{"product_id":"ro3451-triconex-16-channel-24v-digital-input-relay-output-module","title":"RO3451 | Triconex | 16-Channel 24V Digital Input Relay Output Module","description":"\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTriconex RO3451\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eoperates as a versatile hybrid I\/O solution, combining 16 high-density digital input channels with integrated relay output functionality. This\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new, original\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodule facilitates seamless data acquisition and direct device control within critical automation architectures. By supporting both binary signal monitoring and physical circuit switching, the RO3451 eliminates the need for separate input and output cards in many localized control loops, optimizing both cabinet space and system complexity.\u003c\/p\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cp\u003eThe RO3451 provides robust electrical parameters designed for continuous industrial duty cycles:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTriconex\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRO3451\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 (Digital\/Binary)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRelay Outputs\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 Integrated Relays\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMax. 20mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRelay Load Capacity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2A @ 24V DC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eRS485 (Half-Duplex)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtocol Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eModbus RTU\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40°C to +70°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eCE, UL, CSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch2\u003eEngineering Advantages\u003c\/h2\u003e\n\u003cp\u003eThe RO3451 solves specific field engineering challenges through its multi-functional design:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHybrid I\/O Efficiency:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module manages 16 inputs and includes relay outputs in a single footprint. This consolidation allows engineers to control external hardware, such as motor starters or signal beacons, directly from the input module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtreme Environmental Resilience:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe hardened internal components withstand temperatures from -40°C to +70°C. This wide range ensures stable performance in unconditioned remote terminal units (RTUs) or high-heat processing zones.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSeamless System Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe built-in RS485 port and Modbus RTU compatibility simplify the connection to third-party PLCs, HMIs, and SCADA systems. This eliminates the requirement for expensive proprietary gateways.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLow Power Consumption:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe optimized circuit design reduces the thermal load on the 24V DC power supply, extending the life of the module and surrounding components in densely packed control cabinets.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQs\u003c\/h2\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs this RO3451 module supplied in original factory packaging?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. We provide the RO3451 as a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eunit in its original, factory-sealed box. It includes all necessary serial numbers and manufacturer quality assurance labels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat type of signals can the 16 input channels handle?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module processes 24V DC digital signals. It monitors dry contacts, proximity switches, and other binary sensors, converting field status into Modbus-readable data.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I configure the Modbus RTU settings?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou set the baud rate, parity, and station ID via the RS485 interface using standard configuration software. Ensure the communication parameters match your master controller to prevent time-out errors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the relay outputs handle AC loads?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe technical specification rates the relays for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e2A @ 24V DC\u003c\/strong\u003e. Using these relays for high-voltage AC loads without interposing relays may cause premature contact failure or damage the module's internal circuitry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":52493407289653,"sku":"RO3451","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/RO34511.jpg?v=1774600890","url":"https:\/\/www.5gplc.com\/products\/ro3451-triconex-16-channel-24v-digital-input-relay-output-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}