USER’S MANUAL - BlueNote

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RAIL MOUNTEDNETWORK METERTYPE N27P

USER’S MANUAL

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Contents

1. APPLICATION .................................................................................. 52. METER SET ..................................................................................... 63. BASIC REQUIREMENTS, SAFETY OF USE .................................. 74. INSTALLATION ................................................................................ 8

4.1 Mounting method...................................................................... 84.2 Connections ............................................................................ 10

5. OPERATION ...................................................................................115.1 Description of front panel .......................................................115.2 Messages after switching the power supply on ...................11

6. MENU ............................................................................................. 126.1 Display ..................................................................................... 126.2 Menu structure ........................................................................ 156.3 Programming the inputs ........................................................ 186.4 Reseting counters .................................................................. 206.5 Display settings ...................................................................... 216.6 Programming the alarms ....................................................... 226.7 Programming the outputs ...................................................... 296.8 Service settings ...................................................................... 31

7. SERIAL INTERFACES ................................................................... 337.1 RS485 – list of parameters ..................................................... 337.2 USB – list of parameters ........................................................ 347.3 Map of N27P meter registers ................................................. 34

8. ERROR CODES ............................................................................. 49

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9. FIRMWARE UPDATING ................................................................ 509.1 Software L1 level update........................................................ 509.2 Software L2 level update........................................................ 53

10. TECHICAL SPECIFICATION ....................................................... 5411. ORDERING CODE ....................................................................... 59

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1. APPLICATION

The N27P isaprogrammabledigitaldeviceused tomeasuretheparametersofsingle-phaseelectricalnetworks.

Themetermeasuresandcalculatesthefollowingvalues:phasevoltage10minutes’meanvoltagecurrentactivepowerreactivepower apparentpower activepowerfactorratioofreactive/activepowermeanactivepowerphaseshiftinputofactiveenergyoutputofactiveenergyinputofreactiveenergyoutputofreactiveenergyapparentenergyfrequency 10seconds’meanfrequencytimemaximumandminimumvaluesof:-phase-to-neutralvoltage;-current;-activepower;-reactivepower;-apparentpower;-activepowerfactor;- tangent φ;-frequency;-averageactivepower;

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2. METER SET

Themetersetcomprises:N27Pmeter............................. 1pcUserManual............................ 1pcWarrantyCard......................... 1pcCD........................................... 1pc

Accessories:ThefollowingaccessoriescanbeorderedfortheN27Pmeter:-USBA/miniUSBcable–1m,black;ordercode:1126-271-028

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Itispossibletoentertransformerratioofusedexternalcurrentorvoltagetransformerswhichwillbeaccountedforinthemea-surementandcalculationofallvalues.Allvaluesandconfigu-rationparametersareaccessiblethroughtheRS485andUSBinterfaces.The meter output signals are galvanically isolatedfromtheinputandpowersupplysignals.

Figure 1. Meter for direct measurements (left)Meter for indirect measurements (right)

Figure 1. Meter for direct measurements (left)

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3. BASIC REQUIREMENTS, SAFETY OF USE

Thesymbolsusedinthemanualhavethefollowingmeaning:

Warning! Potentially hazardous situations. Read before connecting the device! Failure to observe recommendations marked with this symbol can result in heavy personal injuriesanddevicedamage

Caution! Generally useful notes.Read them tomake thedeviceuseeasier.Payattentiontothese noteswhenthedeviceisnotworkingcorrectly. Possible consequences if the information is disregarded!

In terms of safety of use the meter conformstoEN61010-1.

Safety notes:Electrical connections should be made by a person withrequiredlicencestoinstallelectricaldevices.Check the correctness of connections before turningthemeteron.Removalofthemetercoverduringthewarrantyperiodmakesthewarrantynullandvoid.

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4. INSTALLATION

4.1. Mounting method

TheN27Pmetercanbeinstalledinmodulardistribu-tionboardsonthe35mmrailbracket.Themeterenclosureismade of plastic and its dimensions are 53 x 110 x 60.5 mm.On the outside of the meter there are screw terminal blo-cks to connect the measurement signals using the leadsupto5.3mm2incrosssection(1A/5A),andupto16mm2

(32 A / 63 A) and the remaining signals using the leadsupto2.5mm2.ThemeterdimensionsareshowninFigure2.

Themeterisintendedforinstallationanduseinindustrialelectromagneticenvironments.The building electrical installation should have a switchor a circuit breaker located near the device, easilyaccessibleandproperlymarked.

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Figure 2. Meter dimensions

The meters shall not be installed on the rail in direct contact with other heat emitting devices (e.g. successive N27P meters). Leave the minimum 5-mm space between devices to enable radiation of heat from the enclosure to the ambient air. Otherwise, the temperature in direct vicinity of the meter may exceed the rated operating temperature.

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4.2 ConnectionsThemeterconnectionsareshowninFigure3.

Figure 3. N27P wiring diagrams

63 A

1 2 3 4 5 6

a b

A B

Range 1 A / 5 A

Range 32 A / 63 A

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5. OPERATION

Figure 4. Front panel

5.1 Description of front panel

Display

USBinterface

Controlbuttons

5.2 Messages after switching the power supply on

After switching thepoweron, themeter shows infor-mationaboutmanufacturer,softwareversionanddeviceserialnumber.Thenthemetergoestodisplaythemeasuredvalues.

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6. MENU6.1 Display

Figure 5. N27P meter display

DatatransmissionindicatorsR-receivingT-transmitting

Main displayedvalue. Selectionwith use of button„▲”.

USBconnectionindicatorAlarmindicators

Upperdisplayed

value

Energycharacter:

capacitive

inductive

consumed

produced Additionaldisplayedvalue.Selec-tion with use of button „▼”.

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ThemaindisplayedvalueisselectedusingtheUPbutton inthefollowingsequence:

Current Activepower

Reactivepower

Apparentpower

PowerFactorTangentj

Frequency

Voltage

Figure 6. Selecting main displayed value

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The additional displayed value is selected using the DOWNbutton inthefollowingsequence:

Figure 7. Selecting additional displayed value

The upper displayed value is selected from the meter menu(DISPLAY→UP DISPLAY).

