{"product_id":"honeywell-51400667-100-enhanced-lcn-interface-board","title":"Honeywell 51400667-100 Enhanced LCN Interface Board","description":"\u003ch1\u003eHoneywell 51400667-100 Enhanced LCN Interface Board\u003c\/h1\u003e\n\u003cp\u003eThe \u003cstrong\u003eHoneywell 51400667-100\u003c\/strong\u003e Enhanced LCN Interface Board is a communication interface module used within Honeywell TDC 2000 and TDC 3000 Distributed Control Systems. The board provides the connection between processor modules and the Local Control Network (LCN), handling communication and data routing functions that enable coordinated operation across the control system architecture.\u003c\/p\u003e\n\u003ch3\u003eTechnical 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\u003e51400667-100\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\u003eEnhanced LCN Interface Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eTDC 2000, TDC 3000 DCS\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Processors\u003c\/td\u003e\n\u003ctd\u003eHPK2-2, HPK2-3, HMPU\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Function\u003c\/td\u003e\n\u003ctd\u003eProcessor-to-LCN communication and data routing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Location\u003c\/td\u003e\n\u003ctd\u003eStandard Honeywell LCN card cage racks\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard industrial DCS rack card size\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.84-0.91 kg (1.85-2.0 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCooling Method\u003c\/td\u003e\n\u003ctd\u003eForced-air rack ventilation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0 deg C to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eStorage Temperature\u003c\/td\u003e\n\u003ctd\u003e-40 deg C to +85 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95%, non-condensing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eLCN Communication Function\u003c\/h3\u003e\n\u003cp\u003eThe board serves as the communication interface between Honeywell processor modules and the Local Control Network. It facilitates the transfer of operational data, control information, and system messages required for distributed processing within TDC-based control systems.\u003c\/p\u003e\n\u003cp\u003eBy managing communications between processor resources and the LCN infrastructure, the module supports coordinated interaction among controllers, operator stations, application nodes, and other networked system components.\u003c\/p\u003e\n\u003ch3\u003eProcessor Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe 51400667-100 is designed for use with specific Honeywell processor platforms, including:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eHPK2-2 processor modules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHPK2-3 processor modules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eHMPU processor modules\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eCompatibility with the installed processor type should be confirmed when replacing or upgrading existing hardware to ensure proper communication within the TDC system.\u003c\/p\u003e\n\u003ch3\u003eInstallation and System Integration\u003c\/h3\u003e\n\u003cp\u003eThe board is designed for installation in standard Honeywell LCN card cage racks. As part of the LCN infrastructure, it occupies a dedicated rack position and interfaces directly with supported processor assemblies.\u003c\/p\u003e\n\u003cp\u003eBecause communication architecture is critical to system operation, replacement modules should match the original part number and system configuration requirements.\u003c\/p\u003e\n\u003ch3\u003eEnvironmental Characteristics\u003c\/h3\u003e\n\u003cp\u003eThe module is intended for installation in controlled industrial equipment cabinets using standard forced-air rack ventilation. Environmental specifications support operation across a temperature range of 0 deg C to 60 deg C and storage temperatures from -40 deg C to +85 deg C.\u003c\/p\u003e\n\u003cp\u003eThe allowable humidity range of 5% to 95% non-condensing supports operation in typical industrial control room and equipment cabinet environments.\u003c\/p\u003e\n\u003ch3\u003eRole in TDC Systems\u003c\/h3\u003e\n\u003cp\u003eWithin Honeywell TDC architectures, the Enhanced LCN Interface Board functions as a network communication component rather than a control processor. It provides the communication path required for processor modules to exchange information with the Local Control Network and participate in system-wide control, monitoring, and data management activities.\u003c\/p\u003e\n\u003cp\u003eIts position within the communication infrastructure makes proper module selection and compatibility verification important during maintenance and modernization projects.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What is the primary function of the 51400667-100 board?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The board manages communication and data routing between compatible processor modules and the Honeywell Local Control Network (LCN).\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which Honeywell systems support this interface board?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: The module is designed for Honeywell TDC 2000 and TDC 3000 Distributed Control Systems.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Which processor modules can be used with the 51400667-100?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: Documented compatible processors include HPK2-2, HPK2-3, and HMPU processor modules.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does the module require special cooling?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eA: No dedicated cooling hardware is specified. The board is designed to operate with standard forced-air ventilation provided by the DCS rack system.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":67758325858403,"sku":"51400667-100","price":180.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0549\/2775\/3315\/files\/51400997-200.png?v=1789626131","url":"https:\/\/precisemodule.com\/products\/honeywell-51400667-100-enhanced-lcn-interface-board","provider":"Precise Module Ltd.","version":"1.0","type":"link"}