RESEARCH CONCEPTS RC2000C Manual page 93

RC2000C Az/El Tracking Antenna Controller
byte 26:
7 6 5 4
0 0 1 0 $ _ _ _ _
byte 27:
7 6 5 4
0 0 1 0 $ _ _ _ _
Note - Higher value status codes have priority over lower value ones, i.e. if as part of an auto
move command the antenna is moving CW the status will be reported as 'auto move in
progress' rather than 'CW movement in progress'.
byte 28:
7 6 5 4
0 0 1 0 $ _ _ _ _
byte 29:
7 6 5 4
0 0 1 0 $ 0 0 _ _
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polarization code and autopol status - binary data
3 2 1 0
0 x x x * auto pol disabled
1 x x x auto pol enabled
x 0 0 0 'H' polarization code displayed
x 0 0 1 'h' polarization code displayed
x 0 1 0 'V' polarization code displayed
x 0 1 1 'v' polarization code displayed
x 1 0 0 no polarization code displayed
* Note, 'x' means don't care
azimuth movement/alarm status - binary data
3 2 1 0
0 0 0 0 no alarms or movement
0 0 1 0 CCW movement pending
0 0 1 1 CW movement pending
0 1 0 0 CCW movement in progress
0 1 0 1 CW movement in progress
0 1 1 1 an auto move is in progress
1 0 0 0 runaway alarm active
1 0 0 1 jammed alarm active
1 1 0 0 drive alarm active. This is triggered by an overcurrent
condition.
elevation movement/alarm status - binary data
3 2 1 0
0 0 0 0 no alarms or movement
0 0 1 0 down movement pending
0 0 1 1 up movement pending
0 1 0 0 down movement in progress
0 1 0 1 up movement in progress
0 1 1 1 an auto move is in progress
1 0 0 0 runaway alarm active
1 0 0 1 jammed alarm active
1 0 1 0 limit alarm active
1 1 0 0 drive alarm active. This is triggered by an overcurrent
condition.
polarization movement status - binary data
3 2 1 0
0 0
0 1
1 0
1 1
Appendix E Communications Protocol
no polarization movement
cw jog in progress
ccw jog in progress
go to H or V in progress
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