{"product_id":"triconex-3503e-digital-input-module-32-channel-24vac-dc","title":"Triconex 3503E Digital Input Module - 32-Channel 24VAC\/DC","description":"\u003ch2\u003e\u003cstrong\u003eTriconex 3503E Digital Input Module: High-Density TMR Safety Solution\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eTriconex 3503E\u003c\/strong\u003e Digital Input Module delivers triple modular redundant safety for critical industrial applications. This advanced TMR module from Triconex features \u003cspan style=\"color: #ff6600;\"\u003e\u003cstrong\u003e32 input points\u003c\/strong\u003e\u003c\/span\u003e with comprehensive self-test diagnostics. The \u003cstrong\u003eTriconex 3503E\u003c\/strong\u003e ensures maximum system availability with 100% triplicated critical signal paths and continuous channel monitoring.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eKey Technical Specifications\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eThe \u003cstrong\u003eTriconex 3503E\u003c\/strong\u003e provides \u003cspan style=\"color: #ff6600;\"\u003e\u003cstrong\u003e32 digital input points\u003c\/strong\u003e\u003c\/span\u003e commoned in groups of eight\u003c\/li\u003e\n\u003cli\u003eIt accepts both \u003cspan style=\"color: #ff6600;\"\u003e\u003cstrong\u003e24 VAC and 24 VDC\u003c\/strong\u003e\u003c\/span\u003e input signals with wide voltage range\u003c\/li\u003e\n\u003cli\u003eThe module supports \u003cstrong\u003eDC or 47-63 Hz AC\u003c\/strong\u003e frequency operation for flexibility\u003c\/li\u003e\n\u003cli\u003eRecommended input range spans from \u003cstrong\u003e20 to 42.5 VAC\/VDC\u003c\/strong\u003e for optimal performance\u003c\/li\u003e\n\u003cli\u003eMaximum voltage rating is \u003cstrong\u003e42.5 VAC\/VDC\u003c\/strong\u003e for robust operation\u003c\/li\u003e\n\u003cli\u003eEach channel provides \u003cstrong\u003e1,500 VDC point isolation\u003c\/strong\u003e for safety\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eSwitching Characteristics and Performance\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eSwitch from \u003cstrong\u003eOFF to ON\u003c\/strong\u003e occurs at \u003cstrong\u003e\u0026gt;18 VAC\/VDC\u003c\/strong\u003e with fast response\u003c\/li\u003e\n\u003cli\u003eSwitch from \u003cstrong\u003eON to OFF\u003c\/strong\u003e happens at \u003cstrong\u003e\u0026lt;6 VAC\/VDC\u003c\/strong\u003e for reliable operation\u003c\/li\u003e\n\u003cli\u003eInput delays are \u003cstrong\u003e\u0026lt;8 ms for OFF to ON\u003c\/strong\u003e and \u003cstrong\u003e\u0026lt;15 ms for ON to OFF\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eTypical hysteresis of \u003cstrong\u003e4 VAC\/VDC\u003c\/strong\u003e prevents contact chatter\u003c\/li\u003e\n\u003cli\u003eNominal turn-on current ranges from \u003cstrong\u003e6-9 mA\u003c\/strong\u003e for efficient operation\u003c\/li\u003e\n\u003cli\u003eInput impedance exceeds \u003cstrong\u003e1.25 kΩ\u003c\/strong\u003e for minimal loading\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eAdvanced TMR Architecture and Diagnostics\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eTriple Modular Redundant design ensures \u003cspan style=\"color: #ff6600;\"\u003e\u003cstrong\u003econtinuous operation\u003c\/strong\u003e\u003c\/span\u003e during single faults\u003c\/li\u003e\n\u003cli\u003eThree isolated channels \u003cspan style=\"color: #ff6600;\"\u003e\u003cstrong\u003eindependently process all input data\u003c\/strong\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eComprehensive self-test capability \u003cstrong\u003edetects stuck-ON conditions\u003c\/strong\u003e automatically\u003c\/li\u003e\n\u003cli\u003eOptical isolation provides \u003cstrong\u003ecomplete field-to-system protection\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eDiagnostic indicators show \u003cstrong\u003ePASS, FAULT, and ACTIVE\u003c\/strong\u003e module status\u003c\/li\u003e\n\u003cli\u003eIndividual \u003cstrong\u003einput status indicators\u003c\/strong\u003e for each of the 32 points\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003ePower Requirements and Physical Design\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eNominal field power load is \u003cstrong\u003e0.5 watts per ON point\u003c\/strong\u003e for efficiency\u003c\/li\u003e\n\u003cli\u003eMaximum power consumption reaches \u003cstrong\u003e1.5 watts at maximum field voltage\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eThe distinctive \u003cstrong\u003edark red color code\u003c\/strong\u003e enables quick visual identification\u003c\/li\u003e\n\u003cli\u003eModule is \u003cstrong\u003emechanically keyed\u003c\/strong\u003e to prevent incorrect chassis installation\u003c\/li\u003e\n\u003cli\u003eRequires \u003cstrong\u003eexternal termination panel (ETP)\u003c\/strong\u003e with cable interface\u003c\/li\u003e\n\u003cli\u003eSupports \u003cstrong\u003ehot-spare capability\u003c\/strong\u003e for maximum system availability\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e\u003cstrong\u003eFrequently Asked Questions (FAQ)\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHow many input points does the 3503E module have?\u003c\/strong\u003e\u003cbr\u003eThe \u003cstrong\u003eTriconex 3503E\u003c\/strong\u003e provides \u003cstrong\u003e32 digital input points\u003c\/strong\u003e organized in eight groups of four commoned points\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWhat types of input signals does it support?\u003c\/strong\u003e\u003cbr\u003eIt handles both \u003cstrong\u003e24 VAC and 24 VDC\u003c\/strong\u003e input signals with a wide operating range from 20 to 42.5 volts\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDoes the module include self-test features?\u003c\/strong\u003e\u003cbr\u003eYes, the \u003cstrong\u003eTriconex 3503E\u003c\/strong\u003e includes advanced \u003cstrong\u003eself-test diagnostics\u003c\/strong\u003e that automatically detect stuck-ON conditions for safety-critical applications\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":45286341312673,"sku":"3503E","price":356.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0673\/5390\/3265\/files\/3503E.jpg?v=1761807414","url":"https:\/\/www.autonexcontrol.com\/uk\/products\/triconex-3503e-digital-input-module-32-channel-24vac-dc","provider":"AutoNex Controls Limited ","version":"1.0","type":"link"}