{"product_id":"honeywell-51401291-100-circuit-board","title":"Honeywell 51401291-100 Circuit Board","description":"\u003ch1\u003eHoneywell 51401291-100 Circuit Board\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 51401291-100\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51401291-100\u003c\/strong\u003e Circuit Board, operates as a dedicated hardware component for Local Control Network token-ring protocol execution and data forwarding within Honeywell TDC 3000 Distributed Control System platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eModel\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e51401291-100\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eBrand\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOrigin\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.88 kg\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eDimensions\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eStandard TDC 3000 module form factor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eOperating Temp\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e-20 deg C to +60 deg C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003ePower Consumption\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003ePowered via Universal Station backplane\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eProduct Type\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eLLCN network interface board\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eHumidity Range\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e5% to 95% non-condensing\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003eCertifications\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eUL, CE, CSA\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003e4-20 mA HART Loop Protocol \u0026amp; Channel Isolation\u003c\/h3\u003e\n\u003cp\u003eOperating as a specialized Low-level Local Control Network (LLCN) interface board, the module executes foundational token-ring protocol tasks for physical and link layer data forwarding across the TDC 3000 architecture. It maintains strict electrical isolation and signal conditioning to safeguard communication buses against common-mode noise and ground transients. Designed to operate alongside primary station processor boards, the circuitry ensures deterministic data synchronization and robust telegram integrity throughout the distributed control network.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does the 51401291-100 board integrate processor and memory functions like later K-series interfaces?\u003c\/p\u003e\n\u003cp\u003eA: No, this unit functions as a dedicated, independent network interface board that requires coordination with a separate main processor board within early Universal Station architectures.\u003c\/p\u003e\n\u003cp\u003eQ: Can the network interface board be hot-swapped while the Universal Station is fully energized?\u003c\/p\u003e\n\u003cp\u003eA: Standard industrial maintenance protocols require powering down the station or isolating the respective backplane slot before inserting or removing the board to prevent bus communication faults or component damage.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eObserve strict electrostatic discharge (ESD) precautions, utilizing grounded wrist straps and anti-static mats when handling the circuit board.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInsert the board carefully along the designated chassis guide rails of the Universal Station enclosure, ensuring complete edge connector engagement with the backplane slot.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSecure all mechanical fastening screws and verify network diagnostic indicators upon system startup to confirm proper token-ring communication initialization.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":67716459036771,"sku":"51401291-100","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/51401996-100_1.png?v=1789713270","url":"https:\/\/precisemodule.com\/products\/honeywell-51401291-100-circuit-board","provider":"Precise Module Ltd.","version":"1.0","type":"link"}