Rockwell Automation Publication 5069-UM003A-EN-P - May 2018 39
Compact 5000 I/O Serial Module Features Chapter 3
Modbus Slave Data Exchange
For the Modbus Slave data exchange, the following definitions apply:
• Write - the Controller and Modbus Master can write data to the
Modbus Slave.
• Read - the Modbus Master reads data from the Modbus Slave.
Modbus Slave Write Command
5069-Serial Modbus Slave
Config Tag
Mapping Table
Output Tag Output
Data to Master
Input Tag Input Data
from Master
Produced
Data
Consumed
Data
CH0
Config Data
Consumed Data
Produced Data
CH1
Mapping Table
Modbus RTU/ASCII
Command with
Write Data
Modbus Master
Response
Virtual Device Application
ControlLogix 5580/CompactLogix 5380