D1 to D7 are seven data bytes representing the status of the amplifier, defined as
follows:
D1
D2
bit 7
(parity)
bit 7
(parity)
bit 6
1
bit 6
1
bit 5
0
bit 5
0
bit 4
summary 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
D4
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
power too low
bit 3
heater current
bit 2
low power alarm enabled
bit 2
HV overload
bit 1
RF enabled
bit 1
0
bit 0
remote enabled
bit 0
PFC fault
D5
D6
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
external interlock
bit 3
0
bit 2
reflected power
bit 2
0
bit 1
mean helix current
bit 1
case too hot
bit 0
peak helix current
bit 0
Upconverter fault
D7
bit 7
(parity)
bit 6
1
bit 5
0
bit 4
0
bit 3
baseplate too hot
bit 2
TWT too hot
bit 1
fan #2 fault
bit 0
fan #1 fault
6.4.4
Command messages requesting longer data strings
The command J (elapsed hours?) returns longer data strings than other commands.
The format is as follows:
Command
ASCII Hex
Elapsed hours?
J
4A
HBN63xx-1, Issue 8, Page 38