Rockwell Automation 440R MSR300 Modular Safety Control System - Manual (Page 71)

MSR300 Safety System Manual
Rockwell Automation
MSR300 Manual.doc Pg 71 of 85
Write Single Registers (0x06)
Query:
Fieldname
Example
Slave Address 0x01
Function Code 0x06
Start Address (High byte) 0x00
Start Address (Low byte) 0x03
Data (High byte) 0x00
Data (Low byte) 0x02
CRC (High byte) 0xF8
CRC (Low byte) 0x0B
Response:
Fieldname
Example
Slave Address 0x01
Function Code 0x03
Start Address (High byte) 0x00
Start Address (Low byte) 0x03
Data (High Byte) 0x00
Data (Low Byte) 0x02
CRC (High byte) 0x34
CRC (Low byte) 0x0B
Error Response:
Fieldname
Slave Address
0x01
Function Code 0x86
Exception Code (See supported exception codes)
CRC (High byte) 0x..
CRC (Low byte) 0x..