{"product_id":"3351s2-triconex-tricon-analog-input-module","title":"Triconex 3351S2 Analog Input Module","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\u003cp\u003eThe Triconex 3351S2 is a specialized Analog Input Module engineered for high-availability safety systems. As a core component of the Tricon Triple Modular Redundancy (TMR) platform, this module is designed to provide reliable data acquisition for critical safety loops in industrial sectors such as power generation, petrochemical processing, and oil and gas refining. It continuously monitors field analog signals and performs real-time conversion into digital data, supported by internal diagnostic routines that ensure accurate signal processing.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eTMR Architecture:\u003c\/strong\u003e Employs independent triple-channel processing to facilitate hardware-based voting, effectively masking faults and preventing single-point failures within the safety system.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Input:\u003c\/strong\u003e Features 32 isolated input channels to accommodate complex process monitoring requirements.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGalvanic Isolation:\u003c\/strong\u003e Each channel is isolated to protect sensitive internal circuitry from electromagnetic interference and field-side electrical transients.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot-Swappable Design:\u003c\/strong\u003e Engineered to allow for module replacement while the system remains powered and operational, minimizing maintenance-related downtime.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrecision Monitoring:\u003c\/strong\u003e Delivers high-resolution data with an accuracy rating of less than 0.15% of the Full Scale Range (FSR).\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is intended for use in safety-critical environments where continuous, fault-tolerant monitoring is essential. It is typically deployed in Emergency Shutdown Systems (ESD), Fire and Gas (F\u0026amp;G) systems, and Burner Management Systems (BMS) where process integrity must be maintained despite potential hardware faults.\u003c\/p\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\u003eInput Signal\u003c\/td\u003e\n\u003ctd\u003e4-20 mA DC\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\u003eResolution\u003c\/td\u003e\n\u003ctd\u003e12 bits\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\u003e\n\u003cstrong\u003eHandling:\u003c\/strong\u003e This module contains sensitive electronic components. Use proper ESD (electrostatic discharge) protection measures during handling and installation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Ensure the module is fully seated within the designated Tricon chassis slot to engage the backplane connectors securely.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring:\u003c\/strong\u003e Use shielded instrumentation cable for all 4-20 mA signal inputs to maintain signal integrity and minimize noise pickup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnvironment:\u003c\/strong\u003e Maintain ambient operating temperatures between 0 deg C and 60 deg C. Ensure adequate ventilation within the cabinet to prevent heat buildup.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower:\u003c\/strong\u003e Always verify that the system power is managed according to site safety protocols before performing any maintenance or module insertion\/removal.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eDoes the 3351S2 support online replacement?\u003c\/h3\u003e\u003cp\u003eYes, the 3351S2 is designed for hot-swapping. It can be removed and replaced while the Tricon system is running, allowing for maintenance without interrupting the safety-critical process.\u003c\/p\u003e\u003ch3\u003eWhat is the primary function of the TMR architecture in this module?\u003c\/h3\u003e\u003cp\u003eThe TMR architecture uses three independent signal paths and a hardware voter to compare inputs. If one path deviates due to a fault, the system ignores the erroneous signal and continues to operate using the remaining healthy channels, ensuring the safety loop remains active.\u003c\/p\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":48826221887678,"sku":"3351S2","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/wm_1_3d4401c5-136c-4bd1-8c98-7ac38d4a8f75.jpg?v=1788286024","url":"https:\/\/www.autooiltech.com\/products\/3351s2-triconex-tricon-analog-input-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}