{"product_id":"triconex-3721n-analog-input-module","title":"Triconex 3721N Analog Input Module","description":"\u003cp\u003e\u003cstrong\u003eDescription\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTriconex 3721N\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-performance Analog Input (AI) module designed for the Triple Modular Redundant (TMR) safety system. It is specifically engineered to monitor critical analog signals from field sensors, such as pressure, temperature, and flow transmitters. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel Number:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3721N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Channels:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e32 points, non-isolated\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal Range:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e0 to 5 VDC\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e12-bit\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Impedance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u0026gt;10 Megohms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u0026lt; 0.15% of FSR (from 0 to 5 VDC)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eArchitecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTMR (Triple Modular Redundant)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUpdate Rate:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e10 ms (all 32 channels)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety Integrity Level:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSIL 3 certified (IEC 61508)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Dissipation:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e\u0026lt; 10 Watts\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eTMR Architecture:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFeatures three isolated sensing circuits per channel; the module performs hardware voting to eliminate single points of failure and ensure signal integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eContinuous Self-Diagnostics:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eExecutes comprehensive background tests, including \"stuck-at\" diagnostics and analog-to-digital converter (ADC) verification, without interrupting the process.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh-Density Monitoring:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eSupports 32 analog signals in a single module, optimizing chassis space and reducing the overall cost per point for large-scale safety systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot-Swappable:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAllows for online replacement of the module while the system is energized, maintaining 24\/7 protection and preventing costly process interruptions.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRobust Noise Rejection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIncludes advanced filtering and galvanic isolation to protect against electrical interference and common-mode noise in harsh industrial environments.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTriStation Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eFully compatible with TriStation software for simplified calibration, scaling, and diagnostic monitoring of all 32 analog loops.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":46616797479102,"sku":"3721N","price":3000.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/triconex-3706a-thermocouple-analog-input-module-fgak4cqvp02.png?v=1770863308","url":"https:\/\/www.autooiltech.com\/products\/triconex-3721n-analog-input-module","provider":"AutoOilTech Limited","version":"1.0","type":"link"}