{"product_id":"ics-triplex-t9402-digital-input-module-24v-dc-di-sil-3","title":"ICS Triplex T9402 Digital Input Module | 24V DC DI SIL 3","description":"\u003ch3\u003e\u003cstrong\u003eProduct Description\u003c\/strong\u003e\u003c\/h3\u003e\n\u003ch4\u003e\u003cstrong\u003eOverview\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eICS Triplex T9402\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-integrity Digital Input (DI) module engineered for use in Safety Instrumented Systems (SIS) and critical process control applications. Designed for industrial environments where functional safety and availability are paramount, this module interfaces reliably with field sensors such as switches, proximity detectors, and emergency shutdown devices.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003eArchitecture and Design\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eT9402\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eincorporates a fault-tolerant architecture with TMR (Triple Modular Redundancy) principles or high-integrity dual-channel voting mechanisms depending on the system configuration. Each input is continuously monitored and validated to detect latent faults, ensuring uninterrupted operation in SIL 3 safety applications. The module is hot-swappable, allowing replacement without system downtime.\u003c\/p\u003e\n\u003ch4\u003e\u003cstrong\u003ePerformance Features\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eInput Capabilities\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eSupports 16–32 digital channels per module depending on chassis configuration\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eNominal input voltage: 24V DC\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLogic thresholds: Logic ‘0’ \u0026lt; 5V, Logic ‘1’ \u0026gt; 15V\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLow input current minimizes internal heat and improves cabinet efficiency\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eSafety and Reliability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eCertified for SIL 3 functional safety according to IEC 61508\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-resolution Sequence of Events (SOE) recording at 1 ms for precise trip analysis\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eGalvanic isolation between field wiring and system logic for protection against transients\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostics and Fault Detection\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eDetects open-circuit and short-circuit wiring conditions when used with end-of-line resistors\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerforms internal hardware voting and continuous self-tests to ensure signal integrity\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLEDs indicate per-channel status, health, and fault conditions\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical and Environmental\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eOperating temperature range: 0°C to 60°C (32°F to 140°F)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEMC-resistant design withstands high levels of industrial electrical noise and transients\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eCompact module design optimizes space while maintaining high channel density\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth align=\"left\"\u003eParameter\u003c\/th\u003e\n\u003cth align=\"left\"\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eModel Number\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e\u003cstrong\u003eT9402\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eModule Type\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eDigital Input (DI) Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eInput Voltage\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e24V DC Nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eChannels\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e16–32 per module (system-dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eLogic Thresholds\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eLogic ‘0’ \u0026lt; 5V, Logic ‘1’ \u0026gt; 15V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eInput Current\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eLow power per channel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eSafety Rating\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eSIL 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eSOE Resolution\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e1 ms\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eIsolation\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eGalvanic, field-to-system\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eStatus Indicators\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eLED per channel: Health\/Fault\/Status\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eRedundancy\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eTMR or dual-channel voting architecture\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd align=\"left\"\u003e0°C to 60°C (32°F to 140°F)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eEMC Immunity\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eHigh resistance to EMI\/RFI and industrial transients\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd align=\"left\"\u003eHot-Swappable\u003c\/td\u003e\n\u003ctd align=\"left\"\u003eYes, supports online replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003eApplications\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eT9402\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis ideal for high-availability and safety-critical applications including:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eEmergency Shutdown (ESD) systems\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFire and Gas (F\u0026amp;G) detection\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-integrity process control loops in chemical, oil \u0026amp; gas, and power generation industries\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch4\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cp\u003e\u003cstrong\u003eQ1:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHow many input channels does the T9402 support?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTypically 16 to 32, depending on chassis and system configuration.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhat is the input voltage range?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNominal 24V DC with logic thresholds: Logic ‘0’ \u0026lt; 5V, Logic ‘1’ \u0026gt; 15V.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eIs the module hot-swappable?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eYes, it can be replaced without interrupting the system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWhat safety standard does the module comply with?\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eCertified for SIL 3 according to IEC 61508.\u003c\/p\u003e","brand":"ICS TRIPLEX","offers":[{"title":"Default Title","offer_id":44130045591651,"sku":"T9402","price":180.0,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/ICST9402-3.jpg?v=1776740121","url":"https:\/\/precisemodule.com\/products\/ics-triplex-t9402-digital-input-module-24v-dc-di-sil-3","provider":"Precise Module Ltd.","version":"1.0","type":"link"}