ProSoft MVI56-MCMR Modbus Master/slave Communication Module

Applications

• Remote ControlLogix Modbus Integration
Designed for ControlLogix remote rack architectures where efficient Modbus RTU/ASCII communication is required.

• Industrial Field Device Connectivity
Connects PLCs, drives, meters, analyzers, and other Modbus-compatible devices into a unified control system.

• Water and Wastewater Systems
Supports reliable monitoring and control of pumps, valves, and process instrumentation.

• Oil and Gas Automation Networks
Used in distributed control environments requiring stable serial communication over long distances.

• Power and Energy Management
Enables data exchange with intelligent electronic devices, relays, and metering systems.

• Manufacturing Process Integration
Integrates third-party Modbus equipment into ControlLogix-based automation architectures.

• SCADA System Communication
Supports data acquisition between field devices and supervisory systems.

• Harsh Industrial Environments
Suitable for continuous operation in demanding process control applications.

Key Advantages

• Reduced Data Block Architecture
Optimized design minimizes backplane load, making it ideal for remote rack applications.

• Dual Independent Serial Ports
Each port can be configured individually as Modbus Master or Slave.

• Flexible Serial Standards Support
Supports RS-232, RS-422, and RS-485 communication interfaces.

• Efficient System Integration
Allows seamless addition of Modbus capability without major PLC program changes.

• Advanced Diagnostic Functions
Provides clear status and communication diagnostics for fast troubleshooting.

• Remote Configuration Support
Enables access and maintenance through Ethernet-based diagnostic tools.

• High Industrial Reliability
Built for continuous operation in harsh and mission-critical environments.

• Cost-Effective Upgrade Path
Enables modernization of legacy Modbus systems without full system replacement.

Technical FAQs

1. What is the main function of the MVI56-MCMR?

It enables Modbus RTU and ASCII communication between ControlLogix processors and external Modbus devices using a reduced data block architecture.

2. What is the difference between MCM and MCMR versions?

The MCMR version uses a reduced data block structure, making it more suitable for remote rack and bandwidth-limited applications.

3. Which PLC platform is supported?

It is designed for Rockwell Automation ControlLogix systems.

4. Can both serial ports operate independently?

Yes. Each port can be configured separately as a Modbus Master or Slave.

5. What serial communication types are supported?

It supports RS-232, RS-422, and RS-485 interfaces.

6. Does it support both Modbus RTU and ASCII?

Yes. Both protocols are fully supported.

7. Is the module suitable for remote rack installations?

Yes. It is specifically optimized for remote chassis applications.

8. Can it communicate with multiple Modbus devices?

Yes. It can exchange data with multiple devices depending on configuration.

9. Does it support hot swapping?

Yes. It supports removal and insertion under power.

10. Is it backward compatible with older versions?

Yes. It supports backward compatibility with previous MVI56-MCMR modules.