Producedactiveenergy

Inductivereactiveenergy

Apparentenergy

Bargraph

Consumedactiveenergy

Capacitivereactiveenergy

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Note: Youcanprotecttheeditingofparametersfromthedisplaymenuwithapassword.Insuchcase,itispossibleonlytoviewthe meter settings and not to modify them.To set or changethe password use the SERVICE→PASSWORD menu option.Ifyouforgotthepasswordcarryoutthefollowingproceduretoremoveit:

1.Turnthemeterpoweroff2.PresssimultaneouslyandholdtheUPandDOWNbuttons( , ),3.Turnthemeterpoweron4.Waitforabout5secondsandreleasethebuttons

6.2 Menu structure TheN27Pparametersmaybemodifiedfromthedis-playmenu level.andhold it forabout3seconds.UsetheUPandDOWNbuttons( )andholditforabout3seconds.UsetheUPandDOWNbuttons( , ),tonavigatethemenu.ToacceptchoicepressENTER,tocancelorexitpresstheUPandDOWNbuttonssimultaneouslyorwait15seconds.Anotherwaytogolevelupistoselectthelastpositiononeverysubmenu(-----).Themenustructureisshownintable1.

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Table1

INPUT

Parametersofinput

VOLTAGERANGE

Voltagerangeofvotalgeinput

CURRENTRANGE

Currentrangeofcurrentinput

VOLTAGERATIO

Voltagetransfor-merratio

CURRENTRATIO

Currenttransfor-merratio

INPUTSYNCH

Inputsynchroni-zingmethod

CLEAR

Countersreseting

CLRENCOUNT

Resetingenergycounters

CLRAVGPOWER

Resetingaveragepower

counter

CLR10MINV

Reseting10-minu-tesandmaximalvaluescounters

CRLMIN-MAx

Resetingminimalandmaximal

valuescounters

CRLTIMECNT

Resetingturning-oncounter

DISPLAY

Displaysettings

UPPERDISPLAY

Selectionofvaluedisplayedonupperlineof

display

BARGRAPHPAR.

Selectionofinputparameter

forbargraph

BARGRAPHSYM.

Selectionofbargraphstyle

BARGRAPH%

Percentofinputparametersas

100%ofbargraph

ALARM1

Alarm1setting

INPUTVALUE

Selectionofinputsignal

OUTPUTTYPE

Selectionofoutputtype

LOWLEVELIN

Lowlevelofinputsignal

HIGHLEVELIN

Highlevelofinputsignal

DELAYON

Delayforalarm1turningon

ALARM2

Alarm2setting

INPUTVALUE


OUTPUTTYPE


LOWLEVELIN


HIGHLEVELIN


DELAYON

Delayforalarm2turningon

OUTPUT

Outputsettings

INPUTVALUE


OUTPUTTYPE


LOWLEVELIN


HIGHLEVELIN


LOWLEVOUT

Lowlevelofoutputsignal

SERVICE

Servicesettings

DEFAULTPARAM

Restorefactorysettings

PASSWORD

Menulockpassword

TIME

Timesettins

DATE

Datesettings

LANGUAGE

Selectionofmenulanguage

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REACTPWMODE

Reactivepowercalculation

method

REACTENMODE

Reactiveenergycalculation

method

PWAVGSYNCH

Avaragepowersynchronization

method

DEMANDPOWER

Orderedpower

DELAYOFF

Delayforalarm1turningoff

LOCkTURNON

Restartinterlock

SIGNALMAINT

Maintenanceofalarmindication

DELAYOFF

Delayforalarm2turningoff

LOCkTURNON

Restartinterlock

SIGNALMAINT

Maintenanceofalarmindication

HIGHLEVOUT

Highlevelofoutputsignal

OUTPUTMODE

Outputmode

ERRORVALUE

Outputsignallevelonerror

ADDRESS

Deviceaddress

MODE

Transmissionmode

BAUDRATE

Transmis-sionspeed

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6.3 Programming the inputsThe inputs can be programmed from the INPUTS menu according to table 2.

INPUTS

Lp.Parameter Parameter

symbolRange Remarks/Descrip-

tionFactory value

1 Voltagerange

VOLTAGERANGE

100V,400V Selectionofinputvoltagerange

400V

2 Currentrange

CURRENTRANGE

1A,5A(32A,63A)*

Selectionofinputcurrentrange

5A(63A)*

3Voltage

transformerratio

VOLTAGERATIO

0,1...4000,0 1,0

4Current

transformerratio

CURRENTRATIO

1...10000 1

5

Inputsynchroni-

zation

INPUTSYNCH

WITHVOL-TAGE

WITHCUR-RENT

WITH VOLTAGE (all pa-rametrsaremeasured)WITH CURRENT (cur-rentandfrequencyonly)

WITHVOLTAGE

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Reactivepower

calculationmethod

REACTPWMODE

TRIANGLESINUS-HAR-

MON.

TRIANGLE

Q=√S 2−P2

SINUS-HARMON.

Q=∑i=1

k

U i⋅I i⋅sin (∢U i , I i)

k–HARMONICNUM-BER(21FOR50Hz,

18FOR60Hz)

TRIAN-GLE

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Reactiveenergy

calculationmethod

REACTENMODE

CAPAC-INDUCPOSIT-NEGA-

TIVE

CAPAC-IINDUC – capa-citivorinductiveenergyPOSIT-NEGATIVE – po-sitiveornegativeenergy

CAPAC-IINDUC

Table2

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INPUTS



tionFactory value

1 Voltagerange

VOLTAGERANGE

100V,400V Selectionofinputvoltagerange

400V

2 Currentrange

CURRENTRANGE

1A,5A(32A,63A)*

Selectionofinputcurrentrange

5A(63A)*

3Voltage

transformerratio

VOLTAGERATIO

0,1...4000,0 1,0

4Current

transformerratio

CURRENTRATIO

1...10000 1

5

Inputsynchroni-

zation

INPUTSYNCH

WITHVOL-TAGE

WITHCUR-RENT

WITH VOLTAGE (all pa-rametrsaremeasured)WITH CURRENT (cur-rentandfrequencyonly)

WITHVOLTAGE

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Reactivepower

calculationmethod

REACTPWMODE

TRIANGLESINUS-HAR-

MON.

TRIANGLE

Q=√S 2−P2

SINUS-HARMON.

