Command: 5STX4 address J 5ETX4 checksum
Response: 5ACK4 address J Tnnnnn Xnnnnn Snnnnn
Onnnnn 5ETX4 checksum
where:
Tnnnnn - total elapsed hours
Xnnnnn - elapsed hours in transmit mode
Snnnnn - elapsed hours in standby mode
Onnnnn - elapsed hours in off mode
6.4.5 Command Messages Passing Parameters
Command ASCII Hex
Set low power alarm A 41h
Set high power alarm B 42h
Set attenuator D 44h
Set address Y 59
Set baud rate Z 5A
Command: Gen: 5STX4 address A=nnn 5ETX4 checksum
ASCII: 5STX45A=1505ETX4 |
Hex: 02 35 41 3D 31 35 30 03 7C
Response: Gen: 5ACK4 address A 5ETX4 checksum
ASCII: 5ACK45A5ETX4q
Hex: 06 35 41 03 71
The alarm setting is sent as ’=nnn’, where ’nnn’ is in watts (leading zeros not
required). The alarms are disabled by setting to zero (A=0, B=0).
The attenuator setting is sent as ’=nnn’ where ’nnn’ is in nominal units (leading zeros
not required).
If the ‘=’ is omitted, the command will be considered invalid and a ‘not
acknowledge’ response sent.
6.4.6 Response To An Invalid Command Message:
Command messages will be classed as invalid if the command is not recognised, a
parameter is out of range or not numeric or the command cannot be executed. For
example, if a command which is not part of the amplifier command set is used, the
response will be as follows:
Command: Gen: 5STX4 address B 5ETX4 checksum
ASCII: 5STX45b5ETX4v
Hex: 02 35 42 03 76
Response: Gen: 5NAK4 address B D1 5ETX4 checksum
ASCII: 5NAK45Bp5ETX45DC14
Hex: 15 35 42 70 03 11
HBN63xx-1, Issue 8, Page 39
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