{"product_id":"3301s2-triconex-32-channel-digital-input-24vdc","title":"3301S2 Triconex 32-Channel Digital Input 24VDC","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTriconex DI3301S2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-density discrete interface for Triple Modular Redundant (TMR) safety systems. This module captures digital signals from field devices—such as emergency stop buttons, limit switches, and pressure contacts—delivering secure data to the Triconex controller for safety logic processing. We supply this module as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new and original\u003c\/strong\u003e, ensuring the highest level of Hardware Fault Tolerance (HFT) required for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eSIL 3\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecompliance. By utilizing triplicated input circuitry, the DI3301S2 eliminates single points of failure, maintaining continuous plant operation in high-stakes industrial environments.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cp\u003eThe DI3301S2 provides 32 independent channels within a ruggedized, high-density frame:\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 Details\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\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDI3301S2\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\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 (Schneider Electric)\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\u003e32 Digital Input Points\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSignal Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDiscrete (Typically 24 V DC Contact Signals)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eArchitecture\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTriple Modular Redundancy (TMR)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSafety Integrity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSIL 3 Compliant\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\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\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard Triconex Module Form Factor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eIsolation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eFull Channel-to-System Electrical Isolation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDiagnostics\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOpen-Circuit Monitoring \u0026amp; Self-Test\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100% Brand New Original\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Signal Voting:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe DI3301S2 employs three independent sub-circuits that vote on every discrete input. This TMR architecture allows the module to identify and report a single-path hardware fault while the remaining two paths maintain the safety function, preventing costly nuisance trips.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Line Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAdvanced diagnostics detect open circuits and field-side wiring faults instantly. Real-time LED indicators on the front panel provide technicians with immediate visual confirmation of channel status, drastically reducing Mean Time to Repair (MTTR).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSurge and Noise Immunity:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eEvery channel includes robust electrical isolation to protect the safety backplane from field-side surges and electromagnetic interference (EMI). This ensures reliable signal acquisition even in electrically noisy turbine halls or refinery substations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOptimized Rack Density:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eConsolidating 32 channels into a single module saves critical rack space. This high-density design simplifies system wiring and reduces the overall footprint of the Safety Instrumented System (SIS) cabinet.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the typical application for the DI3301S2?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEngineers primarily use the DI3301S2 to monitor critical shutdown interlocks, fire and gas detection switches, and actuator feedback within Emergency Shutdown (ESD) systems and Burner Management Systems (BMS).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the DI3301S2 monitor for field-side open circuits?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The module features integrated diagnostics that continuously monitor the field wiring. It detects open circuits and internal hardware faults, alerting the maintenance team through the TriStation 1131 software and local LED indicators.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHow do I ensure the SIL 3 rating remains intact during replacement?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eBy installing our\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% brand new\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003emodules, you maintain the original factory safety certifications. The DI3301S2 supports hot-swapping; replacing a faulty module while the system is live does not interrupt the safety logic or compromise the TMR integrity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":43114133094490,"sku":"DI3301S2","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/115._d8d35b07-9c16-43f2-bc7b-5c8a4bfa71c4.jpg?v=1774405717","url":"https:\/\/www.spareoil.com\/products\/3301s2-triconex-32-channel-digital-input-24vdc","provider":"SpareOil Automation","version":"1.0","type":"link"}