{"product_id":"watchdog-repeater-modules-honeywell-10302-2-1-fsc","title":"Watchdog Repeater Modules | Honeywell 10302\/2\/1 FSC","description":"\u003ch2\u003eHoneywell 10302\/2\/1 FSC Watchdog Repeater Module\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 10302\/2\/1\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e10302\/2\/1\u003c\/strong\u003e Watchdog Repeater (WDR) Module, operates as a dedicated hardware component for monitoring 5 VDC and 24 VDC power supply rails and distributing watchdog signals within Honeywell Fail Safe Control (FSC) architectures.\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\u003e10302\/2\/1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.12 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e4 TE x 3 HE (4 HP, 3U eurocard format)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard industrial operating range\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5 VDC at 35 mA; 24 VDC at 25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Function\u003c\/td\u003e\n\u003ctd\u003ePSU monitoring and watchdog signal distribution\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWatchdog Input\/Output Current\u003c\/td\u003e\n\u003ctd\u003e0.1 mA (inputs WDG1\/WDG2); up to 900 mA (output)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRear Interface\u003c\/td\u003e\n\u003ctd\u003eDIN 41612 Type F connector with A5 and A9 coding holes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and Process Control\u003c\/h3\u003e\n\u003cp\u003eThe watchdog repeater module maintains system integrity by continuously supervising power supply voltages and repeating the safety watchdog pulse across the rack backplane. Internal monitoring circuitry restricts the 24 VDC supply rail below 37 VDC under double fault conditions, protecting sensitive downstream I\/O cards from catastrophic overvoltage. Furthermore, optocoupler-based isolation separates logic monitoring loops from backplane power distributions, ensuring that power anomalies or processor stalls trigger immediate fail-safe state execution across connected safety-instrumented networks.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What are the current draw specifications for the module across its power rails?\u003c\/p\u003e\n\u003cp\u003eA: The unit consumes 35 mA from the 5 VDC supply rail (excluding watchdog output current) and 25 mA from the 24 VDC supply rail.\u003c\/p\u003e\n\u003cp\u003eQ: How does the module prevent incorrect slot insertion during maintenance?\u003c\/p\u003e\n\u003cp\u003eA: Physical keying is enforced through module coding holes at positions A5 and A9, which align with large pins A5 and A9 on the FSC rack backplane.\u003c\/p\u003e\n\u003cp\u003eQ: What is the maximum supported watchdog output current capacity?\u003c\/p\u003e\n\u003cp\u003eA: The module handles watchdog output currents exceeding 900 mA, accommodating high-density I\/O configurations within large control racks.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eEnsure rack power is completely removed before handling the hardware. Align the printed circuit board edges of the 10302\/2\/1 module with the designated 4 TE wide guide slots inside the Honeywell FSC chassis. Verify that the rack backplane coding pins (A5 and A9) match the module coding holes. Slide the module firmly into the backplane until the rear DIN 41612 Type F connector seats securely. Fasten the front panel retaining screws to secure mechanical ground continuity before re-energizing the system.\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\/55_f40c3619-4575-42db-bd1b-9fe2794a25bf.jpg?v=1757467442","url":"https:\/\/www.autocontrolglobal.com\/products\/watchdog-repeater-modules-honeywell-10302-2-1-fsc","provider":"AutoControl Global","version":"1.0","type":"link"}