Autonics SPR1 Series, User Manual For Communication

Page: 15 / 22

1 Modbus RTU Protocol
© Copyright Reserved Autonics Co., Ltd. 15
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 Starting address
Preset data Error check (CRC16)
High Low High Low Low High
1Byte 1Byte 1Byte 1Byte 1Byte 1Byte 1Byte 1Byte
(2) Response (Slave)
Slave address Function Starting address
Preset data Error check (CRC16)
High Low High Low Low High
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 Starting address
Preset data Error check (CRC16)
High Low High Low Low High
11 H 05 H 00 H 00 H FFH 00 H ## H ## H

Response (Slave)
Slave address Function Starting address
Preset data Error check (CRC16)
High Low High Low Low High
11 H 05 H 00 H 00 H FF H 00 H ## H ## H
CRC16
CRC16