{"product_id":"triconex-di3301-digital-input-module-di-3301-triple-modular-redundant","title":"Module d'entrée numérique (DI 3301) | Redondance triple modulaire Triconex DI3301","description":"\u003ch3\u003eOverview\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDI3301 (DI3301)\u003c\/strong\u003e stands as a critical component within the Schneider Electric \u003cstrong\u003eTriconex\u003c\/strong\u003e Triple Modular Redundant (TMR) architecture. Engineered specifically for high-availability safety instrumented systems (SIS), this 24 VDC digital input module provides the interface between field sensors and the Tricon Controllers. By utilizing three isolated input paths and internal voting logic, the \u003cstrong\u003eTriconex DI3301\u003c\/strong\u003e ensures that a single point of failure does not compromise process safety or cause nuisance trips. This module is indispensable in high-stakes environments such as offshore oil platforms, chemical processing plants, and nuclear power generation, where maintaining continuous uptime is paramount to both safety and profitability.\u003c\/p\u003e\n\u003ch3\u003eAdvanced Hardware Architecture\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eDI3301\u003c\/strong\u003e is designed for the high-density Tricon v9 and v10 systems. Unlike standard PLC inputs, each channel on the \u003cstrong\u003eDI3301\u003c\/strong\u003e is continuously monitored by an onboard microprocessor.\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eTMR Integrity:\u003c\/strong\u003e The module accepts signals from the field and fans them out to three independent legs (A, B, and C). Each leg performs its own signal conditioning and diagnostic testing before passing data to the Main Processors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDiagnostic Self-Test:\u003c\/strong\u003e The module executes comprehensive \"stuck-on\" and \"stuck-off\" diagnostics. This proactive detection ensures that if a component within the module fails, the system identifies the fault immediately while remaining fully operational via the remaining two legs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHot-Swappable Design:\u003c\/strong\u003e To minimize Mean Time to Repair (MTTR), the \u003cstrong\u003eDI3301\u003c\/strong\u003e supports online replacement. It can be inserted into a chassis while the system is powered and controlling the process without interrupting the logic execution.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eKey Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification Details\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDI3301\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eTriconex\u003c\/strong\u003e (Schneider Electric)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDigital Input (TMR)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNominal Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eNumber of Channels\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e16 or 32 (Configuration Dependent)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Range\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 30 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModule Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.42 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eShipping Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.50 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 10 W\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eStorage Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-40 to 85 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHumidity\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 to 95 percent (Non-condensing)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eTechnical FAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eHow does the DI3301 handle field-side power loss?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe module monitors the presence of the 24 VDC field power. If power is lost to the field sensors, the \u003cstrong\u003eDI3301\u003c\/strong\u003e reports a \"Field Power Loss\" status to the application program, allowing for safe-state logic execution or alarming.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan the DI3301 be used in a dual-redundant configuration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eWhile the \u003cstrong\u003eTriconex\u003c\/strong\u003e system is natively Triple Modular Redundant (TMR), the \u003cstrong\u003eDI3301\u003c\/strong\u003e can operate in \"dual\" mode if one leg is faulted, though it is recommended to replace the module promptly to restore the full 2-out-of-3 (2oo3) voting safety integrity.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat is the significance of the \"Active\" and \"Fault\" LEDs on the front panel?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe \u003cstrong\u003eActive\u003c\/strong\u003e LED indicates that the module is communicating with the Main Processors. The \u003cstrong\u003eFault\u003c\/strong\u003e LED illuminates when the internal diagnostics detect a hardware failure or a discrepancy between the three internal voting legs.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation \u0026amp; Wiring Guide\u003c\/h3\u003e\n\u003cp\u003eTo ensure maximum EMI\/RFI immunity and long-term reliability of the \u003cstrong\u003eDI3301\u003c\/strong\u003e, follow these engineering best practices:\u003c\/p\u003e\n\u003col class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eShielding and Grounding:\u003c\/strong\u003e Always use twisted-pair shielded cables for field wiring. Ensure the shield is grounded at the \u003cstrong\u003eTriconex\u003c\/strong\u003e chassis end only to prevent ground loops that could introduce noise into the digital signal.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExternal Power Sourcing:\u003c\/strong\u003e While the module monitors 24 VDC, ensure the external power supply used for field devices is regulated and filtered. Voltage spikes exceeding 33 VDC can damage the input circuitry.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eConnector Torque:\u003c\/strong\u003e When securing the External Termination Panel (ETP) cables to the module, ensure connectors are seated firmly. Use a standard torque of 0.5 Nm for terminal block screws to prevent vibration-induced loosening in high-vibration environments like turbine halls.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch3\u003eOperational Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eExtreme Durability:\u003c\/strong\u003e The \u003cstrong\u003eDI3301\u003c\/strong\u003e is built with industrial-grade components capable of withstanding the thermal cycling and high-vibration typical of heavy industrial machinery.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eBackward Compatibility:\u003c\/strong\u003e It maintains full compatibility with legacy Tricon chassis, allowing for seamless upgrades of older safety systems without requiring a complete overhaul of the field wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePredictive Maintenance:\u003c\/strong\u003e Through the Enhanced Diagnostic Monitor (EDM), the module provides real-time health data, allowing engineers to identify degrading field sensors before they cause a system trip.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":53102422294891,"sku":"DI3301","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0953\/3227\/0443\/files\/di3301-q1shvqzhebf.png?v=1776137297","url":"https:\/\/www.plcprotech.com\/fr\/products\/triconex-di3301-digital-input-module-di-3301-triple-modular-redundant","provider":"PLC ProTech Ltd.","version":"1.0","type":"link"}