RESEARCH CONCEPTS RC2000C Manual page 94

86 RC2000C Az/El Tracking Antenna Controller
bytes 30-31:
byte 30:
7 6 5 4
0 0 1 0 $ _ _ _ _
byte 31:
7 6 5 4
0 0 1 0 $ _ _ _ _
Alarm codes - See the system error codes in chapter 6 of the RC2000A manual.
a a a a $ a a a a
7 6 5 4
- - - -
byte 32:
The RC2000 currently supports two polarization control devices, a Polarotor and a rotating feed
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These bytes are used to encode the alarm code. The alarm code (a byte
value) specifies the alarm condition that is presently active. See the table
below for the various alarm codes.
least significant nibble of alarm status - binary data
3 2 1 0
least significant nibble
a a a a of the alarm code
3 2 1 0
most significant nibble of alarm status - binary data
3 2 1 0
most significant nibble
a a a a of the alarm code
7 6 5 4
3 2 1 0
- - - -
0 0 0 0 0 0 0 0
0 0 0 0 0 0 0 1
0 0 0 0 0 0 1 0
0 0 0 0 0 0 1 1
0 0 0 0 0 1 0 0
0 0 0 0 0 1 0 1
0 0 0 0 0 1 1 0
0 0 0 0 0 1 1 1
0 0 0 0 1 0 0 0
0 0 0 0 1 0 0 1
0 0 0 0 1 0 1 0
0 0 0 0 1 0 1 1
0 0 0 0 1 1 0 0
0 0 0 0 1 1 0 1
0 0 0 0 1 1 1 0
0 0 0 0 1 1 1 1
0 0 0 1 0 0 0 0
0 0 0 1 0 0 0 1
0 0 0 1 0 0 1 0
0 0 0 1 0 0 1 1
0 0 0 1 0 1 0 0
This byte gives information that allows the user to determine the exact value of
the controller's internal polarization position representation. This may be used
with the auto$move command to position the polarization control device at a
specific value.
with potentiometer position sense feedback.
Appendix E Communications Protocol
0 - no alarm active
1 - low battery alarm
2 - azimuth alarm
3 - elevation alarm
4 - azim count alarm
5 - elev count alarm
6 - azim limit corrupt alarm
7 - elev limit corrupt alarm
8 - autopol data alarm
9 - simultaneous az/el alarm
10 - azim slow speed alarm
11 - elev slow speed alarm
12 - comm port data alarm
13 - geo elev position alarm
14 - track config data alarm
15 - antenna/receiver alarm
16 - time or data alarm
17 - az/el ang display alarm
18 - pol options alarm
19 - polarization alarm
20 - az/el options alarm
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