Carbon Monoxide Transmitter Modbus
Installation Manual
May 5, 2017
IN-CMD5B4MOD-01-01 Page 25
0x03 --- Read Relay 2 Status
Query
0x3A
Slave address
0x01 to 0xFF
MSB
Slave address
0x01 to 0xFF
LSB
0x30 0x33 0x30 0x30 0x30 0x35
0x30
0x30
0x30
0x31
LRC MSB
LRC LSB
0x0D
0x0A
Response
0x3A
Slave address
0x01 to 0xFF
MSB
Slave address
0x01 to 0xFF
LSB
0x30 0x33 0x30 0x32
0x30 0x30 0x30
0x30 (relay 2 not activated)
0x31 (relay 2 activated)
LRC
MSB
LRC
LSB
0x0D 0x0A
0x03 --- Read Test Mode Status
Query
0x3A
Slave address
0x01 to 0xFF
MSB
Slave address
0x01 to 0xFF
LSB
0x30 0x33 0x30 0x30 0x30 0x36
0x30
0x30
0x30
0x31
LRC MSB
LRC LSB
0x0D
0x0A
Response
0x3A
Slave address
0x01 to 0xFF
MSB
Slave address
0x01 to 0xFF
LSB
0x30 0x33 0x30 0x32
0x30 0x30 0x30
0x30 (test not activated)
0x31 (test activated)
LRC
MSB
LRC
LSB
0x0D 0x0A
0x03 --- Read Fault Mode Status
Query
0x3A
Slave address
0x01 to 0xFF
MSB
Slave address
0x01 to 0xFF
LSB
0x30 0x33 0x30 0x30 0x30 0x37
0x30
0x30
0x30
0x31
LRC MSB
LRC LSB
0x0D
0x0A
Response
0x3A
Slave address
0x01 to 0xFF
MSB
Slave address
0x01 to 0xFF
LSB
0x30 0x33 0x30 0x32
0x30 0x30 0x30
0x30 (fault not activated)
0x31 (fault activated)
LRC
MSB
LRC
LSB
0x0D 0x0A