{"product_id":"3700a-invensys-triconex-analog-input-module-tmr-safety-system","title":"3700A Invensys Triconex Analog Input Module (TMR Safety System)","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"citation-547 citation-end-547\"\u003eThe 3700A is a high-precision Analog Input Module developed by Triconex for the flagship Tricon Triple Modular Redundant (TMR) safety platform.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-546 citation-end-546\"\u003eThis module is engineered to handle critical process variables where signal accuracy and system uptime are paramount.\u003csup class=\"superscript\"\u003e\u003c\/sup\u003e\u003c\/span\u003e\u003cspan\u003e \u003c\/span\u003eBy utilizing three isolated, parallel control paths, the 3700A performs real-time voting on all incoming signals, effectively neutralizing potential hardware failures before they can impact plant safety.\u003cspan\u003e \u003c\/span\u003e\u003cspan class=\"citation-545 citation-end-545\"\u003eIt serves as a robust gateway for monitoring continuous process data, such as pressure, temperature, and flow, providing the deterministic performance required for SIL3-rated safety instrumented functions.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eDesign Architecture and Signal Specifications\u003c\/h3\u003e\n\u003cp\u003eThe 3700A is characterized by its high-density processing capabilities and rigorous electrical isolation standards:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-544\"\u003e\u003c\/span\u003e\u003cstrong\u003eMeasurement Versatility\u003c\/strong\u003e\u003cspan class=\"citation-544 citation-end-544\"\u003e: Supports industry-standard input ranges, including 0-10 VDC voltage signals and 4-20 mA current loops, catering to a vast array of field transmitters.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePrecision Metrology\u003c\/strong\u003e: Delivers an exceptional accuracy rating of ±0.05%, ensuring that mission-critical decisions are based on the most reliable data available.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eData Acquisition Speed\u003c\/strong\u003e: Features a sampling frequency of 100 samples per second, allowing for high-resolution monitoring of dynamic process changes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-543\"\u003e\u003c\/span\u003e\u003cstrong\u003eFault Tolerance\u003c\/strong\u003e\u003cspan class=\"citation-543 citation-end-543\"\u003e: Employs TMR architecture with hardware-based voting, providing continuous operation even if a single component or path fails.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Profile\u003c\/strong\u003e: A 1.9kg module with a narrow 1 cm width (faceplate), designed for high-density slot utilization within the Tricon chassis (40.6 x 39.8 cm frame).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan class=\"citation-542\"\u003e\u003c\/span\u003e\u003cstrong\u003eSafety Integrity\u003c\/strong\u003e\u003cspan class=\"citation-542 citation-end-542\"\u003e: Built to withstand the harsh electrical environments of industrial control rooms, featuring common-mode rejection and surge protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eLegacy Support\u003c\/strong\u003e: While discontinued as of late 2018, the 3700A remains a vital spare for the maintenance and life-extension of existing Tricon v9 and v10 installations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eStrategic Process Deployment\u003c\/h3\u003e\n\u003cp\u003eThe Triconex 3700A is a fundamental component for facilities that cannot afford unscheduled downtime or safety breaches:\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eSector\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eOperational Functionality\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\u003ePetrochemical Refineries\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePrecise monitoring of reactor pressures and furnace temperatures to prevent over-pressure excursions.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEmergency Shutdown (ESD)\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eProviding the analog feedback necessary to trigger high-integrity isolation valves.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOffshore Platforms\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eReliable signal acquisition for Fire and Gas (F\u0026amp;G) systems in salt-heavy, high-vibration environments.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Generation\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMonitoring steam turbine parameters and boiler water levels to ensure mechanical asset protection.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eChemical Processing\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-accuracy current loop monitoring for mass flow and level control in volatile reactant tanks.\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":45519038709933,"sku":"3700A","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/triconex-3700a-tricon-invensys-analog-input-module-rrmfkyiyxaa.jpg?v=1766985510","url":"https:\/\/www.maxwellplc.com\/products\/3700a-invensys-triconex-analog-input-module-tmr-safety-system","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}