Q=∑i=1

k


k–HARMONICNUM-BER(21FOR50Hz,

18FOR60Hz)

TRIAN-GLE

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Reactiveenergy

calculationmethod

REACTENMODE

CAPAC-INDUCPOSIT-NEGA-

TIVE

CAPAC-IINDUC – capa-citivorinductiveenergyPOSIT-NEGATIVE – po-sitiveornegativeenergy

CAPAC-IINDUC

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Synchro-nizationofaverageactivepower

PWAVGSYNCH

MOVINGWINDOW

CLk15MINCLk30MINCLk60MIN

Average active powersynchronization:MOVING WINDOW– 15-minutes movingwindowCLk15MIN–measuringsynchronized with clockevery15-minutesCLk30MIN-measuringsynchronized with clockevery30-minutesCLk60MIN-measuringsynchronized with clockevery60-minutes,

MOVINGWINDOW

9Demandpower

DEMANDPOWER

-144.0%...144.0[%]

Demand power to predi-ctpowerconsumption inpercentofnominalvalue

100,0[%]

*)-meterfordirectmeasurements

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6.4 Reseting countersReseting counters can be done from the CLEAR menuaccordingtotable3.

CLEAR



tionFactory value

1Resetingenergy

counters

CLRENCOUNT

NOACTIVE

REACTIVEAPPARENT

ALL

Resetingactiveener-gy, reactive energy,apparent energycounters, or all ofthem.

NO

2

Resetingaveragepower

counters

CLR10MINV

NOYES NO

3

Reseting10-minu-tesavera-gevoltage

counter

CLRMINMAx

NOYES NO

4

Resetingminimal

andmaxi-malvaluecounters

kASUJMIN-MAx

NOYES NO

5Resetingpowering

oncounter

CLRTIMECNT

NOYES NO

Table3

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6.5 Display settingsAdditionaldisplaysettingsareavailableonDISPLAYpositionofmenu,accordingtotable4.

Table4

DISPLAY



tionFactory value

1Upperdisplayvalue

UPPERDISPLAY

VOLTAGECURRENT

ACTIVEPOWERPOWERFACTOR

TANGENTFREQUENCYCURRENT/3

Selection of para-meter to display onupperlineofdisplay,seeFigure5.

FREQUE-NCY

2Input

signalforbargraph

BAR-GRAPH

PAR.table6 (seetable6) VOLTAGE

3 Bargraphstyle

BAR-GRAPH

SYM.

NOYES

Selection of bar-graph style.NO – displayingvalues changingin range from 0 to120%of inputsignalYES – displayingvalues changing inrange from -120%to +120% of inputsignal. If measu-red value is equalor greater than 120% of nominal valuethen bargraph willdisplay with pul-sing value 120 %.

NO

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4 Bargraphrange

BAR-GRAPH% 0...120[%]

Settings a percen-tage value of in-put parameter asa nominal value ofbargraph.Forexam-ple, after selectingBARGRAPH PAR.as VOLTAGE andsetting BARGRAPH% to 50.0 % at no-minal voltage rangeas400V,youwillgetthe 100 % bargraphreadingatmeasuredvoltageequal200V.

100[%]

6.6 Programming the alarmsThealarmscanbeprogrammedfromtheALARM1/ALARM2menusaccordingtotable5.

Table5

ALARM 1 / ALARM 2


symbolRange Remarks/Description Factory

value

1 Inputsignal

INPUTVALUE

table6 (seetable6) ACTIVEPOWER

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2

Typeofalarmoutput

OUTPUTTYPE

n-onn-offonoff

h-onh-off

Setting the alarm type.The alarm types n-on,n-off,onandoffarepre-sented graphically inFigure 8. The h-on typeturns the alarm on per-manently, the h-off turnsthe alarm off permanen-tly. Alarm 1 controls thefirst meter relay output.Alarm 2 controls the se-cond meter relay output(in case of meter withtworelayoutputs)oronlyindicates the alarm oc-currence on the display.

n-on

3

Lowvalueofinputsignal

LOWLEVELIN

-144,0...144,0[%]

Low value of the me-ter-controlled parame-ter. In Figure 8 this va-lue is marked as AL_L

99.0[%]

4

Highvalueofinputsignal

HIGHLEVELIN

-144,0...144,0[%]

High value of the me-ter-controlled parame-ter. In Fgure 8 this va-lue is marked as AL_H

101.0[%]

5Alarmturn-ondelay

DELAYON 0...3600[s]

Alarm turn-on de-lay in seconds.

0[s]

6Alarmturn-offdelay

DELAYOFF

0...3600[s]

Alarm turn-off de-lay in seconds.

0[s]

7

Blockingnextalarmactivation

LOCkTURNON

0...3600[s]

The next activation ofthe alarm is blockedfor the specified timein seconds. Before thistime expires, the nextalarm will be ignored.

0[s]

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keepingthealarmsignalindication

SIGNALMAINT

NOYES

keepingthealarmsignal.Ifthisoptionisactivated,whenthealarmconditiondisappears, the displayshows flashing alarmnumber. This option isparticularly useful as amemory of short alarms.Tocancel thealarm indi-cation,pressandholdsi-multaneouslyDOWNandUP buttons ( , )forabout2s.

NO

a)n-on

Measured value

Measured value

Measured value

Measured value

Alarm state Alarm state


off off

off offoff

on

onon

on on

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b)n-off

c)on

d)off

Figure 8. Alarm types

Measured value

Measured value

Measured value

Measured value



off off

off offoff

on

onon

on on

Measured value

Measured value

Measured value

Measured value



off off

off offoff

on

onon

on on

Measured value

Measured value

Measured value

Measured value



off off

off offoff

on

onon

on on

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Selectingtheoutputvalues: Table6

Item/ value in the 4024,4032, 4040 regi-ster

Displayedparameter Value type Value for per cent

calculations (100 %)

00 OFF Novalue/outputoff/

disabled

01 VOLTAGE Voltage Un[V]*

02 CURRENT Current In[A]*

03 ACTIVEPWR. Activepower UnxInxcos(0°)[W]*

04 APPARENTPWR. Reactivepower UnxInxsin(90°)[Var]*

05 MOCPOZORNA Apparentpower UnxIn[VA]*

06 POWERFACTOR PowerfactorPF 1

07 TANGENT tangent 1

08 FREQUENCY frequency 100[Hz]

09 AVGACTIVEPW Averagedactivepower

3xUnxInxcos(0°)[W]*

10 10MINVOLTAGE Averaged10-minu-tevoltage

Un[V]*

11 10SECFREQ. Averaged10-se-condfrequency

100[Hz]

12 CURRENT/3 Onethirdofthecurrent

In[A]*

13 DEMANDPOWER Demandpower 3xUnxInxcos(0°)[W]*

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Alarmsettings,example1:

Setalarmofn-on type foractivepower,nominal ranges:5A,400V.Alarmturning-onat2100W,turning-offbelow1900W.

