{"product_id":"3351s2-triconex-tricon-analog-input-module","title":"Triconex 3351S2 Analog Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Triconex 3351S2 is a specialized Analog Input Module engineered for integration into Tricon Triple Modular Redundancy (TMR) safety systems. This high-performance module is designed to interface with field sensors in demanding industrial environments, including power generation, petrochemical processing, and oil and gas refining. By providing 32 isolated input channels, the 3351S2 ensures high-fidelity signal acquisition and conversion, maintaining continuous oversight of critical process variables while adhering to stringent safety standards.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTMR Architecture:\u003c\/strong\u003e Employs triple modular redundancy to ensure fault-tolerant operation and eliminate single points of failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Channel Density:\u003c\/strong\u003e Features 32 isolated input channels for comprehensive field sensor monitoring.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Signal Processing:\u003c\/strong\u003e Supports standard 4-20 mA DC input signals with 12-bit resolution.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot-Swappable Design:\u003c\/strong\u003e Facilitates module replacement during live operation, supporting continuous system availability and simplified maintenance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIntegrated Diagnostics:\u003c\/strong\u003e Hardware-based voting logic provides real-time fault detection and signal validation.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e3351S2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTriconex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e32 (Isolated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Range\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAccuracy\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 0.15% of FSR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eUpdate Rate\u003c\/td\u003e\n\u003ctd\u003e50 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e10 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the Tricon system is powered down or follow site-specific hot-swap safety protocols before inserting or removing the module from the chassis.\u003c\/li\u003e\n\u003cli\u003eHandle the module using proper ESD (Electrostatic Discharge) protection measures to prevent damage to internal circuitry.\u003c\/li\u003e\n\u003cli\u003eVerify that field wiring is properly routed and shielded to minimize electromagnetic interference (EMI) and noise ingress.\u003c\/li\u003e\n\u003cli\u003eEnsure all galvanic isolation barriers are intact and that field-side wiring is correctly landed on the corresponding termination panel.\u003c\/li\u003e\n\u003cli\u003eConfirm the module is fully seated in the rack slot to ensure reliable backplane communication.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003cp\u003e\u003cstrong\u003eWhat is the primary function of the 3351S2 module?\u003c\/strong\u003e\u003cbr\u003eThe 3351S2 is an analog input module used in Tricon TMR safety systems to monitor 4-20 mA signals from field sensors with high reliability and fault tolerance.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eDoes this module support hot-swapping?\u003c\/strong\u003e\u003cbr\u003eYes, the 3351S2 is designed for hot-swapping, allowing maintenance personnel to replace the module without shutting down the entire Safety Instrumented System.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eWhat type of redundancy does this module offer?\u003c\/strong\u003e\u003cbr\u003eIt is designed for TMR (Triple Modular Redundancy) systems, which use three independent input paths and hardware voting to ensure the integrity of the safety loop even if a component fails.\u003c\/p\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":44012211470426,"sku":"3351S2","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_923867d5-4804-4b28-b5a3-963996e3bae3.jpg?v=1788568042","url":"https:\/\/www.spareoil.com\/products\/3351s2-triconex-tricon-analog-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}