Control Techniques Modbus RTU - Page 9

Modbus RTU Module Modbus Registers
9.2 Examples
Command: Start
Message
Starter
Address
Function
Code
Register
Address
Data
CRC
In
20
06
40002
1
CRC1, CRC2
Out
20
06
40002
1
CRC1,CRC 2
Starter state: Running
Message
Starter
Address
Function
Code
Register
Address
Data
CRC
In
20
03
40003
1
CRC1, CRC2
Out
20
03
2
xxxx0011
CRC1, CRC2
Trip code: Motor overload
Message
Starter
Address
Function
Code
Register
Address
Data
CRC
In
20
03
40004
1
CRC1, CRC2
Out 20 03 2 00000010 CRC1, CRC2
User Manual 7