• ProSoft MVI56-MCM
  • ProSoft MVI56-MCM
  • ProSoft MVI56-MCM
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ProSoft MVI56-MCM Modbus Master/Slave Communication Module

ProSoft MVI56-MCM Modbus Master/Slave Communication Module

Description

The ProSoft MVI56-MCM is a high-performance Modbus Master/Slave communication module specifically designed for the Rockwell Automation ControlLogix platform. This module provides seamless integration for serial devices into the ControlLogix backplane,...

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SKU: MVI56-MCM
Proveedora: ProSoft
tipo: Communication Module
Related Series:

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Description

The ProSoft MVI56-MCM is a high-performance Modbus Master/Slave communication module specifically designed for the Rockwell Automation ControlLogix platform. This module provides seamless integration for serial devices into the ControlLogix backplane, enabling reliable communication via RS-232, RS-485, or RS-422 interfaces. It serves as a bridge for legacy equipment and specialized industrial sensors, supporting both Modbus RTU and ASCII protocols.

Features

  • Dual serial ports independently configurable as Modbus Master or Slave.
  • Supports RS-232, RS-485, and RS-422 physical interfaces.
  • User-controlled 5,000-word database for efficient data exchange between the processor and the network.
  • Includes specialized support for Enron and Daniel floating-point implementations.
  • Optical isolation from the backplane (rated at 500 V) for enhanced signal integrity and safety.
  • Real-time status indicators for module health, backplane transfer, and serial communication activity.

Applications

  • Oil & Gas: Remote monitoring and control for pipelines and offshore platforms.
  • Water and Wastewater: Integration of remote stations into SCADA systems.
  • Food Processing: Connecting specialized processing equipment to the main PLC network.
  • Pulp and Paper: Interfacing legacy machinery with modern automation controllers.
  • Mining: Coordinating large-scale industrial equipment on a unified network.

Technical Specifications

Product Model MVI56-MCM
Backplane Current Load 800 mA @ 5 VDC / 3 mA @ 24 VDC
Operating Temperature 0 to 60 degC (32 to 140 degF)
Storage Temperature -40 to 85 degC (-40 to 185 degF)
Data Format 7-8 data bits, 1-2 stop bits, parity (none, odd, even)
Isolation 500 V optical isolation
Protocol Support Modbus RTU (binary) and ASCII
Weight 0.25 kg

Installation Guidelines

  • Ensure the ControlLogix chassis is powered down before inserting or removing the module to prevent electrical damage.
  • Seat the module firmly into the designated slot on the ControlLogix backplane and secure the top and bottom retaining screws.
  • Use shielded communication cables for serial connections to minimize EMI interference in industrial environments.
  • Ensure proper grounding of the serial cable shields at the appropriate termination points.
  • The module is configured using standard ladder logic within the Studio 5000 / RSLogix 5000 environment.
  • Maintain adequate ventilation around the chassis to ensure operation within the specified 0 to 60 degC range.

FAQs

What is the difference between MVI56-MCM and MVI56-MCMR?

The MCM version uses a larger I/O image (250 input/248 output words) and is typically preferred for local chassis use. The MCMR version uses a smaller I/O image (42 input/42 output words), making it better suited for remote racks over ControlNet to reduce bandwidth consumption.

How do I handle more than 100 commands per port?

While each port's standard command list supports up to 100 entries, you can utilize Event Command control blocks to trigger additional Modbus commands directly from your PLC ladder logic.