The status response comprises 9 data bytes defined as follows. D1 to D3 are data bytes representing
the operational status of the amplifier
D1 Function
D2 Function
bit 7
Parity
bit 7
Parity
bit 6
1
bit 6
1
bit 5
0
bit 5
0
bit 4
Fault
bit 4
0
bit 3
Transmitting
bit 3
Output to antenna
bit 2
Standby
bit 2
Auto-redundancy enabled
bit 1
Warm-up
bit 1
Power too high
bit 0
Off
bit 0
High power alarm enabled.
D3 Function
bit 7
Parity
bit 6
1
bit 5
0
bit 4
0
bit 3
Power too low
bit 2
Low power alarm enabled
bit 1
RF enabled
bit 0
Remote enabled
D4 to D9 are data bytes representing the fault/warning status of the amplifier:
D4 Function
D5 Function
Bit 7
Parity
bit 7
Parity
Bit 6
1
bit 6
1
Bit 5
0
bit 5
0
Bit 4
0
bit 4
0
Bit 3
0
bit 3
PFC fault
Bit 2
External interlock
bit 2
Reflected power
Bit 1
HV overload
bit 1
Mean helix current
Bit 0
0
bit 0
Peak helix current
D6 Function
D7 Function
Bit 7
Parity
bit 7
Parity
Bit 6
1
bit 6
1
Bit 5
0
bit 5
0
Bit 4
Up-converter warning #2
bit 4
0
Bit 3
Linearizer enabled
bit 3
0
Bit 2
0
bit 2
Collector too hot
Bit 1
Case too hot
bit 1
Fan fault
Bit 0
Up-converter warning #1
bit 0
0
D8 Function
D9 Function
Bit 7
Parity
bit 7
Parity
Bit 6
1
bit 6
1
Bit 5
0
bit 5
0
Bit 4
0
bit 4
0
Bit 3
0
bit 3
Cathode volts outside limits
Bit 2
0
bit 2
Collector volts outside limits
Bit 1
0
bit 1
0
Bit 0
0
bit 0
Heater volts outside limits
© e2v technologies (uk) limited 2010
DAS768892AA
Version
1,
page
32
