPECAN_VAL_DETECTOR_TYPE_AUTO_PEAK-Allowsthedetectortocapturebetterreadingsbyusingbothpositiveandnegativepeakvalueswhennoiseispresent.
-IVISPECAN_VAL_DETECTOR_TYPE_AVERAGE-Averagevalueofsamplestakenwithinthebinforadedicatedpointonthedisplay.
-IVISPECAN_VAL_DETECTOR_TYPE_MAX_PEAK-Obtainsthemaximumvideosignalbetweenthelastdisplaypointandthepresentdisplaypoint.
-IVISPECAN_VAL_DETECTOR_TYPE_MIN_PEAK-Obtainstheminimumvideosignalbetweenthelastdisplaypointandthepresentdisplaypoint.
-IVISPECAN_VAL_DETECTOR_TYPE_SAMPLE-Pickonepointwithinabin.
-IVISPECAN_VAL_DETECTOR_TYPE_RMS-RMSvalueofsamplestakenwithinthebinforadedicatedpointonthedisplay.
DefaultValues:IVISPECAN_VAL_DETECTOR_TYPE_AVERAGEverticalscalePasstheverticalscaleofthemeasurementhardwarethatyouwantthespectrumanalyzertouse(useoflogamplifiersorlinearamplifiers).Thedriversetsthepropertytothisvalue.
DefinedValues:
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IVISPECAN_VAL_VERTICAL_SCALE_LINEAR-LinearIVISPECAN_VAL_VERTICAL_SCALE_LOGARITHMIC-Logarithmic
DefaultValue:IVISPECAN_VAL_VERTICAL_SCALE_LOGARITHMICerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureConversionLossTableEnabled[EM]IviSpecAnExternalMixerCapabilityGroupThisVIenablestheconversionlosstable.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.conversionlosstableenabledSpecifywhethertheconversionlosstableisenabled.ThedriverusesthisvaluetosettheIviSpecAn>>ExternalMixing>>ExternalMixerConversionLossTableEnabledproperty.
ValidValues:TRUE;FALSE
DefaultValue:FALSEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureConversionLossTable[EM]IviSpecAnExternalMixerCapabilityGroupThisVIconfigurestheconversionlosstablebyspecifyingaseriesoffrequencyandapowerlosspairs.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.countSpecifythenumberoffrequencyandconversionlosspairs.
DefaultValue:NonefrequencyAnarrayoffrequencyvaluesforthefrequencyandpowerlosspairs.ThearraymusthaveatleastasmanyelementsasthevalueyouspecifyintheCountparameter.
DefaultValue:NoneconversionlossAnarrayofconversionlossvaluesforthefrequencyandpowerlosspairs.ThearraymusthaveatleastasmanyelementsasthevalueyouspecifyintheCountparameter.
DefaultValue:Noneerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptions
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VIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureExternalMixerBiasEnabled[EM]IviSpecAnExternalMixerCapabilityGroupThisVIenablestheexternalmixingbias.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.biasenabledSpecifieswhetherexternalmixerbiasisenabled.ThedriverusesthisvaluetosettheIviSpecAn>>ExternalMixing>>BiasEnabledproperty.
ValidValues:TRUE;FALSE
DefaultValue:FALSEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureExternalMixerBias[EM]IviSpecAnExternalMixerCapabilityGroupThisVIconfigurestheexternalmixerbiasandtheexternalmixerbiaslimit.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.biasSpecifiesthebiascurrent.ThedriverusesthisvaluetosettheIviSpecAn>>ExternalMixing>>Biasproperty.
Units:Amps
DefaultValue:0.0biaslimitSpecifiesthebiascurrentlimit.ThedriverusesthisvaluetosettheIviSpecAn>>ExternalMixing>>Bias_LIMITproperty.
Units:Amps
DefaultValue:0.0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptions
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VIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureExternalMixerEnabled[EM]IviSpecAnExternalMixerCapabilityGroupThisVIenablesexternalmixing.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.externalmixingenabledSpecifieswhetherexternalmixingisenabled.ThedriverusesthisvaluetosettheIviSpecAn>>ExternalMixing>>ExternalMixerEnabledproperty.
ValidValues:TRUE;FALSE
DefaultValue:FALSEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureExternalMixerNumberofPorts[EM]IviSpecAnExternalMixerCapabilityGroupThisVIspecifiesthenumberofexternalmixerports.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.numberofportsSpecifythenumberofmixerports.ThedriversetstheIviSpecAn>>ExternalMixing>>ExternalMixerNumberofPortspropertytothisvalue.
DefaultValue:2errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureExternalMixer[EM]IviSpecAnExternalMixerCapabilityGroupThisVIspecifiesthemixerharmonicandaverageconversionloss.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.harmonicSpecifiestheordernoftheharmonicusedforconversion.ThedriversetstheIviSpecAn>>ExternalMixing>>ExternalMixerHarmonicpropertytothisvalue.
DefaultValue:0averageconversionlossSpecifiestheaverageconversionloss.ThedriversetstheIviSpecAn>>ExternalMixing>>ExternalMixerAverageConversionLosstothisvalue.
DefaultValue:0.0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureExternalTrigger[EXT]IviSpecAnExternalTriggerCapabilityGroupThisVIspecifiestheexternallevelandpolarityfortriggering.Thisisapplicablewhenthetriggersourceissettoexternal.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.externaltriggerlevelSpecifiestheleveloftheexternaltriggersignaltotriggeranacquisition.ThedriverusesthisvaluetosettheIviSpecAn>>Trigger>>ExternalTrigger>>ExternalTriggerLevelproperty.
Units:Volts
DefaultValue:1.0VexternaltriggerpolaritySpecifiestheslopeoftheexternaltriggersignaltotriggeranacquisition.ThedriverusesthisvaluetosettheIviSpecAn>>Trigger>>ExternalTrigger>>ExternalTriggerSlopeproperty.
ValidValues:-IVISPECAN_VAL_EXTERNAL_TRIGGER_SLOPE_POSITIVE-Setspositiveslope.
-IVISPECAN_VAL_EXTERNAL_TRIGGER_SLOPE_NEGATIVE-Setspositiveslope.
Defaultvalue:IVISPECAN_VAL_EXTERNAL_TRIGGER_SLOPE_POSITIVE
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errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureFrequencyCenterSpanIviSpecAnBaseCapabilityGroupThisVIconfiguresthefrequencyrangeofthespectrumanalyzerusingthecenterfrequencyandthefrequencyspan.IfspancorrespondstozeroHertz,thenthespectrumanalyzeroperatesintime-domainmode.Otherwise,spectrumanalyzeroperatesinfrequency-domainmode.
ThisVImodifiestheandpropertiesasfollows:
FrequencyStart=CenterFrequency-Span/2FrequencyStop=CenterFrequency+Span/2
Note:
Inauto-coupledmode,resolutionbandwidth(RBW),videobandwidth(VBW),andsweeptimemaybeaffectedbythisVI.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.centerfrequencyThecenterfrequencyofthefrequencysweep.
Units:Hertz
DefaultValue:5.0MHzspanThefrequencyspanofthefrequencysweep.
Units:Hertz
DefaultValue:1.0MHz
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errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureFrequencyOffsetIviSpecAnBaseCapabilityGroupThisVIconfiguresthefrequencyoffsetofthespectrumanalyzer.Thisaffectsthesettingofthespectrumanalyzer'sabsolutefrequencies,suchasstart,stop,center,andmarker.ThisVIdoesnotmodifythesettingsfordifferencesoffrequencies,suchasspananddeltamarker.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.frequencyoffsetSpecifiesanoffsetvaluethatisaddedtothefrequencyreadout.Theoffsetisusedtocompensateforexternalfrequencyconversion.Thedriverusesthisvaluetosettheproperty.
Units:Hertz
DefaultValue:1.0e12Hzerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureFrequencyStartStopIviSpecAnBaseCapabilityGroupThisVIconfiguresthefrequencyrangedefiningitsstartfrequencyanditsstopfrequency.Ifthestartfrequencyisequaltothestopfrequency,thenthespectrumanalyzeroperatesinthetime-domainmode.Otherwise,thespectrumanalyzeroperatesinfrequency-domainmode.
Notes
(1)Inauto-coupledmode,resolutionbandwidth(RBW),videobandwidth(VBW),andsweeptimemaybeaffectedbythisVI.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.startfrequencyThestartfrequencyofthefrequencysweep.Thedriverusesthisvaluetosettheproperty.
Units:Hertz
DefaultValue:1.0MHzstopfrequencyThestopfrequencyofthefrequencysweep.Thedriverusesthisvaluetosettheproperty.
Units:Hertz
DefaultValue:10.0MHzerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.Usethisinformationtodecideif
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anyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureLevelIviSpecAnBaseCapabilityGroupThisVIconfigurestheverticalsettingsofthespectrumanalyzer.Thiscorrespondstosettingslikeamplitudeunits,inputattenuation,inputimpedance,referencelevel,andreferenceleveloffset.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.amplitudeunitsPasstheunitsyouwantthespectrumanalyzertouseforinput,output,anddisplay.Thedriversetsthetothisvalue.
ValidValues:-IVISPECAN_VAL_AMPLITUDE_UNITS_DBM-Setsthespectrumanalyzertomeasureindecibelsrelativeto1milliwatt.
-IVISPECAN_VAL_AMPLITUDE_UNITS_DBMV-Setsthespectrumanalyzertomeasureindecibelsrelativeto1millivolt.
-IVISPECAN_VAL_AMPLITUDE_UNITS_DBUV-Setsthespectrumanalyzertomeasureindecibelsrelativeto1microvolt.
-IVISPECAN_VAL_AMPLITUDE_UNITS_VOLT-Setsthespectrumanalyzertomeasureinvolts.
-IVISPECAN_VAL_AMPLITUDE_UNITS_WATT-Setsthespectrumanalyzertomeasureinwatts.
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Defaultvalue:IVISPECAN_VAL_AMPLITUDE_UNITS_VOLTinputimpedanceSpecifiesthevalueofinputimpedance,inohms,expectedattheactiveinputport.Thisistypically50ohmsor75ohms.Thedriverusesthisvaluetosettheproperty.
Units:Ohms
DefaultValue:50ohmsreferencelevelThecalibratedverticalpositionofthecaptureddatausedasareferenceforamplitudemeasurements.Thisistypicallysettoavalueslightlyhigherthanthehighestexpectedsignallevel.Thedriverusesthisvaluetosettheproperty.
Units:TheunitsaredeterminedbysettingtheAmplitudeUnitsparameterofthisVIorbysettingproperty.
DefaultValue:0.0referenceleveloffsetSpecifiestheoffsetvaluetothereferencelevel.Thisadjuststhereferencelevelforexternalsignalgainorloss.Apositivevaluecorrespondstoagainwhileanegativenumbercorrespondstoaloss.Thedriverusesthisvaluetosetthe_OFFSETproperty.
Units:dB
DefaultValue:0.0attenuationautoSpecifieswhetherthespectrumanalyzerisenabledforautoattenuation.WhenyousetthisvaluetoTRUE,theattenuationisautomaticallyselected.WhenyousetthisvaluetoFALSE,theattenuationissettomanualselection.Thedriverusesthisvaluetosetthe_AUTOproperty.
ValidValues:
TRUE-AttenuationisautomaticallyselectedFALSE-Attenuationismanuallyselected
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DefaultValue:FALSE
attenuationSpecifiestheinputattenuation(inpositivedB).Thismeansthatif10dBisselected,theresultisareductioninthesignallevelof10dB.Thedriverusesthisvaluetosettheproperty.
Units:dB
DefaultValue:0.0
Note:
Ifautoattenuationisturnedon,thisvalueisignored.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureMarkerEnabled[MKR]IviSpecAnMarkerCapabilityGroupThisVIenablestheactivemarkeronthespecifiedtrace.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.markerenabledSpecifieswhetherthespecifiedmarkerisenabled.ThedriverusesthisvaluetosettheIviSpecAn>>Markers>>MarkerEnabledproperty.
ValidValues:TRUE;FALSE
DefaultValue:FALSEmarkertracenamePassthenameofthetraceyouforwhichyouareenablingtheactivemarker.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscandifferfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingtochangethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""errorin(noerror)Theerrorinclustercanaccepterrorinformation
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wiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureMarkerFrequencyCounter[MKR]IviSpecAnMarkerCapabilityGroupThisVIsetsthemarkerfrequencycounterresolutionandturnsthemarkerfrequencycounteron/off.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.markerfrequencycounterSpecifieswhetherthefrequencycounterisenabled.ThedriverusesthisvaluetosettheIviSpecAn>>Markers>>MarkerFrequencyCounterEnabledproperty.
ValidValues:TRUE;FALSE
DefaultValue:FALSEfrequencycounterresolutionSpecifiesthefrequencycounterresolution.Themeasurementgatetimeisthereciprocalofthespecifiedresolution.ThedriverusesthisvaluetosettheIviSpecAn>>Markers>>MarkerFrequencyCounterResolutionproperty.
Units:Hertz
DefaultValue:1.0KHz
Note:
ThisvalueisignoredwhentheIviSpecAn>>Markers>>Marker
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FrequencyCounterEnabledisFalse.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureMarkerSearch[MKR]IviSpecAnMarkerCapabilityGroupThisVIconfiguresthemarkerpeakexcursionandmarkerthresholdvalues.Themarkerpeakexcursionspecifiestheminimumamplitudevariationthatcanberecognizedasapeakorminimumbythemarker.ThemarkerthresholdspecifiesalowerboundforALLmarkersearchVIs.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.peakexcursionSpecifiestheminimumamplitudevariationofthesignalindBthattheidentifiesasapeak.ThedriverusesthisvaluetosettheIviSpecAn>>Markers>>PeakExcursionproperty.
Units:dB
DefaultValue:10.0dBmarkerthresholdSpecifiesthelowerlimitofthesearchdomainverticalrangeforthe.ThedriverusesthisvaluetosettheIviSpecAn>>Markers>>MarkerThresholdproperty.
Units:AmplitudeUnits
DefaultValue:0.0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureSignalTrackEnabled[MKR]IviSpecAnMarkerCapabilityGroupThisVIenablessignal-tracking.Whensignaltrackingisturnedon,thespectrumanalyzercentersthesignalonwhichtheactivemarkerresidesaftereachsweep.Therearetwoprevalentmethodsofsignaltrackingintheindustry.
1.Asearchforthelargestsignalonscreenismade,andthespectrumanalyzercenterfrequencyistunedtothissignal.
2.Themarkerisplacedonasignal(anywhereonscreen)andwhenmarkertrackisenabled,thefrequencyofthepeakoftheselectedsignalisusedfortuningthespectrumanalyzer.Thisdoesnotneedtobethelargestsignalonscreen,andthismethodtracksthespecifiedsignalinthepresenceofalargersignal.
ThisVIimplementsthefirstmethodofsignaltracking.ThisINVALIDATEStheandpropertyvalues.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.signaltrackenabledSpecifieswhethersignaltrackingisenabled.ThedriverusesthisvaluetosettheIviSpecAn>>Markers>>SignalTrackEnabledproperty.
Note:Signaltrackcanonlybeenabledononemarkeratatime.ThedrivershallcheckallothermarkerstoseeifthisVIisalreadyenabledonanymarkerotherthantheactiveandturnthisoffontheothermarkerbeforeenablingthisontheactivemarker.
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ValidValues:TRUE;FALSE
DefaultValue:FALSEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureSweepCouplingIviSpecAnBaseCapabilityGroupThisVIconfiguresthecouplingandsweepingpropertiesofthespectrumanalyzer.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.resolutionbandwidthautoEnablesresolutionbandwidthautocoupling.Thedriverusesthisvaluetosetthe_AUTOproperty.
ValidValues:
TRUE-Resolutionbandwidthisautomaticallyselected.FALSE-Resolutionbandwidthismanuallyselected.
DefaultValue:FALSEresolutionbandwidthSpecifiesthemeasurementresolutionbandwidth.Thedriverusesthisvaluetosettheproperty.
Units:Hertz
DefaultValue:1.0HHz
Note:
ThisvalueisignoredwhentheResolutionBandwidthAutoparameterortheAutoissettoTRUE.
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videobandwidthautoEnablesvideobandwidthautocoupling.Thedriverusesthisvaluetosetthe_AUTOproperty.
ValidValues:
TRUE-VideobandwidthisautomaticallyselectedFALSE-Videobandwidthismanuallyselected
DefaultValue:FALSEvideobandwidthSpecifiesthevideobandwidthofthepost-detectionfilter.Thedriverusesthisvaluetosettheproperty.
Units:Hertz
DefaultValue:1.0MHz
Note:
ThisvalueisignoredwhentheVideoBandwidthAutoparameterorthe_AUTOissettoTRUE.sweeptimeautoEnablessweeptimeauto.Thedriverusesthisvaluetosetthe_AUTOproperty.
ValidValues:TRUE-SweeptimeisautomaticallyselectedFALSE-Sweeptimeismanuallyselected
DefaultValue:FALSEsweeptimeThelengthoftimetocompleteonesweep.Thedriverusesthisvaluetosettheproperty.
Units:seconds
DefaultValue:1.0
Note:
ThisvalueisignoredwhentheSweepTimeAutoparameterorthe
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_AUTOissettoTRUE.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureTraceTypeIviSpecAnBaseCapabilityGroupThisVIconfiguresthetypeoftracetoacquire.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.tracenamePassthenameofthetraceyouareconfiguring.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscandifferfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingtochangethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""tracetypeThetypeoftracetoacquire.Thedriversetsthepropertytothisvalue.
ValidValues:IVISPECAN_VAL_TRACE_TYPE_CLEAR_WRITE-Setsthespectrumanalyzertoclearprevioussweepdataoffthedisplaybeforeperformingasweep.Subsequentsweepsmayormaynotclearthedisplayfirst,butthedataarrayattheendofthesweepisentirelynew.
IVISPECAN_VAL_TRACE_TYPE_MAX_HOLD
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-Setsthespectrumanalyzertokeepthedatafromeitherthepreviousdataorthenewsweepdata,whicheverishigher.
IVISPECAN_VAL_TRACE_TYPE_MIN_HOLD-Setsthespectrumanalyzertokeepthedatafromeitherthepreviousdataorthenewsweepdata,whicheverislower.
IVISPECAN_VAL_TRACE_TYPE_VIDEO_AVERAGE-Setsthespectrumanalyzertomaintainarunningaverageofthesweptdata.
IVISPECAN_VAL_TRACE_TYPE_VIEW-Disablesacquisitionintothistracebutdisplaystheexistingtracedata.
IVISPECAN_VAL_TRACE_TYPE_STORE-Disablesacquisitionanddisablesthedisplayoftheexistingtracedata.
DefaultValue:IVISPECAN_VAL_TRACE_TYPE_CLEAR_WRITEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureTriggerSource[TRG]IviSpecAnTriggerCapabilityGroupThisVIspecifiesthetriggersourcethatcausesthespectrumanalyzertoleavetheWait-for-Triggerstate.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.triggersourceSpecifiesthesourceofthetriggersignalthatcausestheanalyzertoleavetheWait-For-Triggerstate.ThedriverusesthisvaluetosettheIviSpecAn>>Trigger>>TriggerSourceproperty.
ValidValues:-IVISPECAN_VAL_TRIGGER_SOURCE_EXTERNAL-Thespectrumanalyzerwaitsuntilitreceivesatriggerontheexternaltriggerconnector.
-IVISPECAN_VAL_TRIGGER_SOURCE_IMMEDIATE-Thespectrumanalyzerdoesnotwaitforatriggerofanykind.
-IVISPECAN_VAL_TRIGGER_SOURCE_AC_LINE-ThespectrumanalyzerwaitsuntilitreceivesatriggerontheACline.
-IVISPECAN_VAL_TRIGGER_SOURCE_VIDEO-Thespectrumanalyzerwaitsuntilitreceivesavideolevel.
Defaultvalue:IVISPECAN_VAL_TRIGGER_SOURCE_EXTERNAL
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errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnConfigureVideoTrigger[VT]IviSpecAnVideoTriggerCapabilityGroupThisVIspecifiesthevideolevelandpolarityforvideotriggering.Thisisapplicablewhenthetriggersourceissettovideo.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.videotriggerlevelSpecifiesthelevelofthevideosignaltotriggeranacquisition.ThedriverusesthisvaluetosettheIviSpecAn>>Trigger>>VideoTrigger>>VideoTriggerLevelproperty.
Units:Theunitsarespecifiedbytheproperty.
DefaultValue:0.0videotriggerslopeSpecifiestheslopeofthevideosignaltotriggeranacquisition.ThedriverusesthisvaluetosettheIviSpecAn>>Trigger>>VideoTrigger>>VideoTriggerSlopeproperty.
ValidValues:-IVISPECAN_VAL_VIDEO_TRIGGER_SLOPE_POSITIVE-Setspositiveslope.
-IVISPECAN_VAL_VIDEO_TRIGGER_SLOPE_NEGATIVE-Setspositiveslope.
Defaultvalue:IVISPECAN_VAL_VIDEO_TRIGGER_SLOPE_POSITIVE
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errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnCopyTrace[MT]IviSpecAnMultitraceCapabilityGroupThisVIcopiesonetracearraytoanothertracearray.Anydatainthedestinationtraceisoverwritten.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.destinationtracePassthetracenameintowhichthearrayisstored.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscandifferfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingtochangethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""sourcetracePassthetracenameofthesourcetracearray.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscandifferfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingto
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changethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnDisableAllMarkers[MKR]IviSpecAnMarkerCapabilityGroupThisVIdisablesallofmarkers.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnExchangeTraces[MT]IviSpecAnMultitraceCapabilityGroupThisVIexchangesthedataarraysoftwotraces.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.trace1Passthetracenameofoneofthetwotracestobeexchanged.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscandifferfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingtochangethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""trace2Passthetracenameofthesecondofthetwotracestobeexchanged.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscandifferfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingto
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changethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnFetchYTraceIviSpecAnBaseCapabilityGroupThisVIreturnsthetracethespectrumanalyzeracquires.Thetraceisfromapreviouslyinitiatedacquisition.Callthetostartanacquisition.Callthetodeterminewhentheacquisitioniscomplete.Oncetheacquisitioniscomplete,calltheFetchYTraceVItoreturnthetrace.
Youmaycalltheinsteadofthe.Thestartsanacquisition,waitsfortheacquisitiontocomplete,andreturnsthetraceinoneVIcall.
