{"product_id":"triconex-di3301-s2-digital-input-module-tmr-fault-tolerant","title":"TRICONEX DI3301 S2 Digital Input Module | TMR Fault-Tolerant","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTRICONEX DI3301 S2\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-reliability digital input module from Schneider Electric’s Triconex safety instrumented system (SIS) portfolio. Specifically designed for safety-critical industrial applications, it provides fault-tolerant digital signal acquisition in Triple Modular Redundant (TMR) architectures. Moreover, its compact design and robust construction allow seamless integration in tight spaces while resisting harsh environmental conditions such as vibration, temperature extremes, and humidity.\u003c\/p\u003e\n\u003cp\u003eThe S2 variant is a special configuration version of the standard DI3301, optimized for flexible installation, connector types, wiring arrangements, and enhanced diagnostics. This module ensures continuous operation even during single module failures, making it ideal for emergency shutdown (ESD), fire \u0026amp; gas systems, turbine and compressor protection, and other high-integrity automation tasks.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDigital Input Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Number\u003c\/td\u003e\n\u003ctd\u003eTRICONEX DI3301 S2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eManufacturer\u003c\/td\u003e\n\u003ctd\u003eSchneider Electric (Triconex)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd\u003e32 isolated digital inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd\u003e10–30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Signal Types\u003c\/td\u003e\n\u003ctd\u003eSinking\/Sourcing digital signals\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e1500 VAC channel-to-channel and channel-to-system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResponse Time\u003c\/td\u003e\n\u003ctd\u003e\u0026lt;1 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Integrity\u003c\/td\u003e\n\u003ctd\u003eIEC 61508 SIL 3, TÜV certified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eArchitecture\u003c\/td\u003e\n\u003ctd\u003eTriple Modular Redundant (TMR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiagnostics\u003c\/td\u003e\n\u003ctd\u003eBuilt-in self-test, fault detection, LED indicators (enhanced for S2 variant)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd\u003e–40 °C to +70 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature Range\u003c\/td\u003e\n\u003ctd\u003e–40 °C to +85 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5%–95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eRack-mount in Triconex chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e114 × 127 × 108 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance\u003c\/td\u003e\n\u003ctd\u003eAPI 670, IEC standards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u003cstrong\u003eFAQ:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: What is the input voltage range for DI3301 S2?\u003c\/strong\u003e\u003cbr\u003eA1: The module supports 10–30 VDC, compatible with sinking or sourcing digital signals.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: How does the module maintain safety integrity?\u003c\/strong\u003e\u003cbr\u003eA2: SIL 3 certification and TMR architecture eliminate single points of failure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: Can this module operate in harsh industrial environments?\u003c\/strong\u003e\u003cbr\u003eA3: Yes, it functions between –40 °C and +70 °C with 5%–95% non-condensing humidity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: What is the module’s response time?\u003c\/strong\u003e\u003cbr\u003eA4: Less than 1 millisecond, suitable for safety-critical protection systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Does the S2 variant offer special features?\u003c\/strong\u003e\u003cbr\u003eA5: Yes, it provides tailored connector options, wiring arrangements, and enhanced diagnostics.\u003c\/p\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":43898244956259,"sku":"DI3301 S2","price":260.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/42_1c5e9384-d7f8-4891-bcaf-e486bc92e8cf.jpg?v=1766125386","url":"https:\/\/www.autocontrolglobal.com\/products\/triconex-di3301-s2-digital-input-module-tmr-fault-tolerant","provider":"AutoControl Global","version":"1.0","type":"link"}