{"product_id":"honeywell-51401551-300-high-performance-processor-board","title":"Honeywell 51401551-300 High Performance Processor Board","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51401551-300\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51401551-300\u003c\/strong\u003e Processor Board, operates as a dedicated hardware component for high-density logic processing and communication execution within legacy Honeywell distributed control systems. It executes centralized control strategies and network data routing natively at the backplane tier to maintain complex process automation parallel to master control network platforms.\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\u003e51401551-300 (51401551300)\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\u003eSub-Assembly Identifier\u003c\/td\u003e\n\u003ctd\u003eK2LCN-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUnited States\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e2.16 lbs (Approx. 0.98 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard high-density PC board layout parameters\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003eStandard controller rack environmental tolerances\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eRegulated by backplane DC logic bus configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh Performance\/Density Processor Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCategory\u003c\/td\u003e\n\u003ctd\u003ePLCs \/ Machine Control \/ PC Board PLC \/ Add-On Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLifecycle Status\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; DCS Instrumentation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e4-20 mA HART Loop Protocol Calculations:\u003c\/strong\u003e The board executes high-velocity calculations on incoming digitized process loops. By resolving engineering unit conversions locally on the microprocessor, it guarantees that multi-channel 4-20 mA HART loop protocol parameters are processed and written to database tables within deterministic scan windows.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFOUNDATION Fieldbus \/ Profibus PA Connectivity Interface:\u003c\/strong\u003e Integrated network protocol layers enable structural synchronization with remote field junction segments. The hardware acts as a high-density processing node, aligning fieldbus variables across upstream communication pipelines without data packet loss.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation Diagnostic Verification:\u003c\/strong\u003e The onboard bus interfaces are designed with galvanic boundaries to maintain operational integrity. This architecture prevents common-mode noise propagation from breaching the backplane lines, supporting system-wide channel-to-channel isolation requirements.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What technical processing behavior manifests if the K2LCN-3 processor board encounters an unrecoverable logic trap error?\u003c\/p\u003e\n\u003cp\u003eA: The onboard hardware watchdog timer trips instantly, dropping the system into a fail-safe backup initialization routine. It sets a fatal-fault register state flag across the backplane bus, enabling a redundant peer processor module to assume control over the active network node within millisecond margins.\u003c\/p\u003e\n\u003cp\u003eQ: Can this 2.16 lbs add-on board be extracted or inserted while the primary control chassis backplane power rails are fully energized?\u003c\/p\u003e\n\u003cp\u003eA: No. The internal edge connector pins do not possess staggered lengths optimized for live hot-swapping. Extracting the processor card while under active electrical load can induce transient arc conditions, causing physical bus trace degradation and potential register corruption across adjoining memory chips.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Layout Alignment, Clearance Constraints, and Mechanical Seating:\u003c\/strong\u003e Isolate all primary chassis power feeds, disconnect any network communication drops, and verify that an anti-static electrostatic discharge (ESD) wrist strap is bonded to an earth ground prior to installation. Align the PC board edge tracks evenly with the targeted chassis slot guides, pushing the unit firmly straight back until the rear connector seats completely and the faceplate retention fasteners are fully locked against ambient equipment vibration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConductor Separation, Wireway Constraints, and Shield Grounding:\u003c\/strong\u003e Route all external low-voltage connection cables inside dedicated wireways separate from high-potential AC lines or motor variable frequency drive lines to prevent inductive noise injection. Ter\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":47750495011006,"sku":"51401551-300","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-06-25_15-18-02_ec6abb0c-622d-4838-84af-ee7a89665b28.png?v=1782373863","url":"https:\/\/www.autooiltech.com\/products\/honeywell-51401551-300-high-performance-processor-board","provider":"AutoOilTech Limited","version":"1.0","type":"link"}