Calculating:nominalactivepower:P=400Vx5A=2000W2000W–100%2000W–100%2100W–AL_H%1900W–AL_L%So:AL_H=105.0%AL_L=95%

Set: INPUT VALUE: ACTIVE POWER, OUTPUT TYPE:n-on, LOW LEVEL IN: 95.5 %, HIGH LEVEL IN: 105 %

Alarmsettings,example2:

Set early warning of the possibility of exceedingordered power equal 1MW on the level 90 % settledwith 15 minutes. Current transformer 2500: 5 A,nominal voltage 400 V. Maximal momentary power 1.5 MW.

Calculating: nominalactivepowerofN27Pmeter:P=400Vx2500A(500x5A)=1MW(500x2000W)–100%;90.0%ofdemandpower/nominalpower=90.0%x1MW/1MW=90.0%ofnominalrange;Orderedpower(powertouse):1Mwh/4quartersofthehour=900Mws,90%-810Mws,theremaining10%atmaximalpowerconsumptionwouldbeusedintime:900MWs/1.5MW=10%x900MWs/1.5MW=60s.Figure9showsexampleofusingdemandpowerparametertoturnonthealarm.Delayissetto0seconds.Intheexampleaboveforremaining10%ofdemandpoweratmaximalpowerconsumption,adevicecouldoperate60switho-utexposingtherecipienttopenalties.Withalarmturnondelaysetto60seconds,alarmwouldnotbeturnedon.

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AL_H = 90.0 % AL_L = 89.9 %CTime of delay AL_dt_on = 0 sec

Imported power

Relay enabled

Relay disabled

State ofcontacts

Time

Ordered power

Ordered power

(energy)

Figure 9. Measurement of demand active power, synchronized with the clock for 15 minutes,

with alarm set at 90 % of utilization

Set: U INPUT VALUE: DEMAND POWER,OUTPUT TYPE: n-on, LOW LEVEL IN: 90.0 %,HIGH LEVEL IN: 89.9 %, CURRENT RATIO: 500,PWAVGSYNCH:MOVINGWINDOWorCLk15MIN,DELAYON:0sor60s.

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6.7 Programming the outputsTheoutputscanbeprogrammedintheOUTPUTmenuaccor-dingtotable7.

Table7OUTPUT

Item Parameter Parameter

symbol Range Remarks/Description Factory value

1 Inputparame-terofanalogueoutput

INPUTVALUE

table6 (codeacc.totable6) ACTIVEPOWER

2 Typeofanalo-gueoutput

OUTPUTTYPE

0..20mA4...20mA

The output ran-ge can be selected

0...20mA

3 Lowvalueofinputpara-meter

LOWLEVELIN

-144.0...144.0[%]

Lowvalueofinputpara-meter(LVinfig.9).Cor-respondstoLOWLEVELin the analogue output.

0.0[%]

4 Highvalueofinputpara-meter

HIGHLEVELIN

-144.0...144.0[%]

Highvalueofinputpara-meter(HVinfig.9).Cor-respondstoHIGHLEVELin the analogue output.

100.0[%]

5 Lowlevelofanalogueoutput

LOWLEVOUT

0,00...22,00[mA]

Low signal on analo-gueoutput(LLinfig.9).

0.00[mA]

6 Highlevelofanalogueoutput

HIGHLEVOUT

0,00...22,00[mA]

High signal on analo-gueoutput(HLinfig.9).

20.00[mA]

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7 Manualset-tings

MANSET-TING

NOR-MALREG.4044REG.4045

Manual control of ana-logueoutput.TheNOR-MAL option controlsthe output on the basisof the perfformacnespecified by the valu-es set in LOW VALUE,HIGH VALUE, LOWELEVEL, HIGH LEVEL(fig. 9). In REG. 4044or REG. 4045 optionsthe analogue output ispermanently control-led by the value set inLOW LEVEL or HIGHLEVEL respectively.

NORMAL

8 Valueaterror ERRORVALUE

0,00...22,00[mA]

Value set at the ana-logue output in caseof error occurrence.

22.00[mA]

9 Deviceaddress

ADDRESS 1...247 Device address in theMODBUS protocol

1

10 Transmissionmode

MODE RTU8n2RTU8e1RTU8o1RTU8n1

Selection of trans-mission mode forthe RS485 interface

RTU8n2

11 Baudrate BAUDRATE 4800[bit/s]9600[bit/s]19200[bit/s]38400[bit/s]57600[bit/s]115200[bit/s]

SpeedoftheRS485interface

9600[bit/s]

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Figure 10. Control of the analogue output

Iout

WP

NP

DW GW Controlled value

6.8 Service settingsTheservicesettingscanbeprogrammedintheSERVICEmenuaccordingtotable8.

Table8SERVICE

Item Parameter Parameter

symbolModifica-tion range Remarks/Description

Facto-ry set-tings

1 Restoredefaultsettings

DEFAULTPARAM

NOYES

Option to restore thedefault factory set-tings for the meterconfiguration parame-ters acc. to table 1.

NO

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2 Accesspassword

PAS-SWORD

0...30000

Password preventingaccess to modify themeter settings. Whenthis option is activated,any attempt to accessthe meter menu resultsin the password requ-est. When an incorrectpasswordisenteredtheusermayusethemenuin the read-only mode.Clearing the passwordis described in section6.2. The 0 setting me-ans that the passwordprotection is disabled.

0

3 Time TIME GG–00...23MM–00...59

Set the time in the HH:MM format. Whenyou confirm the time,the seconds will zero.

4 Date DATE DD–01..31MM–01...12

RRRR–2000...2099

Set the date in theDD:MM:YYYY format.

5 Language LANGUAGE ENGLISHPOLSkI

Set menu language EN-GLISH

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7.SERIALINTERFACES

7.1 RS485 – list of parametersIdentifier: 209(0xD1)deviceaddress: 1..247baudrate: 4.8,9.6,19.2,38.4,57.6, 115.2kbit/stransmissionmode: ModbusRTUunitofinformation: 8N2,8E1,8O1,8N1maximaltimetostart response: 100mswhenreading

1000mswhenwritingmaximalregistersamount toreadinonequery: 56x4-bytesregisters 105x2-bytesregistersimplementedfunctions

03–readregisters 04–readinputregisters 06–write1register 16–writenregisters 17–deviceidentification

Factorysettings:address1,baudrate9600,modeRTU8N2.Broadcastingaddress:253

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7.2 USB – list of parameters

InterfaceUSBisdedicatedonlyformeterconfiguration.

