{"product_id":"t8424-ics-triplex-tmr-120-vac-digital-input-module","title":"T8424 | ICS Triplex | TMR 120 Vac Digital Input Module","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eProduct Name:\u003c\/strong\u003e Digital Input Module\u003cbr\u003e\u003cstrong\u003eModel Number:\u003c\/strong\u003e T8424\u003cbr\u003e\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Rockwell ICS Triplex\u003cbr\u003e\u003cstrong\u003eFunction:\u003c\/strong\u003e Digital Input Module for Trusted TMR (Triple Modular Redundant) systems, providing high fault tolerance and reliable input monitoring for critical industrial applications.\u003c\/p\u003e\n\u003ch3\u003eFeatures\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput Channels:\u003c\/strong\u003e 40 Triple Modular Redundant (TMR) input channels per module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFault Tolerance:\u003c\/strong\u003e Enhanced fault tolerance for each input channel achieved through TMR architecture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIsolation Barrier:\u003c\/strong\u003e 2500 V impulse withstand with opto\/galvanic isolation, enhancing safety and signal integrity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSequence of Events (SOE) Reporting:\u003c\/strong\u003e High-resolution (1 ms) on-board SOE reporting for precise event tracking.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDiagnostics:\u003c\/strong\u003e Comprehensive automatic diagnostics and self-test for reliable operation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatus Indicators:\u003c\/strong\u003e Front panel input and module status LEDs for easy monitoring.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eInput Thresholds:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eON State:\u003c\/strong\u003e Amplitudes above 82 Vac.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOFF State:\u003c\/strong\u003e Amplitudes below 26 Vac.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHysteresis Range:\u003c\/strong\u003e Between 26 Vac and 82 Vac.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIEC Compliance:\u003c\/strong\u003e Meets the requirements of IEC 61131-2 (sec 5.2.3) for AC input amplitude thresholds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eOpen Field Signal Detection:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen Signals:\u003c\/strong\u003e Reported as OFF.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eShorted Field Loops:\u003c\/strong\u003e Blow excitation fuse and report as OFF.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOpen Wires (between FTA and Module):\u003c\/strong\u003e Report as state ‘0’ with flashing red channel LED.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eAdditional Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eLine Monitoring:\u003c\/strong\u003e Not provided by the T8424 Module.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eThreshold Template:\u003c\/strong\u003e System.INI configuration’s threshold template is not applicable to this module and has no effect on state discrimination.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!----\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":41922488041539,"sku":"T8424","price":300.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0587\/5810\/3107\/files\/T8423.png?v=1741328709","url":"https:\/\/www.plcdcspro.com\/products\/t8424-ics-triplex-tmr-120-vac-digital-input-module","provider":"PLC DCS Pro Ltd.","version":"1.0","type":"link"}