Autonics SPR3 Series User Manual

1 Modbus RTU Protocol
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1.6 Preset single register (Func 06–06H)
Read the Binary data of single Holding Register (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

Autonics SPR3 Series Specifications

General

Brand	Autonics
Model	SPR3 Series
Category	Controller
Language	English