Explore Scientific Truss Dobsonian – 10” to 16” : Encoders ... · Title: Microsoft Word - ES...
8
Copyright © 2016, Astro Devices. All rights reserved. 1 Explore Scientific Truss Dobsonian – 10” to 16” : Encoders Installation Specifications: Altitude Encoder resolution: 10” - 304000 steps per revolution 12” - 321300 steps per revolution 16” - 370732 steps per revolution Azimuth Encoder resolution: 8192 steps per revolution Current consumption: 20 mA – altitude encoder, 10 mA – azimuth encoder Note: Please set the encoder steps to the values corresponding to the model of your telescope: Do not subject encoder disks to magnetic fields as it may affect the magnetization of the magnetic multi-pole rings. Please make sure that you have all the parts included in the kit:
Transcript of Explore Scientific Truss Dobsonian – 10” to 16” : Encoders ... · Title: Microsoft Word - ES...
Copyright©2016,AstroDevices.Allrightsreserved.
1
ExploreScientificTrussDobsonian–10”to16”:EncodersInstallation
Specifications:AltitudeEncoderresolution:
10”-304000stepsperrevolution12”-321300stepsperrevolution16”-370732stepsperrevolution
AzimuthEncoderresolution:8192stepsperrevolutionCurrentconsumption:20mA–altitudeencoder,10mA–azimuthencoderNote:Pleasesettheencoderstepstothevaluescorrespondingtothemodelofyourtelescope:
Donotsubjectencoderdiskstomagneticfieldsasitmayaffectthemagnetizationofthemagneticmulti-polerings.
Pleasemakesurethatyouhaveallthepartsincludedinthekit:
Copyright©2016,AstroDevices.Allrightsreserved.
2
AzimuthencoderinstallationYouwillneedthefollowingpartstoinstalltheazimuthencoder:
Pleaseremovethemirrorboxfromtherockerbox:
Pleaselocatethethreadedholeinthepivotbolt:
Copyright©2016,AstroDevices.Allrightsreserved.
3
YouwillneedthesetscrewandtheAllenkey:
PutthesetscrewintothethreadedholeandmakeacoupleofturnsbutleavetheAllenkeyinthesetscrew:
Cleanthesurfaceinthebackwithanalcoholwipe–wheretheencoder’sfootwillbeglued.Removetheprotectivefilmfromtheencoder’sfoot:
Copyright©2016,AstroDevices.Allrightsreserved.
4
Tightenthesetscrew
Theazimuthencoderisnowinstalled:
Installtheencodercable:
Copyright©2016,AstroDevices.Allrightsreserved.
5
AltitudeencoderinstallationYouwillneedthefollowingpartstoinstallthealtitudeencoder:
Putthemirrorboxintotherockerboxandcleantheinternalsurfaceofthealtitudebearing(onthesamesideaswherethefocuseris)withthealcoholwipe:
Installtheencoderreaderstartingwiththelefthole:
Copyright©2016,AstroDevices.Allrightsreserved.
6
Thenputthesecondknobin
Positionthetelescopevertically.Nowyouneedtouseapenciltomarkthestartofthemagnetictape–itshouldbeapproximately10-15mm(~1/2”)fromtherightsideofthereader:
Copyright©2016,AstroDevices.Allrightsreserved.
7
Drawalinewiththepencil
Nowremovethereader
Removetheprotectivefilmfromthebackofthemagnetictape–donotremoveitcompletely,justafewcentimeters:
Copyright©2016,AstroDevices.Allrightsreserved.
8
Startgluingthetapealongtheouteredgeofthealtitudebearing–makesureitgoespreciselyalongtheedgeand.
Pressonthetapefirmlywithasoftcloth:
Hereisthefinalresult
FINISHED!