Usethewhenacquiringmultipletraces.Useadifferenttracenameforeachcall.Youmayalsocallaftercallingtoacquiresubsequenttraces.
Note:
ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheattheconclusionofthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.tracenamePassthenameofthetraceforthedesiredamplitudearray.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscan
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differfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingtochangethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""arraylengthPassthenumberofAmplitudearraypointsrequested.
DefaultValue:Noneerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.actualpointsIndicatesthenumberofpointstheVIplacesintheAmplitudearray.
Usethetodeterminethenumberofpointsthespectrumanalyzeracquires.amplitudeReturnstheamplitudewaveformthatthespectrumanalyzeracquires.
Thisdatarepresentstheamplitudeofthesignalsofthesweepfromthestartfrequencytothestopfrequency(infrequencydomain,intimedomaintheamplitudearrayisorderedfrombeginningofsweeptoend).
TheunitsaredeterminedbytheAmplitudeUnitsparameteroftheorbytheproperty.
Note:
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Thereturnsthenumberofpointsthespectrumanalyzeracquires.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnGetMarkerName[MKR]IviSpecAnMarkerCapabilityGroupThisVIreturnsthespecificdriverdefinedtracenamethatcorrespondstotheone-basedindexspecifiedbytheIndexparameter.IfyoupassinavaluefortheIndexparameterthatislessthanoneorgreaterthanthevalueoftheIviSpecAn>>Markers>>NumberofMarkersproperty,theVIreturnsanemptystringintheNameparameterandreturnstheInvalidValueerror.
Note:ForaninstrumentwithonlyoneMarker,i.e.theIviSpecAn>>Markers>>NumberofMarkerspropertyisone,thedrivermayreturnanemptystring.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.indexSpecifiestheindexoftheMarkerNametoreturn.
DefaultValue:0namebuffersizeSpecifythebuffersizefortheNameparameter.
DefaultValue:0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtain
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fromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.nameThemarkernamethatcorrespondstotheIndex.
TheNamebuffermustcontainatleastasmanyelementsasthevalueyouspecifywiththeNameBufferSizeparameter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnGetTraceNameIviSpecAnBaseCapabilityGroupThisVIreturnsthespecificdriverdefinedtracenamethatcorrespondstotheone-basedindexspecifiedbytheIndexparameter.IfyoupassinavaluefortheIndexparameterthatislessthanoneorgreaterthanthevalueoftheproperty,theVIreturnsanemptystringintheNameparameterandreturnstheInvalidValueerror(0xBFFA1010).
Note:ForaninstrumentwithonlyoneTrace,i.e.thepropertyisone,thedrivermayreturnanemptystring.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.indexSpecifiestheindexoftheTraceNametoreturn.
DefaultValue:0namebuffersizeSpecifythebuffersizefortheNameparameter.
DefaultValue:0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.nameThetracenamethatcorrespondstotheIndex.
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TheNamebuffermustcontainatleastasmanyelementsasthevalueyouspecifywiththeNameBufferSizeparameter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnInitiateIviSpecAnBaseCapabilityGroupThisVIinitiatesanacquisition.AftercallingthisVI,thespectrumanalyzerleavestheidlestateandwaitsforatrigger.
Notes
(1)ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheattheconclusionofthesequence.
(2)Calltodeterminewhentheacquisitioniscomplete.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
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IviSpecAnMakeMarkerDelta[DMK]IviSpecAnDeltaMarkerCapabilityGroupThisVIspecifieswhethertheactivemarkerisadeltamarker.
WhenthisVIiscalledwithDeltaMarkertrue,thecurrentactivemarkerischangedtoadeltamarkerandtheassociatedreferencemarkerismovedtothecurrentpositionoftheactivemarker.Thecurrentpositionbecomesthereferencepointformarkervalues.Themarkerreadoutindicatestherelativefrequency(ortime)separationandamplitudedifferencebetweenthereferenceandactivemarker.
WhenthisDeltaMarkerissettofalse,thecurrentmarkerischangedtoanormalmarker.Thereferencemarkerisdeterminedbycallingthe.
Notes
(1)IfthecurrentactivemarkerisnotenabledthenthisVIenablestheactivemarker.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.deltamarkerSpecifieswhethermarkerDeltaisTrueorFalse.Dependingonthisvalue,thedriverwillsetthemarkertoIVISPECAN_VAL_MARKER_TYPE_NORMALorIVISPECAN_VAL_MARKER_TYPE_DELTA(seetheVIhelpformoredetails).
ValidValues:TRUE;FALSE
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DefaultValue:FALSEerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnMarkerSearch[MKR]IviSpecAnMarkerCapabilityGroupThisVIspecifiesthetypeofmarkersearchandperformsthesearch.
ThisVIreturnstheMarkerNotEnablederror(0x0xBFFA2001)iftheIviSpecAn>>Markers>>MarkerEnabledpropertyissettoFALSE.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.markersearchSpecifiesthetypeofmarkersearchtoperform.
ValidValues:IVISPECAN_VAL_MARKER_SEARCH_HIGHEST-Setsmarkersearchforthehighestamplitude.
IVISPECAN_VAL_MARKER_SEARCH_NEXT_PEAK-Setsmarkersearchforthenexthighestpeak.
IVISPECAN_VAL_MARKER_SEARCH_NEXT_PEAK_LEFT-Setsmarkersearchforthenextpeakleftofthepeakamplitude.
IVISPECAN_VAL_MARKER_SEARCH_NEXT_PEAK_RIGHT-Setsmarkersearchforthenextpeakrightofthepeakamplitude.
IVISPECAN_VAL_MARKER_SEARCH_MINIMUM-Setsmarkersearchfortheminimumamplitude.
DefaultValue:IVISPECAN_VAL_MARKER_SEARCH_MINIMUMerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.Usethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfrom
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otherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnMoveMarker[MKR]IviSpecAnMarkerCapabilityGroupThisVImovestheactivemarkertothespecifiedhorizontalposition.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.markerpositionSpecifiesthefrequencyortimepositionoftheactivemarker.ThedriverusesthisvaluetosettheIviSpecAn>>Markers>>MarkerPositionproperty.
Units:HertzorSeconds
DefaultValue:0.0errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnPeakPreselector[PS]IviSpecAnPreselectorCapabilityGroupThisVIadjuststhepreselectortoobtainthemaximumreadingsforthecurrentstartandstopfrequency.ThisVImayaffectthemarkerconfiguration.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnQueryMarkerType[MKT]IviSpecAnMarkerTypeCapabilityGroupThisVIqueriestheread-onlyIviSpecAn>>Markers>>MarkerType>>MarkerTypeproperty.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.markertypeReturnsthemarkertype.ThisvaluecorrespondstotheIviSpecAn>>Markers>>MarkerType>>MarkerTypeproperty.
ValidValues:
IVISPECAN_VAL_MARKER_TYPE_NORMAL(1)-Regularmarkerusedtomakeabsolutemeasurements.
IVISPECAN_VAL_MARKER_TYPE_DELTA(2)-Markerusedinconjunctionwiththereferencemarkertomakerelativemeasurements.erroroutTheerroroutclusterpasseserrororwarninginformation
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outofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnQueryMarker[MKR]IviSpecAnMarkerCapabilityGroupThisVIreturnsthehorizontalpositionandthemarkeramplitudeleveloftheactivemarker.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.markerpositionReturnsthehorizontalpositionoftheactivemarkerfromtheIviSpecAn>>Markers>>MarkerPositionproperty.markeramplitudeReturnstheamplitudevalueoftheactivemarkerfromtheIviSpecAn>>Markers>>MarkerAmplitudeproperty.
Units:Theunitsarespecifiedbytheproperty,exceptwhentheIviSpecAn>>Markers>>MarkerType>>MarkerTypepropertyissettoDelta.WhenIviSpecAn>>Markers>>MarkerType>>MarkerTypeissettoDeltatheunitsaredB.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnQueryReferenceMarker[DMK]IviSpecAnDeltaMarkerCapabilityGroupThisVIreturnstheamplitudeandpositionofthereferencemarker.
IftheIviSpecAn>>Markers>>MarkerType>>MarkerTypepropertyisnotDelta,thisVIreturnstheNotDeltaMarkererror(0xBFFA2002).
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.referencemarkeramplitudeReturnsthereferencemarkerwhentheactivemarkerisadeltamarker.ThisreturnsthevalueoftheIviSpecAn>>Markers>>DeltaMarker>>ReferenceMarkerAmplitudeproperty.
DefaultValue:NonereferencemarkerpositionReturnsthereferencemarkerpositionwhentheactivemarkerisadeltamarker.ThisreturnsthevalueoftheIviSpecAn>>Markers>>DeltaMarker>>ReferenceMarkerPositionproperty.
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DefaultValue:NoneerroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnQueryTraceSizeIviSpecAnBaseCapabilityGroupThisVIqueriestheread-onlyproperty.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.tracenamePassthenameofthetracewhichyourequestthetracesize.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscandifferfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingtochangethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.
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tracesizeReturnsthenumberofpointsinthetracearray.Thisvaluecorrespondstotheproperty.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnReadYTraceIviSpecAnBaseCapabilityGroupThisVIinitiatesasignalacquisitionbasedonthepresentinstrumentconfiguration.Itthenwaitsfortheacquisitiontocomplete,andreturnsthetraceasanarrayofamplitudevalues.Theamplitudearrayreturnsdatathatrepresenttheamplitudeofthesignalsofthesweepfromthestartfrequencytothestopfrequency(infrequencydomain,intimedomaintheamplitudearrayisorderedfrombeginningofsweeptoend).ThisVIresetsthesweepcount.
Notes
(1)IfthespectrumanalyzerdidnotcompletetheacquisitionwithinthetimespecifiedintheMaximumTimeparameter,thisVIreturnstheMaxTimeExceeded(0xBFFA2003)error.
(2)Ifthedatawascapturedinanuncalibratedspectrumanalyzermode,thisVIreturnsaMeasureUncalibrated(0x3FFA2001)warning.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.tracenamePassthenameofthetraceforthedesiredamplitudearray.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscan
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differfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingtochangethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""maximumtime(ms)Passthemaximumlengthoftimeinwhichtoallowthereadtraceoperationtocomplete.
Iftheoperationdoesnotcompletewithinthistimeinterval,theVIreturnstheIVISPECAN_ERROR_MAX_TIME_EXCEEDED(0xBFFA2003)errorcode.Whenthisoccurs,calltocancelthereadtraceoperationandreturnthespectrumanalyzertotheIdlestate.
Units:milliseconds.
DefinedValues:IVISPECAN_VAL_MAX_TIME_INFINITE(-1)IVISPECAN_VAL_MAX_TIME_IMMEDIATE(0)
DefaultValue:5000(ms)
Notes
(1)TheMaximumTimeparameterappliesonlytothisVI.Ithasnoeffectonothertimeoutparametersorproperties.arraylengthPassthenumberofAmplitudearraypointsrequested.
DefaultValue:Noneerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.actualpointsIndicatesthenumberofpointstheVIplacesintheAmplitudearray.amplitudeReturnstheamplitudewaveformthatthespectrumanalyzeracquires.
Units:TheunitsaredeterminedbysettingtheAmplitudeUnitsparameteroftheorbysettingproperty.
Notes
(1)Thereturnsthenumberofpointsthespectrumanalyzeracquires.PassaViReal64arraywithatleastthismanyelements.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnSendSoftwareTrigger[SWT]ThisVIsendsacommandtotriggerthespectrumanalyzer.CallthisVIifyoupassIVISPECAN_VAL_TRIGGER_SOURCE_SOFTWAREfortheIviSpecAn>>Trigger>>TriggerSourcepropertyortheTriggerSourceparameterofthe.
Notes
(1)IftheIviSpecAn>>Trigger>>TriggerSourceisnotsettotheIVISPECAN_VAL_TRIGGER_SOURCE_SOFTWAREvalue,thisVIreturnstheTriggerNotSoftwareerror(0xBFFA1001).
(2)ThisVIdoesnotchecktheinstrumentstatus.Typically,youcallthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Youusethelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Ifyouwanttochecktheinstrumentstatus,calltheattheconclusionofthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.
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erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnSetActiveMarker[MKR]IviSpecAnMarkerCapabilityGroupThisVIselectsoneoftheavailablemarkers,andmakesittheactivemarker.Theactivemarkermustbeenabledusingthebeforeitcanbeusedformostmarkeroperations.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.activemarkerPassthenameofthemarkertobeselected.ThedriverusesthisvaluetosettheIviSpecAn>>Markers>>ActiveMarkerproperty.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specificmarkername.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specificmarkerstrings.Theinstrument-specificmarkerstringscandifferfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingtochangethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmore
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informationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnSetInstrumentFromMarker[MKR]IviSpecAnMarkerCapabilityGroupThisVIusestheIviSpecAn>>Markers>>MarkerPositionorIviSpecAn>>Markers>>MarkerAmplitudepropertytoconfigurethespectrumanalyzeraccordingtovalueoftheInstrumentSettingparameter.Forexample,settingtheInstrumentSettingparametertoFrequencyCentersetsthecenterfrequencytothevalueoftheIviSpecAn>>Markers>>MarkerPositionproperty.
ThisVImaysetthe,,orproperties.
IftheIviSpecAn>>Markers>>MarkerEnabledpropertyissettoFALSE,thisVIreturnstheMarkerNotEnablederror(0xBFFA2001).IftheIviSpecAn>>Markers>>MarkerType>>MarkerTypepropertyisnotDeltaandtheInstrumentSettingparameterisFrequencySpan,theVIreturnstheNotDeltaMarkererror(0xBFFA2002).
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.instrumentsettingSpecifiestheinstrumentsettingtobesetfromthemarkerposition.
DefinedValues:FrequencyCenter-IVISPECAN_VAL_INSTRUMENT_SETTING_FREQUENCY_CENTER
FrequencySpan-IVISPECAN_VAL_INSTRUMENT_SETTING_FREQUENCY_SPAN
FrequencyStart-
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IVISPECAN_VAL_INSTRUMENT_SETTING_FREQUENCY_START
FrequencyStop-IVISPECAN_VAL_INSTRUMENT_SETTING_FREQUENCY_STOP
ReferenceLevel-IVISPECAN_VAL_INSTRUMENT_SETTING_REFERENCE_LEVEL
DefaultValue:FrequencyCenter-IVISPECAN_VAL_INSTRUMENT_SETTING_FREQUENCY_CENTERerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnSubtractTraces[MT]IviSpecAnMultitraceCapabilityGroupThisVIsubtractsthearrayelementsofTrace2fromTrace1andstorestheresultintheDestinationTrace.
DestinationTrace=Trace1-Trace2
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.destinationtracePassthetracenameintowhichthesubtractedtracesarestored.
DestinationTrace=Trace1-Trace2.
Anydatainthedestinationtraceisoverwritten.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscandifferfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingtochangethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""trace1Passthetracenameofoneofthetwotracestobesubtracted.
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Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscandifferfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingtochangethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""trace2Passthetracenameofthesecondtracetobesubtracted.
Thiscontrolacceptseitheravirtualrepeatedcapabilitynameoraninstrument-specifictracename.
Virtualrepeatedcapabilitynamesarealiasesforinstrument-specifictracestrings.Theinstrument-specifictracestringscandifferfromoneinstrumenttoanother.Virtualrepeatedcapabilitynamesallowyoutouseandswapinstrumentswithouthavingtochangethetracenamesinyoursourcecode.YouspecifyvirtualrepeatedcapabilitynamesinMAX.
DefaultValue:""errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSpecAnInitializeorIviSpecAnInitializeWithOptionsVIs.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
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Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSpecAnPropertiesExpandthisbooktoviewanalphabetizedlistofIviSpecAnproperties.
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ActiveTraceActiveTracePropertyDatatype Access Appliesto Coercion HighLevelVIs
WO n/a none none
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DescriptionSpecifiesthetracenameusedtoaccessallsubsequentpropertiesinthisinstanceofthepropertynode.Ifthepropertyyouareattemptingtouseistrace-based,youmustfirstselecttheActiveTracepropertyandpassthenameofaspecifictrace.Youcanpassoneofthetracestringsthatthespecificinstrumentdriverdefines,oravirtualnametheend-userdefinesintheIVIconfigurationfileinMAX.
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PropertyNodePathIviSpecAn»ActiveTrace
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IviSpecAnActiveMarker[MKR]IviSpecAnMarkerPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnSetActiveMarker[MKR]
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DescriptionSpecifiesthemarkerwhichiscurrentlyactive.ThevaluesforthispropertycorrespondtotheMarkerrepeatedcapability.
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PropertyNodePathIviSpecAn»Markers>>ActiveMarker[MKR]
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IviSpecAnAmplitudeUnitsIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureLevel
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DescriptionSpecifiestheamplitudeunitsforinput,output,anddisplayamplitude.
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PropertyNodePathIviSpecAn»BasicOperation>>AmplitudeUnits
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DefinedValuesIVISPECAN_VAL_AMPLITUDE_UNITS_DBMIVISPECAN_VAL_AMPLITUDE_UNITS_DBMVIVISPECAN_VAL_AMPLITUDE_UNITS_DBUVIVISPECAN_VAL_AMPLITUDE_UNITS_VOLTIVISPECAN_VAL_AMPLITUDE_UNITS_WATT
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IviSpecAnAttenuationIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A Up IviSpecAnConfigureLevel
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DescriptionSpecifiestheinputattenuation(inpositivedB).Thismeansthatif10dBisselected,theresultisareductioninthesignallevelof10dB.
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PropertyNodePathIviSpecAn»BasicOperation>>Attenuation
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IviSpecAnAttenuationAutoIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureLevel
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DescriptionEnablesordisablesautoattenuation.
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PropertyNodePathIviSpecAn»BasicOperation>>AttenuationAuto
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DefinedValuesVI_TRUEVI_FALSE
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IviSpecAnBias[EM]IviSpecAnExternalMixerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureExternalMixerBias[EM]
![Page 2336: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2336.jpg)
DescriptionSpecifiestheexternalmixerbiascurrentinAmps.
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PropertyNodePathIviSpecAn»ExternalMixing>>Bias[EM]
![Page 2338: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2338.jpg)
IviSpecAnBiasEnabled[EM]IviSpecAnExternalMixerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureExternalMixerBiasEnabled[EM]
![Page 2339: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2339.jpg)
DescriptionEnablestheexternalmixer'sbias.
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PropertyNodePathIviSpecAn»ExternalMixing>>BiasEnabled[EM]
![Page 2341: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2341.jpg)
DefinedValuesVI_TRUEVI_FALSE
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IviSpecAnBiasLimit[EM]IviSpecAnExternalMixerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureExternalMixerBias[EM]
![Page 2343: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2343.jpg)
DescriptionSpecifiestheexternalmixerbiascurrentlimitinAmps.
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PropertyNodePathIviSpecAn»ExternalMixing>>BiasLimit[EM]
![Page 2345: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2345.jpg)
IviSpecAnDetectorTypeIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureAcquisition
![Page 2346: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2346.jpg)
DescriptionSpecifiesthedetectionmethodusedtocaptureandprocessthesignal.Thisgovernsthedataacquisitionforaparticularsweep,butdoesnothaveanycontroloverhowmultiplesweepsareprocessed.
![Page 2347: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2347.jpg)
PropertyNodePathIviSpecAn»BasicOperation>>DetectorType
![Page 2348: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2348.jpg)
DefinedValuesIVISPECAN_VAL_DETECTOR_TYPE_AUTO_PEAKIVISPECAN_VAL_DETECTOR_TYPE_AVERAGEIVISPECAN_VAL_DETECTOR_TYPE_MAX_PEAKIVISPECAN_VAL_DETECTOR_TYPE_MIN_PEAKIVISPECAN_VAL_DETECTOR_TYPE_SAMPLEIVISPECAN_VAL_DETECTOR_TYPE_RMS
![Page 2349: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2349.jpg)
IviSpecAnDetectorTypeAutoIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureAcquisition
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DescriptionEnablestheautodetector.Note:WhentheIviSpecAn>>BasicOperation>>DetectorTypeAutopropertyissettoTrue,therelationshipbetweentheIviSpecAn>>BasicOperation>>TraceTypepropertyandtheIviSpecAn>>BasicOperation>>DetectorTypepropertyisnotdefined.
![Page 2351: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2351.jpg)
PropertyNodePathIviSpecAn»BasicOperation>>DetectorTypeAuto
![Page 2352: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2352.jpg)
DefinedValuesVI_TRUEVI_FALSE
![Page 2353: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2353.jpg)
IviSpecAnExternalMixerAverageConversionLoss[EM]IviSpecAnExternalMixerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureExternalMixer[EM]
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DescriptionSpecifiestheaverageconversionloss.
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PropertyNodePathIviSpecAn»ExternalMixing>>ExternalMixerAverageConversionLoss[EM]
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IviSpecAnExternalMixerConversionLossTableEnabled[EM]IviSpecAnExternalMixerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureConversionLossTableEnabled[EM]
![Page 2357: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2357.jpg)
DescriptionEnablesordisablestheconversionlosstable.
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PropertyNodePathIviSpecAn»ExternalMixing>>ExternalMixerConversionLossTableEnabled[EM]
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DefinedValuesVI_TRUEVI_FALSE
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IviSpecAnExternalMixerEnabled[EM]IviSpecAnExternalMixerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureExternalMixerEnabled[EM]
![Page 2361: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2361.jpg)
DescriptionEnablestheexternalmixer.
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PropertyNodePathIviSpecAn»ExternalMixing>>ExternalMixerEnabled[EM]
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DefinedValuesVI_TRUEVI_FALSE
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IviSpecAnExternalMixerHarmonic[EM]IviSpecAnExternalMixerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureExternalMixer[EM]
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DescriptionSpecifiestheordernoftheharmonicusedforconversion.
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PropertyNodePathIviSpecAn»ExternalMixing>>ExternalMixerHarmonic[EM]
![Page 2367: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2367.jpg)
IviSpecAnExternalMixerNumberofPorts[EM]IviSpecAnExternalMixerPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None None
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DescriptionSelectsthenumberofportsusedinexternalmixing.
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PropertyNodePathIviSpecAn»ExternalMixing>>ExternalMixerNumberofPorts[EM]
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IviSpecAnExternalTriggerLevel[EXT]IviSpecAnExternalTriggerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureExternalTrigger[EXT]
![Page 2371: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2371.jpg)
DescriptionSpecifiesthelevel,inVolts,oftheexternaltriggersignaltotriggeranacquisition.
