{"product_id":"prosoft-plx31-eip-mbs4-modbus-serial-gateway-module","title":"ProSoft PLX31-EIP-MBS4 Modbus Serial Gateway Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePLX31-EIP-MBS4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efrom ProSoft Technology is an industrial communication gateway engineered to exchange data between EtherNet\/IP automation networks and multiple Modbus serial devices. The module belongs to the PLX31 series and provides four independently configurable serial channels for integrating legacy Modbus equipment into Rockwell Automation architectures.\u003c\/p\u003e\n\u003cp\u003eThis gateway is commonly deployed in applications where a single PLC must communicate with several isolated Modbus RTU or ASCII networks simultaneously. Its standalone DIN-rail design allows installation without occupying PLC rack space, making it suitable for both new automation systems and retrofit projects.\u003c\/p\u003e\n\u003cp\u003eThe module supports EtherNet\/IP Scanner and Adapter functionality together with Modbus Master or Slave operation, allowing flexible protocol conversion in distributed control environments.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth class=\"last:pe-10\"\u003eParameter\u003c\/th\u003e\n\u003cth class=\"last:pe-10\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eProSoft Technology\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003ePLX31-EIP-MBS4\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Category\u003c\/td\u003e\n\u003ctd\u003eEtherNet\/IP to Modbus Serial Gateway\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtherNet\/IP Interface\u003c\/td\u003e\n\u003ctd\u003e1 × RJ45, 10\/100 Mbps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEtherNet\/IP Modes\u003c\/td\u003e\n\u003ctd\u003eScanner and Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupported CIP Connections\u003c\/td\u003e\n\u003ctd\u003eUp to 10 simultaneous connections\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClass 3 Server Connections\u003c\/td\u003e\n\u003ctd\u003e5\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eClass 1 I\/O Connections\u003c\/td\u003e\n\u003ctd\u003e8\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Connection Size\u003c\/td\u003e\n\u003ctd\u003e248 bytes input \/ 248 bytes output\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum RPI\u003c\/td\u003e\n\u003ctd\u003e5 ms per connection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSerial Ports\u003c\/td\u003e\n\u003ctd\u003e4 independent RS-232\/RS-485 ports\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModbus Protocols\u003c\/td\u003e\n\u003ctd\u003eModbus RTU and Modbus ASCII\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModbus Modes\u003c\/td\u003e\n\u003ctd\u003eMaster or Slave selectable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBaud Rate Range\u003c\/td\u003e\n\u003ctd\u003e1,200 to 115,200 bps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRegister Mapping\u003c\/td\u003e\n\u003ctd\u003eUp to 4,000 registers per configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eData Mapping Capacity\u003c\/td\u003e\n\u003ctd\u003eUp to 10,000 words\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e10–36 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Input Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e300 mA typical @ 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Current Load\u003c\/td\u003e\n\u003ctd\u003e610 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Type\u003c\/td\u003e\n\u003ctd\u003eDIN Rail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEnclosure\u003c\/td\u003e\n\u003ctd\u003eIndustrial metal housing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-25°C to +70°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +80°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity\u003c\/td\u003e\n\u003ctd\u003e5–95% non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eCE, UL\/cUL, RoHS, Class I Div 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.99 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eCommunication Architecture\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePLX31-EIP-MBS4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eenables simultaneous communication between EtherNet\/IP controllers and multiple serial Modbus segments. Each serial channel can be configured independently for different baud rates, node addressing, and protocol modes.\u003c\/p\u003e\n\u003cp\u003eThe gateway supports communication with:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eVariable frequency drives\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower monitoring equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlow analyzers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRemote terminal units\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLegacy PLC systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProcess instrumentation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDistributed I\/O devices\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eConfiguration and Diagnostics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eSetup and maintenance are performed through ProSoft Configuration Builder software using Ethernet connectivity. The integrated web diagnostic interface provides live monitoring and troubleshooting tools for commissioning and maintenance personnel.\u003c\/p\u003e\n\u003cp\u003eDiagnostic functions include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEthernet communication statistics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eModbus exception reporting\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSerial port activity monitoring\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCIP connection diagnostics\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePacket error counters\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConnection health status\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eFour isolated Modbus serial communication channels\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEtherNet\/IP to Modbus RTU\/ASCII conversion\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndependent serial-port configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-speed cyclic data transfer\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompatible with ControlLogix and CompactLogix systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAdd-On Profile support for simplified PLC integration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDIN-rail industrial installation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEmbedded diagnostic web server\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned for continuous industrial operation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eApplication Examples\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ePLX31-EIP-MBS4\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis widely used in facilities requiring communication between Ethernet-based PLC platforms and multiple serial field networks.\u003c\/p\u003e\n\u003cp\u003eCommon applications include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eWater and wastewater treatment systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOil and gas process automation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eManufacturing production equipment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePower generation facilities\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSCADA integration projects\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIndustrial modernization programs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eMulti-network Modbus aggregation\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch3\u003e\u003cstrong\u003eHow many Modbus devices can the PLX31-EIP-MBS4 support?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe number depends on network configuration, polling rate, and baud speed. The four serial ports allow multiple Modbus segments to operate simultaneously.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eCan each serial port use different communication settings?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eYes. Each serial interface can be independently configured for RS-232 or RS-485 operation, baud rate, and Modbus mode.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWhich PLC platforms are compatible with this gateway?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe module is commonly integrated with Rockwell Automation ControlLogix, CompactLogix, and Micro800 systems through EtherNet\/IP communication.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eDoes the module require rack installation?\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNo. The gateway is a standalone DIN-rail device and operates independently from the PLC chassis.\u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":43404324765786,"sku":"PLX31-EIP-MBS4","price":123.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0612\/4601\/3530\/files\/PLX31-EIP-MBS4.jpg?v=1779422465","url":"https:\/\/www.plcmasters.com\/products\/prosoft-plx31-eip-mbs4-modbus-serial-gateway-module","provider":"PLC Masters Ltd.","version":"1.0","type":"link"}