13
AHnet PROTOCOL
Commands
COMMAND
DESCRIPTION
RESPONSE
FA XX 01 01 00
OPEN THE UNIT
FB XX 01 01 00
FA XX 01 00 00
CLOSE THE UNIT
FB XX 01 00 00
FA XX 04 01 00
BUTTON LOCK
FB XX 04 01 00
FA XX 04 00 00
BUTTON UNLOCK
FB XX 04 00 00
FA XX 14 00 00
INQUIRY CONTROL BYTE
FB XX 14 CB1 CB2
XX
Number of the device address. Up to 30 devices for each
RS422 BUS
CB1
Response in 8 bits of the device status
CB2
Response in 8 bits of the device status
CB1
BITE
7
6
5
4
3
2
1
0
CLOSED
1
1
0
1
OPENED
0
1
0
1
PROTECTION STOP
1
UNIT OK
0
CB2
BITE
7
6
5
4
3
2
1
0
BUTTON LOCK
1
BUTTON UNLOCK
0
To send an order to all the devices, you must use the address:
F5 Hex. (Byte1)
In this case, the units do not send a reply.
