{"product_id":"invensys-triconex-3721n-analog-input-modules","title":"Invensys Triconex 3721N Analog Input Modules","description":"\u003ch3\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eTriconex 3721N\u003c\/strong\u003e is a next-generation analog input module designed for high-integrity safety systems. It supports 32 differential DC-coupled inputs with configurable voltage ranges and is qualified for use in Tricon V10 platforms. Built on the NG common core architecture, the 3721N is optimized for precision signal acquisition, fault tolerance, and robust environmental performance.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eModel:\u003c\/strong\u003e 3721N\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Signal Range:\u003c\/strong\u003e 0 to 5 VDC or -5 to +5 VDC ±6%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eNumber of Channels:\u003c\/strong\u003e 32 differential inputs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Coupling:\u003c\/strong\u003e DC-coupled\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eResolution:\u003c\/strong\u003e 12-bit or 14-bit programmable\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAccuracy:\u003c\/strong\u003e \u0026lt;0.15% of FSR from 0°C to 60°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Update Rate:\u003c\/strong\u003e 10 ms\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon Mode Rejection:\u003c\/strong\u003e -85 dB (DC–100 Hz)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Overrange Protection:\u003c\/strong\u003e 150 VDC \/ 115 VAC continuous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Rating:\u003c\/strong\u003e 1500 VAC galvanic isolation\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOperating Temperature:\u003c\/strong\u003e -40°C to +70°C\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHumidity Tolerance:\u003c\/strong\u003e 5% to 95% non-condensing\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDimensions:\u003c\/strong\u003e 12.4 cm × 19.8 cm × 8.6 cm\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight:\u003c\/strong\u003e 1.36 kg\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting:\u003c\/strong\u003e Standard Tricon chassis slot\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCertifications:\u003c\/strong\u003e SIL3 (IEC 61508 \/ IEC 61511)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHot Swap Capability:\u003c\/strong\u003e Supported\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e32-channel high-density differential analog input\u003c\/li\u003e\n\u003cli\u003eProgrammable resolution and input filtering\u003c\/li\u003e\n\u003cli\u003eGalvanic isolation between channels and backplane\u003c\/li\u003e\n\u003cli\u003e+6% input overrange capability\u003c\/li\u003e\n\u003cli\u003eAdvanced diagnostics for input integrity and fault detection\u003c\/li\u003e\n\u003cli\u003eSurface-mount technology (SMT) for improved reliability\u003c\/li\u003e\n\u003cli\u003eQualified for SR use in nuclear and process safety applications\u003c\/li\u003e\n\u003cli\u003eCompatible with TriStation 1131 configuration software\u003c\/li\u003e\n\u003cli\u003eSupports hot-swapping without system interruption\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Invensys System","offers":[{"title":"Default Title","offer_id":42481057431619,"sku":"3721N","price":600.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/Triconex4351A.png?v=1742282619","url":"https:\/\/www.plcdcspro.com\/products\/invensys-triconex-3721n-analog-input-modules","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}