Identifier: 209(0xD1)deviceaddress: 1baudrate: 9.6kbit/s,transmissionmode: ModbusRTU,unitofinformation: 8N2maximaltimetostart response: 100mswhenreading

1000mswhenwritingmaximalregistersamount toreadinonequery: 56x4-bytesregisters 105x2-bytesregistersimplementedfunctions

03–readregisters 04–readinputregisters 06–write1register 16–writenregisters 17–deviceidentificationBroadcastingaddress:253

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7.3 Map of N27P meter registers In theN27Pmeter, thedataareplaced in16-bitand32-bit registers.The process variables and meter parametersareplacedintheaddressspaceofregistersinthemethodwhichdepends on the variable type. Bits in the 16-bit registers arenumberedfromtheleastsignificanttothemostsignificantbits(b0-b15).The32-bitregistersincludethefloat-typenumbersintheIEEE-754standard.Theregistersrangesarepresentedintable9.The16-bitregistersareshownintable10.

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Table9Address

range Value type Description

4000-4083 Integer(16bits)

Meter configuration. The va-lue is placed in one 16-bit register.

6000-6143 Float(2x16bits,byteorder

3210)

The value placed in two successive16-bit registers. The registers containthe same data as the 32-bit registersfrom the 7500 area. Read-only registers.

7000–7143 Float(2x16bits,byteorder

1032)

The value placed in two successive16-bit registers. The registers containthe same data as the 32-bit registersfrom the 7500 area. Read-only registers.

7500–7571 Float(32bits)

The value placed in one32-bit register. Read-only registers.

Regi-ster

address

Rea

d/W

rite

Range DescriptionD

efau

lt

4000 RW 0..30000 Password 0

4001 RW 0,1 Inputvoltagerange:0–range100V1-range400V

1

4002 RW 0,1 Inputcurrentrange0-range1A/32A*1-range5A/63A*

1

4003 RW 1..40000 Voltagetransformerratiox10 10

Table10

The32-bitregisterswiththeirequivalent2x16-bitregistersarepresentedintable11.Theregistersaddressesintables10and11arephysicaladdresses.

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4004 RW 1..10000 Currenttransformerratio 1

4005 RW 0,1 Inputsynchronization:0–measurementofallvalues

1–measurementofcurrentonly

0

4006 RW 0,1 0–triangle

Q=√S 2−P2

1–sine

Q=∑i=1

k


k–harmonicnumber(21for50Hz,18for60Hz)

0

4007 RW 0,1 Reactiveenergycalculationmethod:

0–inductiveandcapacitive1–positiveandnegative

0

4008 RW 0..3 Synchronizationofaveragedpower0–15minuteswalkingwindow1–15minutes2–30minutes3–60minutes

0

4009 RW -1440...1440 Demandpowerx10 1000

4010 RW Reserved

4011 RW 0..4 Resetingenergycounters:0–nochange1–activeenergy2–reactiveenergy3–apparentenergy4–allenergycounters

0

4012 RW Reserved

4013 RW 0,1 Resetingaveragepowercounter0–nochange1–reset

0

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4014 RW 0,1 Reseting10-minutesaveragevoltage0–nochange1–reset

0

4015 RW 0,1 Reseting minimal and maximalvalues0–nochange1–reset

0

4016 RW 0,1 Resetingturning-oncounter0–nochange1–reset

0

4017 RW 0,1 Resetingalarmindications 0

4018 RW 0...5 Upperdisplayedvalue0–voltage1–current2–activepower3–PowerFactor4 – tangent φ5-frequency

0

4019 R Reserved

4020 R Reserved

4021 RW 0...13 Bargraph–inputsignal0–off1–voltage2–current3–activepower4–reactivepower5–apparentpower6–PowerFactor7 – tangent φ 8–frequency9–averageactivepower10–10-minutesaveragevoltage11–10-secondsaveragefrequency12–current/313–demandpower

1

4022 RW 0,1 Bargraph–bargraphstyle0–normal(0...120%)1–symmetrical(-120%...120%)

0

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4023 RW 0...1200 Bargraf – procent wejścia bargrafu (1000–100%)

1000

4024 RW 0...13 Alarm1output–inputsignal0–off1–voltage2–current3–activepower4–reactivepower5–apparentpower6–PowerFactor7 – tangent φ 8–frequency9–averageactivepower10–10-minutesaveragevoltage11–10-secondsaveragefrequency12–current/313–orderedpower

3

4025 RW 0...5 Alarm1output–outputtype0–n-on1–n-off2–on3–off4–h-on5-h-off

0

4026 RW -1440...1440 Alarm1output-lowinputvaluex10 990

4027 RW -1440...1440 Alarm1output-highinputvaluex10 1010

4028 RW 0...3600 Alarm1output-turning-ondelay[s]

0

4029 RW 0...3600 Alarm1output–turning-offdelay[s] 0

4030 RW 0...3600 Alarm1output-nextturning-onblockingtime[s]

0

4031 RW 0,1 Alarm 1 output - indicationkeeping0–no1–yes

0

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4032 RW 0...13 Alarm2output–inputsignal0–off1–voltage2–current3–activepower4–reactivepower5–apparentpower6–PowerFactor7 – tangent φ 8–frequency9–averageactivepower10–10-minutesaveragevoltage11–10-secondsaveragefrequency12–current/313–orderedpower

3

4033 RW 0...5 Alarm2output–outputtype0–n-on1–n-off2–on3–off4–h-on5-h-off

0

4034 RW -1440...1440 Alarm2output–lowinputvaluex10 990

4035 RW -1440...1440 Alarm2output-highinputvaluex10 1010

4036 RW 0...3600 Alarm2output–turning-ondelay[s] 0

4037 RW 0...3600 Alarm2output–turning-offdelay[s] 0

4038 RW 0...3600 Alarm2output–nextturning-onblockingtime[s]

0

4039 RW 0,1 Alarm 2 output – indicationkeeping0–no1–yes

0

�0

4040 RW 0...13 Analogueoutput1–inputsignal**0–off1–voltage2–current3–activepower4–reactivepower5–apparentpower6–PowerFactor7 – tangent φ8–frequency9–averageactivepower10–10-minutesaveragevoltage11–10-secondsaveragefrequency12–current/313–demandpower

