{"product_id":"triconex-di3301s2-digital-input-module","title":"Triconex DI3301S2 Digital Input Module","description":"\u003cp\u003eConfigured for high-density discrete status acquisition within SIS platforms, the \u003cstrong\u003eTriconex DI3301S2\u003c\/strong\u003e (\u003cstrong\u003eDI3301S2\u003c\/strong\u003e Digital Input Module) provides direct physical execution of 32-channel digital input signal processing. This module interface facilitates high-integrity discrete monitoring across safety instrumented systems, ensuring deterministic signal state detection for 24 VDC field inputs.\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\u003eDI3301S2\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.42 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e200 mm x 100 mm x 120 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot specified\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Channels\u003c\/td\u003e\n\u003ctd\u003e32 digital inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Voltage\u003c\/td\u003e\n\u003ctd\u003e24 VDC (15-30 VDC range)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eSIS Triple Modular Redundancy (TMR) Certification\u003c\/h3\u003e\n\u003cp\u003eThe DI3301S2 is engineered to comply with SIL3 certification requirements within a triple modular redundancy (TMR) 2oo3 architecture. Each of the 32 input channels features galvanic isolation rated at 1500 V AC between the field signals and the system logic, effectively preventing ground loop interference and protecting the safety processor from field-side electrical faults. In accordance with safety-critical standards, the module executes fail-safe state execution, whereby diagnostic self-tests continuously monitor for input circuit faults or channel-level degradations, forcing the input data to a predefined safe state upon detection of a critical error.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the DI3301S2 support hot-swapping under normal operational conditions?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the module supports hot-swapping in a TMR configuration. It can be removed and replaced without system shutdown, provided the replacement module matches the safety configuration and current revision standards of the existing chassis modules.\u003c\/p\u003e\n\u003cp\u003eQ: How does the DI3301S2 handle noisy field input environments?\u003c\/p\u003e\n\u003cp\u003eA: The module incorporates a 4 ms input signal delay to provide hardware-level debouncing, effectively filtering out transient electrical noise and contact bounce common in industrial discrete signal loops.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003eEnsure the module is keyed to the correct chassis slot to prevent improper alignment with the backplane bus.\u003c\/li\u003e\n\u003cli\u003eVerify that field wiring is terminated at the assigned Terminal Assembly (TA) according to the wiring diagram to maintain channel-to-channel isolation.\u003c\/li\u003e\n\u003cli\u003eUtilize shielded twisted-pair cabling for field inputs, with the shield grounded at the field end to reduce electromagnetic induction.\u003c\/li\u003e\n\u003cli\u003eCheck that input voltages remain within the 15 VDC to 30 VDC range; voltages below 15 VDC may cause indeterminate state detection, while exceeding 30 VDC risks channel damage.\u003c\/li\u003e\n\u003cli\u003eInspect the diagnostic status LEDs on the module front panel after installation to confirm that all channels are communicating correctly with the main processor.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Triconex","offers":[{"title":"Default Title","offer_id":53031857226037,"sku":"DI3301S2","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/DI3301S2.png?v=1782285365","url":"https:\/\/www.5gplc.com\/products\/triconex-di3301s2-digital-input-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}