RESEARCH CONCEPTS RC2000A DUAL AXIS Instructions Manual page 75

RC2000A Dual Axis Antenna Controller
x 0 0 1
x 0 1 0
x 0 1 1
x 1 0 0
x 1 0 1
byte 27:
7 6 5 4 3 2 1 0
0 0 1 0 $ _ _ _ _
0 0 0 0
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 1
1 0 0 0
1 0 0 1
1 1 0 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 west the status will be reported as 'auto move in
progress' rather than 'west movement in progress'.
byte 28:
7 6 5 4 3 2 1 0
0 0 1 0 $ _ _ _ _
0 0 0 0
0 0 1 0
0 0 1 1
0 1 0 0
0 1 0 1
0 1 1 1
1 0 0 0
1 0 0 1
1 0 1 0
1 1 0 0
byte 29:
7 6 5 4 3 2 1 0
0 0 1 0 $ 0 0 _ _
byte 30:
7 6 5 4 3
0 0 1 0 $ a3 a2 a1 a0
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'h' polarization code displayed
'V' polarization code displayed
'v' polarization code displayed
no polarization code displayed
polarization code passed as part of a User
Remote Auto Move command is displayed
* Note, 'x' means don't care
azimuth movement/alarm status - binary data
no alarms or movement
east movement pending
west movement pending
east movement in progress
west movement in progress
an auto move is in progress
runaway alarm active
jammed alarm active
drive alarm active.
overcurrent condition.
elevation movement/alarm status - binary data
no alarms or movement
down movement pending
up movement pending
down movement in progress
up movement in progress
an auto move is in progress
runaway alarm active
jammed alarm active
limit alarm active
drive alarm active.
overcurrent condition.
polarization movement status - binary data
0 0 no polarization movement
0 1 cw jog in progress
1 0 ccw jog in progress
1 1 go to H or V in progress
least significant nibble of alarm status - binary data
2 1 0
Appendix E Communications Protocol
This is triggered by an
This is triggered by an
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