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
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