Autonics CT Series - Preset Single Registers

1 Modbus RTU Protocol
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1.6 Preset single registers (Func 06–06H)
Read the Binary data of single Holding Registers (4X reference) in 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 write “10(A H)” to Holding Register 40001(0000 H) on 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 06 H 00 H 00 H 00 H 0A H ## H ## H
 Response (Slave)
Slave address Function
Starting address
Preset data
Error check (CRC16)
High
Low
High
Low
Low
High
11 H 06 H 00 H 00 H 00 H 0A H ## H ## H
CRC16
CRC16