Fairford synergy, Руководство пользователя

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Synergy Series Soft Start User Manual
MAN-SGY-017. Version 01. 27/06/2016
116
The following services are available:
Read Holding Registers
Description: reading register blocks of holding register type (block R/W limited to 8 registers).
•
Function code: 03
Modbus Function 03 Transaction Table
Quer
y
Respons
e
Field Hex Byte Field Hex Byte
Slave address 01 Slave address 01
Function 03 Function 03
Start address Hi 00 Byte count 02
Start address Lo 01 Data Hi 01
No of registers
Hi 00 Data Lo 2C
No of registers
Lo 01 CRC Lo B8
CRC Lo D5 CRC Hi 09
CRC Hi CA
Write Single Register
Description: writing in a single register of the holding type.
•
Function code: 06
Modbus Function 06 Transaction Table
Quer
y
Respons
e
Fiel
d
Hex Byte Fiel
d
Hex Byte
Slave address 01 Slave address 01
Function 06 Function 06
Address Hi 00 Address Hi 02
Address Lo 0C Address Lo 0C
Force data Hi 00 Force data Hi 00
Force data Lo 09 Force data Lo 09
CRC Lo 48 CRC Lo 88
CRC Hi 0C CRC Hi 77
4. Communication (continued)