3

4041 RW 0,1 Analogueoutput1–outputtype**0–0...20mA1–4...20mA

1

4042 RW -1440...1440 Analogueoutput1–lowinputvaluex10

0

4043 RW -1440...1440 Analogueoutput1–highinputvaluex10

1000

4044 RW 0...2200 Analogueoutput1–lowoutputvaluex100

0

4045 RW 0...2200 Analogueoutput1–highoutputvaluex100

2000

4046 RW 0...2 Analogueoutput1–outputmode0–normal1–register40442–register4045

0

4047 RW 0...2200 Analogueoutput1–valueaterror

2200

4048 RW 1...247 Deviceaddress 1

�1

4049 RW 0...3 Transmissionmode0–8N21–8E12–8O13-8N1

0

4050 RW 0...5 Baudrate0–4800bit/s1–9600bit/s2–19200bit/s3–38400bit/s4–57600bit/s5–115200bit/s

1

4051 Reserved

4052 RW 0,1 Updatetransmissionparameters0–nochanges1–update

0

4053 RW 0,1 Language0–english1-polish

0

4054 RW 0,1 Setdefaultvalues0–nochanges1–setdefaultvalues

0

4055 RW 0...59 Time-seconds -

4056 RW 0...2359 Time(hh*100+mm) -

4057 RW 101...1231 Date(mm*100+dd) -

4058 RW 2000...2099 Dateyyyy -

4059 Reserved

4060 R 0..65535 Activeenergyconsumed2mostsignificantbytes

4061 R 0..65535 Activeenergyconsumed2leastsignificantbytes

4062 R 0..65535 Activeenergysupplied2mostsignificantbytes

��

4063 R 0..65535 Activeenergysupplied2leastsignificantbytes

4064 R 0..65535 Reactiveenergyinductive2mostsignificantbytes

4065 R 0..65535 Reactiveenergyinductive2leastsignificantbytes

4066 R 0..65535 Reactiveenergycapacitive2mostsignificantbytes

4067 R 0..65535 Reactiveenergycapacitive2leastsignificantbytes

4068 R 0..65535 Apparentenergy2mostsignificantbytes

4069 R 0..65535 Apparentenergy2leastsignificantbytes

4070 R Reserved

4071 R Reserved

4072 R Reserved

4073 R Reserved

4074 R Reserved

4075 R Reserved

4076 R 0..65535 Status1register

4077 R 0..65535 Status2register

4078 R 0..65535 Serialnumber2mostsignificantbytes

4079 R 0..65535 Serialnumber2leastsignificantbytes

4080 R 0..65535 Softwareversion(x100)

4081 R 0..65535 Reserved

4082 R 0..65535 Reserved

4083 R 0..65535 Reserved

*)versionfordirectmeasurement**)versionwithanalogueoutput

��

Energyvaluesareinkilowatt-hours(kiloVAR-hours)indouble16-bitregisters,sothevaluesfromrelevantregistersneedtobedividedby10,asfollows: Activeenergyconsumed=(valueofregister4060 x65536+valueofregister4061)/10[kWh] Activeenergysupplied=(valueofregister4062x 65536+valueofregister4063)/10[kWh] Inductivereactiveenergy=(valueofregister4064x 65536+valueofregister4065)/10[kVarh] Capacitivereactiveenergy=(valueofregister4066x 65536+valueofregister4067)/10[kVarh] Apparentenergy=(valueofregister4068x65536+valueofregister4069)/10[kVA]

Status1register(address4076,R):Bit 15 - „1” - non-volatile memory failureBit 14 - „1” - inputs calibration errorBit 13 - „1” - analogue output calibration errorBit 12 - „1” - parameters errorBit 11 - „1” - energy value errorBit 10 - „1” - reservedBit 9 - „0” - version with 2 relays „1” - version with 1 relay and 1 analogue outputBit 8 - „0” - 1 A/5 A~ current range „1” - 32 A/63 A~current rangeBit 7 - „1” - reservedBit 6 - „1” - reservedBit 5 - „1” - reservedBit 4 - „1” - USB connectedBit 3 - „1” - measured voltage value is out of range for frequency measurement

��

Bit 2 - „1” - frequency averaging time in progressBit 1 - „1” - voltage averaging time in progressBit 0 - „1” - active power averaging time in progress

Status2register(address4077,R)Bits15..7–reservedBit 8 - „1” - result of active power substraction is positiveBit 7 - „1” - result of reactive power substraction is positiveBit 6 - „1” - capacitive reactive power maxBit 5 - „1” - capacitive reactive power minBit 4 - „1” - capacitive reactive powerBit 3 - „1” - alarm 2 indicationBit 2 - „1” - alarm 1 indicationBit 1 - „1” - alarm 2 activeBit 0 - „1” - alarm 1 active

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Address of

16-bit registers

Ad-dress

of32-bit regi-sters

Rea

d/W

rite

Description Uni

t

6000/7000 7500 R VoltageU V

6002/7002 7501 R CurrentI A

6004/7004 7502 R ActivepowerP W

6006/7006 7503 R ReactivepowerQ var

6008/7008 7504 R ApparentpowerS VA

6010/7010 7505 R Activepowerfactor -

6012/7012 7506 R Active/reactivepowerratio -

6014/7014 7507 R Frequency Hz

6016/7016 7508 R AverageactivepowerPAV15,30,60-minute

W

6018/7018 7509 R Reserved

6020/7020 7510 R Reserved

6022/7022 7511 R CosineofanglebetweenUandI -

6024/7024 7512 R AnglebetweenUandI o

6026/7026 7513 R Consumed active energy (numberof register overflows 7514, zero-ed after 99999999,9 kWh is ex-ceeded)

100MWh

6028/7028 7514 R Consumed active energy (metermeasuringupto99999,9kWh)

kWh

6030/7030 7515 R Suppliedactiveenergy (numberofregisteroverflows7516,zeroedaf-ter99999999,9kWhisexceeded)

100MWh

Table11

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6032/7032 7516 R Suppliedactiveenergy(metermea-suringupto99999,9kWh)

kWh

6034/7034 7517 R Inductivereactivepower(numberofregisteroverflows7517,zeroedaf-ter99999999,9kvarhisexceeded)

100Mvarh

6036/7036 7518 R Inductive reactive power (metermeasuringupto99999,9kvarh)

kvarh

6038/7038 7519 R Capacitivereactivepower(numberof register overflows 7520, zero-ed after 99999999,9 kvarh is ex-ceeded)

100Mvarh

6040/7040 7520 R Capacitive reactive power (metermeasuringupto99999,9kvarh)

kvarh

6042/7042 7521 R Apparent energy (number of regi-ster overflows 7522, zeroed after99999999,9kVAhisexceeded)

