{"product_id":"3351-analog-input-card-module-triconex","title":"Triconex 3351 Analog Input Module","description":"\u003cp\u003eThe Triconex 3351 is a high-performance analog input module designed for integration into safety-critical Triple Modular Redundant (TMR) systems. This module provides reliable signal acquisition for process monitoring applications, ensuring high availability and fault tolerance in demanding industrial environments such as petrochemical plants and power generation facilities. By utilizing independent, isolated signal paths, the 3351 ensures that critical process variables are accurately converted to digital data while maintaining system-wide integrity.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSupports Triple Modular Redundant (TMR) architecture for maximum fault tolerance.\u003c\/li\u003e\n\u003cli\u003eFeatures 32 differential input channels for high-density signal monitoring.\u003c\/li\u003e\n\u003cli\u003eAdvanced onboard filtering to mitigate EMI and high-frequency noise interference.\u003c\/li\u003e\n\u003cli\u003eOptical isolation to protect backplane logic from field-side transients and ground loops.\u003c\/li\u003e\n\u003cli\u003eContinuous internal self-diagnostics to detect and report channel-level faults.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThe 3351 module is engineered for use in Safety Instrumented Systems (SIS) where continuous, reliable operation is required. It is commonly deployed in oil and gas refineries, chemical processing units, and thermal power plants to monitor pressure, temperature, flow, and other critical process transmitters.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable border=\"1\"\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e3351\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 differential\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSignal Range\u003c\/td\u003e\n\u003ctd\u003e4 to 20 mA or 0 to 5 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5.5 W (max)\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 system power is disconnected before installing or removing the module from the chassis.\u003c\/li\u003e\n\u003cli\u003eUse shielded twisted-pair cabling for all field signal connections to minimize noise pickup.\u003c\/li\u003e\n\u003cli\u003eVerify proper grounding of the chassis to maintain the effectiveness of the optical isolation barriers.\u003c\/li\u003e\n\u003cli\u003eMaintain adequate clearance around the module to ensure proper airflow and cooling within the rack.\u003c\/li\u003e\n\u003cli\u003eHandle the module using standard ESD (Electrostatic Discharge) protection practices to prevent damage to internal circuitry.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat type of signals does the 3351 support?\u003c\/h3\u003e\u003cp\u003eThe 3351 is designed to interface with 4-20 mA current loops or 0-5 VDC voltage signals, providing flexibility for various field transmitter types.\u003c\/p\u003e\u003ch3\u003eIs this module compatible with TMR systems?\u003c\/h3\u003e\u003cp\u003eYes, the 3351 is specifically engineered for use in TMR configurations, utilizing independent signal processing channels to support the voting logic required by Triconex safety systems.\u003c\/p\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":48841628385470,"sku":"3351","price":130.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/wm_1_c8ba555e-a1e0-4987-a50c-efca26aa6105.jpg?v=1788572420","url":"https:\/\/www.autooiltech.com\/es\/products\/3351-analog-input-card-module-triconex","provider":"AutoOilTech Limited","version":"1.0","type":"link"}