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PropertyNodePathIviSpecAn»Trigger>>ExternalTrigger>>ExternalTriggerLevel[EXT]
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IviSpecAnExternalTriggerSlope[EXT]IviSpecAnExternalTriggerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureExternalTrigger[EXT]
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DescriptionSpecifiestheslopeoftheexternaltriggersignaltotriggeranacquisition.
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PropertyNodePathIviSpecAn»Trigger>>ExternalTrigger>>ExternalTriggerSlope[EXT]
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DefinedValuesIVISPECAN_VAL_EXTERNAL_TRIGGER_SLOPE_POSITIVEIVISPECAN_VAL_EXTERNAL_TRIGGER_SLOPE_NEGATIVE
![Page 2377: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2377.jpg)
IviSpecAnFrequencyOffsetIviSpecAnBasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureFrequencyOffset
![Page 2378: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2378.jpg)
DescriptionSpecifiesanoffsetvalue,inHertz,thatisaddedtothefrequencyreadout.Theoffsetisusedtocompensateforexternalfrequencyconversion.SettingthispropertychangestheIviSpecAn>>BasicOperation>>FrequencyStartandIviSpecAn>>BasicOperation>>FrequencyStopproperties.Thefollowingequationsdefinetherelationshipofthesesettings:FrequencyStart=ActualStartFrequency+FrequencyOffsetFrequencyStop=ActualStopFrequency+FrequencyOffsetMarkerPosition=ActualMarkerFrequency+FrequencyOffset
![Page 2379: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2379.jpg)
PropertyNodePathIviSpecAn»BasicOperation>>FrequencyOffset
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IviSpecAnFrequencyStartIviSpecAnBasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureFrequencyStartStopIviSpecAnConfigureFrequencyCenterSpan
![Page 2381: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2381.jpg)
DescriptionSpecifiestheleftedgeofthefrequencydomaininHertz.ThisisusedinconjunctionwiththeIviSpecAn>>BasicOperation>>FrequencyStoppropertytodefinethefrequencydomain.IftheIviSpecAn>>BasicOperation>>FrequencyStartpropertyvalueisequaltotheIviSpecAn>>BasicOperation>>FrequencyStoppropertyvaluethenthespectrumanalyzer'shorizontalpropertiesareintime-domain.
![Page 2382: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2382.jpg)
PropertyNodePathIviSpecAn»BasicOperation>>FrequencyStart
![Page 2383: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2383.jpg)
IviSpecAnFrequencyStopIviSpecAnBasePropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureFrequencyStartStopIviSpecAnConfigureFrequencyCenterSpan
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DescriptionSpecifiestherightedgeofthefrequencydomaininHertz.ThisisusedinconjunctionwiththeIviSpecAn>>BasicOperation>>FrequencyStoppropertytodefinethefrequencydomain.IftheIviSpecAn>>BasicOperation>>FrequencyStartpropertyvalueisequaltotheIviSpecAn>>BasicOperation>>FrequencyStoppropertyvaluethenthespectrumanalyzer'shorizontalpropertiesareintime-domain.
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PropertyNodePathIviSpecAn»BasicOperation>>FrequencyStop
![Page 2386: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2386.jpg)
IviSpecAnInputImpedanceIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureLevel
![Page 2387: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2387.jpg)
DescriptionSpecifiesthevalueofinputimpedance,inohms,expectedattheactiveinputport.Thisistypically50ohmsor75ohms.
![Page 2388: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2388.jpg)
PropertyNodePathIviSpecAn»BasicOperation>>InputImpedance
![Page 2389: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2389.jpg)
IviSpecAnMarkerAmplitude[MKR]IviSpecAnMarkerPropertyDatatype Access Appliesto Coercion HighLevelVIs
RO N/A None IviSpecAnQueryMarker[MKR]
![Page 2390: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2390.jpg)
DescriptionReturnstheamplitudeoftheactivemarker.TheunitsarespecifiedbytheIviSpecAn>>BasicOperation>>AmplitudeUnitsproperty,exceptwhentheIviSpecAn>>Markers>>MarkerType>>MarkerType[MKR]propertyissettoDelta.WhentheIviSpecAn>>Markers>>MarkerType>>MarkerType[MKR]propertyissettoDeltatheunitsaredB.IftheIviSpecAn>>Markers>>MarkerEnabled[MKR]propertyissettoFalse,anyattempttoreadthispropertyreturnstheMarkerNotEnablederror(0xBFFA2001).
![Page 2391: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2391.jpg)
PropertyNodePathIviSpecAn»Markers>>MarkerAmplitude[MKR]
![Page 2392: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2392.jpg)
IviSpecAnMarkerEnabled[MKR]IviSpecAnMarkerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureMarkerEnabled[MKR]
![Page 2393: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2393.jpg)
DescriptionEnablestheactivemarker.
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PropertyNodePathIviSpecAn»Markers>>MarkerEnabled[MKR]
![Page 2395: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2395.jpg)
DefinedValuesVI_TRUEVI_FALSE
![Page 2396: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2396.jpg)
IviSpecAnMarkerFrequencyCounterEnabled[MKR]IviSpecAnMarkerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureMarkerFrequencyCounter[MKR]
![Page 2397: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2397.jpg)
DescriptionEnablesthemarkerfrequencycounterforbettermarkermeasurementaccuracy.ThispropertyreturnstheMarkerNotEnablederror(0xBFFA2001)iftheIviSpecAn>>Markers>>MarkerEnabled[MKR]propertyissettoFalse.
![Page 2398: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2398.jpg)
PropertyNodePathIviSpecAn»Markers>>MarkerFrequencyCounterEnabled[MKR]
![Page 2399: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2399.jpg)
DefinedValuesVI_TRUEVI_FALSE
![Page 2400: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2400.jpg)
IviSpecAnMarkerFrequencyCounterResolution[MKR]IviSpecAnMarkerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A Down IviSpecAnConfigureMarkerFrequencyCounter[MKR]
![Page 2401: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2401.jpg)
DescriptionSpecifiestheresolutionofthefrequencycounterinHertz.Themeasurementgatetimeisthereciprocalofthespecifiedresolution.
![Page 2402: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2402.jpg)
PropertyNodePathIviSpecAn»Markers>>MarkerFrequencyCounterResolution[MKR]
![Page 2403: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2403.jpg)
IviSpecAnMarkerPosition[MKR]IviSpecAnMarkerPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnMoveMarker[MKR]IviSpecAnQueryMarker[MKR]
![Page 2404: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2404.jpg)
DescriptionSpecifiesthefrequencyortimepositionoftheactivemarker(dependingonthemodeinwhichtheanalyzerisoperating,frequencyortime-domain).ThispropertyreturnstheMarkerNotEnablederror(0xBFFA2001)iftheactivemarkerisnotenabled.
![Page 2405: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2405.jpg)
PropertyNodePathIviSpecAn»Markers>>MarkerPosition[MKR]
![Page 2406: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2406.jpg)
IviSpecAnMarkerThreshold[MKR]IviSpecAnMarkerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureMarkerSearch[MKR]
![Page 2407: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2407.jpg)
DescriptionSpecifiesthelowerlimitofthesearchdomainverticalrangefortheIviSpecAnMarkerSearch[MKR].vi.
![Page 2408: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2408.jpg)
PropertyNodePathIviSpecAn»Markers>>MarkerThreshold[MKR]
![Page 2409: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2409.jpg)
IviSpecAnMarkerTrace[MKR]IviSpecAnMarkerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureMarkerEnabled[MKR]
![Page 2410: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2410.jpg)
DescriptionSpecifiesthetracefortheactivemarker.
![Page 2411: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2411.jpg)
PropertyNodePathIviSpecAn»Markers>>MarkerTrace[MKR]
![Page 2412: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2412.jpg)
IviSpecAnMarkerType[MKT]IviSpecAnMarkerTypePropertyDatatype Access Applies
to Coercion HighLevelVIs
RO N/A None IviSpecAnQueryMarkerType[MKT]
![Page 2413: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2413.jpg)
DescriptionReturnsthemarkertypeoftheactivemarker.
![Page 2414: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2414.jpg)
PropertyNodePathIviSpecAn»Markers>>MarkerType>>MarkerType[MKT]
![Page 2415: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2415.jpg)
DefinedValuesIVISPECAN_VAL_MARKER_TYPE_NORMALIVISPECAN_VAL_MARKER_TYPE_DELTA
![Page 2416: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2416.jpg)
IviSpecAnNumberofDivisions[DSP]IviSpecAnDisplayPropertyDatatype Access Appliesto Coercion HighLevelVIs
RO N/A None None
![Page 2417: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2417.jpg)
DescriptionSpecifiesthenumberofdivisions.
![Page 2418: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2418.jpg)
PropertyNodePathIviSpecAn»DisplayControl>>NumberofDivisions[DSP]
![Page 2419: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2419.jpg)
IviSpecAnNumberofMarkers[MKR]IviSpecAnMarkerPropertyDatatype Access Appliesto Coercion HighLevelVIs
RO N/A None None
![Page 2420: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2420.jpg)
DescriptionReturnsthenumberofmarkersavailablefortheinstrument.
![Page 2421: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2421.jpg)
PropertyNodePathIviSpecAn»Markers>>NumberofMarkers[MKR]
![Page 2422: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2422.jpg)
IviSpecAnNumberofSweepsIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureAcquisition
![Page 2423: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2423.jpg)
DescriptionThispropertydefinesthenumberofsweeps.ThispropertyvaluehasnoeffectiftheIviSpecAn>>BasicOperation>>TraceTypepropertyissettothevalueClearWrite.
![Page 2424: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2424.jpg)
PropertyNodePathIviSpecAn»BasicOperation>>NumberofSweeps
![Page 2425: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2425.jpg)
IviSpecAnPeakExcursion[MKR]IviSpecAnMarkerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureMarkerSearch[MKR]
![Page 2426: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2426.jpg)
DescriptionSpecifiestheminimumamplitudevariationofthesignalindBthattheIviSpecAnMarkerSearch[MKR].viidentifiesasapeak.
![Page 2427: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2427.jpg)
PropertyNodePathIviSpecAn»Markers>>PeakExcursion[MKR]
![Page 2428: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2428.jpg)
IviSpecAnReferenceLevelIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureLevel
![Page 2429: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2429.jpg)
DescriptionThecalibratedverticalpositionofthecaptureddatausedasareferenceforamplitudemeasurements.Thisistypicallysettoavalueslightlyhigherthanthehighestexpectedsignallevel.TheunitsaredeterminedbytheIviSpecAn>>BasicOperation>>AmplitudeUnitsproperty.
![Page 2430: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2430.jpg)
PropertyNodePathIviSpecAn»BasicOperation>>ReferenceLevel
![Page 2431: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2431.jpg)
IviSpecAnReferenceLevelOffsetIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureLevel
![Page 2432: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2432.jpg)
DescriptionSpecifiesanoffsetfortheIviSpecAn>>BasicOperation>>ReferenceLevelpropertyindB.Thispropertyadjuststhereferencelevelforexternalsignalgainorloss.Apositivevaluecorrespondstoagainwhileanegativenumbercorrespondstoaloss.
![Page 2433: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2433.jpg)
PropertyNodePathIviSpecAn»BasicOperation>>ReferenceLevelOffset
![Page 2434: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2434.jpg)
IviSpecAnReferenceMarkerAmplitude[DMK]IviSpecAnDeltaMarkerPropertyDatatype Access Applies
to Coercion HighLevelVIs
RO N/A None IviSpecAnQueryReferenceMarker[DMK]
![Page 2435: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2435.jpg)
DescriptionReturnsthereferencemarkeramplitudewhentheactivemarkerisadeltamarker.TheunitsarespecifiedbytheIviSpecAn>>BasicOperation>>AmplitudeUnitsproperty.IftheMarkerTypepropertyisnotDelta,thispropertyreturnstheNotDeltaMarkererror(0xBFFA2002).
![Page 2436: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2436.jpg)
PropertyNodePathIviSpecAn»Markers>>DeltaMarker>>ReferenceMarkerAmplitude[DMK]
![Page 2437: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2437.jpg)
IviSpecAnReferenceMarkerPosition[DMK]IviSpecAnDeltaMarkerPropertyDatatype Access Applies
to Coercion HighLevelVIs
RO N/A None IviSpecAnQueryReferenceMarker[DMK]
![Page 2438: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2438.jpg)
DescriptionReturnsthepositionofthereferencemarker,whentheactivemarkerisadeltamarker.TheunitsareHertzforfrequencydomainmeasurements,andsecondsfortimedomainmeasurements.IftheMarkerTypepropertyisnotDelta,thispropertyreturnstheNotDeltaMarkererror(0xBFFA2002).
![Page 2439: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2439.jpg)
PropertyNodePathIviSpecAn»Markers>>DeltaMarker>>ReferenceMarkerPosition[DMK]
![Page 2440: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2440.jpg)
IviSpecAnResolutionBandwidthIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A Up IviSpecAnConfigureSweepCoupling
![Page 2441: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2441.jpg)
DescriptionThisspecifiesthewidthoftheIFfilterinHertz.
![Page 2442: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2442.jpg)
PropertyNodePathIviSpecAn»BasicOperation>>ResolutionBandwidth
![Page 2443: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2443.jpg)
IviSpecAnResolutionBandwidthAutoIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureSweepCoupling
![Page 2444: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2444.jpg)
DescriptionEnablesresolutionbandwidthautocoupling.
![Page 2445: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2445.jpg)
PropertyNodePathIviSpecAn»BasicOperation>>ResolutionBandwidthAuto
![Page 2446: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2446.jpg)
DefinedValuesVI_TRUEVI_FALSE
![Page 2447: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2447.jpg)
IviSpecAnSignalTrackEnabled[MKR]IviSpecAnMarkerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureSignalTrackEnabled[MKR]
![Page 2448: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2448.jpg)
DescriptionEnablesordisablessignaltracking.Whensignaltrackingisturnedon,thespectrumanalyzercentersthesignalaftereachsweep.ThisprocessinvalidatesthetheIviSpecAn>>BasicOperation>>FrequencyStartandIviSpecAn>>BasicOperation>>FrequencyStopproperties.Iftheactivemarkerisnotenabled,operationsonthispropertyreturntheMarkerNotEnabled(0xBFFA2001)error.
Note:Signaltrackingcanonlybeenabledononemarkeratanygiventime.
![Page 2449: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2449.jpg)
PropertyNodePathIviSpecAn»Markers>>SignalTrackEnabled[MKR]
![Page 2450: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2450.jpg)
DefinedValuesVI_TRUEVI_FALSE
![Page 2451: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2451.jpg)
IviSpecAnSweepModeContinuousIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureAcquisition
![Page 2452: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2452.jpg)
DescriptionEnablescontinuoussweepmode.
![Page 2453: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2453.jpg)
PropertyNodePathIviSpecAn»BasicOperation>>SweepModeContinuous
![Page 2454: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2454.jpg)
DefinedValuesVI_TRUEVI_FALSE
![Page 2455: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2455.jpg)
IviSpecAnSweepTimeIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A Up IviSpecAnConfigureSweepCoupling
![Page 2456: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2456.jpg)
DescriptionSpecifiesthelengthoftime(inseconds)tosweepfromtheleftedgetotherightedgeofthecurrentdomain.
![Page 2457: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2457.jpg)
PropertyNodePathIviSpecAn»BasicOperation>>SweepTime
![Page 2458: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2458.jpg)
IviSpecAnSweepTimeAutoIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureSweepCoupling
![Page 2459: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2459.jpg)
DescriptionEnablessweeptimeauto.
![Page 2460: IVI Class Driver Help for LabVIEW...IVI Class Driver Help for LabVIEW January 2007 Edition, Part Number 370036E-01 This help file contains technical and programming support for the](https://reader031.fdocuments.us/reader031/viewer/2022013010/5f447b65a938245fb67909b0/html5/thumbnails/2460.jpg)
PropertyNodePathIviSpecAn»BasicOperation>>SweepTimeAuto
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DefinedValuesVI_TRUEVI_FALSE
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IviSpecAnTraceCountIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
RO N/A None None
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DescriptionReturnsthenumberoftraces.Note:ForaninstrumentwithonlyoneTracethedrivermayreturnanemptystring.
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PropertyNodePathIviSpecAn»BasicOperation>>TraceCount
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IviSpecAnTraceSizeIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
RO Trace None IviSpecAnQueryTraceSize
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DescriptionThistrace-basedpropertyreturnsthenumberofpointsinthetracearray.
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PropertyNodePathIviSpecAn»BasicOperation>>TraceSize
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IviSpecAnTraceTypeIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W Trace None IviSpecAnConfigureTraceType
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DescriptionThistrace-basedpropertyspecifiestherepresentationoftheacquireddata.
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PropertyNodePathIviSpecAn»BasicOperation>>TraceType
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DefinedValuesIVISPECAN_VAL_TRACE_TYPE_CLEAR_WRITEIVISPECAN_VAL_TRACE_TYPE_MAX_HOLDIVISPECAN_VAL_TRACE_TYPE_MIN_HOLDIVISPECAN_VAL_TRACE_TYPE_VIDEO_AVERAGEIVISPECAN_VAL_TRACE_TYPE_VIEWIVISPECAN_VAL_TRACE_TYPE_STORE
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IviSpecAnTriggerSource[TRG]IviSpecAnTriggerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureTriggerSource[TRG]
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DescriptionSpecifiesthesourceofthetriggersignalthatcausestheanalyzertoleavetheWait-For-Triggerstate.
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PropertyNodePathIviSpecAn»Trigger>>TriggerSource[TRG]
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DefinedValuesIVISPECAN_VAL_TRIGGER_SOURCE_EXTERNALIVISPECAN_VAL_TRIGGER_SOURCE_IMMEDIATEIVISPECAN_VAL_TRIGGER_SOURCE_SOFTWAREIVISPECAN_VAL_TRIGGER_SOURCE_AC_LINEIVISPECAN_VAL_TRIGGER_SOURCE_VIDEO
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IviSpecAnUnitsPerDivision[DSP]IviSpecAnDisplayPropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None None
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DescriptionSpecifiesthenumberofverticalunitsinonescreendivision.ThisistypicallyusedinconjunctionwiththeIviSpecAn>>BasicOperation>>ReferenceLevelpropertytosettheverticalrangeofthespectrumanalyzer.
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PropertyNodePathIviSpecAn»DisplayControl>>UnitsPerDivision[DSP]
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IviSpecAnVerticalScaleIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureAcquisition
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DescriptionSpecifiestheverticalscaleofthemeasurementhardware(useoflogamplifiersversuslinearamplifiers).
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PropertyNodePathIviSpecAn»BasicOperation>>VerticalScale
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DefinedValuesIVISPECAN_VAL_VERTICAL_SCALE_LINEARIVISPECAN_VAL_VERTICAL_SCALE_LOGARITHMIC
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IviSpecAnVideoBandwidthIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A Up IviSpecAnConfigureSweepCoupling
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DescriptionSpecifiesthevideobandwidthofthepost-detectionfilterinHertz.
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PropertyNodePathIviSpecAn»BasicOperation>>VideoBandwidth
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IviSpecAnVideoBandwidthAutoIviSpecAnBasePropertyDatatype Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureSweepCoupling
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DescriptionEnablesvideobandwidthautocoupling.
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PropertyNodePathIviSpecAn»BasicOperation>>VideoBandwidthAuto
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DefinedValuesVI_TRUEVI_FALSE
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IviSpecAnVideoTriggerLevel[VT]IviSpecAnVideoTriggerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureVideoTrigger[VT]
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DescriptionSpecifiesthelevelofthevideosignaltotriggeranacquisition.TheunitsarespecifiedbytheIviSpecAn>>BasicOperation>>AmplitudeUnitsproperty.
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PropertyNodePathIviSpecAn»Trigger>>VideoTrigger>>VideoTriggerLevel[VT]
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IviSpecAnVideoTriggerSlope[VT]IviSpecAnVideoTriggerPropertyDatatype Access Applies
to Coercion HighLevelVIs
R/W N/A None IviSpecAnConfigureVideoTrigger[VT]
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DescriptionSpecifiestheslopeofthevideosignaltotriggeranacquisition.
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PropertyNodePathIviSpecAn»Trigger>>VideoTrigger>>VideoTriggerSlope[VT]
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DefinedValuesIVISPECAN_VAL_VIDEO_TRIGGER_SLOPE_POSITIVEIVISPECAN_VAL_VIDEO_TRIGGER_SLOPE_NEGATIVE
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IviSpecAnDefinedValuesExpandthisbooktoviewanalphabetizedlistofIviSpecAndefinedvalues.
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IVISPECAN_VAL_AMPLITUDE_UNITS_DBMDescriptionSetsthespectrumAnalyzertomeasureindecibelsrelativeto1milliwatt.
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DefinedValue1
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IVISPECAN_VAL_AMPLITUDE_UNITS_DBMVDescriptionSetsthespectrumanalyzertomeasureindecibelsrelativeto1millivolt.
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DefinedValue2
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IVISPECAN_VAL_AMPLITUDE_UNITS_DBUVDescriptionSetsthespectrumanalyzertomeasureindecibelsrelativeto1microvolt.
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DefinedValue3
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IVISPECAN_VAL_AMPLITUDE_UNITS_VOLTDescriptionSetsthespectrumanalyzertomeasureinvolts.
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DefinedValue4
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IVISPECAN_VAL_AMPLITUDE_UNITS_WATTDescriptionSetsthespectrumanalyzertomeasureinwatts.
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DefinedValue5
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IVISPECAN_VAL_DETECTOR_TYPE_AUTO_PEAKDescriptionAllowsthedetectortocapturebetterreadingsbyusingbothpositiveandnegativepeakvalueswhennoiseispresent.
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DefinedValue1
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IVISPECAN_VAL_DETECTOR_TYPE_AVERAGEDescriptionAveragevalueofsamplestakenwithinthebinforadedicatedpointonthedisplay.
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DefinedValue2
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IVISPECAN_VAL_DETECTOR_TYPE_MAX_PEAKDescriptionObtainsthemaximumvideosignalbetweenthelastdisplaypointandthepresentdisplaypoint.
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DefinedValue3
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IVISPECAN_VAL_DETECTOR_TYPE_MIN_PEAKDescriptionObtainstheminimumvideosignalbetweenthelastdisplaypointandthepresentdisplaypoint.