100MVAh

6044/7044 7522 R Apparentenergy(metermeasuringupto99999,9kVAh)

kVAh

6046/7046 7523 R Reserved

6048/7048 7524 R Reserved

6050/7050 7525 R Reserved

6052/7052 7526 R Reserved

6054/7054 7527 R Reserved

6056/7056 7528 R Reserved

6058/7058 7529 R Controlcurrentforcontinuousoutput1 mA

6060/7060 7530 R Bargraphreading -

6062/7062 7531 R Energy consumption in % in the“Power Guardian” mode

%

6064/7064 7532 R 1/3ofthecurrent A

6066/7066 7533 R Time–seconds -

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6068/7068 7534 R Time–hours,minutes -

6070/7070 7535 R Date–month,day -

6072/7072 7536 R Date–year -

6074/7074 7537 R Reserved

6076/7076 7538 R Status1 -

6078/7078 7539 R Status2 -

6080/7080 7540 R TimewhenU>0and/orI>0 hours

6082/7082 7541 R Timeofwork hours

6084/7084 7542 R Numberofpoweractivations -

6086/7086 7543 R Minimumvoltage V

6088/7088 7544 R Maximumvoltage V

6090/7090 7545 R Minimumcurrent A

6092/7092 7546 R Maximumcurrent A

6094/7094 7547 R Minimumactivepower W

6096/7096 7548 R Maximumactivepower W

6098/7098 7549 R Minimumreactivepower var

6100/7100 7550 R Maximumreactivepower var

6102/7102 7551 R Minimumapparentpower VA

6104/7104 7552 R Maximumapparentpower VA

6106/7106 7553 R Minimumactivepowerfactor -

6108/7108 7554 R Maximumactivepowerfactor -

6110/7110 7555 R Minimumactive/reactivepowerratio -

6112/7112 7556 R Maximumactive/reactivepowerratio -

6114/7114 7557 R Minimumfrequency Hz

6116/7116 7558 R Maximumfrequency Hz

��

6118/7118 7559 R Minimumaverageactivepower15,30,60-minute

W

6120/7120 7560 R Maximumaverageactivepower15,30,60-minute

W

6122/7122 7561 R Reserved

6124/7124 7562 R Reserved

6126/7126 7563 R Reserved

6128/7128 7564 R Reserved

6130/7130 7565 R Minimum cosine φ -

6132/7132 7566 R Maximum cosine φ -

6134/7134 7567 R Minimum φ shift angle

6136/7136 7568 R Maximum φ phase angle

6138/7138 7569 R Minimum1/3current A

6140/7140 7570 R Maximum1/3current A

6142/7142 7571 R Reserved

In case of values below the lower limit the value is -1e20;incaseofvaluesabovetheupperlimitorerrorsitis1e20.

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8. ERROR CODES

Afterturningthemeteronsomeerrorcodescanappearondis-play.Errorreasonsaredescribedasfollow.Followingerrorcodesmeans:

ErrorCalibration–lossofmetercalibrationvalues.Pleasecon-tactyourserviceprovider.

Error Memory – non-volatile memory failure. Please contactyourserviceprovider.

Error Parameters – invalid configuration values. PressingENTER( )buttondisablestheerrormessage.Pleaseresto-refactorysettings.

ErrorEnergy–invalidenergyvalues.PressingENTER( )buttondisablestheerrormessage.Valueswillbereset.

ErrorIntercommunication–firmwareupdatefinishedwitherror.Pleasetryagain,iferrorremains–pleasecontactyourserviceprovider.

During normal operation some error messages can appear.Errorreasonsaredescribedasfollow:

^^^^^-exceedingtheupperprogrammedvalueofthemeasu-ringrange.Inaddition,thismessagemayappearwhenthevol-tageand/orcurrentistoolowortoohightomeasure: - Power factor, tangentgφ – bellow 5 % Un, 1 % In, orover120%Un,In -f–bellow5%Un,orover120%Unvvvvv–exceedingthelowerprogrammedvalueofthemeasu-ringrange.

�0

The implemented functions of N27P meter allows softwareupdatesfromaPCwiththesoftwareeCon.FreesoftwareeConandupdate filesareavailableonwww.lumel.com.pl.UpdatingisdoneviatheUSBinterfaceofN27Pmeter.N27Pmeter’ssof-twareconsistsoftwolayers:L1andL2.Theupdatecanbeper-formedforoneorbothlevels.

9. FIRMWARE UPDATING

9.1 Software L1 level update

Figure 11. eCon main window

�1

Figure 12. Main window of firmware updating software

Attention! Afterthefirmwareisupdated,thefactoryconfigurationisset,so it is recommended to save actual configuration to file using eConapplication.

WheneCon isstarted(Figure11),set thecommunicationparametersontheleftsideofapplicationmainwindowandthenclickConnect.Themeterwillbeautomaticallyrecognized.InN27P – configurationregionthemeterconfigurationshouldbereadandsavetofileforlaterrestoration.Then,fromthemenuatthetopoftheapplication,selectUpdateFirmwa-re.ApplicationLUMELUPDATER(LU)willappear(Figure12). In thisapplication,selectthecorrectserialportonwhichN27Pmeterisinstal-ledandpresstheConnectbutton.IntheMessagewindowactualinfor-

��

mationsareposted.AftersuccessfulconnectingtothemetermessagePort opened will appear. The meter displays UPDATE messageandaprogressbaronitsdisplay.WhenLUproperlydetectedthemetertheapplicationshowinformationaboutsoftwareversionandbootloaderversion.At thispointyoumustspecify thecorrect firmware filebycli-cking[…]button.WhenfileiscorrectedLUpostsmessageFile opened.ThenpresstheSendbutton.Duringthesoftwareupdate,both,LUandthemetershowstheprogressbar.Afterasuccessfullfinishingthemeterreboots, sets factory settings and goes to normal operation. LU postmessageDONEanddurationofupdatingprocess.InthenextstepthepreviouslysavedconfigurationshouldberestoredfromeConmenu.

Caution!Turningoffthemeterduringupdateprocessmaycauseper-manentdamageofthemeter!

��

Software L2 level update can be done via USB interface.Toperformfollowtheprocedure:

1.TurnoffN27Pmeter2.PlugUSBcabletometersconnectorandtothePConotherside3.PressandholdENTERbuttonandthenturnthemeteron4.Releasethebuttonandwaittillnewremovablediskdrive,

namedCRP2ENABLD,appear5. Click left mouse button twice to open the disk drive and

showitscontent6.Removeexistingfilenamedfirmware.bin7.Copythenewfileinplaceofprevoiuslydeleted8.Rebootthemeter.Actual firmwareversion isdisplayedon

themetersdisplaywhilethemeterisbooting.

