{"product_id":"yokogawa-cp81b-c-processor-card","title":"Yokogawa CP81B*C Processor Card","description":"\u003cp\u003eConfigured for high-speed logic execution and central task processing in Yokogawa MOPs architectures, the \u003cstrong\u003eYokogawa CP81B*C\u003c\/strong\u003e (\u003cstrong\u003eCP81B\u003c\/strong\u003e Processor Card) provides direct physical\/electrical execution.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCP81B\u003c\/strong\u003e: Base processor card hardware platform for Multi-Function Operations Processor Systems.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e*C\u003c\/strong\u003e: Revision or regional hardware suffix indicating specific backplane circuit and board component revision level.\u003c\/li\u003e\n\u003c\/ul\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\u003eCP81B*C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eJapan\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Supply\u003c\/td\u003e\n\u003ctd\u003e24 VDC +\/-10%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCurrent Consumption\u003c\/td\u003e\n\u003ctd\u003e1.0 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWithstanding Voltage\u003c\/td\u003e\n\u003ctd\u003e1000 V AC per min (power terminals to ground)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eIsolation Resistance\u003c\/td\u003e\n\u003ctd\u003eMinimum 100 Mohm (500 V DC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e17.8 cm x 5.1 cm x 33.0 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003eApprox. 0.9 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 50 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNominal 24 W (24 VDC at 1.0 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProgramming Language\u003c\/td\u003e\n\u003ctd\u003eObject ladder language\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eControl Mode\u003c\/td\u003e\n\u003ctd\u003eRepetitive operation based on stored programs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eI\/O Control Mode\u003c\/td\u003e\n\u003ctd\u003eDirect I\/O instruction refresh\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFan Failure Alarm\u003c\/td\u003e\n\u003ctd\u003eContact output open on fan failure (Max. 30 VDC, 300 mA)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eYokogawa Channel-to-Channel Isolation \u0026amp; Bus Communications\u003c\/h3\u003e\n\u003cp\u003eThe CP81B*C processor card integrates internal isolation barriers maintaining over 100 Mohm insulation resistance between power terminals and ground, alongside 1000 V AC dielectric isolation. This structural design isolates the central processor logic from field-side voltage spikes and common-mode noise. Direct I\/O refresh instructions bypass peripheral scan latencies, facilitating high-speed data acquisition and deterministic field signal processing across 4-20 mA HART loop protocol interfaces and distributed DCS nodes.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the CP81B*C signal cooling system degradation to external monitoring hardware?\u003c\/p\u003e\n\u003cp\u003eA: The card includes a dedicated dry contact alarm output rated up to 30 VDC at 300 mA, which opens automatically if an internal cooling fan fault occurs.\u003c\/p\u003e\n\u003cp\u003eQ: What power input range is required for stable execution of the CP81B*C logic engine?\u003c\/p\u003e\n\u003cp\u003eA: The board operates on a nominal 24 VDC supply with an allowable input voltage tolerance of +\/-10%, drawing 1.0 A under standard operating loads.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eInsert the CP81B*C processor card vertically into its assigned rack slot, ensuring the backplane connectors align perfectly before pushing firmly to lock the card into position. Tighten top and bottom faceplate thumb screws to establish protective frame earth grounding and mechanical retention against vibration. Connect dedicated 24 VDC power wiring to the terminal block using correct wire gauges, and route external fan alarm contact leads away from high-voltage AC lines to prevent induced electrical noise.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":53317014126901,"sku":"CP81B*C","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/CP81BC1.png?v=1787041297","url":"https:\/\/www.5gplc.com\/products\/yokogawa-cp81b-c-processor-card","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}