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
Function
(2) Response (Slave)
Slave address Function
1Byte 1Byte 1Byte 1Byte 1Byte 1Byte 1Byte 1Byte
If write “10(A H)” to Holding Register 400001(0000 H) on Slave(Address 17) from Master.
Query (Master)
Slave address Function
11 H 06 H 00 H 00 H 00 H 0A H ## H ## H
Response (Slave)
Slave address Function
11 H 06 H 00 H 00 H 00 H 0A H ## H ## H