Caution! Turning off the meter during update process maycausepermanentdamageofthemeter!

9.2 Software L2 level update

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10. TECHNICAL DATA

Measuringrangesandadmissiblebasicerrorsforindi-rectmeasurementversion(table12)andforindirectmeasure-mentversion(table13)

Measured value Measuring range Basic error

CurrentIn1A5A

0.005 .. 1.200 A~0.025 .. 6.000 A~ 0.2%ofrange

VoltageL-N100V400V

5.0..120.0V20.0..480.0V

0.2%ofrange

Frequency 45.0..66.0…100.0Hz 0.2%ofmea-suredvalue

Activepower -2.88kW..1.00W..2,88kW 0.5%ofrange

Reactivepower -2.88kvar..1.00var..2.88kvar 0.5%ofrange

Apparentpower 1.00VA..2.88kVA 0.5%ofrange

PowerFactor -1..0..1 0.5%ofrange

Tangent φ -1.2..0..1.2 1%ofrange

Angle φ -180..180° 1%ofrange

Activeenergy 0..9999999.9kWh 0.5%ofmea-suredvalue

Reactiveenergy 0..9999999.9kvarh 0.5%ofmea-suredvalue

Table12

��

Measured value Measuring range Basic error

CurrenIn32A63A

0.160 .. 38.40 A~0.315 .. 75.60 A~

0.2%ofrange

VoltageL-N100V400V

5.0..120.0V20.0..480.0V

0.2%ofrange

Frequency 45.0..66.0…100,0Hz 0.2%ofmeasu-redvalue

Activepower -36.28kW...1.00W...36.28kW 0.5%ofrange

Reactivepower -36.28kvar...1.00var...36.28kvar 0.5%ofrange

Apparentpower 1.00VA..36.28kVA 0.5%ofrange

PowerFactor -1..0..1 0.5%ofrange

Tangent φ -1,2..0..1,2 1%ofrange

Angle φ -180..180° 1%ofrange

Activeenergy 0..9999999,9kWh 0.5%ofmeasu-redvalue

Reactiveenergy 0..9999999,9kvarh 0.5%ofmeasu-redvalue

Table13

Typical processing time: 1.2s

Maximum processing time: 2.2s

Power consumption:in power supply circuit ≤ 5 VAin voltage circuit ≤ 0.2 VAin current circuit ≤ 0.05 VA for 1 A/5 A version

≤ 2.5 VA for 32 A/63 A version

---

�6

Relay outputs: NOtypecontacts load capacity 250 V~/0.5 A~ numberofcycles 1x105

Analog output programmable: current(maximalrange)0..+22mA load resistance: 0...250 Ω disposablevoltage:15V basicerror:0.2%ofrange resolution:0.05%ofrange

Serial interfaces RS485:address1..247; mode:8N2,8E1,8O1,8N1; baudrate:4.8,9.6,19.2,38.4,57.6, 115.2kbit/s, USB for configuration:1.1/2.0, address1;tryb8N2; baudrate9.6kbit/s, maximalUSBwirelengthUSB3m broadcastingaddress:253 transmissionprotocoll:modbusRTU timetostartresponse: 100ms(read) 1000ms(write)Voltage transformer ratio Ku 0.1..4000.0

Current transformer ratio Ki 1..10000

Test voltages:powersupply,alarmoutputs 2.1kVd.c.measurementinputs 3.2kVd.c.RS485andUSBinterfaces,analogueoutput0.7kVd.c.

��

Protection grade ensured by the casing: fromthefrontalside IP50 fromtheterminalside IP00

Weight <0.2kg

Dimensions 53x110x60mm

Mounting onrail35mm

Reference and rated operating conditions-supplyvoltage 85..253Va.c.40..400Hz;90..300Vd.c.-inputsignal 0...0.005...1.2In;0.05...1.2Un forcurrent,voltage 0...0.01...1.2In;0..0.05..1.2Un for power factors Pfi , tgφi frequency45..66..100Hz sinusoidal(THD<8%)-powerfactor -1...0...1-analogoutput 0...+20...22mA-ambienttemperature -10...23...+55°C-ambienttemperature -25..+85°C-relativehumidity <95%(withoutcondensation)-admissiblepeakfactor: -current 2 -voltage 2-externalmagneticfield 0..40..400A/m-shortoverload(1s) -voltageinput 2Un(max.1000V) -currentinput 10In-operatingposition vertical-preheatingtime 15minutes

��

Additional errors:in%ofthebasicerror-fromfrequencyofinputsignals <50%-fromambienttemperaturechanges <100%/10°C

Electromagnetic compatibility:-noiseimmunity acc.toEN61000-6-2-noiseemissions acc.toEN61000-6-4

Safety requirements:accordingtoEN61010-1standard

isolationbetweencircuits:basic,installationcategoryIII(forvoltageabove300V–cat.II),pollutionlevel:2,maximalphase-to-earthvoltage:

-forsupplycircuit 300V -formeasuringcircuits 600V-cat.II(300V–cat.III) -forremainingcircuits 50V

altitudeabovesealevel <2000m.

••••

•

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11. ORDERING CODE

N27P- X X XX X XCurrent measurement range:1A/5Aa.c. 132A/63Aa.c. 2outputs:2relayotputs 11relayoutputand1analogoutput0/4...20mA 2Version:standard 00custom-made* XXLanguage:Polish PEnglish Eother* XAcceptance tests:withoutextrarequirements 0withanextraqualityinspectioncertificate 1acc.tocustomer’srequest* X

*mustbeagreedwiththemanufacturer

Table14

60

ORDER EXAMPLE:ThecodeN27P-1100E0 means: N27P-N27Pmeter, 1-forindirectmeasurementsinthe1A/5Arange, 1-tworelayoutputs,00-standardversion,E-Englishversion,0-withoutextrarequirements.

6�

N27

P-0

9A

LUMEL S.A.ul. Słubicka 1, 65-127 Zielona Góra, Poland

Tel.: (48-68) 45 75 100Fax: (48-68) 45 75 508e-mail:[email protected]://www.lumel.com.pl

Export Department:Tel.: (48-68) 45 75 302Fax: (48-68) 32 54 091e-mail: [email protected]

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