{"product_id":"prosoft-mvi56-mcm-controllogix-modbus-master-slave-module","title":"ProSoft MVI56-MCM Modbus Master\/Slave Communication Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe 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.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eDual serial ports independently configurable as Modbus Master or Slave.\u003c\/li\u003e\n\u003cli\u003eSupports RS-232, RS-485, and RS-422 physical interfaces.\u003c\/li\u003e\n\u003cli\u003eUser-controlled 5,000-word database for efficient data exchange between the processor and the network.\u003c\/li\u003e\n\u003cli\u003eIncludes specialized support for Enron and Daniel floating-point implementations.\u003c\/li\u003e\n\u003cli\u003eOptical isolation from the backplane (rated at 500 V) for enhanced signal integrity and safety.\u003c\/li\u003e\n\u003cli\u003eReal-time status indicators for module health, backplane transfer, and serial communication activity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eOil \u0026amp; Gas: Remote monitoring and control for pipelines and offshore platforms.\u003c\/li\u003e\n\u003cli\u003eWater and Wastewater: Integration of remote stations into SCADA systems.\u003c\/li\u003e\n\u003cli\u003eFood Processing: Connecting specialized processing equipment to the main PLC network.\u003c\/li\u003e\n\u003cli\u003ePulp and Paper: Interfacing legacy machinery with modern automation controllers.\u003c\/li\u003e\n\u003cli\u003eMining: Coordinating large-scale industrial equipment on a unified network.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Model\u003c\/td\u003e\n\u003ctd\u003eMVI56-MCM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Load\u003c\/td\u003e\n\u003ctd\u003e800 mA @ 5 VDC \/ 3 mA @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 degC (32 to 140 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 to 85 degC (-40 to 185 degF)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Format\u003c\/td\u003e\n\u003ctd\u003e7-8 data bits, 1-2 stop bits, parity (none, odd, even)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e500 V optical isolation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProtocol Support\u003c\/td\u003e\n\u003ctd\u003eModbus RTU (binary) and ASCII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.25 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the ControlLogix chassis is powered down before inserting or removing the module to prevent electrical damage.\u003c\/li\u003e\n\u003cli\u003eSeat the module firmly into the designated slot on the ControlLogix backplane and secure the top and bottom retaining screws.\u003c\/li\u003e\n\u003cli\u003eUse shielded communication cables for serial connections to minimize EMI interference in industrial environments.\u003c\/li\u003e\n\u003cli\u003eEnsure proper grounding of the serial cable shields at the appropriate termination points.\u003c\/li\u003e\n\u003cli\u003eThe module is configured using standard ladder logic within the Studio 5000 \/ RSLogix 5000 environment.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate ventilation around the chassis to ensure operation within the specified 0 to 60 degC range.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQs\u003c\/h3\u003e\u003ch3\u003eWhat is the difference between MVI56-MCM and MVI56-MCMR?\u003c\/h3\u003e\u003cp\u003eThe 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.\u003c\/p\u003e\u003ch3\u003eHow do I handle more than 100 commands per port?\u003c\/h3\u003e\u003cp\u003eWhile 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.\u003c\/p\u003e","brand":"ProSoft","offers":[{"title":"Default Title","offer_id":50637377929468,"sku":"MVI56-MCM","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/wm_1_e1255069-a727-4eb3-85ca-d23697a9e44a.jpg?v=1784884010","url":"https:\/\/www.electronicplc.com\/ar\/products\/prosoft-mvi56-mcm-controllogix-modbus-master-slave-module","provider":"Electronic PLC","version":"1.0","type":"link"}