{"product_id":"t9401-ics-triplex-trusted-digital-input-module","title":"T9401 ICS Triplex Trusted Digital Input Module","description":"\u003ch3 class=\"\"\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe T9401 is a high-integrity digital input module engineered by ICS Triplex for the Trusted® Triple Modular Redundancy (TMR) platform.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eDesigned for mission-critical safety and control functions,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethis module provides 16 isolated channels for monitoring field-side discrete signals.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eBy employing a 2-out-of-3 (2oo3) hardware voting architecture,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003ethe T9401 eliminates single points of failure,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003emaking it a cornerstone for Safety Instrumented Systems (SIS) in high-risk industries such as oil and gas,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003echemical processing,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand power generation.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan class=\"\"\u003eThe module is certified for use in SIL 3 applications,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eproviding the deterministic performance required for emergency shutdown (ESD),\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003efire and gas (F\u0026amp;G) detection,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eand burner management systems.\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIts hardware-implemented fault tolerance ensures that the system remains online and protected even if an internal component anomaly occurs,\u003c\/span\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eeffectively preventing both dangerous failures and costly spurious trips.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch3 class=\"\"\u003eTechnical Characteristics\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eInput Specifications:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e16 isolated digital input channels designed for 24V DC logic.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eSafety Rating:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eFully certified for IEC 61508 SIL 3 safety-critical applications.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eRedundancy Architecture:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eTriple Modular Redundancy (TMR) with hardware-implemented 2oo3 voting logic.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eSignal Integrity:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eAdvanced filtering and high resistance to electromagnetic interference (EMI) and electrical transients.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eIsolation:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eIndividual channel-to-logic isolation to prevent ground loops and protect system backplane.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eFault Tolerance:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eFail-safe design philosophy ensures the system defaults to a safe state upon critical failure.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eDiagnostic Coverage:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eComprehensive self-testing routines monitor hardware health and input circuit integrity in real time.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eOperational Flexibility:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eSupports multiple user-configurable scan times to match specific process requirements.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003ePhysical Installation:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003eChassis-based mounting with a high-density industrial form factor.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong class=\"\"\u003eDimensions:\u003c\/strong\u003e\u003cspan class=\"\"\u003e\u003cspan\u003e \u003c\/span\u003e3.\u003c\/span\u003e\u003cspan class=\"\"\u003e0 x 30.\u003c\/span\u003e\u003cspan class=\"\"\u003e2 x 26.\u003c\/span\u003e\u003cspan class=\"\"\u003e5 cm.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e1.26 kg.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eReliable Fault Detection and Process Protection\u003c\/h3\u003e\n\u003cp\u003eThe T9401 stands out for its robust signal processing capabilities. In demanding industrial environments where electrical noise from motors and switchgear is common, the module’s sophisticated input circuitry ensures that only valid state changes are reported to the controller. The internal TMR architecture performs continuous cross-checking between three independent processing paths, ensuring that a fault in one path is automatically out-voted by the other two.\u003c\/p\u003e\n\u003cp\u003eThis module is designed for ease of maintenance and long-term deployment. It supports hot-swapping within the Trusted chassis, allowing for module replacement without interrupting the active control process. Integrated diagnostic LEDs on the front panel provide technicians with immediate visibility into the health of the module and the status of individual field loops. By combining high-resolution diagnostics with unmatched hardware availability, the T9401 provides a dependable solution for the protection of complex machinery and human life in the most challenging automated environments.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Allen-Bradley","offers":[{"title":"Default Title","offer_id":45519065088173,"sku":"T9401","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0733\/1613\/9181\/files\/ics-triplex-t9401-digital-input-module-x01cyxm1mnl.jpg?v=1766986051","url":"https:\/\/www.maxwellplc.com\/products\/t9401-ics-triplex-trusted-digital-input-module","provider":"Maxwell PLC Ltd","version":"1.0","type":"link"}