{"product_id":"honeywell-51402797-200-dcs-module-board-rack","title":"Honeywell 51402797-200 DCS Module\/Board\/Rack","description":"\u003cp\u003eConfigured for high-speed network interfacing in TotalPlant Solution (TPS) and TDC 3000 Distributed Control Systems (DCS), the \u003cstrong\u003eHoneywell 51402797-200\u003c\/strong\u003e (\u003cstrong\u003e51402797-200\u003c\/strong\u003e LCNP Card) provides direct physical\/electrical execution. The board serves as the critical hardware link that transforms a standard PC into a Global User Station (GUS) by bridging the PC backplane directly to the coaxial Local Control Network (LCN).\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\u003e\u003cstrong\u003eModel\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e51402797-200\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOrigin\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.24 lbs (0.11 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e215 mm x 159 mm x 125 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e-10 to +55 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VDC nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcessor Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMotorola MC68040\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOnboard Memory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32 MB DRAM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInterface Style\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePCI-based with integrated physical card guide\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eDistributed Control System Interface and Protocol execution\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Protocol Integration\u003c\/strong\u003e: The board coordinates downstream physical data processing by routing commands from the GUS operator environment directly into the LCN coax network, driving field-level analog input\/output modules and multi-drop HART loop transmitters.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePhysical Coaxial Tap Isolation\u003c\/strong\u003e: Features transformer-coupled galvanic isolation for standard redundant LCN coaxial cables, protecting the PC hosting the GUS from common-mode electrical surges and transient electrical spikes on the industrial network bus.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCold Junction Compensation (CJC) Routing\u003c\/strong\u003e: Manages the localized bus bandwidth required to feed real-time cold-junction corrected thermocouple signals from field-terminated I\/O cabinets directly onto the operator workstation screen with sub-millisecond network latency.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What is the mechanical and physical difference between the 51402797-200 and the 51402797-100 LCNP modules?\u003c\/p\u003e\n\u003cp\u003eA: The 51402797-200 model features an integrated hardware card guide assembly and bracket designed for specific PC chassis structures (such as compatible Dell platforms), whereas the 51402797-100 is supplied without the card guide. Both boards share identical electrical and logic processing functions.\u003c\/p\u003e\n\u003cp\u003eQ: Does this card require local external power connections?\u003c\/p\u003e\n\u003cp\u003eA: No. The board derives all operating power directly from the host PC motherboard bus interface. It does not require an external power supply to execute network processing tasks.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStatic Discharge Mitigation\u003c\/strong\u003e: Always wear an ESD grounding wrist strap connected to a verified ground point before removing the card from its static-shielding packaging or handling the internal components of the host PC.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCard Guide Alignment\u003c\/strong\u003e: Ensure the integrated card guide aligns precisely with the guide tracks of the host PC slot. Firmly seat the gold-plated edge connector into the motherboard slot before securing the mounting bracket screws.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCoaxial Cable Connection\u003c\/strong\u003e: Hand-tighten the BNC connectors for LCN cable links A and B. Do not use tools, as over-tightening can crush the physical dielectric insulation of the coaxial cable, causing signal reflection and communication failure.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":48170706927806,"sku":"51402797-200","price":100.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/51402797-200.png?v=1784280713","url":"https:\/\/www.autooiltech.com\/products\/honeywell-51402797-200-dcs-module-board-rack","provider":"AutoOilTech Limited","version":"1.0","type":"link"}