TECO TP03 PLC User Manual

Chapter 2 Basic Unit Specification
3. Communication ports
2-17
E. 06H Write a single register
Function
Code
06H
Function This function code is used to write a single holding register in a remote device.
Format
PC Æ PLC PLCÆPC(OK) PLCÆPC(ERROR)
Slave Address 01H Slave Address 01H Slave Address 01H
Function Code 06H Function Code 06H Function Code 86H
High 40H High 40H Exception Code 03H 40H
01H
Low 01H
Register
address
Low 01H Low 02H
High 00H High 00H
CRC-16
High 61H
Data
00H
03H
Low 03H
Data
Input
Data
Low 03H
Low 8DH Low 8DH
CRC-16
High CBH
CRC-16
High CBH
Remark
F. 10H Write multiple registers:
Function
Code
10H
Function
This function code is used to write a block of consecutive registers (1 to 125 registers)
in a remote device.
Format
PC Æ PLC PLCÆPC(OK) PLCÆPC(ERROR)
Slave Address 01H Slave Address 01H Slave Address 01H
Function Code 10H Function Code 10H Function Code 90H
High 40H High 40H Exception Code 03HStart
Address
Low 01H
Start
Address
Low 01H Low 0CH
High 00H High 00H
CRC-16
High 01HRegister
number
Low 02H
Data
Register
number
Low 02H
Bytes count 04H Low 05H
Data
*Input Data
CRC-16
High C8H
Low XX
CRC-16
High XX
Remark
1. Start character is the first register address.
2. Byte count equals quantity of register ×2. (each register contains two bytes)
3. The data length is equal to Bytes. As in the above example, Bytes=4, that is input
data length is 4 bytes.
4. XX represents that the data differs with different input data.

TECO TP03 PLC Specifications

General

Brand	TECO
Model	TP03 PLC
Category	Controller
Language	English