{"product_id":"prosoft-mvi56-mcmr-modbus-communication-module","title":"ProSoft MVI56-MCMR Modbus Communication Module","description":"\u003ch2\u003eProSoft MVI56-MCMR Modbus Communication Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eProSoft MVI56-MCMR\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eMVI56-MCMR\u003c\/strong\u003e Modbus Communication Module, provides Modbus RTU and ASCII communication through a ControlLogix backplane interface.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eMVI56-MCMR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eProSoft\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eModbus Communication Module with Reduced Data Block\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlatform\u003c\/td\u003e\n\u003ctd\u003eControlLogix\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Interface\u003c\/td\u003e\n\u003ctd\u003eModbus RTU \/ ASCII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCFG Port\u003c\/td\u003e\n\u003ctd\u003eRJ45; DB-9M with supplied cable; RS-232 only\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModbus RTU\u003c\/td\u003e\n\u003ctd\u003eBinary mode with CRC-16 error checking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModbus ASCII\u003c\/td\u003e\n\u003ctd\u003eASCII mode with LRC error checking\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate\u003c\/td\u003e\n\u003ctd\u003e110 to 115K baud\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStop Bits\u003c\/td\u003e\n\u003ctd\u003e1 or 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Size\u003c\/td\u003e\n\u003ctd\u003e7 or 8 bits\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eParity\u003c\/td\u003e\n\u003ctd\u003eNone, Even, or Odd\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRTS Timing Delays\u003c\/td\u003e\n\u003ctd\u003e0 to 65535 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackplane Current Load\u003c\/td\u003e\n\u003ctd\u003e800 mA at 5 VDC; 3 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to 85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShock\u003c\/td\u003e\n\u003ctd\u003e30 g operational; 50 g non-operational\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVibration\u003c\/td\u003e\n\u003ctd\u003e5 g from 10 Hz to 150 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFloating Point Data\u003c\/td\u003e\n\u003ctd\u003eSupported\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFloating Point Implementations\u003c\/td\u003e\n\u003ctd\u003eEnron, Daniel, and other configurable implementations\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.40 lb\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eNot specified in supplied data\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified; backplane current load is 800 mA at 5 VDC and 3 mA at 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Platform Compatibility\u003c\/td\u003e\n\u003ctd\u003eControlLogix; EtherNet\/IP and ControlNet system environments\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProtocol Conversion and Serial Communication\u003c\/h3\u003e\n\u003cp\u003eThe MVI56-MCMR provides Modbus RTU and Modbus ASCII processing for ControlLogix-based automation architectures. Serial communication uses configurable baud rate, data size, parity, stop bits, and RTS timing delays.\u003c\/p\u003e\n\u003cp\u003eRTU transfers use binary data with CRC-16 error checking, while ASCII transfers use LRC error checking. Floating point data movement supports configurable Enron, Daniel, and other implementation formats.\u003c\/p\u003e\n\u003cp\u003eThe CFG port provides RS-232 communication through an RJ45 interface or DB-9M connection using the supplied cable. The specified configuration interface is RS-232 only.\u003c\/p\u003e\n\u003cp\u003eThe module uses a reduced data block architecture for exchanging Modbus data with the ControlLogix backplane. Backplane loading is specified as 800 mA at 5 VDC and 3 mA at 24 VDC.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What serial interface is provided through the CFG port?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The CFG port supports RS-232 only and uses an RJ45 connector or DB-9M connection with the supplied cable.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which Modbus operating modes are supported?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e The module supports Modbus RTU with CRC-16 error checking and Modbus ASCII with LRC error checking.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the MVI56-MCMR support floating point data?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e Yes. Floating point data movement supports configurable Enron, Daniel, and other implementation formats.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInstall the module in the specified ControlLogix chassis position and verify the backplane power budget before energizing the rack. Confirm that the available 5 VDC backplane capacity accommodates the specified 800 mA current load.\u003c\/p\u003e\n\u003cp\u003eRoute RS-232 communication wiring separately from high-voltage power conductors and high-current switching circuits. Maintain appropriate physical separation where parallel routing could introduce electromagnetic interference.\u003c\/p\u003e\n\u003cp\u003eUse shielded communication cable where required by the installation environment. Terminate cable shields according to the site grounding design, avoiding unintended ground loops between separately referenced equipment.\u003c\/p\u003e\n\u003cp\u003eVerify serial parameters at both communication endpoints before commissioning. Baud rate, data size, parity, stop bits, and RTS timing must match the connected Modbus equipment.\u003c\/p\u003e\n\u003cp\u003eProtect the module and communication cabling from condensation, excessive vibration, and temperatures outside the specified operating range. Confirm connector seating and cable strain relief before applying system power.\u003c\/p\u003e\n\u003cp\u003eDuring troubleshooting, verify the ControlLogix backplane connection, RS-232 wiring, serial configuration, Modbus mode, and error-checking method before modifying application data mappings.\u003c\/p\u003e","brand":"AMPHENOL","offers":[{"title":"Default Title","offer_id":43931801321562,"sku":"MVI56-MCMR","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/MVI56-MCMR2.jpg?v=1787908739","url":"https:\/\/www.plcmasters.com\/products\/prosoft-mvi56-mcmr-modbus-communication-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}