{"product_id":"triconex-3721n-analog-input-module","title":"Triconex 3721N Analog Input Module","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eThe \u003cstrong\u003eTriconex 3721N Analog Input Module\u003c\/strong\u003e is a high-integrity, high-performance analog input module designed for use in Triconex safety-instrumented systems (SIS).\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eIt acquires multiple analog signals with high accuracy and reliability, supporting critical applications such as oil \u0026amp; gas, petrochemical, power generation, and other process industries.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eUtilizes \u003cstrong\u003eTriple Modular Redundancy (TMR)\u003c\/strong\u003e architecture to ensure fault tolerance and continuous system operation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFeatures built-in diagnostics and \u003cstrong\u003ehot-swap capability\u003c\/strong\u003e, allowing replacement without system shutdown.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCertified to SIL 3 and IEC 61508 standards, suitable for safety-critical environments.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ctable class=\"w-fit min-w-(--thread-content-width)\" style=\"width: 100%; height: 254.719px;\"\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\" style=\"height: 19.5938px;\"\u003e\n\u003cth style=\"width: 42.1429%; height: 19.5938px;\"\u003eParameter\u003c\/th\u003e\n\u003cth style=\"width: 55%; height: 19.5938px;\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 42.1429%; height: 19.5938px;\"\u003eInput Channels\u003c\/td\u003e\n\u003ctd style=\"width: 55%; height: 19.5938px;\"\u003e32 differential, DC-coupled\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 42.1429%; height: 19.5938px;\"\u003eInput Voltage Range\u003c\/td\u003e\n\u003ctd style=\"width: 55%; height: 19.5938px;\"\u003e0 to 5 VDC or ±5 VDC (±6 %)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 42.1429%; height: 19.5938px;\"\u003eResolution\u003c\/td\u003e\n\u003ctd style=\"width: 55%; height: 19.5938px;\"\u003eProgrammable: 12-bit or 14-bit\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 42.1429%; height: 19.5938px;\"\u003eInput Update Rate\u003c\/td\u003e\n\u003ctd style=\"width: 55%; height: 19.5938px;\"\u003e10 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 42.1429%; height: 19.5938px;\"\u003eAccuracy\u003c\/td\u003e\n\u003ctd style=\"width: 55%; height: 19.5938px;\"\u003e\u0026lt; 0.15 % of Full-Scale Range (0 °C to 60 °C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 42.1429%; height: 19.5938px;\"\u003eCommon-Mode Rejection (CMRR)\u003c\/td\u003e\n\u003ctd style=\"width: 55%; height: 19.5938px;\"\u003e–85 dB (DC to 100 Hz)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 42.1429%; height: 19.5938px;\"\u003eInput Over-Range Protection\u003c\/td\u003e\n\u003ctd style=\"width: 55%; height: 19.5938px;\"\u003e150 VDC \/ 115 VAC continuous\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 42.1429%; height: 19.5938px;\"\u003eIsolation\u003c\/td\u003e\n\u003ctd style=\"width: 55%; height: 19.5938px;\"\u003eHigh isolation between channels and system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 42.1429%; height: 19.5938px;\"\u003eOperating Temperature Range\u003c\/td\u003e\n\u003ctd style=\"width: 55%; height: 19.5938px;\"\u003e–20 °C to +60 °C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 42.1429%; height: 19.5938px;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"width: 55%; height: 19.5938px;\"\u003e1.4 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 42.1429%; height: 19.5938px;\"\u003eDimensions\u003c\/td\u003e\n\u003ctd style=\"width: 55%; height: 19.5938px;\"\u003e185 × 135 × 45 mm (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5938px;\"\u003e\n\u003ctd style=\"width: 42.1429%; height: 19.5938px;\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"width: 55%; height: 19.5938px;\"\u003eSIL 3, IEC 61508 compliant\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Features \u0026amp; Advantages\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFault-Tolerant Design:\u003c\/strong\u003e Triple Modular Redundancy maintains data integrity even with hardware faults.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHot-Swappable:\u003c\/strong\u003e Modules can be replaced without interrupting operations.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh Precision:\u003c\/strong\u003e Tight accuracy, high resolution, and strong common-mode rejection for dependable measurements.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRobust Safety Compliance:\u003c\/strong\u003e Meets stringent safety and reliability standards for critical industrial processes.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TRICONEX","offers":[{"title":"Default Title","offer_id":51054242038071,"sku":"3721N","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0798\/8343\/6343\/files\/2652-350_aa1fffe6-6327-4c7f-84cb-e5f3349fb37f.jpg?v=1757383548","url":"https:\/\/www.controltech-supply.com\/pl\/products\/triconex-3721n-analog-input-module","provider":"ControlTech Supply Limited","version":"1.0","type":"link"}