1 Modbus RTU Protocol
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1.5 Force single coil (Func 05–05H)
Turns ON (FF00 H) or OFF (0000 H) of single coil (0X reference) status within slave device.
(1) Query (Master)
Slave address Function
(2) Response (Slave)
Slave address Function
1Byte 1Byte 1Byte 1Byte 1Byte 1Byte 1Byte 1Byte
If Coil 000001 (0000 H) turns ON of Slave (Address 17) from Master.
Query (Master)
Slave address Function
11 H 05 H 00 H 00 H FFH 00 H ## H ## H
Response (Slave)
Slave address Function
11 H 05 H 00 H 00 H FF H 00 H ## H ## H