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DefinedValue4
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IVISPECAN_VAL_DETECTOR_TYPE_RMSDescriptionRMSvalueofsamplestakenwithinthebinforadedicatedpointonthedisplay.
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DefinedValue6
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IVISPECAN_VAL_DETECTOR_TYPE_SAMPLEDescriptionPickonepointwithinabin.
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DefinedValue5
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IVISPECAN_VAL_EXTERNAL_TRIGGER_SLOPE_NEGATIVEDescriptionSetsnegativeslope.
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DefinedValue2
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IVISPECAN_VAL_EXTERNAL_TRIGGER_SLOPE_POSITIVEDescriptionSetspositiveslope.
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DefinedValue1
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IVISPECAN_VAL_INSTRUMENT_SETTING_FREQUENCY_CENTERDescriptionSetsthecenterfrequencywiththeMarkerPositionattribute.
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DefinedValue1
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IVISPECAN_VAL_INSTRUMENT_SETTING_FREQUENCY_SPANDescriptionSetsthefrequencyspanwiththeMarkerPositionattribute.ThisoperationisonlyvalidiftheMarkerTypeattributeissettoDelta.
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DefinedValue2
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IVISPECAN_VAL_INSTRUMENT_SETTING_FREQUENCY_STARTDescriptionSetstheFrequencyStartattributewiththeMarkerPositionattribute.
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DefinedValue3
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IVISPECAN_VAL_INSTRUMENT_SETTING_FREQUENCY_STOPDescriptionSetstheFrequencyStopattributewiththeMarkerPositionattribute.
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DefinedValue4
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IVISPECAN_VAL_INSTRUMENT_SETTING_REFERENCE_LEVELDescriptionSetstheReferenceLevelattributewiththeMarkerAmplitudeattribute.
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DefinedValue5
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IVISPECAN_VAL_MARKER_SEARCH_HIGHESTDescriptionSetsmarkersearchforthehighestamplitude.
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DefinedValue1
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IVISPECAN_VAL_MARKER_SEARCH_MINIMUMDescriptionSetsmarkersearchfortheminimumamplitude.
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DefinedValue2
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IVISPECAN_VAL_MARKER_SEARCH_NEXT_PEAKDescriptionSetsmarkersearchforthenexthighestpeak.
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DefinedValue3
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IVISPECAN_VAL_MARKER_SEARCH_NEXT_PEAK_LEFTDescriptionSetsmarkersearchforthenextpeakleftofthepeakamplitude.
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DefinedValue4
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IVISPECAN_VAL_MARKER_SEARCH_NEXT_PEAK_RIGHTDescriptionSetsmarkersearchforthenextpeakrightofthepeakamplitude.
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DefinedValue5
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IVISPECAN_VAL_MARKER_TYPE_DELTADescriptionMarkerusedinconjunctionwiththereferencemarkertomakerelativemeasurements.
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DefinedValue2
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IVISPECAN_VAL_MARKER_TYPE_NORMALDescriptionRegularmarkerusedtomakeabsolutemeasurements.
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DefinedValue1
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IVISPECAN_VAL_TRACE_TYPE_CLEAR_WRITEDescriptionSetsthespectrumanalyzertoclearprevioussweepdataoffthedisplaybeforeperformingasweep.Subsequentsweepsmayormaynotclearthedisplayfirst,butthedataarrayattheendofthesweepisentirelynew.
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DefinedValue1
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IVISPECAN_VAL_TRACE_TYPE_MAX_HOLDDescriptionSetsthespectrumanalyzertokeepthedatafromeitherthepreviousdataorthenewsweepdata,whicheverishigher.
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DefinedValue2
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IVISPECAN_VAL_TRACE_TYPE_MIN_HOLDDescriptionSetsthespectrumanalyzertokeepthedatafromeitherthepreviousdataorthenewsweepdata,whicheverislower.
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DefinedValue3
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IVISPECAN_VAL_TRACE_TYPE_STOREDescriptionDisablesacquisitionanddisablesthedisplayoftheexistingtracedata.
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DefinedValue6
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IVISPECAN_VAL_TRACE_TYPE_VIDEO_AVERAGEDescriptionSetsthespectrumanalyzertomaintainarunningaverageofthesweptdata.
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DefinedValue4
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IVISPECAN_VAL_TRACE_TYPE_VIEWDescriptionDisablesacquisitionintothistracebutdisplaystheexistingtracedata.
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DefinedValue5
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IVISPECAN_VAL_TRIGGER_SOURCE_AC_LINEDescriptionThespectrumanalyzerwaitsuntilitreceivesatriggerontheACline.
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DefinedValue4
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IVISPECAN_VAL_TRIGGER_SOURCE_EXTERNALDescriptionThespectrumanalyzerwaitsuntilitreceivesatriggerontheexternaltriggerconnector.
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DefinedValue1
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IVISPECAN_VAL_TRIGGER_SOURCE_IMMEDIATEDescriptionThespectrumanalyzerdoesnotwaitforatriggerofanykind.
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DefinedValue2
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IVISPECAN_VAL_TRIGGER_SOURCE_SOFTWAREDescriptionThespectrumanalyzerwaitsuntiltheSendSoftwareTriggerfunctionexecutes.
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DefinedValue3
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IVISPECAN_VAL_TRIGGER_SOURCE_VIDEODescriptionThespectrumanalyzerwaitsuntilitreceivesavideolevel.
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DefinedValue5
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IVISPECAN_VAL_VERTICAL_SCALE_LINEARDescriptionSetstheverticalscaleinlinearunits.
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DefinedValue1
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IVISPECAN_VAL_VERTICAL_SCALE_LOGARITHMICDescriptionSetstheverticalscaleinlogarithmicunits.
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DefinedValue2
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IVISPECAN_VAL_VIDEO_TRIGGER_SLOPE_NEGATIVEDescriptionSetsnegativeslope.
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DefinedValue2
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IVISPECAN_VAL_VIDEO_TRIGGER_SLOPE_POSITIVEDescriptionSetspositiveslope.
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DefinedValue1
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IviSwtchClassDriverReferenceforLabVIEWConceptsIviSwtchTerminologyIviSwtchClassDriverOverviewIviSwtchExtensionCapabilityGroupsIviSwtchBehaviorModels
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IviSwtchVIandPropertyReferenceIviSwtchVITreeIviSwtchPropertiesbyGroupIviSwtchPropertyValueDefinitionsIviSwtchErrorandCompletionCodes
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OtherReferenceInterchangeabilityCheckingSimulation
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IviSwtchTerminologyChannel Aninput/output(I/O)connectionontheswitchmodule
thatyoucanaccess.Whatconstitutesachannelisdefinedbythevendor,butthechannelmustbeapointthatyoucanconnecttooneormoreotherchannelsoftheswitchmodulethroughapath.Inaddition,itistheconnectionpointtotheswitchmodule.Noticethatachanneldoesnotindicatethenumberofwires.Achannelmayconsistof1,2,3or4wires,forexample.
ChannelPair Twochannelnamesseparatedbythe"->"symbol.Common Thenameoftheoutputchannelinamultiplexerswitch
module.ConfigurationChannel
AchannelthatisnotdirectlyaccessibletoyouthroughtheIviSwtchclassdriver,orthatyoumarkasaconfigurationchanneltoreserveforthepathcreation.Thedriverusesaconfigurationchanneltocreatepathsbetweenthechannels,connectordisconnecttoananalogbus,andsoon.Thisgivesthedrivermoreflexibilityincreatingpathsattheexpenseoflosingchannels.Markacolumninamatrixasaconfigurationchannelwhenyouwanttoallowthematrixtoconnectarowtoarow.
MatrixSwitchModule
Aswitchmodulethatisconfiguredtohavemultipleinputsandoutputsthatformastandardmatrixorganizationsuchthatanyrowcanbeconnectedtoanycolumn.Noticethatsome,butnotallmatricessupportrow-to-rowandcolumn-to-columnconnections.SeeConfigurationChannel.
MultiplexerSwitchModule
Aswitchmodulethatisconfiguredtohavemultipleinputchannelsbutonlyasingleoutputchannels.Othernamesforthemultiplexerswitchmoduleareatree,anda1xnmatrix.
Path Theconnection(electrical,optical,etc.)betweenthetwochannels.YoucreateapathwithoperationsdefinedintheIviSwtchclass.Theend-pointchannelsdefinesuchaconnection.Noticethatitisuptotheswitchmoduleto
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knowwhatpathsarevalid,invalidorinuse.ScannerSwitchModule
AnIviSwtchswitchmodulewiththecapabilitytoscanchannels.
SourceChannel
AchanneldirectlyaccessibletoyouthroughtheIviSwtchclassdriver.Typically,thedrivermarksachannelasasourcechanneltoallowforexternalconnection.
SwitchModule
Thevendordefineddevicethattheinstrumentdriversessioncancommunicatewithandcontrol.Thechannelsofsuchadevicedefineaswitchmodule.Noticethatonaphysicalswitchdevicetheremaybemultipleswitchmodules.Inaddition,aswitchmodulemaybeonmultipleswitchdevices.Theconceptistohaveasingleblackboxwithexternalconnectionsandhavethesoftwarefindthenecessarypaths.Noticethatthisdoesnotremovetheneedoftheapplicationprogrammertounderstandtheunderlyingswitchstructureforissuessuchassendingthecorrectsignalsthroughthecorrectswitches(forexample,RFsignalsthroughRFpathsonly).
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IviSwtchClassDriverOverviewThisinstrumentdriverprovidesprogrammingsupportfortheIviSwtchClass.TheIviSwtchclassdriverconceptualizesaswitchasaninstrumentthatcanestablishaconnectionbetweentwoI/Ochannels.TheIviSwtchclassdrivercansupportinstrumentsthatcanperformtriggeredscanning(trigger-synchronizedestablishingorbreakingofthepaths).ThedrivercontainsalltheVIsthattheIVIFoundationrequiresfortheIviSwtchspecification.ThisdriverrequiresNI-VISAandtheIVICompliancePackagetobeinstalled.AnIviSwtchisavendor-definedswitchmodulewithaseriesofI/Ocapablechannels.Thesechannelscanthenbeconnectedthroughtheinternalsoftheswitchmodule,wherenotallconnectionsarenecessarilyvalid.Refertothefigurebelow.TheIviSwtchclassdriverisdesignedtosupportthetypicalswitchaswellascommonextendedfunctionalityfoundinmorecomplexswitchinstruments.TheIviSwtchclassdriverconceptualizestheswitchasaninstrumentthatcanestablishpathsbetweenitsI/Ochannels.Usethisdrivertodevelopprogramsthatareindependentofaparticularswitch.YoucanusethisclassdriverwithanyswitchthathasanIVIinstrumentspecificdriverthatiscompliantwiththeIviSwtchclass.TheIviSwtchclassdriveraccessesthespecificdriverforyourinstrumentusingtheconfigurationinformationyousupplywithMAX.TheIviSwtchclassdriverdividesinstrumentcapabilitiesintoabasecapabilitygroupandmultipleextensioncapabilitygroups.TheIviSwtchBasecapabilitygroupsupportsswitchesabletoconnectanddisconnectpathsontheinstrument,determinetheconnectivityoftwoswitches,andquerythestateoftheswitchmodule.TheVIsandpropertiesofthisgroupareimplementedbyallswitchinstrumentdriversthatarecompliantwiththeIviSwtchclass.
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IviSwtchExtensionCapabilityGroupsTheIviSwtchclassdriveridentifiesVIsandpropertiesthatbelongtoanextensiongroupwiththefollowingabbreviations.Instrumentspecificdriversarenotrequiredtoimplementanyoftheextensioncapabilitygroups.IfyouuseVIsandpropertiesthatbelongtoextensioncapabilitygroups,everyinstrumentspecificdriverthatyouusemustimplementthoseextensions.
GroupName DescriptionIviSwtchScanner[SCN] Definesextensionsforinstrumentscapableof
scanningchannels.IviSwtchSoftwareTrigger[SWT]
DefinesinstrumentscapableofreceivingsoftwaretriggersandimplementstheIviSwtchScannerextensiongroup.
IviSwtchScannerdefinesextendedcapabilitiesforswitchesthatcanwaitforthetriggertoestablishorbreakpathsontheswitchmodule,andassertatriggeruponcompletedtask.TheswitchesthatcanperformsuchtasksarethepartoftheIviSwtchScannerextensiongroup.IviSwtchSoftwareTriggerdefinesextendedcapabilitiesforswitchesthatcansupportIviSwtchScannerextensiongroupandreceivesoftwaretriggers.
SwitchModule
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IviSwtchBaseCapabilityGroupTheIviSwtchBasecapabilitygroupsupportsswitchinstrumentscapableofconnectinganddisconnectingpathswithintheinstrument,determiningtheconnectivityoftwoswitches,andqueryingvariousinternalstatesoftheswitchmodule.TheIviSwtchBasecapabilitygroupdefinespropertiessthatreflectthephysicalcharacteristicsoftheswitchmodule,aswellaspropertiesthatallowyoutospecifytheconnectivityofswitchingchannels.TheIviSwtchBasecapabilitygroupalsodefinesasetofVIsthatallowsyoutoconnectanddisconnectpaths,aswellasquerytheconnectivityofpaths.
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IviSwtchBaseVIsIviSwtchConnectChannelsIviSwtchDisconnectChannelsIviSwtchGetPathIviSwtchSetPathIviSwtchCanConnectChannelsIviSwtchDisconnectAllChannelsIviSwtchSwitchIsDebouncedIviSwtchWaitForDebounce
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IviSwtchBasePropertiesIviSwtchBandwidthIviSwtchCharacteristicImpedanceIviSwtchIsConfigurationChannelIviSwtchIsDebouncedIviSwtchIsSourceChannelIviSwtchMaximumACVoltageIviSwtchMaximumCarryACCurrentIviSwtchMaximumCarryACPowerIviSwtchMaximumCarryDCCurrentIviSwtchMaximumCarryDCPowerIviSwtchMaximumDCVoltageIviSwtchMaximumSwitchingACCurrentIviSwtchMaximumSwitchingACPowerIviSwtchMaximumSwitchingDCCurrentIviSwtchMaximumSwitchingDCPowerIviSwtchSettlingTimeIviSwtchWireModeRelatedTopicsVITreeIviSwtchPropertiesIVIInherentVIsIVIInherentPropertiesIviSwtchBasebehaviormodel
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IviSwtchScannerExtensionGroupTheIviSwtchScannerExtensionGroupdefinesasetofpropertiesandVIstoperformscanningoperations.RefertotheIviSwtchScannerbehaviormodel.
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IviSwtchScannerVIsIviSwtchInitiateScanIviSwtchAbortScanIviSwtchSwitchIsScanningIviSwtchWaitForScanToCompleteIviSwtchConfigureScanListIviSwtchConfigureScanTriggerIviSwtchSetContinuousScan
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IviSwtchScannerPropertiesIviSwtchContinuousScanIviSwtchIsScanningIviSwtchNumberofRowsIviSwtchNumberofColumnsIviSwtchScanAdvancedOutputIviSwtchScanListIviSwtchScanModeIviSwtchScanDelayIviSwtchTriggerInputRelatedTopicsVITreeIviSwtchProperties
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IviSwtchSoftwareTriggerExtensionGroupTheIviSwtchSoftwareTriggerExtensionGroupdefinesasetofVIsthatperformsoftwaretriggeroperations.
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IviSwtchSoftwareTriggerVIIviSwtchSendSoftwareTriggerRelatedTopicsVITreeIviSwtchProperties
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IviSwtchBehaviorModelsIviSwtchBaseIviSwtchScannerIviSwtchSoftwareTrigger
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IviSwtchBaseBehaviorModelYoucanaccessanyoftheVIsinthiscapabilitygroupatanytime.IfyouexecutetheIviSwtchWaitForDebounceVI,thedriverblocksanyfurtheroperationuntiltheVIcompletes(thatis,allthesignalsflowingthroughtheswitchhavesettled).
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IviSwtchScannerBehaviorModel
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IviSwtchScannerBehaviorModelItistheIVIdriver'sresponsibilitytoensurethatwhenthescanningbeginsatriggerissentfromtheswitchmoduleiftheswitchmoduleisconfiguredtoassertatriggeronpathcreation(theIviSwtchScanAdvancedOutput[SCN]property).Thisensuresthatiftheswitchmoduleisusinghandshakelineswithameasurementorsourcedeviceandalsousingscanning,thesequenceisbegunwithatriggerfromtheswitchmodule.WhennotintheIdleorResetstate,allpropertiesoftheIviSwtchclassarereadonly.Similarly,whennotintheIdleorResetstate,propertiesarereadonly,andonlytheIviSwtchResetandIviSwtchAbortScanpropertiescanbeexecuted.
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IviSwtchSoftwareTriggerBehaviorModelTheIviSwtchSoftwareTriggerextensiongroupfollowsthebehaviormodeloftheIviSwtchScannerextensiongroup.IftheIviSwtchTriggerInput[SCN]propertyissettoIVISWTCH_VAL_SOFTWARETRIG,theswitchexitsthewait-for-triggerstateonlyaftertheIviSwtchSendSoftwareTriggerVIexecutes.
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IviSwtchVITreeTheVItreefortheIviSwtchclassdriver,includingIVIandVXIplug&playrequiredVIs,isshownbelow.
NoteYouusetheLabVIEWPropertyNodetogetandsetproperties.
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IviSwtchVITreeNameorClass VIName RequiredBy
Initialize IviSwtchInitialize VPP
InitializeWithOptions
IviSwtchInitializeWithOptions
IVI
ConfigurationVIs
ConfigureScanList[SCN]
IviSwtchConfigureScanList
IviSwtchScanner
ConfigureScanTrigger[SCN]
IviSwtchConfigureScanTrigger
IviSwtchScanner
SetContinuousScan[SCN]
IviSwtchSetContinuousScan
IviSwtchScanner
Route
ConnectChannels IviSwtchConnectChannels
IviSwtchBase
DisconnectChannels
IviSwtchDisconnectChannels
IviSwtchBase
DisconnectAllChannels
IviSwtchDisconnectAllChannels
IviSwtchBase
SwitchIsDebounced?
IviSwtchSwitchIsDebounced
IviSwtchBase
WaitForDebounce IviSwtchWaitForDebounce
IviSwtchBase
CanConnectChannels?
IviSwtchCanConnectChannels
IviSwtchBase
Paths
SetPath IviSwtchSetPath IviSwtchBase
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GetPath IviSwtchGetPath IviSwtchBase
Scan
InitiateScan[SCN] IviSwtchInitiateScan IviSwtchScanner
AbortScan[SCN] IviSwtchAbortScan IviSwtchScanner
SwitchIsScanning[SCN]
IviSwtchSwitchIsScanning
IviSwtchScanner
WaitForScanToComplete[SCN]
IviSwtchWaitForScanToComplete
IviSwtchScanner
SendSoftwareTrigger[SWT]
IviSwtchSendSoftwareTrigger
IviSwtchSoftwareTrigger
Utility
Reset IviSwtchReset VPP
ResetWithDefaults ResetWithDefaults VPP
Self-Test IviSwtchSelf-Test VPP
Disable Disable VPP
InvalidateAllAttributes
InvalidateAllAttributes VPP
RevisionQuery IviSwtchRevisionQuery
VPP
Error-Query IviSwtchError-Query VPP
ErrorMessage IviSwtchErrorMessage
VPP
GetChannelName GetChannelName VPP
InterchangeabilityInfo
GetNext IviSwtchGetNext IVI
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InterchangeWarning
InterchangeWarning
ResetInterchangeCheck
IviSwtchResetInterchangeCheck
IVI
ClearInterchangeWarnings
IviSwtchClearInterchangeWarnings
IVI
CoercionInfo
GetNextCoercionRecord
IviSwtchGetNextCoercionRecord
IVI
Close IviSwtchClose VPP
RelatedTopicsIviSwtchPropertiesIVIInherentVIs
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IviSwtchPropertiesNoteYouusetheLabVIEWPropertyNodetogetandsetproperties.
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IviSwtchBasePropertiesIviSwtchBandwidthIviSwtchCharacteristicImpedanceIviSwtchIsConfigurationChannelIviSwtchIsDebouncedIviSwtchIsSourceChannelIviSwtchMaximumACVoltageIviSwtchMaximumCarryACCurrentIviSwtchMaximumCarryACPowerIviSwtchMaximumCarryDCCurrentIviSwtchMaximumCarryDCPowerIviSwtchMaximumDCVoltageIviSwtchMaximumSwitchingACCurrentIviSwtchMaximumSwitchingACPowerIviSwtchMaximumSwitchingDCCurrentIviSwtchMaximumSwitchingDCPowerIviSwtchSettlingTimeIviSwtchWireMode
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IviSwtchScannerExtensionPropertiesIviSwtchContinuousScanIviSwtchIsScanningIviSwtchNumberofRowsIviSwtchNumberofColumnsIviSwtchScanAdvancedOutputIviSwtchScanListIviSwtchScanModeIviSwtchScanDelayIviSwtchTriggerInput
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IviSwtchPropertyValueDefinitionsThefollowingtabledefinesvalueforallIviSwtchclasspropertiesconstants.
NoteInthefollowingtable,theliteralstringIVISWTCHprecedesthepropertynameandtheliteralstringIVISWTCH_precedesthevalueextensionname.
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IviSwtchPropertyDefinedValues
Property ValueName
DefinedValue Description
SCANMODE
NoAction 0 Indicatesthatnoactionshouldbetakenonthepreviouspaths.
BeforeBreakMake
1 Tellsthedevicetobreakthepreviouspathsbeforemakingthenewpaths.
BreakAfterMake
2 Tellsthedrivertomakethenewpathsbeforebreakingthepreviouspaths.
TRIGGERINPUT
Immediate 1 Indicatesthattheswitchmoduledoesnotwaitforatriggerbeforestartingthenextentryinthescan.
External 2 Meansthetriggerisgoingouttoanexternaldevicethroughatriggeroutputconnection.
SoftwareTriggerFunction
3 ThetriggerwillbeasoftwarecommandsentbytheprogramthoughtheIviSwtchSendSoftwareTriggeroperation.
TTL0 111 AbackplaneTTLtrigger,suchasisfoundintheVXIbusorPXITRIG0.
TTL1 112 AbackplaneTTLtrigger,suchasisfoundintheVXIbusorPXITRIG1.
TTL2 113 AbackplaneTTLtrigger,suchasisfoundintheVXIbusorPXITRIG2.
TTL3 114 AbackplaneTTLtrigger,suchasisfoundintheVXIbusorPXITRIG3.
