{"product_id":"3501e-digital-input-module-triconex","title":"3501E Digital Input Module | Triconex","description":"\u003cp\u003eConfigured for high-density signal acquisition in Tricon safety system platforms, the \u003cstrong\u003eTriconex 3501E\u003c\/strong\u003e (\u003cstrong\u003e3501E\u003c\/strong\u003e Digital Input Module) provides direct physical\/electrical execution of 32-channel 115 VAC\/VDC digital input monitoring.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e3501E\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eTriconex\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard Tricon module form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eIndustrial standard range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e2.9 W\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Points\u003c\/td\u003e\n\u003ctd\u003e32 points\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Range\u003c\/td\u003e\n\u003ctd\u003e90-155 VAC\/VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation\u003c\/td\u003e\n\u003ctd\u003e1500 VDC to 2500 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eTriple Modular Redundancy (TMR) Architectural Integrity\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eTriconex 3501E\u003c\/strong\u003e operates within a TMR 2oo3 architecture, ensuring that digital input states are processed via three independent channels with real-time majority voting. This mechanism eliminates single-point failures and ensures system state integrity. The module provides galvanic isolation ranging from 1500 VDC to 2500 VDC between the field input terminals and the backplane, protecting the internal logic solver from electrical transients and common-mode noise. To satisfy SIL3 certification requirements, the module supports fail-safe state execution; in the event of an internal diagnostic failure, the module isolates the faulty channel and reports a diagnostic fault to the main processor to prevent erroneous data transmission.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 3501E support hot-swapping during active system operation?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the 3501E is designed for hot-swapping within an energized Tricon chassis. Upon installation, the module performs a power-on self-test and synchronizes with the redundant processor set before resuming active signal scanning.\u003c\/p\u003e\n\u003cp\u003eQ: Can the 3501E handle both AC and DC input signals simultaneously?\u003c\/p\u003e\n\u003cp\u003eA: The module is rated for 115 VAC\/VDC input signals within the 90-155 VAC\/VDC range. While the hardware supports both voltage types, all inputs within a single module must adhere to the configured field-side voltage requirements to maintain signal detection accuracy and prevent potential input impedance mismatches.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the system chassis is in a state permitting module replacement before insertion.\u003c\/li\u003e\n\u003cli\u003eAlign the 3501E with the chassis guide rails and firmly seat the module to engage the backplane connector.\u003c\/li\u003e\n\u003cli\u003eTighten the front-panel captive screws to establish a secure ground connection to the chassis.\u003c\/li\u003e\n\u003cli\u003eRoute field wiring according to local electrical codes, ensuring proper separation between the 115 VAC\/VDC input signals and low-voltage control loops to prevent induced interference.\u003c\/li\u003e\n\u003cli\u003eTerminate input signal cable shields at the cabinet ground bus to ensure the effectiveness of the galvanic isolation barrier.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":53032111440181,"sku":"3501E","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/3706_73df211a-cf16-4a2e-8109-5c8c179fb654.png?v=1782292710","url":"https:\/\/www.5gplc.com\/products\/3501e-digital-input-module-triconex","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}