{"product_id":"3501e-triconex-tricon-tmr-isolated-digital-input-module","title":"Module d'entrée numérique isolée Triconex Tricon TMR 3501E","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3501E (3501E)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-density, Triple Modular Redundant (TMR)\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eDigital Input Module\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edesigned for the Triconex Tricon safety system. Operating at\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e115 VAC\/VDC\u003c\/strong\u003e, this module provides\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e32 isolated, non-commoned input points\u003c\/strong\u003e, making it ideal for complex industrial environments like oil refineries, chemical plants, and power generation facilities where signal separation is critical for safety. The\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3501E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizes three independent channels to process data, which is then voted on at the Main Processors to ensure the highest level of integrity. This architecture allows the module to maintain proper operation even in the presence of a single channel fault, significantly reducing the risk of unplanned system trips and ensuring maximum plant uptime.\u003c\/p\u003e\n\u003ch3\u003eTechnical Configuration \u0026amp; Fault Tolerance\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTriconex 3501E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis engineered with a focus on \"High Availability\" and \"Fail-Safe\" logic. Each of the 32 input points is opto-isolated, providing superior protection against electromagnetic interference and voltage surges. The \"E\" suffix in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3501E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003edenotes enhanced diagnostic capabilities, including a circuit stuck-On self-test feature that continuously verifies the transition of circuits from energized to Off states. The module also supports \"Hot-Spare\" functionality, allowing maintenance teams to replace a faulty unit online without interrupting the process. Mechanically keyed to prevent improper installation, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3501E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eintegrates seamlessly with external termination panels to provide a robust interface for critical safety-instrumented functions (SIF).\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable width=\"784\"\u003e\n    \u003cthead\u003e\n        \u003ctr class=\"firstRow\"\u003e\n            \u003cth align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px; text-align: left;\"\u003e\n                Feature\n            \u003c\/th\u003e\n            \u003cth align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px; text-align: left;\"\u003e\n                Specification\n            \u003c\/th\u003e\n        \u003c\/tr\u003e\n    \u003c\/thead\u003e\n    \u003ctbody\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Color code\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Red\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Number of input points\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                32, non-commoned, isolated\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Input frequency range\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                DC or 47-63 Hz\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Recommended input range\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                90–155 VAC\/VDC\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Maximum voltage\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                155 VAC\/VDC\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Switching level: Off to On\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                69 VAC\/VDC typical, 86 VAC\/VDC worst-case\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Switching level: On to Off\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                36 VAC\/VDC typical, 28 VAC\/VDC worst-case\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Typical hysteresis\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                32 VAC\/VDC\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Nominal turn-on\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                6 mA to 9 mA\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Input impedance\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                \u0026gt; 8.5 kΩ nominal\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Input delay: Off to On\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                \u0026lt; 8 ms\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Input delay: On to Off\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                \u0026lt; 15 ms\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Point isolation, opto-isolated: 3501E\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                1,000 VAC minimum, 1,500 VDC minimum\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Point isolation, opto-isolated: 3501T\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                1,780 VAC minimum, 2,500 VDC minimum\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Status indicator: On or Off state\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                1 per point\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Status indicator: Module status\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Pass, Fault, Active\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Logic power\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                \u0026lt; 10 watts\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Nominal field power load\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                1.5 watts per On point, 2.9 watts @ maximum field voltage\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Leakage current to chassis @ 60 Hz\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                1 mA maximum per On point\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                \u003cstrong\u003eInput diagnostic fault coverage:\u003c\/strong\u003e\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Maximum input toggle rateᵃ\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Every 100 ms\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Minimum input toggle rate\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Every 24 months (manually toggled by the user)ᵇ\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n        \u003ctr\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Diagnostic glitch duration\n            \u003c\/td\u003e\n            \u003ctd align=\"left\" style=\"border-color: rgb(204, 204, 204); padding: 8px;\"\u003e\n                Not applicable\n            \u003c\/td\u003e\n        \u003c\/tr\u003e\n    \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\n    \u003cbr\u003e\n\u003c\/p\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the difference between TMR modules like 3501E and Single modules like 3564?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3501E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a TMR module with three fully independent channels and 2-out-of-3 voting, optimized for maximum availability. In contrast, Single modules like the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3564\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eare cost-optimized, triplicating only safety-critical paths and forcing the input to a safe \"Off\" state upon fault detection, which may lead to a trip but ensures safety.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat does the \"isolated, non-commoned\" specification imply for wiring?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\"Non-commoned\" means that each of the 32 input points has its own dedicated return path. This prevents a single ground fault or short circuit on one field device from affecting the other 31 inputs, providing the highest level of signal independence.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the \"Fault\" indicator behave on the 3501E?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Fault indicator on the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3501E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003epoints to a specific channel fault rather than a total module failure. Because of the TMR architecture, the module continues to operate correctly in the presence of a single channel fault while alerting the user via the chassis alarm.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eEngineering \u0026amp; Installation Guide\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Termination Panels (ETP):\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3501E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequires a dedicated interface cable to connect to a remotely located ETP. Ensure the cable length and shielding are compliant with local EMI\/RFI standards to prevent signal ghosting on the 115V lines.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMechanical Keying:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBefore installation, verify the chassis slot is configured for the \"Red\" color-coded\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e3501E\u003c\/strong\u003e. Do not force the module; the mechanical keying is designed to protect the backplane pins from incorrect voltage levels.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIsolation Maintenance:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTo maintain the 32-point isolation integrity, avoid \"daisy-chaining\" return leads at the field side. Each pair should be run directly to the isolated terminals on the ETP.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eTriconex 3501E\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eexcels in de-energize-to-trip applications. Its internal self-test circuitry detects stuck-On fault conditions in real-time, ensuring that if an Emergency Shutdown (ESD) signal is received, the module will accurately report the transition. Its high input impedance (\u0026gt; 8.5 kΩ) ensures minimal current draw from the field loops while maintaining robust signal detection. Furthermore, its ability to operate across both AC and DC ranges (47–63 Hz or pure DC) provides engineers with the flexibility to standardize on one module type across various power distribution designs.\u003c\/p\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":53102420820331,"sku":"3501E","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/3501E-xwarmtivott.png?v=1776137102","url":"https:\/\/www.plcprotech.com\/fr\/products\/3501e-triconex-tricon-tmr-isolated-digital-input-module","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}