Research Concepts RC2500 User Manual

Page 87

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80

RC2500 Antenna Controller

Appendix E

RC2500 Comm Protocol

Research Concepts, Inc. • 5420 Martindale Road • Shawnee, Kansas • 66218-9680 • USA

www.researchconcepts.com

7 6 5 4 3 2 1 0

0 1 0 S $ X X X X

where ‘S’ is ...
0 if the axis is configured for slow speed movement
1 if the axis is configured for fast speed movement

where ‘XXXX’ is ...
0000 no alarms or movement
0010 ccw movement pending
0011 cw movement pending
0100 ccw movement in progress
0101 cw movement in progress
0111 an auto move is in progress

1000 off axis alarm active. This alarm code is reported if an
elevation alarm is active. The controller has a single output
which disables both the azimuth and elevation drives. If a
jammed, sensor, or runaway alarm is detected for the elevation
axis the controller will disable the elevation drive which also has
the effect of disabling the azimuth drive. When this occurs the
azimuth off axis alarm activates.

1001 sensor direction alarm active
1010 runaway alarm active
1011 jammed alarm active
1100 drive alarm active. This is triggered by an overcurrent
condition.

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 clockwise the status will be reported as 'auto move in

progress' rather than 'clockwise movement in progress'.

byte 34

elevation movement/alarm status - binary data

7 6 5 4 3 2 1 0

0 1 0 S $ X X X X

where ‘S’ is ...
0 if the axis is configured for slow speed movement
1 if the axis is configured for fast speed movement

where ‘XXXX’ is ...
0000 no alarms or movement
0010 ccw movement pending
0011 cw movement pending
0100 ccw movement in progress
0101 cw movement in progress
0111 an auto move is in progress
1000 off axis alarm active. This alarm code is reported if an
azimuth alarm is active. The controller has a single output which
disables both the azimuth and elevation drives. If a jammed,
sensor, or runaway alarm is detected for the azimuth axis the
controller will disable the azimuth drive which also has the effect
of disabling the elevation drive. When this occurs the elevation
off axis alarm activates.
1001 sensor direction alarm active
1010 runaway alarm active
1011 jammed alarm active
1100 drive alarm active. This is triggered by an overcurrent
condition.

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