TTL4 115 AbackplaneTTLtrigger,suchasisfoundintheVXIbusorPXITRIG4.
TTL5 116 AbackplaneTTLtrigger,suchasisfoundintheVXIbusorPXITRIG5.
TTL6 117 AbackplaneTTLtrigger,suchasis
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foundintheVXIbusorPXITRIG6.TTL7 118 AbackplaneTTLtrigger,suchasis
foundintheVXIbusorPXITRIG7.ECL0 119 AbackplaneECLtrigger,suchasis
foundintheVXIbus.ECL1 120 AbackplaneECLtrigger,suchasis
foundintheVXIbus.PXIStar 125 APXIStartriggerbus.RTSI0 140 TheRTSI0triggerlineusuallyfoundin
DAQinstruments.RTSI1 141 TheRTSI1triggerlineusuallyfoundin
DAQinstruments.RTSI2 142 TheRTSI2triggerlineusuallyfoundin
DAQinstruments.RTSI3 143 TheRTSI3triggerlineusuallyfoundin
DAQinstruments.RTSI4 144 TheRTSI4triggerlineusuallyfoundin
DAQinstruments.RTSI5 145 TheRTSI5triggerlineusuallyfoundin
DAQinstruments.RTSI6 146 TheRTSI6triggerlineusuallyfoundin
DAQinstruments.SCANADVANCEDOUTPUT
None 0 Noscanadvancedoutputtriggerissentoutoftheswitchmodule.
External 2 Meansthetriggerisgoingouttoanexternaldevicethroughatriggeroutputconnection.
GPIBServiceRequest
5 ThescanadvancedoutputtriggerisrepresentedasaGPIBSRQevent.
TTL0 111 AbackplaneTTLtrigger,suchasisfoundintheVXIbusorPXITRIG0.
TTL1 112 AbackplaneTTLtrigger,suchasis
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foundintheVXIbusorPXITRIG1.
TTL2 113 AbackplaneTTLtrigger,suchasisfoundintheVXIbusorPXITRIG2.
TTL3 114 AbackplaneTTLtrigger,suchasisfoundintheVXIbusorPXITRIG3.
TTL4 115 AbackplaneTTLtrigger,suchasisfoundintheVXIbusorPXITRIG4.
TTL5 116 AbackplaneTTLtrigger,suchasisfoundintheVXIbusorPXITRIG5.
TTL6 117 AbackplaneTTLtrigger,suchasisfoundintheVXIbusorPXITRIG6.
TTL7 118 AbackplaneTTLtrigger,suchasisfoundintheVXIbusorPXITRIG7.
ECL0 119 AbackplaneECLtrigger,suchasisfoundintheVXIbus.
ECL1 120 AbackplaneECLtrigger,suchasisfoundintheVXIbus.
PXIStar 125 APXIStartriggerbus.RTSI0 140 TheRTSI0triggerlineusuallyfoundin
DAQinstruments.RTSI1 141 TheRTSI1triggerlineusuallyfoundin
DAQinstruments.RTSI2 142 TheRTSI2triggerlineusuallyfoundin
DAQinstruments.RTSI3 143 TheRTSI3triggerlineusuallyfoundin
DAQinstruments.RTSI4 144 TheRTSI4triggerlineusuallyfoundin
DAQinstruments.RTSI5 145 TheRTSI5triggerlineusuallyfoundin
DAQinstruments.RTSI6 146 TheRTSI6triggerlineusuallyfoundin
DAQinstruments.
RelatedTopics
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IviSwtchVITreeIviSwtchProperties
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IviSwtchErrorandWarningCodesTheVIsinthisclassdrivergeneratereturnvaluesthatreportthestatusoftheoperation.
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StatusCodeRanges
StatusCodeType NumericRange(inHex)
IviSwtchErrors 0xBFFA2001to0xBFFA3FFF
IviSwtchWarnings(Scrolldowntoseethesevalues.)
0x3FFA2001to0x3FFA3FFF
IVISpecificDriverErrors 0xBFFA4000to0xBFFA5FFF
IVISpecificDriverWarnings 0x3FFA4000to0x3FFA5FFF
IVIErrors BFFA0000toBFFA1FFFIVIWarnings 3FFA0000to3FFA1FFFCommonInstrumentDriverErrors BFFC0000toBFFCFFFFCommonInstrumentDriverWarnings 3FFC0000to3FFCFFFFVISAErrors BFFF0000toBFFFFFFFVISAWarnings 3FFF0000to3FFFFFFF
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IviSwtchErrorCodesError ValueIVISWTCH_ERROR_INVALID_SWITCH_PATH 0xBFFA2001
IVISWTCH_ERROR_INVALID_SCAN_LIST 0xBFFA2002
IVISWTCH_ERROR_RSRC_IN_USE 0xBFFA2003
IVISWTCH_ERROR_EMPTY_SCAN_LIST 0xBFFA2004
IVISWTCH_ERROR_EMPTY_SWITCH_PATH 0xBFFA2005
IVISWTCH_ERROR_SCAN_IN_PROGRESS 0xBFFA2006
IVISWTCH_ERROR_NO_SCAN_IN_PROGRESS 0xBFFA2007
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IVISWTCH_ERROR_NO_SUCH_PATH 0xBFFA2008
IVISWTCH_ERROR_IS_CONFIGURATION_CHANNEL 0xBFFA2009
IVISWTCH_ERROR_NOT_A_CONFIGURATION_CHANNEL 0xBFFA200A
IVISWTCH_ERROR_ATTEMPT_TO_CONNECT_SOURCES 0xBFFA200B
IVISWTCH_ERROR_EXPLICIT_CONNECTION_EXISTS 0xBFFA200C
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IVISWTCH_ERROR_LEG_MISSING_FIRST_CHANNEL 0xBFFA200D
IVISWTCH_ERROR_LEG_MISSING_SECOND_CHANNEL 0xBFFA200E
IVISWTCH_ERROR_CHANNEL_DUPLICATED_IN_LEG 0xBFFA200F
IVISWTCH_ERROR_CHANNEL_DUPLICATED_IN_PATH 0xBFFA2010
IVISWTCH_ERROR_PATH_NOT_FOUND 0xBFFA2011
IVISWTCH_ERROR_DISCONTINUOUS_PATH 0xBFFA2012
IVISWTCH_ERROR_CANNOT_CONNECT_DIRECTLY 0xBFFA2013
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IVISWTCH_ERROR_CHANNELS_ALREADY_CONNECTED 0xBFFA2014
IVISWTCH_ERROR_CANNOT_CONNECT_TO_ITSELF 0xBFFA2015
IVISWTCH_ERROR_TRIGGER_NOT_SOFTWARE 0xBFFA1001
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IviSwtchWarningCodesWarning Value MessageIVISWTCH_WARN_PATH_REMAINS 0x3FFA2001 Some
connectionsremainafterdisconnecting.
IVISWTCH_WARN_IMPLICIT_CONNECTION_EXISTS 0x3FFA2002 Thechannelsareimplicitlyconnected.
RelatedTopicIVIStatusCodes
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IviSwtchVIsExpandthisbooktoviewanalphabetizedlistofIviSwtchVIs.
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IviSwtchAbortScanIviSwtchScannerCapabilityGroup[SCN]ThisVIabortsapreviouslyinitiatedscan.YouinitiateascanwiththeIviSwtchInitiateScan[SCN]VI.Iftheinstrumentisnotcurrentlyscanning,thisVIreturnstheIVISWTCH_ERROR_NO_SCAN_IN_PROGRESS(0xBFFA2007)error.YoucandeterminethecurrentstatusofthescanbycallingtheIviSwtchIsScanningVI.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchCanConnectChannelsIviSwtchBaseCapabilityGroupThisVIverifiesthattheswitchmoduleiscapableofcreatingapathbetweenthetwochannelsyouspecifywiththechannel1andchannel2parameters.Iftheswitchmoduleiscapableofcreatingapath,thisVIindicateswhetherthepathiscurrentlyavailablegiventheexistingconnections.Ifthepathisnotavailableduetocurrentlyexistingconnections,buttheimplicitconnectionbetweenthetwochannelsalreadyexists,theVIreturnsthewarningIVISWTCH_WARN_IMPLICIT_CONNECTION_EXISTS(0x3FFA2002).
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.channel1("")Youidentifyapathwithtwochannels.Passoneofthevirtualchannelnamesforwhichyouwanttoverifyapath.Passtheotherchannelnameasthechannel2parameter.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:""
channel2("")Youidentifyapathwithtwochannels.Passoneofthevirtualchannelnamesforwhichyouwanttoverifyapath.Passtheotherchannelnameasthechannel1parameter.
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Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:""
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
pathcapabilityIndicateswhetherapathisvalid.Possiblevaluesinclude:IVISWTCH_VAL_PATH_AVAILABLE1IVISWTCH_VAL_PATH_EXISTS2IVISWTCH_VAL_PATH_UNSUPPORTED3IVISWTCH_VAL_RSRC_IN_USE4IVISWTCH_VAL_SOURCE_CONFLICT5IVISWTCH_VAL_CHANNEL_NOT_AVAILABLE6
Note
1. IVISWTCH_VAL_PATH_AVAILABLEindicatesthatthedriver
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cancreatethepathatthistime.2. IVISWTCH_VAL_PATH_EXISTSindicatesthattheexplicit
pathbetweenthechannelsalreadyexists.3. IVISWTCH_VAL_PATH_UNSUPPORTEDindicatesthatthe
instrumentisnotcapableofcreatingapathbetweenthetwochannels.
4. IVISWTCH_VAL_RSRC_IN_USEindicatesthatalthoughthepathisvalid,thedrivercannotcreatethepathatthismomentbecausetheswitchmoduleiscurrentlyusingoneormoreoftherequiredchannelstocreateanotherpath.Youmustdestroytheotherpathbeforecreatingthisone.
5. IVISWTCH_VAL_SOURCE_CONFLICTindicatesthattheinstrumentcannotcreateapathbecausebothchannelsareconnectedtoadifferentsourcechannel.
6. IVISWTCH_VAL_CHANNEL_NOT_AVAILABLEindicatesthatthedrivercannotcreateapathbetweenthetwochannelsbecauseoneofthechannelsisaconfigurationchannelandthusunavailableforexternalconnections.
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IviSwtchConfigureScanListIviSwtchScannerCapabilityGroup[SCN]ThisVIconfigurestheswitchmoduleforscanning.UsetheIviSwtchConfigureScanTriggerVItoconfigurethescantrigger.UsetheIviSwtchInitiateScanVItostartthescan.Iftheswitchmoduleiscurrentlyscanningthroughthescanlist,thisVIreturnstheIVISWTCH_ERROR_SCAN_IN_PROGRESS(0xBFFA2006)errorwithoutconfiguringthescanlist.Ifthegivenscanliststringcontainsincorrectsyntax,thisVIreturnstheIVISWTCH_ERROR_INVALID_SCAN_LIST(0xBFFA2002)error.Ifthegivenscanliststringisempty,thisVIreturnstheIVISWTCH_ERROR_EMPTY_SCAN_LIST(0xBFFA2004)error.
pathcapabilityIndicateswhetherapathisvalid.Possiblevaluesinclude:IVISWTCH_VAL_PATH_AVAILABLE1IVISWTCH_VAL_PATH_EXISTS2IVISWTCH_VAL_PATH_UNSUPPORTED3IVISWTCH_VAL_RSRC_IN_USE4IVISWTCH_VAL_SOURCE_CONFLICT5IVISWTCH_VAL_CHANNEL_NOT_AVAILABLE6
Notes
1. IVISWTCH_VAL_PATH_AVAILABLEindicatesthatthedrivercancreatethepathatthistime.
2. IVISWTCH_VAL_PATH_EXISTSindicatesthattheexplicitpathbetweenthechannelsalreadyexists.
3. IVISWTCH_VAL_PATH_UNSUPPORTEDindicatesthatthe
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instrumentisnotcapableofcreatingapathbetweenthetwochannels.
4. IVISWTCH_VAL_RSRC_IN_USEindicatesthatalthoughthepathisvalid,thedrivercannotcreatethepathatthismomentbecausetheswitchmoduleiscurrentlyusingoneormoreoftherequiredchannelstocreateanotherpath.Youmustdestroytheotherpathbeforecreatingthisone.
5. IVISWTCH_VAL_SOURCE_CONFLICTindicatesthattheinstrumentcannotcreateapathbecausebothchannelsareconnectedtoadifferentsourcechannel.
6. IVISWTCH_VAL_CHANNEL_NOT_AVAILABLEindicatesthatthedrivercannotcreateapathbetweenthetwochannelsbecauseoneofthechannelsisaconfigurationchannelandthusunavailableforexternalconnections.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.scanlist("")Passthescanlistyouwanttheinstrumenttouse.ThedriverusesthisvaluetosettheIviSwtchScanList[SCN]property.Thescanlistisastringthatspecifieschannelconnectionsandtriggerconditionsforscanning.AfteryoucalltheIviSwtchInitiateScanVI,theinstrumentmakesorbreaksconnectionsandwaitsfortriggersaccordingtotheinstructionsinthescanlist.Thescanlistiscomprisedofchannelnamesthatyouseparatewithspecialcharacters.Thesespecialcharactersdeterminetheoperationthescannerperformsonthechannelswhenitexecutesthisscanlist.SeetheIviSwtchScanListpropertyfordetaileddescriptiononthescanlistsyntax.
scanmode(NoAction)Passthescanmodeyouwanttheinstrumenttouse.ThedriversetstheIviSwtchScanMode[SCN]propertytothisvalue.Thescanmodespecifieshowtheinstrumentbreaksexistingconnectionswhenscanning.Definedvalues:IVISWTCH_VAL_NONE(0)—Theinstrumenttakesnoactionon
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existingconnections.IVISWTCH_VAL_BREAK_BEFORE_MAKE(1)—Theinstrumentbreaksanexistingconnectionbeforecreatinganewone.Thisisusefulifyouwanttopreventtwochannelsfromconnectingtogetherinthetransitionalperiod.IVISWTCH_VAL_BREAK_AFTER_MAKE(2)—Theinstrumentbreaksanexistingconnectionaftercreatinganewone.Thisisusefulifyouwanttopreventdamagefromoccurringoninductiveelementsofacircuitthatcannotstandrapidchangesinthecurrentflow.
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchConfigureScanTriggerIviSwtchScannerCapabilityGroup[SCN]ThisVIconfiguresthescantriggersforthescanlistyouestablishwithIviSwtchConfigureScanListVI.Iftheswitchmoduleiscurrentlyscanningthroughthescanlist,thisVIreturnstheIVISWTCH_ERROR_SCAN_IN_PROGRESS(0xBFFA2006)errorwithoutconfiguringthescantrigger.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.scandelay(0.0s)PasstheminimumlengthoftimeyouwanttheinstrumenttowaitfromthetimetheinstrumentcreatesapathuntilitassertsatriggerontheScanAdvancedoutputline.Expressthisvalueinseconds.ThedriverusesthisvaluetosettheIviSwtchScanDelay[SCN]property.triggerinput(Immediate)Passthetriggersourceyouwanttheinstrumenttouseforscanning.ThedriverusesthisvaluetosettheIviSwtchTriggerInput[SCN]property.Theswitchmodulewaitsforthetriggeryouspecifywhenitencountersasemicoloninthescanlist.Whenthetriggeroccurs,theswitchmoduleadvancestothenextentryinthescanlist.DefinedValues
scanadvancedoutput(None)Passtheoutputonwhichyouwanttheinstrumenttoassertthescanadvancedsignal.ThedriverusesthisvaluetosettheIviSwtchScanAdvancedOutput[SCN]property.Aftertheinstrumentprocesseseachentryinthescanlist,itwaitsthelengthoftimeyouspecifyintheScanDelayparameterandthenassertsatriggeronthelineyouspecifywiththisparameter.
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DefinedValues
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchConnectChannelsIviSwtchBaseCapabilityGroupThisVIcreatesapathbetweenchannel1andchannel2.Thedrivercalculatestheshortestpathbetweenthetwochannels.DetailsThisVIappliesdefaultvaluestopropertiesthathavenotbeensetbyyouunderthefollowingconditions:IfyouhavenotsetthevalueofanypropertyintheIviSwtchScannerextension,thefollowingdefaultvaluesareused:IviSwtchScanList[SCN]""(Emptystring)IviSwtchTriggerInput[SCN]IVISWTCH_VAL_EXTERNALIviSwtchScanAdvancedOutput[SCN]IVISWTCH_VAL_EXTERNALIviSwtchScanDelay[SCN]0
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.channel1("")Youidentifyapathwithtwochannels.Passoneofthevirtualchannelnamesforwhichyouwanttocreateapath.Passtheotherchannelnameasthechannel2parameter.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelinMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:""
channel2("")Youidentifyapathwithtwochannels.Passoneof
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thevirtualchannelnamesforwhichyouwanttocreateapath.Passtheotherchannelnameasthechannel1parameter.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelinMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:""
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
Ifapathisnotavailable,theVIreturnsoneofthefollowingerrors:IVISWTCH_ERROR_EXPLICIT_CONNECTION_EXISTS(0xBFFA200C)ifthetwochannelsarealreadyexplicitlyconnectedbycallingeithertheIviSwtchConnectChannelsorIviSwtchSetPathVI.IVISWTCH_ERROR_IS_CONFIGURATION_CHANNEL(0xBFFA2009)ifachannelisaconfigurationchannel.CallIviSwtch_GetErrorforinformationaboutwhichofthetwochannelsisaconfigurationchannel.IVISWTCH_ERROR_ATTEMPT_TO_CONNECT_SOURCES(0xBFFA200B)ifbothchannelsareconnectedtoadifferentsource.CallIviSwtch_GetErrorforsourcestowhichchannel1and2connect.IVISWTCH_ERROR_CANNOT_CONNECT_TO_ITSELF(0xBFFA2015)ifchannels1and2areoneandthesamechannel.
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IVISWTCH_ERROR_PATH_NOT_FOUND(0xBFFA2011)ifthedrivercannotfindapathbetweenthetwochannels.
IviSwtchConnectChannelsDetails
Notes
1. Thepathsarebidirectional.Forexample,ifapathexistsfromchannelCH1toCH2,thenapathfromchannelCH2toCH1alsoexists.
2. ThisVIperformsinterchangeabilitycheckingwhentheIviSwtchInterchangeCheckpropertyissettoTRUE.UseNISpytoviewinterchangeabilitywarnings.Alternately,youmayusetheIviSwtchGetNextInterchangeWarningVItoretrieveinterchangeabilitywarnings.Formoreinformationaboutinterchangeabilitychecking,refertothehelptextfortheIviSwtchInterchangeCheckproperty.
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IviSwtchDisconnectAllChannelsIviSwtchBaseCapabilityGroupThisVIdisconnectsallpathscreatedsincetheIviSwtchInitializeVIorIviSwtchResetVIhasbeencalled.
NoteIftheswitchmoduleisnotcapableofdisconnectingallpaths,thisVIreturnsthewarningIVISWTCH_WARN_PATH_REMAINS(0x3FFA2001).
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchDisconnectChannelsIviSwtchBaseCapabilityGroupThisVIdestroysthepathbetweentwochannelsthatyoucreatewiththeIviSwtchConnectChannelsorIviSwtchSetPathVI.ThisVIreturnsassoonasthecommandisgiventotheswitchmoduleandtheswitchmoduleisreadyforanothercommand.Thismaybebeforeoraftertheswitchesinvolvedsettle.UsetheIviSwtchSwitchIsDebouncedVItoseeiftheswitchhassettled.UsetheIviSwtchWaitForDebounceVIifyouwanttowaituntiltheswitchhasdebounced.Ifsomeconnectionsremainafterdisconnectingthetwospecifiedchannels,thisVIreturnsthewarningIVISWTCH_WARN_PATH_REMAINS(0x3FFA2001)error.Ifnoexplicitpathexistsbetweenthetwospecifiedchannels,thisVIreturnstheIVISWTCH_ERROR_NO_SUCH_PATH(0xBFFA2008)errorwithoutperforminganydisconnectionoperation.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.channel1("")Youidentifyapathwithtwochannels.Passoneofthevirtualchannelnamesforwhichyouwanttodestroyapath.Passtheotherchannelnameasthechannel2parameter.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.
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DefaultValue:""
channel2("")Youidentifyapathwithtwochannels.Passoneofthevirtualchannelnamesforwhichyouwanttodestroyapath.Passtheotherchannelnameasthechannel1parameter.Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:""
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchGetChannelNameIviSwtchBaseCapabilityGroupThisVIreturnsthespecificdriverdefinedchannelnamethatcorrespondstotheone-basedindexyouspecify.IfthevalueyoupassfortheIndexparameterislessthanoneorgreaterthanthevalueoftheChannelCountproperty,theVIreturnsanemptystringintheNameparameterandreturnsanerror.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.
index(1)Aone-basedindexthatdefineswhichnametoreturn.TheindexmustbelessthanorequaltotheClassPrefixChannelCountproperty.instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.Thehandleidentifiesaparticularinstrumentsession.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
outputchannelnameReturnsthenameoftheChannelspecifiedbytheindexparameter.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchGetPathIviSwtchBaseCapabilityGroupInsomecasesthereismorethanonepossiblepathbetweentwochannels.ThedriverortheinstrumentselectsthepathwhenyouconnecttwochannelswiththeIviSwtchConnectChannelsVI.Thus,youcannotguaranteethateverycalltotheIviSwtchConnectChannelsVIestablishesexactlythesamepathwhenyoupassthesamechannels.ThisVIreturnsastringthatuniquelyidentifiesthepathyoucreatewiththeIviSwtchConnectChannelsVI.YoucanpassthisstringtotheIviSwtchSetPathVItoestablishtheexactsamepathinthefuture.Ifnoexplicitpathexistsbetweenthetwospecifiedchannels,thisVIreturnstheIVISWTCH_ERROR_NO_SUCH_PATH(0xBFFA2008)error.
NoteThisVIreturnsonlythosepathsthatyouexplicitlycreatebycallingIviSwtchConnectChannelsandIviSwtchSetPathVIs.Forexample,ifyouconnectchannelsCH1andCH3,andthenchannelsCH2andCH3,theexplicitpathbetweenchannelsCH1andCh2doesnotexistandthisVIreturnstheIVISWTCH_ERROR_NO_SUCH_PATH(0xBFFA2008)error.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.channel1("")Youidentifyapathwithtwochannels.Passoneofthevirtualchannelnamesforwhichyouwanttogetapath.Passtheotherchannelnameasthechannel2parameter.
Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.Youassignavirtualchannelnametoan
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instrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:""
channel2("")Youidentifyapathwithtwochannels.Passoneofthevirtualchannelnamesforwhichyouwanttogetapath.Passtheotherchannelnameasthechannel1parameter.
Virtualchannelnamesarealiasesforinstrumentspecificchannelstrings.Theinstrumentspecificchannelstringscandifferfromoneinstrumenttoanother.Virtualchannelnamesallowyoutouseandswapinstrumentswithouthavingtochangethechannelnamesinyoursourcecode.YouassignavirtualchannelnametoaninstrumentspecificchannelthroughMAX.Thiscontrolacceptsvirtualchannelnamesyouhaveassignedtothespecificinstrumentyouareusing.Italsoacceptstheinstrumentspecificchannelnames.DefaultValue:""
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.
Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.pathThecomma-separatedpathbetweenchannelsyouspecifyintheChannel1andChannel2parameters.
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.
Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchInitiateScanIviSwtchScannerCapabilityGroup[SCN]ThisVIinitiatesascanusingthescanlistandtriggersyouconfigurewiththeIviSwtchConfigureScanListandIviSwtchConfigureScanTrigger[SCN]VIs.Ifthereisnoscanlist,thisVIreturnstheerrorIVISWTCH_ERROR_EMPTY_SCAN_LIST(0xBFFA2004).ThisVIreturnsimmediately.
Onceyoustartthescanningoperation,youcannotperformanyotheroperationotherthanGetProperty,AbortScan,orSendSoftwareTrigger.AllotherVIsreturntheIVISWTCH_ERROR_SCAN_IN_PROGRESS(0xBFFA2006)error.Tostopthescanningoperation,calltheIviSwtchAbortScanVI.ThisVIappliesdefaultvaluestopropertiesthathavenotbeensetbyyouunderthefollowingconditions:IfyouhavenotsetthevalueofanypropertyintheIviSwtchScannerextension,thefollowingdefaultvaluesareused:IviSwtchScanList[SCN]—""(Emptystring)IviSwtchTriggerInput[SCN]—IVISWTCH_VAL_EXTERNALIviSwtchScanAdvancedOutput[SCN]—IVISWTCH_VAL_EXTERNALIviSwtchScanDelay[SCN]—0
Notes
1. Thepathsarebidirectional.Forexample,ifapathexistsfromchannelCH1toCH2,thenapathfromchannelCH2toCH1alsoexists.
2. ThisVIperformsinterchangeabilitycheckingwhentheIviSwtchInterchangeCheckpropertyissettoTRUE.UseNISpytoviewinterchangeabilitywarnings.Alternately,youmayusetheIviSwtchGetNextInterchangeWarningVItoretrieveinterchangeabilitywarnings.Formoreinformationabout
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interchangeabilitychecking,refertotheIviSwtchInterchangeCheckproperty.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchSendSoftwareTriggerIviSwtchSoftwareTriggerCapabilityGroup[SWT]ThisVIsendsacommandtotriggertheinstrument.YoumustsatisfycertainconditionsbeforeyoucansuccessfullycallthisVI.TheIviSwtchTriggerInputpropertyissettoIVISWTCH_VAL_SOFTWARE_TRIG.Ifthisconditionisnottrue,thisVIdoesnotsendthesoftwaretriggerandreturnstheerrorIVISWTCH_ERROR_TRIGGER_NOT_SOFTWARE.ThisVIdoesnotchecktheinstrumentstatus.Typically,theend-usercallsthisVIonlyinasequenceofcallstootherlow-leveldriverVIs.Thesequenceperformsoneoperation.Theend-userusesthelow-levelVIstooptimizeoneormoreaspectsofinteractionwiththeinstrument.Tochecktheinstrumentstatus,calltheIviSwtchError-QueryVIattheconclusionofthesequence.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchSetContinuousScanIviSwtchScannerCapabilityGroup[SCN]ThisVIsetsthecontinuousscanmodeontheinstrument.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.continuousscanstate(false)Specifieswhetherthecontinuousscanmodeisenabledordisabled.FALSE—disabledTRUE—enabled
errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchSetPathIviSwtchBaseCapabilityGroupThisVIconnectstwochannelsbyestablishingtheexactpathyouspecifywiththePathListparameter.ThisVIallowsyoutobypasstheautomaticroutingfeatureprovidedbytheIviSwtchdriver,andgivesyoudeterministiccontroloverthepaththatiscreatedbetweentwochannels.Youcanspecifytheexactpath,intermsofconfigurationchannels,usedtoconnecttwochannels.ThefirstandlastentriesinthepathListrepresentthetwochannelsyouwanttoconnect.
Thedrivermakesaconnectionbetweenthechannelsusingtheconfigurationchannels.Theseintermediarystepsarecalledlegsofthepath.Theformatofthelegofthepathisch1->conf1,wherech1andconf1arethetwochannelsthedriverusedtoestablishtheconnectionbetweenthefirstandthelastchannel.Thepathlistsyntaxisacomma-separatedlistofpathlegsthatobeythefollowingrules:
Thesecondchannelofaleginthepathlistmustbethesameasthefirstchannelinthesubsequentleg.Everychannelinthepathlistotherthanthefirstandthelastmustbeaconfigurationchannel.
Anexampleofapathlistis:ch1»conf1,conf1»ch2Thisstringisnotinterchangeablebecausethenamesofswitcheswithintheswitchmodulearenotrequiredtobeinterchangeableanddependontheinternalarchitectureoftheswitchmodule.However,youcanusetheIviSwtchConnectChannelsandthenIviSwtchGetPathVIstoretrieveanalreadyexistingpath.Thisallowsyoutoguaranteethattheroutingcanberecreatedexactly.Iftheinstrumentcannotparsetheinputpathliststring,thisVIreturnstheerrorIVISWTCH_ERROR_INVALID_SWITCH_PATH(0xBFFA2001).Ifthespecifiedpathliststringisempty,thisVIreturnstheerror
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IVISWTCH_ERROR_EMPTY_SWITCH_PATH(0xBFFA2005).Ifoneofthechannelsinthepathlistisaconfigurationchannelthatiscurrentlyinuse,thisVIreturnstheerrorIVISWTCH_ERROR_RSRC_IN_USE(0xBFFA2003).Ifanexplicitconnectionismadetoaconfigurationchannel,thisVIreturnstheerrorIVISWTCH_ERROR_IS_CONFIGURATION_CHANNEL(0xBFFA2009).Ifoneofthenon-terminalchannelsinthepathlistisnotaconfigurationchannel,thisVIreturnstheerrorIVISWTCH_ERROR_NOT_A_CONFIGURATION_CHANNEL(0xBFFA200A).Ifthepathlistattemptstoconnectbetweentwodifferentsourcechannels,thisVIreturnstheerrorIVISWTCH_ERROR_ATTEMPT_TO_CONNECT_SOURCES(0xBFFA200B).Ifthepathlistattemptstoconnectbetweenchannelsthatalreadyhaveanexplicitconnection,thisVIreturnstheerrorIVISWTCH_ERROR_EXPLICIT_CONNECTION_EXISTS(0xBFFA200C).Ifaleginthepathlistdoesnotbeginwithachannelname,thisVIreturnstheerrorIVISWTCH_ERROR_LEG_MISSING_FIRST_CHANNEL(0xBFFA200D).Ifaleginthepathlistismissingthesecondchannel,thisVIreturnstheerrorIVISWTCH_ERROR_LEG_MISSING_SECOND_CHANNEL(0xBFFA200E).Ifthefirstandthesecondchannelsinthelegarethesame,thisVIreturnstheerrorIVISWTCH_ERROR_CHANNEL_DUPLICATED_IN_LEG(0xBFFA200F).Ifachannelnameisduplicatedinthepathstring,thisVIreturnstheerrorIVISWTCH_ERROR_CHANNEL_DUPLICATED_IN_PATH(0xBFFA2010).Ifthefirstchannelofaleginthepathisnotthesameasthesecondchannelinthepreviousleg,thisVIreturnstheerrorIVISWTCH_ERROR_DISCONTINUOUS_PATH(0xBFFA2012).Ifthepathlistcontainsalegwithtwochannelsthatcannotbedirectly
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connected,thisVIreturnstheerrorIVISWTCH_ERROR_CANNOT_CONNECT_DIRECTLY(0xBFFA2013).Ifaleginthepathcontainstwochannelsthatarealreadydirectlyconnected,thisVIreturnstheerrorIVISWTCH_ERROR_CHANNELS_ALREADY_CONNECTED(0xBFFA2014).ThisVIappliesdefaultvaluestopropertiesthatarenotsetbyyouunderthefollowingcondition:(1)IfthevalueofanypropertyisnotsetintheIviSwtchScannerextension,thefollowingdefaultvaluesareused:IviSwtchScanList[SCN]—""(Emptystring)IviSwtchTriggerInput[SCN]—IVISWTCH_VAL_EXTERNALIviSwtchScanAdvancedOutput[SCN]—IVISWTCH_VAL_EXTERNALIviSwtchScanDelay[SCN]—0
Notes
1. Thepathsarebidirectional.Forexample,ifapathexistsfromCH1toCH2,thenapathfromCH2toCH1alsoexists.
2. ThisVIperformsinterchangeabilitycheckingwhentheIviSwtchInterchangeCheckpropertyissettoTRUE.UseNISpytoviewinterchangeabilitywarnings.Alternately,youmayusetheIviSwtchGetNextInterchangeWarningVItoretrieveinterchangeabilitywarnings.Formoreinformationaboutinterchangeabilitychecking,refertotheIviSwtchInterchangeCheckproperty.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.pathlist("")Passthepathlistforthepathyoupreviouslycreatedthatyouwanttheswitchmoduletoestablish.YouobtainthepathlistforapathyoupreviouslycreatedwiththeIviSwtchGetPathVI.Example:ThepathfromCh1toCh3overConf1is:"Ch1»Conf1,Conf1»Ch3"
errorin(noerror)Theerrorinclustercanaccepterrorinformation
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wiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchSwitchIsDebouncedIviSwtchBaseCapabilityGroupThisVIreturnsavaluethatindicateswhetherallthepathsthatyoupreviouslycreatedhavesettled.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.isdebouncedIndicatesthestateoftheswitchmodule.ThedriverreturnsthevalueoftheIviSwtchIsDebouncedproperty.TRUEindicatesthatallthepathsthatyoucreatedhavesettled.FALSEindicatesthatallthepathsthatyoucreatedhavenotsettled.
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchSwitchIsScanningIviSwtchScannerCapabilityGroup[SCN]ThisVIreturnsthestateoftheswitchmodule.Itindicatesiftheinstrumentiscurrentlyscanningorisidle.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.isscanningIndicatesthestateoftheswitchmodule.ThedriverreturnsthevalueofIviSwtchIsScanning[SCN]property.TRUEindicatesthattheswitchmoduleisscanning.FALSEindicatesthattheswitchmoduleisidle.
erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchWaitForDebounceIviSwtchBaseCapabilityGroupCallingthisVIcausesthedrivertoreturnprocesscontrolbacktoyouonlyafterallthepathsthatyoupreviouslycreatedhavesettled.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.maximumtime(1000ms)SpecifiesthemaximumlengthoftimeforthisVItowaituntilallswitchesintheswitchmoduledebounce.Ifthetimeyouspecifyelapsesbeforeallswitchesdebounce,thisVIreturnsatimeouterror.Theunitsaremilliseconds.DefaultValue:1000(ms)
NoteTheMaximumTimeparameteraffectsonlythisVI.Ithasnoeffectonothertimeoutparametersorproperties.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchWaitForScanToCompleteIviSwtchScannerCapabilityGroup[SCN]ThisVIwaitsuntiltheinstrumentstopsscanningorthetimeyouspecifiedhaselapsed.Iftheswitchmoduleisnotcurrentlyscanningthroughthescanlist,thisVIreturnstheIVISWTCH_ERROR_NO_SCAN_IN_PROGRESS(0xBFFA2007)error.Ifthetimeyouspecifiedelapsesbeforetheinstrumentstopsscanning,thisVIreturnsanerror.
instrumenthandleTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.maximumtime(1000ms)SpecifiesthemaximumlengthoftimeforthisVItowaituntiltheinstrumentstopsscanning.Ifthetimeyouspecifyelapsesbeforeitstopsscanning,thisVIreturnsatimeouterror.Theunitsaremilliseconds.Defaultvalue:1000ms.
NoteTheMaximumTimeparameteraffectsonlythisVI.Ithasnoeffectonothertimeoutparametersorproperties.errorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
instrumenthandleoutTheinstrumenthandlethatyouobtainfromtheIviSwtchInitializeorIviSwtchInitializeWithOptionsVI.erroroutTheerroroutclusterpasseserrororwarninginformation
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outofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
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IviSwtchPropertiesExpandthisbooktoviewanalphabetizedlistofIviSwtchproperties.
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IviSwtchMaximumACVoltageIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO Channel N/A None
DescriptionThischannel-basedpropertyreturnsthemaximumACvoltagethechannelcanswitch.TheunitsarevoltsRMS.Thevaluesforthispropertyareonper-channelbasisandmaynottakeintoaccounttheotherswitchesthatmakeupapathtoorfromthischannel.PropertyNodePathIviSwtch»ModuleCharacteristics»MaximumACVoltage
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IviSwtchBandwidthIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO Channel N/A None
DescriptionThischannel-basedpropertyreturnsthebandwidthforthechannel.Theunitsarehertz.Thevaluesforthispropertyareonper-channelbasisandmaynottakeintoaccounttheotherswitchesthatmakeupapathtoorfromthischannel.PropertyNodePathIviSwtch»ModuleCharacteristics»Bandwidth
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IviSwtchMaximumCarryACCurrentIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO Channel N/A None
DescriptionThischannel-basedpropertyreturnsthemaximumACcurrentthechannelcancarry.TheunitsareamperesRMS.Thevaluesforthispropertyareonper-channelbasisandmaynottakeintoaccounttheotherswitchesthatmakeupapathtoorfromthischannel.PropertyNodePathIviSwtch»ModuleCharacteristics»MaximumCarryACCurrent
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IviSwtchMaximumCarryACPowerIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO Channel N/A None
DescriptionThischannel-basedpropertyreturnsthemaximumACpowerthechannelcancarry.Theunitsarevolt-amperes.Thevaluesforthispropertyareonper-channelbasisandmaynottakeintoaccounttheotherswitchesthatmakeupapathtoorfromthischannel.PropertyNodePathIviSwtch»ModuleCharacteristics»MaximumCarryACPower
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IviSwtchMaximumCarryDCCurrentIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO Channel N/A None
DescriptionThischannel-basedpropertyreturnsthemaximumDCcurrentthechannelcancarry.Theunitsareamperes.Thevaluesforthispropertyareonper-channelbasisandmaynottakeintoaccounttheotherswitchesthatmakeupapathtoorfromthischannel.PropertyNodePathIviSwtch»ModuleCharacteristics»MaximumCarryDCCurrent
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IviSwtchMaximumCarryDCPowerIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO Channel N/A None
DescriptionThischannel-basedpropertyreturnsthemaximumDCpowerthechannelcanswitch.Theunitsarewatts.Thevaluesforthispropertyareonper-channelbasisandmaynottakeintoaccounttheotherswitchesthatmakeupapathtoorfromthischannel.PropertyNodePathIviSwtch»ModuleCharacteristics»MaximumCarryDCPower
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IviSwtchChannelCountIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO N/A None None
DescriptionReturnsthenumberofchannelavailableontheinstrument.PropertyNodePathIviSwtch&»InherentIVISettings»SpecificDriverCapabilities»ChannelCount
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IviSwtchCharacteristicImpedanceIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO Channel N/A None
DescriptionThischannel-basedpropertyreturnsthecharacteristicimpedanceforthechannel.Theunitsareohms.Thevaluesforthispropertyareonper-channelbasisandmaynottakeintoaccounttheotherswitchesthatmakeupapathtoorfromthischannelPropertyNodePathIviSwtch»ModuleCharacteristics»CharacteristicImpedance
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IviSwtchIsConfigurationChannelIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
R/W Channel None None
DescriptionThischannel-basedpropertyspecifieswhethertoreservethechannelforinternalpathcreation.Achannelthatisavailableforinternalpathcreationiscalledaconfigurationchannel.ThedrivermayuseconfigurationchannelstocreatepathsbetweentwochannelsyouspecifyintheIviSwtchConnectChannelsVI.Configurationchannelsarenotavailableforexternalconnections.SetthispropertytoTRUEtomarkthechannelasaconfigurationchannel.SetthispropertytoFALSEtomarkthechannelasavailableforexternalconnections.Afteryouidentifyachannelasaconfigurationchannel,youcannotusethatchannelforexternalconnections.TheIviSwtchConnectChannelsVIreturnstheIVISWTCH_ERROR_IS_CONFIGURATION_CHANNELerrorwhenyouattempttoestablishaconnectionbetweenaconfigurationchannelandanyotherchannel.PropertyNodePathIviSwtch»ChannelConfiguration»IsConfigurationChannel
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IviSwtchContinuousScan[SCN]IviSwtchScannerProperty[SCN]DataType
Access Appliesto
Coercion HighLevelVIs
R/W N/A N/A IviSwtchSetContinuousScan
DescriptionThispropertyspecifieswhethertheswitchmodulecontinuesscanningfromthetopofthescanlistafterreachingtheendofthelist.AvalueofTRUEindicatesthattheswitchmodulecontinuouslyscans.AvalueofFALSEindicatesthattheswitchmoduledoesnotcontinuouslyscan.IfyousetthispropertytoTRUE,theVIIviSwtchWaitForScanToCompletealwaystimesout,andyoumustcallIviSwtchAbortScantostopthescan.PropertyNodePathIviSwtch»ScanningConfiguration»ContinuousScan
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IviSwtchMaximumDCVoltageIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO Channel N/A None
DescriptionThischannel-basedpropertyreturnsthemaximumDCvoltagethechannelcanswitch.Theunitsarevolts.Thevaluesforthispropertyareonper-channelbasisandmaynottakeintoaccounttheotherswitchesthatmakeupapathtoorfromthischannel.PropertyNodePathIviSwtch»ModuleCharacteristics»MaximumDCVoltage
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IviSwtchIsDebouncedIviSwtchBasePropertyDataType
Access Appliesto
Coercion HighLevelVIs
RO N/A N/A IviSwtchSwitchIsDebounced
DescriptionThispropertyindicateswhethertheentireswitchmodulehassettledsincethelastswitchingcommand.AvalueofTRUEindicatesthatallsignalsgoingthroughtheswitchmodulearevalid.PropertyNodePathIviSwtch»ModuleCharacteristics»IsDebounced
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IviSwtchNumberofColumns[SCN]IviSwtchScannerProperty[SCN]DataType Access Appliesto Coercion HighLevelVIs
RO N/A N/A None
DescriptionThispropertyreturnsthenumberofcolumnsofamatrixorscanner.Iftheswitchmoduleisascanner,thisvalueisthenumberofinputchannels.TheIviSwtchWireModepropertyaffectsthenumberofavailablecolumns.Forexample,ifyourmodulehas8inputlinesandyouusethe4-wiremode,thenthenumberofcolumnsyouhaveavailableis2.PropertyNodePathIviSwtch»MatrixConfiguration»NumberofColumns[SCN]
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IviSwtchNumberofRows[SCN]IviSwtchScannerProperty[SCN]DataType Access Appliesto Coercion HighLevelVIs
RO N/A N/A None
DescriptionThispropertyreturnsthenumberofrowsofamatrixorscanner.Iftheswitchmoduleisascanner,thisvalueisthenumberofoutputchannels.TheIviSwtchWireModepropertyaffectsthenumberofavailablerows.Forexample,ifyourmodulehas2outputlinesandyouusethe2-wiremode,thenthenumberofrowsyouhaveavailableis1.PropertyNodePathIviSwtch»MatrixConfiguration»NumberofRows[SCN]
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IviSwtchScanAdvancedOutput[SCN]IviSwtchScannerProperty[SCN]DataType
Access Appliesto
Coercion HighLevelVIs
R/W N/A None IviSwtchConfigureScanTrigger
DescriptionThispropertyspecifiesthemethodyouwanttousetonotifyanotherinstrumentthatallsignalsgoingthroughtheswitchmodulehavesettledfollowingtheprocessingofoneentryinthescanlist.Thistriggerisassertedeachtimeapathiscreated.Thistriggershouldnotbeasserteduntilaftersufficientsettlingtimehasbeengivenforthepath.TheIVISWTCH_VAL_EXTERNALvaluemeansthetriggerisgoingouttoanexternaldevicethroughatriggeroutputconnection.PropertyNodePathIviSwtch»ScanningConfiguration»ScanAdvancedOutput[SCN]DefinedValuesIVISWTCH_VAL_NONEIVISWTCH_VAL_EXTERNALIVISWTCH_VAL_GPIB_SRQIVISWTCH_VAL_TTL0IVISWTCH_VAL_TTL1IVISWTCH_VAL_TTL2IVISWTCH_VAL_TTL3IVISWTCH_VAL_TTL4IVISWTCH_VAL_TTL5IVISWTCH_VAL_TTL6IVISWTCH_VAL_TTL7IVISWTCH_VAL_ECL0IVISWTCH_VAL_ECL1
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IVISWTCH_VAL_PXI_STARIVISWTCH_VAL_RTSI_0IVISWTCH_VAL_RTSI_1IVISWTCH_VAL_RTSI_2IVISWTCH_VAL_RTSI_3IVISWTCH_VAL_RTSI_4IVISWTCH_VAL_RTSI_5IVISWTCH_VAL_RTSI_6
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IviSwtchScanDelay[SCN]IviSwtchScannerProperty[SCN]DataType
Access Appliesto
Coercion HighLevelVIs
R/W N/A None IviSwtchConfigureScanTrigger
DescriptionThispropertyspecifiestheminimumamountoftimetheswitchmodulewaitsbeforeitassertsthescanadvancedoutputtriggerafteropeningorclosingtheswitch.Theswitchmodulealwayswaitsfordebouncebeforeassertingthetrigger.Thus,theactualdelayisalwaysthegreatervalueofthesettlingtimeandthevalueyouspecifyastheswitchdelay.Theunitsareseconds.Duetodifferentdesignsoftheswitchmodules,theactualtimemightbelonger.PropertyNodePathIviSwtch»ScanningConfiguration»ScanDelay[SCN]
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IviSwtchScanList[SCN]IviSwtchScannerProperty[SCN]DataType Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSwtchConfigureScanList
DescriptionThispropertycontainsascanlist,whichisastringthatspecifieschannelconnectionsandtriggerconditions.TheIviSwtchInitiateScan[SCN]VImakesorbreaksconnectionsandwaitsfortriggersaccordingtotheinstructionsinthescanlist.Thescanlistiscomprisedofchannelnamesthatyouseparatewithspecialcharacters.Thesespecialcharactersdeterminetheoperationsthescannerperformsonthechannelswhenitexecutesthisscanlist.Thelistscanlistcontainsthechannels,intheordertobescanned.Youcanrefertothefollowingtableforscanlistsyntax.
