{"product_id":"10302-2-1-honeywell-3400126-watchdog-repeater","title":"10302\/2\/1 | Honeywell | 3400126 Watchdog Repeater","description":"\u003ch1\u003eHoneywell 10302\/2\/1 3400126 Watchdog Repeater\u003c\/h1\u003e\n\u003cp\u003eConfigured for watchdog signal distribution and supervision in Honeywell FSC safety control systems, the\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eHoneywell 10302\/2\/1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(\u003cstrong\u003e10302\/2\/1\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e3400126 Watchdog Repeater) provides direct watchdog signal replication between power supply units, central parts, and I\/O sections. The module supports watchdog current management and power supply monitoring functions required in redundant and mixed redundancy FSC configurations.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable class=\"___1vyiefv f1ddd56o f16vktn6 f1ahpp82 f11qra4b f1uinfot fibjyge fvueend f9yszdx f1fu4s3n f3l3pb3 f10ghnd0 f8fmt76 fjvbh62 f1qrqxae f1vw5qpk fc02sbz fxawf59 fymf513 f1aoyrul f1el8yx3 f1pymoxg f1ofu761 fe6itr f7coize f1794535 f1o0pw0q fbjjl9v fk1v6el f16pyhcb f1ixlhx9 f12zef0i flu5r5u f19haqzy f1owmcxx f1oddm8q f1004tna fcoaxci fh0ee9u f15v23i2 f1dmj53 f1r1gcv9 f14z1veh ffufd3x f1ypplot f1660cg\"\u003e\n\u003ctbody\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eWatchdog Repeater (WDR)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eType Number\u003c\/td\u003e\n\u003ctd\u003e10302\/2\/1 12600\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApprovals\u003c\/td\u003e\n\u003ctd\u003eCE, TÜV, UL\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSoftware Version\u003c\/td\u003e\n\u003ctd\u003e\u0026gt;= 3.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSpace Requirement\u003c\/td\u003e\n\u003ctd\u003e4 TE, 3 HE (4 HP, 3U)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSupply Voltage\u003c\/td\u003e\n\u003ctd\u003e5 VDC, 24 VDC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e5 VDC 35 mA; 24 VDC 25 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWDG1 + WDG2 Input Current\u003c\/td\u003e\n\u003ctd\u003e0.1 mA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eModule Code\u003c\/td\u003e\n\u003ctd\u003eHoles A5, A9\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRack Code\u003c\/td\u003e\n\u003ctd\u003eLarge Pins A5, A9\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\u003eShipping Weight\u003c\/td\u003e\n\u003ctd\u003e1.5 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and Watchdog Distribution\u003c\/h3\u003e\n\u003cp\u003eThe 10302\/2\/1 Watchdog Repeater is used to extend and distribute watchdog supervision signals within Honeywell FSC safety architectures. The module enables watchdog signal replication when system configurations exceed the capacity of a single watchdog source.\u003c\/p\u003e\n\u003cp\u003eThe repeater is required in multiple power supply configurations where additional 24 VDC to 5 VDC power supply units are installed beyond the primary supply. Typical applications include systems utilizing PSU 2, PSU 3, or PSU 4 configurations.\u003c\/p\u003e\n\u003cp\u003eThe module also provides watchdog signal handling for installations combining redundant and non-redundant I\/O sections. In these architectures, the repeater generates watchdog outputs required for supervision of non-redundant output modules.\u003c\/p\u003e\n\u003ch3\u003eRedundant Power Supply and Safety System Integration\u003c\/h3\u003e\n\u003cp\u003eThe 10302\/2\/1 is used when watchdog current requirements exceed 900 mA or when FSC architectures employ specific power supply arrangements requiring additional watchdog monitoring capability.\u003c\/p\u003e\n\u003cp\u003eApplications include:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMultiple PSU configurations\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eutilizing additional 24 VDC to 5 VDC power supply units.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eM24-20 HE and M24-12 HE power supply installations\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003erequiring watchdog signal repetition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003ePower supplies capable of exceeding 31.0 VDC output\u003c\/strong\u003e, provided system design ensures the 24 VDC supply remains below 37 VDC under any single or double fault condition.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eMixed redundancy architectures\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ecombining redundant central parts with non-redundant I\/O sections.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003e5 VDC supervision applications\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ewhere dedicated monitoring of the central power rail is required.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: When is a Watchdog Repeater required in an FSC system?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe module is required for multiple PSU configurations, watchdog currents exceeding 900 mA, mixed redundancy architectures, and specific monitored power supply arrangements.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module generate process control signals?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eNo. The module is intended for watchdog distribution, supervision, and power monitoring functions within the FSC infrastructure.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What input current is required for the watchdog inputs?\u003c\/strong\u003e\u003cbr\u003e\u003cstrong\u003eA:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eWDG1 and WDG2 inputs have a specified input current of 0.1 mA.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eVerify compatibility with FSC software Version 3.00 or later before installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eConfirm rack coding and module coding requirements for positions A5 and A9.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnsure watchdog current calculations are completed before integrating multiple repeater paths.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eVerify proper 5 VDC and 24 VDC supply availability before energizing the module.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eRoute watchdog signal wiring separately from high-current power conductors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInspect all backplane and connector interfaces for correct mechanical engagement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerform watchdog path verification and power supply supervision testing after installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":67670543040611,"sku":"10302\/2\/1","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/10302-2-1_2.png?v=1791537836","url":"https:\/\/precisemodule.com\/products\/10302-2-1-honeywell-3400126-watchdog-repeater","provider":"Precise Module Ltd.","version":"1.0","type":"link"}