{"product_id":"honeywell-10302-2-1-fail-safe-watchdog-repeater-5v-24v-dc","title":"Honeywell 10302\/2\/1 Fail-Safe Watchdog Repeater 5V\/24V DC","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell 10302\/2\/1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eserves as a specialized Watchdog Repeater (WDR) module for the Honeywell Fail-Safe Control (FSC) platform. It provides high-integrity supervision of 5 VDC and 24 VDC power supply units within redundant or mixed I\/O architectures. By generating continuous watchdog output signals, this module ensures that the safety system identifies power abnormalities or processor stalls instantly, triggering a fail-safe shutdown if parameters exceed safe limits. It acts as the \"heartbeat\" monitor for the chassis, maintaining system availability in critical oil, gas, and chemical processing environments.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCondition:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e100% Brand New, Original Factory Sealed.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\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 Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e10302\/2\/1\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePSU Monitoring \u0026amp; Watchdog Signal Generation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMonitored Voltages\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 VDC and 24 VDC\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWatchdog Current\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eSupports configurations \u0026gt;900 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePower Requirements\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5 VDC @ 35 mA; 24 VDC @ 25 mA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eVoltage Tolerance\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e\u0026lt; 37 VDC under double fault conditions\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eConnector Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDIN 41612, Type F (Rows b, d, z)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eMechanical Size\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e4 TE, 3 HE (Standard 3U Eurocard)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.12 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCertifications\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eTÜV, UL, CE approved\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eSoftware Compatibility\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eVersion 3.00 and higher\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFail-Safe Redundancy Supervision:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe 10302\/2\/1 monitors multiple PSU configurations simultaneously. It prevents overvoltage faults from reaching sensitive I\/O cards by ensuring the 24 VDC supply remains below 37 VDC even during simultaneous hardware failures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Current Watchdog Support:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module handles watchdog currents exceeding 900 mA. This capability allows engineers to deploy the unit in large-scale racks with high-density I\/O modules that require significant signal strength to maintain the \"ready\" state.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePhysical Coding Security:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module utilizes specific rack coding (Holes A5, A9 and large pins A5, A9). This mechanical safety feature prevents operators from inserting the module into the wrong slot, eliminating the risk of electrical mismatch during field maintenance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRapid Fault Detection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eBy repeating the watchdog signal across the backplane, the module ensures that every segment of the I\/O section receives the safety pulse. Any interruption in this signal forces the I\/O into a predefined safe state within milliseconds.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIndustrial Standard Eurocard Format:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe standard 3U\/4TE footprint allows for effortless integration into existing FSC chassis. The DIN 41612 Type F connector provides a vibration-resistant interface suitable for offshore platforms and high-vibration industrial sites.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWhere should I install the 10302\/2\/1 module within the rack?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYou must install the watchdog repeater in the specific I\/O section it monitors. Ensure you verify the mechanical coding pins (A5, A9) on your backplane to match the module's coding holes before insertion.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow does this module handle a \"double fault\" condition?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe 10302\/2\/1 features robust internal circuitry that limits the 24 VDC supply to under 37 VDC even when two concurrent faults occur. This protects the entire rack from catastrophic overvoltage damage and maintains the fail-safe integrity of the FSC system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs this module compatible with older FSC software?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eHoneywell specifies compatibility with FSC software versions 3.00 and higher. If you are running an older legacy system, please consult your system integrator to confirm signal timing compatibility before replacing existing watchdog hardware.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes the 10302\/2\/1 require external calibration?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This is a solid-state safety module factory-calibrated for life. Because it is a 100% brand new unit, it arrives ready for immediate deployment in safety-instrumented functions (SIF).\u003c\/p\u003e","brand":"HONEYWELL","offers":[{"title":"Default Title","offer_id":43685385437283,"sku":"10302\/2\/1","price":240.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/553..jpg?v=1778727517","url":"https:\/\/www.autocontrolglobal.com\/products\/honeywell-10302-2-1-fail-safe-watchdog-repeater-5v-24v-dc","provider":"AutoControl Global","version":"1.0","type":"link"}