Symbol SymbolName
Description SyntaxExamples
; Semi-colon Thischaracterinstructsthedrivertowaitforaninputtriggereventbeforeproceedingtothenextinstructioninthescanliststring.Intheexample,thedrivernotifiestheswitchmoduletocreateapathfromchannelCH1tochannelCH2,waitforatrigger,andthencreateapathfromchannelCH3tochannelCH4.
CH1->CH2;CH3->CH4
& Ampersand Thischaracterinstructsthedrivertoconnectallthepathsseparatedbythesymbolatthesametime,beforethenexttriggerevent.However,thedriverdoesnotguaranteetheorderofconnection,exceptthatallconnectionsaresettledbeforethenexttriggerevent.Intheexample,thedrivernotifiestheswitchmoduletocreatea
CH1->CH2&CH3->CH4;A->B
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pathbetweenchannelsCH1andCH2andbetweenchannelsCH3andCH4,notnecessarilyinthatorder.TheswitchmodulethenwaitsforatriggerbeforeconnectingchannelAtochannelB.
~ Tilde Thischaracterinstructsthedrivertodisconnectapath.Intheexample,thedrivernotifiestheswitchmoduletodisconnectchannelCH1fromchannelCH2.Noticethatonlyapathconnectioneventgenerateascan-advancedtrigger.Disconnectingapathwillnotgenerateascan-advancedtrigger.
~CH1->CH2
-> ChannelPair
Thissymbolsignifiesachannelpair,whichinstructsthedrivertocreateapathbetweenthetwochannelsseparatedbythesymbol.Intheexample,thedrivernotifiestheswitchmoduletocreateapathfromchannelCH1tochannelCH2.
CH1->CH2
PropertyNodePathIviSwtch»ScanningConfiguration»ScanList[SCN]
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IviSwtchScanMode[SCN]IviSwtchScannerProperty[SCN]DataType Access Appliesto Coercion HighLevelVIs
R/W N/A None IviSwtchConfigureScanList
DescriptionThispropertyspecifieswhathappenstoexistingconnectionsthatconflictwiththeconnectionsyoumakeinascanlist.Forexample,ifCH1isalreadyconnectedtoCH2andthescanlistinstructstheswitchmoduletoconnectCH1toCH3,thispropertyspecifieswhathappenstotheconnectionbetweenCH1andCH2.IfthevalueofthispropertyisIVISWTCH_VAL_NONE,theswitchmoduletakesnoactiononexistingpaths.IfthevalueisIVISWTCH_VAL_BREAK_BEFORE_MAKE,theswitchmodulebreaksconflictingpathsbeforemakingnewones.IfthevalueisIVISWTCH_VAL_BREAK_AFTER_MAKE,theswitchmodulebreaksconflictingpathsaftermakingnewones.Mostswitchmodulessupportonlyoneofthepossiblevalues.Insuchcases,thispropertyservesasanindicatorofthemodule'sbehavior.IVISWTCH_VAL_BREAK_BEFORE_MAKE—tellsthedrivertobreakthepreviouspathsbeforemakingthenewpaths.IVISWTCH_VAL_BREAK_AFTER_MAKE—tellsthedrivertomakenewpathsbeforebreakingthepreviouspaths.IVISWTCH_VAL_NONE_for_SCAN_MODE—indicatesthatnoactionshouldbetakenonthepreviouspaths.Youmustsupportatleastonevaluetosupportthisproperty.PropertyNodePathIviSwtch»ScanningConfiguration»ScanMode[SCN]DefinedValuesIVISWTCH_VAL_NONEIVISWTCH_VAL_BREAK_BEFORE_MAKEIVISWTCH_VAL_BREAK_AFTER_MAKE
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IviSwtchIsScanning[SCN]IviSwtchScannerProperty[SCN]DataType Access Appliesto Coercion HighLevelVIs
RO N/A N/A IviSwtchSwitchIsScanning
DescriptionThispropertyindicateswhethertheswitchmodulehascompletedthescanoperation.ThevalueTRUEindicatesthatthescaniscomplete.PropertyNodePathIviSwtch»ScanningConfiguration»IsScanning[SCN]
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IviSwtchSettlingTimeIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO Channel N/A None
DescriptionThischannel-basedpropertyreturnsthemaximumlengthoftimefromafteryoumakeaconnectionuntilthesignalflowingthroughthechannelsettles.Theunitsareseconds.Thevaluesforthispropertyareonper-channelbasisandmaynottakeintoaccounttheotherswitchesthatmakeupapathtoorfromthischannel.PropertyNodePathIviSwtch»ModuleCharacteristics»SettlingTime
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IviSwtchIsSourceChannelIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
R/W Channel None None
DescriptionThischannel-basedpropertyspecifieswhetheryouwanttoidentifythechannelasasourcechannel.Typically,yousetthispropertytoTRUEwhenyouattachthechanneltoapowersupply,afunctiongenerator,oranactivemeasurementpointontheunitundertest,andyoudonotwanttoconnectthechanneltoanothersource.Thedriverpreventssourcechannelsfromconnectingtoeachother.TheConnectChannelsVIreturnstheIVISWTCH_ERROR_ATTEMPT_TO_CONNECT_SOURCESerrorwhenyouattempttoconnecttwochannelsthatyouidentifyassourcechannels.PropertyNodePathIviSwtch»ChannelConfiguration»IsSourceChannel
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IviSwtchMaximumSwitchingACCurrentIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO Channel N/A None
DescriptionThischannel-basedpropertyreturnsthemaximumACcurrentthechannelcanswitch.TheunitsareamperesRMS.Thevaluesforthispropertyareonper-channelbasisandmaynottakeintoaccounttheotherswitchesthatmakeupapathtoorfromthischannel.PropertyNodePathIviSwtch»ModuleCharacteristics»MaximumSwitchingACCurrent
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IviSwtchMaximumSwitchingACPowerIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO Channel N/A None
DescriptionThischannel-basedpropertyreturnsthemaximumACpowerthechannelcanswitch.Theunitsarevolt-amperes.Thevaluesforthispropertyareonper-channelbasisandmaynottakeintoaccounttheotherswitchesthatmakeupapathtoorfromthischannel.PropertyNodePathIviSwtch»ModuleCharacteristics»MaximumSwitchingACPower
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IviSwtchMaximumSwitchingDCCurrentIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO Channel N/A None
DescriptionThischannel-basedpropertyreturnsthemaximumDCcurrentthechannelcancarry.Theunitsareamperes.Thevaluesforthispropertyareonper-channelbasisandmaynottakeintoaccounttheotherswitchesthatmakeupapathtoorfromthischannel.PropertyNodePathIviSwtch»ModuleCharacteristics»MaximumSwitchingDCCurrent
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IviSwtchMaximumSwitchingDCPowerIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO Channel N/A None
DescriptionThischannel-basedpropertyreturnsthemaximumDCpowerthechannelcanswitch.Theunitsarewatts.Thevaluesforthispropertyareonper-channelbasisandmaynottakeintoaccounttheotherswitchesthatmakeupapathtoorfromthischannel.PropertyNodePathIviSwtch»ModuleCharacteristics»MaximumSwitchingDCPower
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IviSwtchTriggerInput[SCN]IviSwtchScannerProperty[SCN]DataType
Access Appliesto
Coercion HighLevelVIs
R/W N/A None IviSwtchConfigureScanTrigger
DescriptionThispropertyspecifiesthesourceofthetriggerforwhichtheswitchmodulecanwaitwhenprocessingascanlist.Theswitchmodulewaitsforatriggerwhenitencountersasemicoloninascanlist.Whenthetriggeroccurs,theswitchmoduleadvancestothenextentryinthescanlist.Thistriggertellstheswitchmoduletoadvancetothenextentryinthescanlistandclosethespecifiedchannel.TheIVISWTCH_VAL_IMMEDIATEvalueindicatesthattheswitchmoduledoesnotwaitforatriggerbeforestartingthenextentryinthescan.ThisistypicallydoneforswitchmodulesthatsupporttheIviSwtchScanDelaypropertyandcanthereforehavetheswitchmodulepaceitself.TheIVISWTCH_VAL_EXTERNALvaluemeansthetriggeriscomingfromanexternalsourcethroughatriggerinputconnection.PropertyNodePathIviSwtch»ScanningConfiguration»TriggerInput[SCN]DefinedValuesIVISWTCH_VAL_IMMEDIATEIVISWTCH_VAL_EXTERNALIVISWTCH_VAL_SOFTWARE_TRIGIVISWTCH_VAL_TTL0IVISWTCH_VAL_TTL1IVISWTCH_VAL_TTL2IVISWTCH_VAL_TTL3IVISWTCH_VAL_TTL4IVISWTCH_VAL_TTL5
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IVISWTCH_VAL_TTL6IVISWTCH_VAL_TTL7IVISWTCH_VAL_ECL0IVISWTCH_VAL_ECL1IVISWTCH_VAL_PXI_STARIVISWTCH_VAL_RTSI_0IVISWTCH_VAL_RTSI_1IVISWTCH_VAL_RTSI_2IVISWTCH_VAL_RTSI_3IVISWTCH_VAL_RTSI_4IVISWTCH_VAL_RTSI_5IVISWTCH_VAL_RTSI_6
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IviSwtchWireModeIviSwtchBasePropertyDataType Access Appliesto Coercion HighLevelVIs
RO Channel None None
DescriptionThispropertyspecifiesthewiremodeoftheswitchmodule.ThispropertyaffectsthevaluesoftheIviSwtchNumberofRowsandIviSwtchNumberofColumnsproperties.Theactualnumberofinputandoutputlinesontheswitchmoduleisfixed,butthenumberofchannelsdependsonhowmanylinesconstituteeachchannel.PropertyNodePathIviSwtch»MatrixConfiguration»WireMode
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IviSwtchDefinedValuesExpandthisbooktoviewanalphabetizedlistofIviSwtchdefinedvalues.
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IVISWTCH_VAL_BREAK_AFTER_MAKEforIVISWTCH_ATTR_SCAN_MODETellsthedrivertomakethenewpathsbeforebreakingthepreviouspaths.DefinedValue:2
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IVISWTCH_VAL_BREAK_BEFORE_MAKEforIVISWTCH_ATTR_SCAN_MODETellsthedevicestobreakthepreviouspathsbeforemakingthenewpaths.DefinedValue:1
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IVISWTCH_VAL_ECL0AbackplaneECL0trigger,suchasisfoundintheVXIbus.DefinedValue:119
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IVISWTCH_VAL_ECL1AbackplaneECL1trigger,suchasisfoundintheVXIbus.DefinedValue:120
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IVISWTCH_VAL_EXTERNALMeansthetriggerisgoingouttoanexternaldevicethroughatriggeroutputconnection.DefinedValue:2
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IVISWTCH_VAL_EXTERNAL(forIVISWTCH_ATTR_SCAN_ADVANCED_OUTPUT)ThescanadvancedoutputtriggerisrepresentedasanexternaltriggereventDefinedValue:2
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IVISWTCH_VAL_EXTERNAL(forIVISWTCH_ATTR_TRIGGER_INPUT)Indicatesthatthetriggeriscomingfromanexternalsourcethroughatriggerinputconnection.DefinedValue:2
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IVISWTCH_VAL_GPIB_SRQThescanadvancedoutputtriggerisrepresentedasaGPIBSRQevent.DefinedValue:5
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IVISWTCH_VAL_IMMEDIATEIndicatesthattheswitchmoduledoesnotwaitforatriggerbeforestartingthenextentryinthescan.DefinedValue:1
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IVISWTCH_VAL_NONE(for_SCAN_ADVANCED_OUTPUT)Noscanadvancedoutputtriggerissentoutoftheswitchmodule.DefinedValue:0
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IVISWTCH_VAL_NONE(for_SCAN_MODE)Indicatesthatnoactionshouldbetakenonthepreviouspaths.DefinedValue:0
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IVISWTCH_VAL_NONE_for_SCAN_ADVANCED_OUTPUTNoscanadvancedoutputtriggerissentoutoftheswitchmodule.DefinedValue:0
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IVISWTCH_VAL_NONEforIviSwtchScanModeIndicatesthatnoactionshouldbetakenonthepreviouspaths.DefinedValue:0
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IVISWTCH_VAL_PXI_STARAPXIstartriggerbus.DefinedValue:125
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IVISWTCH_VAL_RTSI_0TheRTSI0triggerlineusuallyfoundinDAQinstruments.DefinedValue:140
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IVISWTCH_VAL_RTSI_1TheRTSI1triggerlineusuallyfoundinDAQinstruments.DefinedValue:141
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IVISWTCH_VAL_RTSI_2TheRTSI2triggerlineusuallyfoundinDAQinstruments.DefinedValue:142
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IVISWTCH_VAL_RTSI_3TheRTSI3triggerlineusuallyfoundinDAQinstruments.DefinedValue:143
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IVISWTCH_VAL_RTSI_4TheRTSI4triggerlineusuallyfoundinDAQinstruments.DefinedValue:144
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IVISWTCH_VAL_RTSI_5TheRTSI5triggerlineusuallyfoundinDAQinstruments.DefinedValue:145
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IVISWTCH_VAL_RTSI_6TheRTSI6triggerlineusuallyfoundinDAQinstruments.DefinedValue:146
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IVISWTCH_VAL_SOFTWARE_TRIGThetriggerisasoftwarecommandsentbytheprogramthoughtheIviSwtch_SendSoftwareTriggeroperation.IfyousettheIVISWTCH_ATTR_TRIGGER_INPUTpropertytothisvalue,theinstrumentcanonlybetriggeredbycallingtheIviSwtch_SendSoftwareTriggerfunction.DefinedValue:3
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IVISWTCH_VAL_TTL0AbackplaneTTLtrigger,suchastheVXIbusTTL0orPXITRIG0.DefinedValue:111
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IVISWTCH_VAL_TTL1AbackplaneTTLtrigger,suchastheVXIbusTTL1orPXITRIG1.DefinedValue:112
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IVISWTCH_VAL_TTL2AbackplaneTTLtrigger,suchastheVXIbusTTL2orPXITRIG2.DefinedValue:113
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IVISWTCH_VAL_TTL3AbackplaneTTLtrigger,suchastheVXIbusTTL3orPXITRIG3.DefinedValue:114
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IVISWTCH_VAL_TTL4AbackplaneTTLtrigger,suchastheVXIbusTTL4orPXITRIG4.DefinedValue:115
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IVISWTCH_VAL_TTL5AbackplaneTTLtrigger,suchastheVXIbusTTL5orPXITRIG5.DefinedValue:116
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IVISWTCH_VAL_TTL6AbackplaneTTLtrigger,suchastheVXIbusTTL6orPXITRIG6.DefinedValue:117
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IVISWTCH_VAL_TTL7AbackplaneTTLtrigger,suchastheVXIbusTTL7orPXITRIG7.DefinedValue:118
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PropertiesforControllingIviSwtchSimulationNoteYoucansetSimulationAttributesinMAXontheInitialSettingstabofIVIDrivers»Advanced»SimulationDriverSessions»nisIviClassorinthesimulationinteractivepanels.RefertoNationalInstrumentsIVIDriverHelp»ConfiguringYourSystemformoreinformation.
TwosetsofpropertiesexistforusewiththeIviSwtchSimulationDriver.Thefollowingtabledescribespropertiesthatcontrolbehaviorofthedriver.Anothertablelistspropertiesthatsimulatethestatusofspecificdriverfunctions.
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PropertiesforControllingIviSwtchSimulation
Name DataType Access Applies
to Description
INTERACTIVE_SIMULATION Boolean W N/A Specifieswhethertosetthedrivertointeractivemode.Ininteractivemode,thesimulationdriverusespop-upuserinterfacepanelsforgettinginformationfromyou.Non-interactivemodeisusefulwhenyoudonotwanttheinteractivepanelstointerruptyourtestprogram.
SELF_TEST_CODE Integer W N/A Specifiestheself-testcode.WhentheIviSwtchSelf-TestVIiscalled,theself-testresultparameterreturnsthis
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value.SELF_TEST_MSG String W N/A Specifiesthe
self-testmessage.WhentheIviSwtchSelf-TestVIiscalled,theself-testmessageparameterreturnsthisstring.
ERROR_QUERY_CODE Integer W N/A Specifiestheerror-querycode.WhentheIviSwtchError-QueryVIiscalled,theerrorcodeparameterreturnsthisvalue.
ERROR_QUERY_MSG String W N/A Specifiestheerror-querymessage.WhentheIviSwtchError-QueryVIiscalled,theerrormessageparameterreturnsthisstring.
DRIVER_REV_QUERY String W N/A Specifiestheinstrument
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driverrevisionmessage.WhentheIviSwtchRevisionQueryVIiscalled,theinstrumentdriverrevisionparameterreturnsthisstring.
INSTR_REV_QUERY String W N/A Specifiesthefirmwarerevisionmessage.WhentheIviSwtchRevisionQueryVIiscalled,thefirmwarerevisionparameterreturnsthisstring.
SIMULATE_STATUS_CODE Boolean W N/A SpecifieswhethertosimulatereturncodesfromtheIviSwtchdriverVIs.RefertotheIviSwtchPropertiesforStatusSimulation
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table.
RelatedTopicsSettingUpSimulatedErrorsSettingUpSimulationforVXIplug&playVIs
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PropertiesforStatusSimulationinIviSwtchWhenanIviSwtchdriverfunctioniscalled,thedriverquerieswhetherNISSWTCH_ATTR_SIMULATE_STATUS_CODEisenabled.Ifenabled,thedrivergetstheappropriatefunction'ssimulationstatuscode.Ifthevalueofthesimulationstatuscoderepresentsawarning(hasapositivevalue),thenitisreturnedasthefunction'sreturnstatusonlyifnoothererrororwarningoccurredbeforethefunctionends.Ifthevalueofthesimulationstatuscoderepresentsanerror(hasanegativevalue),thenitisreturnedasthefunction'sreturnstatusonlyifnoothererroroccurredbeforethefunctionends.ThefollowingIviSwtchVIsdonotsupportstatuscodesimulation:
IviSwtchGetErrorIviSwtchClearErrorIviSwtchGetNextInterchangeWarningIviSwtchResetNextInterchangeWarningIviSwtchClearNextInterchangeWarningIviSwtchGetNextCoercionRecord
EachVIsupportedbytheIviSwtchclassdriverhasacorrespondingpropertythatdeterminesthestatuscodetoreturnwhenstatuscodesimulationisenabled.ThefollowingtableliststhestatuscodepropertiesandtheVIforwhichtheyreturnavalue.ThesepropertiesarealloftypeViInt32,non-readable,andnon-channelbased.
NoteInthefollowingtable,theliteralstringNISSWTCH_ATTR_precedesallpropertynames.
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IviSwtchPropertiesforStatusSimulationProperty VIINIT_STATUS IviSwtchInitialize,IviSwtch
InitializeWithOptionsCLOSE_STATUS IviSwtchCloseRESET_STATUS IviSwtchResetSELF_TEST_STATUS IviSwtchSelf-TestERROR_QUERY_STATUS IviSwtchError-QueryERROR_MESSAGE_STATUS IviSwtchErrorMessageREVISION_QUERY_STATUS IviSwtchRevisionQueryRESET_DEFAULT_STATUS IviSwtchResetWithDefaultsDISABLE_STATUS IviSwtchDisableINVALIDATE_STATUS IviSwtchInvalidateAll
AttributesGET_CH_NAME_STATUS IviSwtchGetChannelNameCAN_CONNECT_STATUS IviSwtchCanConnect
ChannelsCONNECT_STATUS IviSwtchConnectChannelsDISCONNECT_STATUS IviSwtchDisconnectChannelsDISCONNECT_ALL_STATUS IviSwtchDisconnectAll
ChannelsGET_PATH_STATUS IviSwtchGetPathIS_DEBOUNCED_STATUS IviSwtchSwitchIsDebouncedSET_PATH_STATUS IviSwtchSetPathWAIT_FOR_DEBOUNCE_STATUS IviSwtchWaitForDebounceABORT_SCAN_STATUS IviSwtchAbortScanCONFIGURE_SCAN_LIST_STATUS IviSwtchConfigureScanListCONFIGURE_SCAN_TRIGGER_STATUS IviSwtchConfigureScan
TriggerINITIATE_SCAN_STATUS IviSwtchInitiateScan
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IS_SCANNING_STATUS IviSwtchSwitchIsScanningSET_CONTINUOUS_SCAN_STATUS IviSwtchSetContinuousScanWAIT_FOR_SCAN_COMPLETE_STATUS IviSwtchWaitForScanTo
CompleteSEND_SOFTWARE_TRIGGER_STATUS IviSwtchSendSoftware
Trigger
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ImportantInformationWarrantyCopyrightTrademarksPatentsWarningRegardingUseofNIProducts
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WarrantyThemediaonwhichyoureceiveNationalInstrumentssoftwarearewarrantednottofailtoexecuteprogramminginstructions,duetodefectsinmaterialsandworkmanship,foraperiodof90daysfromdateofshipment,asevidencedbyreceiptsorotherdocumentation.NationalInstrumentswill,atitsoption,repairorreplacesoftwaremediathatdonotexecuteprogramminginstructionsifNationalInstrumentsreceivesnoticeofsuchdefectsduringthewarrantyperiod.NationalInstrumentsdoesnotwarrantthattheoperationofthesoftwareshallbeuninterruptedorerrorfree.AReturnMaterialAuthorization(RMA)numbermustbeobtainedfromthefactoryandclearlymarkedontheoutsideofthepackagebeforeanyequipmentwillbeacceptedforwarrantywork.NationalInstrumentswillpaytheshippingcostsofreturningtotheownerpartswhicharecoveredbywarranty.NationalInstrumentsbelievesthattheinformationinthisdocumentisaccurate.Thedocumenthasbeencarefullyreviewedfortechnicalaccuracy.Intheeventthattechnicalortypographicalerrorsexist,NationalInstrumentsreservestherighttomakechangestosubsequenteditionsofthisdocumentwithoutpriornoticetoholdersofthisedition.ThereadershouldconsultNationalInstrumentsiferrorsaresuspected.InnoeventshallNationalInstrumentsbeliableforanydamagesarisingoutoforrelatedtothisdocumentortheinformationcontainedinit.EXCEPTASSPECIFIEDHEREIN,NATIONALINSTRUMENTSMAKESNOWARRANTIES,EXPRESSORIMPLIED,ANDSPECIFICALLYDISCLAIMSANYWARRANTYOFMERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE.CUSTOMER'SRIGHTTORECOVERDAMAGESCAUSEDBYFAULTORNEGLIGENCEONTHEPARTOFNATIONALINSTRUMENTSSHALLBELIMITEDTOTHEAMOUNTTHERETOFOREPAIDBYTHECUSTOMER.NATIONALINSTRUMENTSWILLNOTBELIABLEFORDAMAGESRESULTINGFROMLOSSOFDATA,PROFITS,USEOFPRODUCTS,ORINCIDENTALORCONSEQUENTIALDAMAGES,EVENIFADVISEDOFTHEPOSSIBILITYTHEREOF.ThislimitationoftheliabilityofNationalInstrumentswillapplyregardlessoftheformofaction,whetherincontractortort,includingnegligence.AnyactionagainstNationalInstrumentsmustbebroughtwithinoneyearafterthecauseofaction
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accrues.NationalInstrumentsshallnotbeliableforanydelayinperformanceduetocausesbeyonditsreasonablecontrol.Thewarrantyprovidedhereindoesnotcoverdamages,defects,malfunctions,orservicefailurescausedbyowner'sfailuretofollowtheNationalInstrumentsinstallation,operation,ormaintenanceinstructions;owner'smodificationoftheproduct;owner'sabuse,misuse,ornegligentacts;andpowerfailureorsurges,fire,flood,accident,actionsofthirdparties,orothereventsoutsidereasonablecontrol.
