{"product_id":"honeywell-k4lcn4-51305099-100-lcn-processor-interface-board","title":"Honeywell K4LCN4 51305099-100 LCN Processor Interface Board","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51305099-100\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51305099\u003c\/strong\u003e (K4LCN4) LCN Processor Interface Board, operates as a dedicated hardware component for high-speed local control network processing and system bus management within Honeywell TDC 3000 Local Control Network (LCN) architectures.\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\u003eModel\u003c\/td\u003e\n\u003ctd\u003e51305099-100 (K4LCN4)\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\u003eBase Model\u003c\/td\u003e\n\u003ctd\u003e51305099\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eLCN Processor Interface Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.90 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard LCN card file slot form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003ePowered via backplane bus (+5 VDC \/ +12 VDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Architecture\u003c\/td\u003e\n\u003ctd\u003eHoneywell TDC 3000 \/ LCN Network Nodes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRevision \/ Marking\u003c\/td\u003e\n\u003ctd\u003eRev B \/ B7260\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eChannel-to-Channel Isolation and Bus Signal Integrity\u003c\/h3\u003e\n\u003cp\u003eThe 51305099-100 K4LCN4 board executes real-time token-passing protocol communications across redundant TDC 3000 Local Control Network coaxial cable drops. Designed to interface directly with distributed process node controllers managing 4-20 mA HART loop protocol I\/O and FOUNDATION Fieldbus sub-networks, the module utilizes transformer-isolated transceiver logic. This channel isolation structure eliminates ground loop currents between interconnected control racks, suppresses common-mode noise, and prevents external line transients from corrupting internal backplane data transfers.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Is the 51305099-100 board backwards compatible with earlier K4LCN card file revisions?\u003c\/p\u003e\n\u003cp\u003eA: Yes, the K4LCN4 variant maintains backward slot compatibility across standard TDC 3000 LCN node card files while providing enhanced board-level timing stability.\u003c\/p\u003e\n\u003cp\u003eQ: Can this processor interface board be replaced online while the LCN node is powered?\u003c\/p\u003e\n\u003cp\u003eA: No, online removal or insertion without executing a controlled node failover or powering down the target slot can disrupt token passing across the active LCN bus and interrupt node communications.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eESD Precautions:\u003c\/strong\u003e Wear a grounded wrist strap connected to the cabinet frame before handling the board to protect static-sensitive CMOS logic components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMechanical Alignment:\u003c\/strong\u003e Slide the board smoothly along the chassis card slot guide rails until the rear edge connectors interface with the backplane plane.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEjector Locking:\u003c\/strong\u003e Seat the board by pressing both upper and lower faceplate ejector levers flush until they latch firmly in place.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCable Strain Relief:\u003c\/strong\u003e Ensure BNC coaxial cable connections and ribbon interconnects are secured and routed through cable management channels to prevent mechanical tension on the faceplate connectors.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":53581793263925,"sku":"51305099-100","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/51304848-100_Cocoai_1603873c-4094-41d5-8f2a-628b062414f5.png?v=1789442147","url":"https:\/\/www.5gplc.com\/products\/honeywell-k4lcn4-51305099-100-lcn-processor-interface-board","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}