{"product_id":"honeywell-51401946-100-tdc-3000-main-process-control-motherboard","title":"Honeywell 51401946-100 TDC 3000 Main Process Control Motherboard","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe Honeywell\u003cstrong\u003e 51401946-100\u003c\/strong\u003e functions as the primary Main Process Control Motherboard within Honeywell Distributed Control Systems (DCS). This heavy-duty PC board provides the core backplane connectivity, routes high-speed control data, and distributes regulated power among plugged-in daughter cards and network modules. It anchors the primary processing unit of the automation stack, making it vital for continuous refinery, chemical plant, and utility control loops. We distribute this critical component in\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New, original factory condition\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto eliminate system communication drops and restore legacy DCS chassis computing to peak factory parameters.\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\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eTechnical Specification Profile\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\u003ePart Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e51401946-100\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\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\u003e\u003cstrong\u003eSystem Classification\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDistributed Control System (DCS)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eComponent Type\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eMain Process Control Motherboard \/ PC Board\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eHardware Category\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eDCS Module \/ Board \/ Rack\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003ePhysical Weight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e1.41 lbs (0.64 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eBus Architecture\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eHigh-Speed Deterministic Control Link\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100% Brand New Original\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\u003eEliminates Multilayer Inter-Board Cross-Talk:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003ePrecision traces and heavy copper planes insulate the internal data lines from electromagnetic interference (EMI). This heavy shielding maintains bit-perfect packet delivery even when high-current switching hardware operates adjacent to the DCS rack.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eSimplifies Multi-Card Mechanical Integration:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe board uses tight-tolerance connector slot geometry to guide daughter cards into position perfectly. This precise machining prevents pin misalignment during field card replacements, reducing maintenance times and preventing connector damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eReduces Backplane Thermal Strain:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe low-impedance electrical traces maximize current efficiency across all power distribution pathways. This minimizes localized heat generation on the motherboard surface, protecting the entire rack from thermal degradation in sealed, unventilated enclosures.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eResists Corrosive Industrial Environments:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eHigh-grade conformal coating guards the surface components and copper traces against airborne moisture, chemical particulates, and particulate dust common in harsh processing facilities.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this 51401946-100 motherboard arrive with factory-installed mounting standoffs?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThis 100% brand-new motherboard includes standard integrated chassis ground clips and physical mounting points that match standard Honeywell rack footprints. It does not include separate standalone plastic chassis standoffs; technicians must utilize the existing hardware inside the target enclosure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan this board handle active hot-swapping of the primary processor cards?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. Because this motherboard acts as the main communication backplane and power routing hub for the process controller, cutting power or pulling cards directly from the motherboard during active operations will drop your local control loops. Power down the specific rack frame completely before executing hardware replacement.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat handling precautions prevent static damage during field installation?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eField engineers must keep the board sealed in its anti-static packaging until the exact moment of placement. Before touching the components, attach a calibrated electrostatic discharge (ESD) wrist strap to a verified copper earth ground on the cabinet frame to prevent high-voltage static punctures to the trace layers.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":52899567993141,"sku":"51401946-100","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/51401946-1002.png?v=1779175088","url":"https:\/\/www.5gplc.com\/products\/honeywell-51401946-100-tdc-3000-main-process-control-motherboard","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}