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CopyrightUnderthecopyrightlaws,thispublicationmaynotbereproducedortransmittedinanyform,electronicormechanical,includingphotocopying,recording,storinginaninformationretrievalsystem,ortranslating,inwholeorinpart,withoutthepriorwrittenconsentofNationalInstrumentsCorporation.NationalInstrumentsrespectstheintellectualpropertyofothers,andweaskouruserstodothesame.NIsoftwareisprotectedbycopyrightandotherintellectualpropertylaws.WhereNIsoftwaremaybeusedtoreproducesoftwareorothermaterialsbelongingtoothers,youmayuseNIsoftwareonlytoreproducematerialsthatyoumayreproduceinaccordancewiththetermsofanyapplicablelicenseorotherlegalrestriction.
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PatentsForpatentscoveringNationalInstrumentsproducts,refertotheappropriatelocation:Help»Patentsinyoursoftware,thepatents.txtfileonyourCD,orni.com/patents.
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TrademarksNationalInstruments,NI,ni.com,andLabVIEWaretrademarksofNationalInstrumentsCorporation.RefertotheTermsofUsesectiononni.com/legalformoreinformationaboutNationalInstrumentstrademarks.FireWire®istheregisteredtrademarkofAppleComputer,Inc.HandleGraphics®,MATLAB®,Real-TimeWorkshop®,Simulink®,Stateflow®,andxPCTargetBox®areregisteredtrademarks,andTargetBox™andTargetLanguageCompiler™aretrademarksofTheMathWorks,Inc.Tektronix®andTekareregisteredtrademarksofTektronix,Inc.Otherproductandcompanynamesmentionedhereinaretrademarksortradenamesoftheirrespectivecompanies.MembersoftheNationalInstrumentsAlliancePartnerProgramarebusinessentitiesindependentfromNationalInstrumentsandhavenoagency,partnership,orjoint-venturerelationshipwithNationalInstruments.
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WARNINGREGARDINGUSEOFNATIONALINSTRUMENTSPRODUCTS(1)NATIONALINSTRUMENTSPRODUCTSARENOTDESIGNEDWITHCOMPONENTSANDTESTINGFORALEVELOFRELIABILITYSUITABLEFORUSEINORINCONNECTIONWITHSURGICALIMPLANTSORASCRITICALCOMPONENTSINANYLIFESUPPORTSYSTEMSWHOSEFAILURETOPERFORMCANREASONABLYBEEXPECTEDTOCAUSESIGNIFICANTINJURYTOAHUMAN.(2)INANYAPPLICATION,INCLUDINGTHEABOVE,RELIABILITYOFOPERATIONOFTHESOFTWAREPRODUCTSCANBEIMPAIREDBYADVERSEFACTORS,INCLUDINGBUTNOTLIMITEDTOFLUCTUATIONSINELECTRICALPOWERSUPPLY,COMPUTERHARDWAREMALFUNCTIONS,COMPUTEROPERATINGSYSTEMSOFTWAREFITNESS,FITNESSOFCOMPILERSANDDEVELOPMENTSOFTWAREUSEDTODEVELOPANAPPLICATION,INSTALLATIONERRORS,SOFTWAREANDHARDWARECOMPATIBILITYPROBLEMS,MALFUNCTIONSORFAILURESOFELECTRONICMONITORINGORCONTROLDEVICES,TRANSIENTFAILURESOFELECTRONICSYSTEMS(HARDWAREAND/ORSOFTWARE),UNANTICIPATEDUSESORMISUSES,ORERRORSONTHEPARTOFTHEUSERORAPPLICATIONSDESIGNER(ADVERSEFACTORSSUCHASTHESEAREHEREAFTERCOLLECTIVELYTERMED"SYSTEMFAILURES").ANYAPPLICATIONWHEREASYSTEMFAILUREWOULDCREATEARISKOFHARMTOPROPERTYORPERSONS(INCLUDINGTHERISKOFBODILYINJURYANDDEATH)SHOULDNOTBERELIANTSOLELYUPONONEFORMOFELECTRONICSYSTEMDUETOTHERISKOFSYSTEMFAILURE.TOAVOIDDAMAGE,INJURY,ORDEATH,THEUSERORAPPLICATIONDESIGNERMUSTTAKEREASONABLYPRUDENTSTEPSTOPROTECTAGAINSTSYSTEMFAILURES,INCLUDINGBUTNOTLIMITEDTOBACK-UPORSHUTDOWNMECHANISMS.BECAUSEEACHEND-USERSYSTEMISCUSTOMIZEDANDDIFFERSFROMNATIONALINSTRUMENTS'TESTINGPLATFORMSANDBECAUSEAUSERORAPPLICATIONDESIGNERMAYUSENATIONALINSTRUMENTSPRODUCTSINCOMBINATIONWITHOTHERPRODUCTSINAMANNERNOTEVALUATEDORCONTEMPLATEDBYNATIONALINSTRUMENTS,THEUSEROR
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APPLICATIONDESIGNERISULTIMATELYRESPONSIBLEFORVERIFYINGANDVALIDATINGTHESUITABILITYOFNATIONALINSTRUMENTSPRODUCTSWHENEVERNATIONALINSTRUMENTSPRODUCTSAREINCORPORATEDINASYSTEMORAPPLICATION,INCLUDING,WITHOUTLIMITATION,THEAPPROPRIATEDESIGN,PROCESSANDSAFETYLEVELOFSUCHSYSTEMORAPPLICATION.
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TechnicalSupportandProfessionalServicesVisitthefollowingsectionsoftheNationalInstrumentsWebsiteatni.comfortechnicalsupportandprofessionalservices:
Support—Onlinetechnicalsupportresourcesatni.com/supportincludethefollowing:
Self-HelpResources—Foranswersandsolutions,visittheaward-winningNationalInstrumentsWebsiteforsoftwaredriversandupdates,asearchableKnowledgeBase,productmanuals,step-by-steptroubleshootingwizards,thousandsofexampleprograms,tutorials,applicationnotes,instrumentdrivers,andsoon.FreeTechnicalSupport—AllregisteredusersreceivefreeBasicService,whichincludesaccesstohundredsofApplicationsEngineersworldwideintheNIDiscussionForumsatforums.ni.com.NationalInstrumentsApplicationsEngineersmakesureeveryquestionreceivesananswer.Forinformationaboutothertechnicalsupportoptionsinyourarea,visitni.com/servicesorcontactyourlocalofficeatni.com/contact.
TrainingandCertification—Visitni.com/trainingforself-pacedtraining,eLearningvirtualclassrooms,interactiveCDs,andCertificationprograminformation.Youalsocanregisterforinstructor-led,hands-oncoursesatlocationsaroundtheworld.SystemIntegration—Ifyouhavetimeconstraints,limitedin-housetechnicalresources,orotherprojectchallenges,NationalInstrumentsAlliancePartnermemberscanhelp.Tolearnmore,callyourlocalNIofficeorvisitni.com/alliance.
Ifyousearchedni.comandcouldnotfindtheanswersyouneed,contactyourlocalofficeorNIcorporateheadquarters.YoualsocanvisittheWorldwideOfficessectionofni.com/niglobaltoaccessthebranchofficeWebsites,whichprovideup-to-datecontactinformation,supportphonenumbers,emailaddresses,andcurrentevents.
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errorinerrorin(noerror)TheerrorinclustercanaccepterrorinformationwiredfromVIspreviouslycalled.UsethisinformationtodecideifanyfunctionalityshouldbebypassedintheeventoferrorsfromotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
statusThestatusBooleaniseitherTRUE(X)foranerror,orFALSE(checkmark)fornoerrororawarning.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
codeThecodeinputidentifiestheerrororwarning.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.sourceThesourcestringdescribestheoriginoftheerrororwarning.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.ErrorCodes
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errorouterroroutTheerroroutclusterpasseserrororwarninginformationoutofaVItobeusedbyotherVIs.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.
statusThestatusBooleaniseitherTRUE(X)foranerror,orFALSE(checkmark)fornoerrororawarning.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.codeThecodeinputidentifiestheerrororwarning.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.sourceThesourcestringdescribestheoriginoftheerrororwarning.Thepop-upoptionExplainError(orExplainWarning)givesmoreinformationabouttheerrordisplayed.ErrorCodes
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ClassPrefixChannelCountInherentPropertyDataType Access Appliesto Coercion HighLevelFunctions
RO N/A None None
DescriptionReturnsthenumberofavailablechannels.PropertyNodePathClassPrefix»InherentIVISettings»UserOptions»ChannelCount
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InteractiveSimulationInallclassdrivers,theVXIplug&play-compliantVIsandfunctionshaveoutputparametersthatreturnvaluesorstringsfromtheinstrument.
VXIplug&play-compliantVIsCLASSPREFIX_self-test
CLASSPREFIX_revision_query CLASSPREFIX_error_query
Duringsimulation,thesimulationdrivercancreatesimulateddatafortheoutputparametersofthesefunctions.Thispanelallowsyoutoconfigurethesimulationdatatoreturnfromthesefunctions.YoucanaccessthisviewintheIviDmm,theIviDCPwr,ortheIviScopeSimulatorSetupdialogboxes.Inthiscase,youseetheSimulatorSetupdialogboxforIviScope.Scrolldowntoseeadescriptionofeachcontrol.
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IviScopeSimulatorSetupDialogBoxTheSimulatorSetupdialogboxesforthedifferentclassdrivershavecommonfeatures.EachSimulatorSetupdialogboxhasaViewringcontrolintheupperleft-handcorner.UsetheViewringcontroltoselectafeatureofthesimulationdrivertoconfigure.AllthedialogboxeshaveviewstoconfigurethesimulationoftheVXIplug&playfunctionsandthesimulationoffunctionstatuscodes.Forclassesthattakemeasurements,suchasIviDmm,IviScope,andIviDCPwr,theSimulatorSetupdialogboxalsocontainsaMeasurementDataSimulationview.BecauseyoucanfullyconfigurethesimulationdriverintheSimulatorSetupdialogboxatruntime,youdonothavetouseMAXtospecifyattributevaluesintheInitialSettingstaboftheSimulationDriverSessionsdialogbox.Ifyoudospecifytheinitialsettings,however,thevaluesthatyouspecifyappearastheinitialvaluesintheSimulatorSetupdialogboxeachtimeyoucallClassPrefix_init.
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Self-TestUsetheResultCodeandMessagecontrolstospecifythevaluesyouwantthedriver'sClassPrefixSelf-TestVIorClassPrefix_self_testfunctiontoreturninitsoutputparameters.
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Error-QueryUsetheErrorCodeandMessagecontrolstospecifythevaluesyouwantthedriver'sClassPrefixError-QueryVIorClassPrefix_error_queryfunctiontoreturninitsoutputparameters.
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RevisionQueryUsetheInstrumentDriverRevisionandFirmwareRevisioncontrolstospecifythevaluesyouwantthedriver'sClassPrefixRevisionQueryVIorClassPrefix_revision_queryfunctiontoreturninitsoutputparameters.
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StatusCodeSimulationYouusethedialogboxshownbelowtoconfigurethestatuscodeforasimulation.YoucanaccessthisviewintheIviDmm,theIviDCPwr,ortheIviScopeSimulatorSetupdialogboxes.Inthiscase,youseetheSimulatorSetupdialogboxforIviScope.Toconfigurethestatuscodesimulation,selectStatusCodeSimulationfromtheViewringcontrol.
Scrolldowntoseeadescriptionofeachcontrol.
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StatusCodeSimulationViewTheStatusCodeSimulationviewisthesameforallsimulationdrivers.TheStatusCodeSimulationviewhasthefollowingcontrols:
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SimulateStatusCodesThiscontrollistsalloftheclassdriverfunctionsthattheselectedinstrumentspecificdriverdriversupports.Thelistalsoindicateseachfunction'sassociatedsimulationstatuscodeinbothmacronameformandinhexadecimalvalueform.YouusetheStatusCodeMacroandCustomStatusCodecontrolstomodifysimulationstatuscodes.SettingthiscontrolhasthesameeffectasconfiguringthePREFIX_ATTR_SIMULATE_STATUS_CODESattributeontheInitialSettingstabofIVIDrivers»Advanced»SimulationDriverSessions»nisIviClassinMAX.
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StatusCodeMacroThiscontrolallowsyoutochangethesimulationstatuscodeofthecurrentlyselectedfunction.SettingthiscontroltothecustomstatuscodeoptionsetsthevalueyouplacedintheCustomStatusCodecontrolasthefunction'ssimulatedstatuscode.
IfyouselectCustomStatusCode,youcanconfigureacustomstatuscodeintheCustomStatusCodecontrol.
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CustomStatusCodeLetsyouspecifyacustomstatuscodetosimulateforaparticularfunction.
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ResetalltoVI_SUCCESSThiscontrolresetsalloftheclassdriverfunctions'simulationstatuscodestoVI_SUCCESS(0).
ConfiguringsimulatedstatuscodeswiththisdialogboxhasthesameeffectasconfiguringthecorrespondingsimulatedstatuscodeattributesontheInitialSettingstabofIVIDrivers»Advanced»SimulationDriverSessions»nisIviClassinMAX.RelatedTopicsPropertiesforControllingIviDCPwrSimulationPropertiesforControllingIviDmmSimulationPropertiesforControllingIviFgenSimulationPropertiesforControllingIviScopeSimulationPropertiesforControllingIviSwtchSimulation
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DiagramofStandardWaveforms
DiagramofStandardWaveforms
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VI_TRUEDescriptionTrue
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DefinedValue1
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VI_FALSEDescriptionFalse
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DefinedValue0
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IVISCOPE_VAL_AC_LINE_EITHERConfigurestheoscilloscopetotriggeroneitherpositiveornegativeslopezerocrossingsofthenetworksupplyvoltage.DefinedValue:3
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IVISCOPE_VAL_AC_LINE_POSITIVEConfigurestheoscilloscopetotriggeronpositiveslopezerocrossingsofthenetworksupplyvoltage.DefinedValue:1
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IVISCOPE_VAL_AC_LINE_NEGATIVEConfigurestheoscilloscopetotriggeronnegativeslopezerocrossingsofthenetworksupplyvoltage.DefinedValue:2
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TimeDomainMeasurementsIncertainsituationsthespectrumanalyzermaybeusedtotaketimedomainratherthanfrequencydomainmeasurements.Typicaltimedomainmeasurementsareoscilloscopetraces,butwhenaspectrumanalyzeristakingatimedomainmeasurement,theamplitudeofonlyonefrequencyismeasured.Tosetthespectrumanalyzertoatimedomainmode,thestartandstopfrequencyhavetobesettothesamefrequency;thefrequencyofinterest.Sweepingwiththestartandstopsettothesamefrequencycausestheanalyzertotakemanyindependentmeasurementsofthatfrequencyovertime(inthetimedomain).Thisisveryusefulindeterminingsuchthingsasthechangeinoutputpowerofatransmitterasitwarmsup.Anotheruseistocaptureapeakofapulsedsignalataparticularfrequency.
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IviSwtchTriggerInputValuesIVISWTCH_VAL_IMMEDIATEImmediate(Default)IVISWTCH_VAL_EXTERNALExternalIVISWTCH_VAL_SOFTWARE_TRIGSoftwareTriggerFunctionIVISWTCH_VAL_TTL0PXITRIG0orVXITTL0IVISWTCH_VAL_TTL1PXITRIG1orVXITTL1IVISWTCH_VAL_TTL2PXITRIG2orVXITTL2IVISWTCH_VAL_TTL3PXITRIG3orVXITTL3IVISWTCH_VAL_TTL4PXITRIG4orVXITTL4IVISWTCH_VAL_TTL5PXITRIG5orVXITTL5IVISWTCH_VAL_TTL6PXITRIG6orVXITTL6IVISWTCH_VAL_TTL7PXITRIG7orVXITTL7IVISWTCH_VAL_ECL0VXIECL0IVISWTCH_VAL_ECL1VXIECL1IVISWTCH_VAL_PXI_STARPXIStarIVISWTCH_VAL_RTSI_0RTSIline0IVISWTCH_VAL_RTSI_1RTSIline1IVISWTCH_VAL_RTSI_2RTSIline2IVISWTCH_VAL_RTSI_3RTSIline3IVISWTCH_VAL_RTSI_4RTSIline4IVISWTCH_VAL_RTSI_5RTSIline5IVISWTCH_VAL_RTSI_6RTSIline6
NoteForallofthefollowingtriggers,theswitchmodulewaitsuntilitreceivesatriggeronthespecifiedtriggerlinebeforeprocessingthenextentryinthescanlist...(1)IVISWTCH_VAL_IMMEDIATEImmediateTrigger.(2)IVISWTCH_VAL_EXTERNALExternalTrigger.(3)IVISWTCH_VAL_SOFTWARE_TRIG.(111)IVISWTCH_VAL_TTL.
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(112)IVISWTCH_VAL_TTL.(113)IVISWTCH_VAL_TTL.(114)IVISWTCH_VAL_TTL.(115)IVISWTCH_VAL_TTL.(116)IVISWTCH_VAL_TTL.(117)IVISWTCH_VAL_TTL.(118)IVISWTCH_VAL_TTL.(119)IVISWTCH_VAL_ECL.(120)IVISWTCH_VAL_ECL.(125)IVISWTCH_VAL_PXI_STA.(140)IVISWTCH_VAL_RTSI_0.(141)IVISWTCH_VAL_RTSI_1.(142)IVISWTCH_VAL_RTSI_2.(143)IVISWTCH_VAL_RTSI_.(144)IVISWTCH_VAL_RTSI_4.(145)IVISWTCH_VAL_RTSI_.(146)IVISWTCH_VAL_RTSI_6
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IviSwtchScanAdvOutputValuesIVISWTCH_VAL_NONENTrigger(Default)IVISWTCH_VAL_EXTERNALExternalIVISWTCH_VAL_GPIB_SRQGPIBServiceRequestIVISWTCH_VAL_TTL0PXITRIG0orVXITTL0IVISWTCH_VAL_TTL1PXITRIG1orVXITTL1IVISWTCH_VAL_TTL2PXITRIG2orVXITTL2IVISWTCH_VAL_TTL3PXITRIG3orVXITTL3IVISWTCH_VAL_TTL4PXITRIG4orVXITTL4IVISWTCH_VAL_TTL5PXITRIG5orVXITTL5IVISWTCH_VAL_TTL6PXITRIG6orVXITTL6IVISWTCH_VAL_TTL7PXITRIG7orVXITTL7IVISWTCH_VAL_ECL0VXIECL0IVISWTCH_VAL_ECL1VXIECL1IVISWTCH_VAL_PXI_STARPXIStarIVISWTCH_VAL_RTSI_0RTSIline0IVISWTCH_VAL_RTSI_1RTSIline1IVISWTCH_VAL_RTSI_2RTSIline2IVISWTCH_VAL_RTSI_3RTSIline3IVISWTCH_VAL_RTSI_4RTSIline4IVISWTCH_VAL_RTSI_5RTSIline5IVISWTCH_VAL_RTSI_6RTSIline6
Note(0)IVISWTCH_VAL_NONETheswitchmoduledoesnotproduceaScanAdvancedOutputtrigger.
NoteForallofthefollowingtriggers,theswitchmodulewaitsuntilitreceivesatriggeronthespecifiedtriggerlinebeforeprocessingthenextentryinthescanlist...(1)IVISWTCH_VAL_IMMEDIATEImmediateTrigger.(2)IVISWTCH_VAL_EXTERNALExternalTrigger.
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(3)IVISWTCH_VAL_SOFTWARE_TRIG.(111)IVISWTCH_VAL_TTL.(112)IVISWTCH_VAL_TTL.(113)IVISWTCH_VAL_TTL.(114)IVISWTCH_VAL_TTL.(115)IVISWTCH_VAL_TTL.(116)IVISWTCH_VAL_TTL.(117)IVISWTCH_VAL_TTL.(118)IVISWTCH_VAL_TTL.(119)IVISWTCH_VAL_ECL.(120)IVISWTCH_VAL_ECL.(125)IVISWTCH_VAL_PXI_STA.(140)IVISWTCH_VAL_RTSI_0.(141)IVISWTCH_VAL_RTSI_1.(142)IVISWTCH_VAL_RTSI_2.(143)IVISWTCH_VAL_RTSI_3.(144)IVISWTCH_VAL_RTSI_4.(145)IVISWTCH_VAL_RTSI_.(146)IVISWTCH_VAL_RTSI_6
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