{"product_id":"do-3401-s2-triconex-tmr-digital-output-module-16-channel","title":"DO 3401 S2 Triconex TMR Digital Output Module 16-Channel","description":"\u003ch3 class=\"\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe Triconex DO 3401S2 is a high-availability Digital Output (DO) module engineered for use within the Triple Modular Redundant (TMR) safety architecture.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThis module provides 16 isolated output channels designed to interface with critical final control elements in a Safety Instrumented System (SIS).\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBy employing a \"two-out-of-three\" (2oo3) hardware voting strategy across three independent processing branches,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe DO 3401S2 eliminates single points of failure,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eensuring that safety-critical commands are executed with absolute certainty.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eThe 3401S2 variant is specifically optimized for high-integrity environments where electrical isolation between channels is required to prevent cross-talk and fault migration,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003emaintaining SIL 3 compliance for mission-critical logic.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eHardware Performance and Technical Capabilities\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe DO 3401S2 module utilizes sophisticated internal diagnostics and a triplicated processing path to manage field-side actuation with extreme precision.\u003c\/span\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eChannel Density:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e16 isolated digital output points per module.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eRedundancy Logic:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eTriple Modular Redundancy (TMR) with hardware-based voting.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eSafety Rating:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eCertified for use in SIL 3 safety loops.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eFault Detection:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eContinuous output circuit monitoring and internal microprocessor health checks.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eHot-Swappable:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSupports online module replacement without process interruption.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eGalvanic Isolation:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eComprehensive channel-to-channel and channel-to-ground separation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eHardware Metric\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\u003eModel Number\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDO 3401S2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eComponent Weight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.3 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePhysical Dimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4.3 x 18.8 x 21.8 cm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCountry of Origin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eSystem Architecture\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTricon TMR\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eTariff Code (HS)\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e8537101190\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3 class=\"\"\u003eIndustrial Sector Applications\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThis digital output module is a fundamental building block for automated safety systems in heavy industry where fail-safe operation is the primary requirement.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eEmergency Shutdown (ESD) Systems\u003c\/strong\u003e\u003cspan class=\"\"\u003eIn volatile processing environments like hydrocarbon cracking or gas compression,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe DO 3401S2 drives the solenoids responsible for isolating fuel lines and venting high-pressure vessels during an emergency event.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eFire and Gas (F\u0026amp;G) Mitigation\u003c\/strong\u003e\u003cspan class=\"\"\u003eThe module is utilized to activate suppression systems,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003efire doors,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand audible alarms.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts TMR architecture ensures these systems only activate upon verified demand,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003epreventing costly false alarms and unnecessary facility downtime.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eCritical Utility Control\u003c\/strong\u003e\u003cspan class=\"\"\u003eIn power generation,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe DO 3401S2 manages the trip signals for large circuit breakers and steam supply valves.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts isolation capabilities protect the control rack from the high-energy transients often encountered in electrical switchyard environments.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eSolenoid and Motor Starter Actuation\u003c\/strong\u003e\u003cspan class=\"\"\u003eThe 3401S2 provides the reliable 24VDC (or relevant voltage) signals required to trigger heavy-duty relays and motor contactors,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eensuring that large pumps and fans respond instantly to safety logic commands.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":45519051030701,"sku":"DO3401","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/triconex-do-3401s2-digital-output-module-bapm3z0y52l.jpg?v=1766985773","url":"https:\/\/www.maxwellplc.com\/products\/do-3401-s2-triconex-tmr-digital-output-module-16-channel","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}