{"product_id":"yokogawa-cp461-51-s2-centum-vp-control-processor-module","title":"Yokogawa CP461-51 S2 CENTUM VP Control Processor Module","description":"\u003ch2\u003eYokogawa CP461-51 S2 CENTUM Control Processor Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for real-time control logic execution and process data processing in Field Control Units (FCUs), the \u003cstrong\u003eYokogawa CP461-51 S2\u003c\/strong\u003e (\u003cstrong\u003eCP461\u003c\/strong\u003e Control Processor Module) provides direct physical and electrical execution of DCS control loops across CENTUM VP and CS 3000 platforms. The hardware coordinates high-speed signal flow through dual-redundant Vnet\/IP network interfaces to prevent control loop interruption. Integrated battery-backed main memory retains process state data for up to 72 hours during power outages, while strict backplane bus isolation isolates sensitive central processing logic from field transients.\u003c\/p\u003e\n\u003ch3\u003eSuffix Breakdown \u0026amp; Model Matrix\u003c\/h3\u003e\n\u003cp\u003eThe suffix structure of the CP461 processor module indicates specific functional capabilities and hardware revisions:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBase Model (CP461):\u003c\/strong\u003e Standard CENTUM series high-speed central processing unit card architecture.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFirst Suffix (-51):\u003c\/strong\u003e Designates enhanced environmental resistance options and specific board-level hardware assembly configurations.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecond Suffix (S2):\u003c\/strong\u003e Specifies the hardware revision level and firmware compatibility baseline.\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\u003eCP461-51 S2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eYokogawa Electric Corporation\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.70 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e199.5 mm x 146.5 mm x 16.4 mm\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\u003e15 W maximum\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSeries\u003c\/td\u003e\n\u003ctd\u003eCENTUM VP \/ CENTUM CS 3000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Type\u003c\/td\u003e\n\u003ctd\u003eDistributed Control System (DCS)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eCompatible Field Control Unit (FCU) chassis slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNetwork Protocol\u003c\/td\u003e\n\u003ctd\u003eDual-redundant Vnet\/IP control bus protocol\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMemory Backup\u003c\/td\u003e\n\u003ctd\u003eBattery backup holding main memory for up to 72 hours\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Recharge Time\u003c\/td\u003e\n\u003ctd\u003e48 hours minimum for full capacity\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 Features\u003c\/h3\u003e\n\u003cp\u003eThe CP461-51 S2 interfaces directly with field I\/O racks over deterministic Vnet\/IP control loops. Channel-to-channel isolation circuits suppress ground potential differences across field wiring barriers. The processor card continuously calculates cold junction compensation values for temperature loops and processes 4-20 mA HART instrumentation data without degrading scan cycles. Operating in dual-redundant pairs, the card synchronizes internal memory structures across the backplane bus to ensure seamless failover during hardware fault conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can an engineer mix a CP461-51 S2 module with a CP471 processor in a dual-redundant processor pair?\u003c\/p\u003e\n\u003cp\u003eA: Engineers must never mix CP461 and CP471 modules within the same dual-redundant processor slot pair. Both slots in a redundant Field Control Unit require identical processor model numbers and matching hardware revision codes to enable memory synchronization and automatic failover functions.\u003c\/p\u003e\n\u003cp\u003eQ: How long does the internal backup battery maintain main memory during a total power disruption?\u003c\/p\u003e\n\u003cp\u003eA: The onboard backup system preserves main memory contents for up to 72 hours following a complete power loss. After external power restoration, the system requires a minimum 48-hour continuous recharge cycle to return the battery to full backup capacity.\u003c\/p\u003e\n\u003cp\u003eQ: What is the procedure for replacing a failed CP461-51 S2 in an active redundant system?\u003c\/p\u003e\n\u003cp\u003eA: Technicians can pull the faulted module from its slot while the backup module continues process execution without interruption. Inserting the replacement CP461-51 S2 into the backplane triggers an automatic state copy, copying memory tables and aligning firmware states before re-establishing redundant backup mode.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cp\u003eSlide the CP461-51 S2 vertically along the card guides of the assigned Field Control Unit slot until the rear backplane connectors align. Apply steady inward pressure on the front panel faceplate to lock the card into the backplane socket, then tighten the upper and lower retaining screws to a torque of 0.5 Nm. Ensure the cabinet earth ground connects directly to the system ground bus with a heavy copper conductor having a path resistance below 1 Ohm. Route all Vnet\/IP network communications cabling in dedicated wire ducts, maintaining a minimum clearance of 200 mm from high-voltage AC lines to prevent signal distortion.\u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":67676846719075,"sku":"CP461-51-S2","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0583\/5246\/8067\/files\/345._621217ad-096d-44cc-a209-474db8ac6453.jpg?v=1791616339","url":"https:\/\/www.autocontrolglobal.com\/products\/yokogawa-cp461-51-s2-centum-vp-control-processor-module","provider":"AutoControl Global","version":"1.0","type":"link"}