Rockwell Automation Allen-Bradley Compact 5000 Series User Manual

Rockwell Automation Publication 5069-UM003B-EN-P - January 2020 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.
Figure 11 - Modbus Slave Write Command
Figure 12 - Modbus Slave Read Command
ControlLogix 5580/CompactLogix 5380
5069-SERIAL Modbus Master
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
Response
Modbus Master
Command with
Write Data
Virtual Device Application
ControlLogix 5580/CompactLogix 5380
5069-SERIAL Modbus Master
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
Response with
Read Data
Modbus Master
Command
Virtual Device Application

Rockwell Automation Allen-Bradley Compact 5000 Series Specifications

General

Brand	Rockwell Automation
Model	Allen-Bradley Compact 5000 Series
Category	I/O Systems
Language	English