{"product_id":"honeywell-51400855-100-distributed-control-system-boards","title":"Honeywell 51400855-100 Distributed Control System Boards","description":"\u003cp\u003eThe \u003cstrong\u003eHoneywell 51400855-100\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003e51400855-100\u003c\/strong\u003e High Performance\/Density PC Board, operates as a dedicated hardware component for localized potential conversion and data processing within Honeywell distributed control system (DCS) subracks. Configured for high-density signal handling, the multi-layered circuit board assembly provides direct physical and electrical execution of system automation routines. It updates data registers natively at the hardware tier to maintain synchronization parallel to main backplane bus communication cycles.\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\u003e51400855-100 (51400855100)\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\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\u003e0.9 kg (1.98 lbs)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e36.6 cm x 36.4 cm x 1.5 cm (Standard high-density module footprint)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C (Standard industrial control room environment baseline)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSourced via internal chassis power distribution bus rails\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCircuit Assembly\u003c\/td\u003e\n\u003ctd\u003eHigh performance \/ high density architectural layout\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eHoneywell TDC 3000 \/ TPS Process Manager chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eDistributed Control System Boards\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; Signal Regulation\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel-to-Channel Isolation and Data Acquisition\u003c\/strong\u003e The 51400855-100 conditions incoming field variables using dedicated, onboard isolation circuits. The high-density infrastructure supports multi-channel parallel sampling, reading physical process variables from connected field networks and mapping the resolved registers straight into the local DCS data blocks with minimal hardware processing lag.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBackplane Bus Communication Velocity and Signal Fidelity\u003c\/strong\u003e The board layout utilizes high-performance traces to route data between the processing components and the chassis bus. This high-density architecture maintains signal fidelity and minimizes processing jitter across the full 0 to 60 deg C operating window, preventing communication latencies from impacting time-critical plant automation loops.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: What specific hardware symptoms occur if the high-density circuit assembly encounters an internal address parity error?\u003c\/p\u003e\n\u003cp\u003eA: The onboard hardware watchdog timer immediately halts data processing, drops the card-healthy bit from its status register, and trips the card fault LED. The board isolates its data lines from the backplane bus to prevent invalid memory registers from corrupting the master processor database.\u003c\/p\u003e\n\u003cp\u003eQ: Can this 0.9 kg high-performance PC board be hot-swapped while the DCS rack is actively modulating live control loops?\u003c\/p\u003e\n\u003cp\u003eA: No. Because this card manages dense signal paths and interfaces directly with the backplane bus, extracting or inserting the module while live can cause voltage transients or arcing across the high-density pin matrix, risking electrical damage to adjacent logic cards.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":47699755761854,"sku":"51400855-100","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0725\/1145\/5422\/files\/screenshot_2026-06-23_15-11-45_fb9ec658-1156-4f5b-9d0a-69c80b83d439.png?v=1782203001","url":"https:\/\/www.autooiltech.com\/ar\/products\/honeywell-51400855-100-distributed-control-system-boards","provider":"AutoOilTech Limited","version":"1.0","type":"link"}