Declination

Drawing:  RCT001/Dec
EOS Drawing: 
Dec Drive Amplifer: Amp 3
Preload DriveAmplifer:Amp_4
Controller:PMAC #3    
Controller:PMAX #4
Limits: -47 --> +90 usable
        -48 --> +91 safe max avoids cable
Max speed:  1 deg/sec eventually 3?
Max accel:  0.1 deg/sec/sec eventually 0.5? 
Position encoder:Heidenhain RON 806 with EXE660 expander
Scale:  160,000 counts per degree increases north.
Homes: towards +32 degs with HA near 0H
Note:  floor must be down.
Gear: 360 tooth
Preload encoder: 3600 line BEI 
See Hour Angle for more details.

Software

rtel point command
rtel offset command

Photos

Here is a view of the Encoder and the limit switches.


Device Index