{"product_id":"honeywell-10101-2-3-fail-safe-digital-input-module","title":"Honeywell 10101\/2\/3 Fail-Safe Digital Input Module","description":"\u003ch3\u003eDescription\u003c\/h3\u003e\u003cp\u003eThe Honeywell 10101\/2\/3 is a high-reliability, fail-safe digital input module engineered for safety instrumented systems (SIS). It provides 16 digital input channels designed to operate at a nominal 48 VDC. The module features a fail-to-safe architecture, ensuring that in the event of an internal fault, all inputs transition to a de-energized state to maintain a defined safe condition. It is widely utilized in critical process control environments, including oil and gas facilities and power generation plants, where high availability and safety integrity are mandatory.\u003c\/p\u003e\u003ch3\u003eFeatures\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e16-channel digital input configuration for high-density signal acquisition.\u003c\/li\u003e\n\u003cli\u003eFail-to-safe design ensures inputs default to a de-energized state upon failure.\u003c\/li\u003e\n\u003cli\u003eContinuous internal self-test routines to validate logic 0 and logic 1 detection.\u003c\/li\u003e\n\u003cli\u003eAdvanced crosstalk monitoring between channels to prevent signal interference.\u003c\/li\u003e\n\u003cli\u003eOptimized for industrial noise immunity with a 10 ms input delay to suppress transient disturbances.\u003c\/li\u003e\n\u003cli\u003eCompatible with 48 VDC external field signals.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eApplications\u003c\/h3\u003e\u003cp\u003eThis module is designed for safety-critical applications requiring SIL-rated performance, including emergency shutdown systems (ESD), fire and gas monitoring, and critical process interlocks in industrial automation.\u003c\/p\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003e10101\/2\/3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChannels\u003c\/td\u003e\n\u003ctd\u003e16 Digital Inputs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRated Input Voltage\u003c\/td\u003e\n\u003ctd\u003e48 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Input Voltage\u003c\/td\u003e\n\u003ctd\u003e70 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Current\u003c\/td\u003e\n\u003ctd\u003e4 mA at 48 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic HIGH Level\u003c\/td\u003e\n\u003ctd\u003e\u0026gt; 30 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLogic LOW Level\u003c\/td\u003e\n\u003ctd\u003e\u0026lt; 16 VDC (\u0026lt; 1.1 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInput Delay\u003c\/td\u003e\n\u003ctd\u003e10 ms (typical)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption (5 VDC)\u003c\/td\u003e\n\u003ctd\u003e8 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption (24 VDC)\u003c\/td\u003e\n\u003ctd\u003e80 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption (48 VDC)\u003c\/td\u003e\n\u003ctd\u003e65 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003ch3\u003eInstallation Guidelines\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eEnsure the system is powered down before inserting or removing the module from the rack.\u003c\/li\u003e\n\u003cli\u003eVerify that a common 0 VDC reference is established between the internal 24 VDC and external 48 VDC power supplies.\u003c\/li\u003e\n\u003cli\u003eEnsure proper connector alignment; the module utilizes specific coding (Module: holes A5, C13; Rack: pins A5, C13).\u003c\/li\u003e\n\u003cli\u003eHandle the module using standard ESD precautions to prevent damage to sensitive internal circuitry.\u003c\/li\u003e\n\u003cli\u003eRoute signal cabling away from high-EMI sources to maintain signal integrity.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eFAQ\u003c\/h3\u003e\u003ch3\u003eWhat is the primary function of the 10101\/2\/3 module?\u003c\/h3\u003e\u003cp\u003eThe 10101\/2\/3 is a digital input module used in safety-critical systems to monitor 48 VDC signals while providing continuous diagnostic coverage and fail-safe operation.\u003c\/p\u003e\u003ch3\u003eWhat happens if the module experiences an internal failure?\u003c\/h3\u003e\u003cp\u003eThe module is designed to fail-to-safe, meaning all inputs are forced into a de-energized state to ensure the process remains in a safe condition.\u003c\/p\u003e\u003ch3\u003eAre there specific requirements for the power supply?\u003c\/h3\u003e\u003cp\u003eYes, the module requires a common 0 VDC reference between the internal 24 VDC logic supply and the external 48 VDC field supply for stable operation.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":43894409035866,"sku":"10101\/2\/3","price":172.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/wm_1_6d0576b7-c4e8-4824-8cb3-e76c310e44d9.jpg?v=1787502197","url":"https:\/\/www.spareoil.com\/products\/honeywell-10101-2-3-fail-safe-digital-input-module","provider":"SpareOil Automation","version":"1.0","type":"link"}