{"product_id":"yokogawa-mdk1-b-centum-vp-cpu-control-card","title":"Yokogawa MDK1*B CENTUM VP CPU Control Card","description":"\u003ch2\u003eYokogawa MDK1*B Control Processor Module\u003c\/h2\u003e\n\u003cp\u003eConfigured for high-speed network integration in industrial automation environments, the \u003cstrong\u003eYokogawa MDK1*B\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eMDK1\u003c\/strong\u003e Control Processor Module, provides direct physical\/electrical execution to run complex control strategies. The board functions as the central processing unit within field control units, executing regulatory, sequence, and batch control logic directly over the internal system backplane.\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\u003eMDK1*B\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\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e0.35 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e120 mm x 25 mm x 130 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e0 to 60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003e7.5 W (calculated from 5 VDC, ~1.5 A)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCard Type\u003c\/td\u003e\n\u003ctd\u003eControl Processor Module \/ Printed Circuit Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProcessor Architecture\u003c\/td\u003e\n\u003ctd\u003e32-bit RISC CPU (~200 MHz clock speed)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMain Memory\u003c\/td\u003e\n\u003ctd\u003e64 MB (battery-backed, retains data during power loss)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Backup Duration\u003c\/td\u003e\n\u003ctd\u003eUp to 72 hours (recharge time ~48 hours)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSystem Compatibility\u003c\/td\u003e\n\u003ctd\u003eCENTUM VP, CS 3000\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCommunication Protocols\u003c\/td\u003e\n\u003ctd\u003eVnet\/IP, ESB bus, ER bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eElectrical Isolation\u003c\/td\u003e\n\u003ctd\u003e1500 VAC (system-to-bus, 1 min)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eHumidity Range\u003c\/td\u003e\n\u003ctd\u003e5 to 95% RH (non-condensing)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eProcess Control \u0026amp; System Bus Performance\u003c\/h3\u003e\n\u003cp\u003eThe module coordinates multi-layer network topologies by integrating field control unit processors with Vnet\/IP, ESB bus, and ER bus architectures. To prevent field-side voltage spikes from damaging the internal processing circuits, the hardware maintains a 1500 VAC galvanic isolation barrier between the system logic and the communication bus. The 32-bit RISC CPU handles deterministic arithmetic operations, drawing from 64 MB of volatile main memory sustained by a 72-hour battery backup unit during primary supply interruptions. Real-time system health parameters register through channel-to-channel monitoring paths, displaying runtime states via dedicated front-panel LEDs for RUN, FAIL, and active communication routines.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: How does the MDK1*B maintain data integrity during a total power disruption on the 5 VDC rack supply?\u003c\/p\u003e\n\u003cp\u003eA: The processor uses an onboard battery backup circuit to supply power to the 64 MB volatile main memory array when external operating power drops. The circuit retains stored regulatory parameters and batch configurations for up to 72 hours, recharging fully within 48 hours once primary rack power returns.\u003c\/p\u003e\n\u003cp\u003eQ: What are the functional outcomes if a single processor module fails in a dual-redundant configuration?\u003c\/p\u003e\n\u003cp\u003eA: The dual-redundant architecture pairs two identical CPU cards across the backplane bus. If the primary online unit encounters a hardware fault or triggers the front-panel FAIL LED indicator, the secondary card executes a bumpless takeover of all regulatory loops and batch logic within a single execution cycle, preventing control dropouts.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eChassis Integration Alignment:\u003c\/strong\u003e Direct the card assembly into the specified field control unit rack slot using the top and bottom chassis guides. Push the module firmly until the multi-layer backplane connector seats completely into the mating bus receptacle, then tighten all physical lock screws to stop vibration-induced contact failure.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Connection Check:\u003c\/strong\u003e Verify that the onboard memory backup battery jumper is set to the active position prior to sliding the card into the enclosure chassis. Installing the processor card with a disconnected battery loop disables memory retention features during unpowered states.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring Duct Layout:\u003c\/strong\u003e Segregate all Vnet\/IP and ESB bus communication cables from internal high-voltage AC distribution paths inside the cabinet. Keep a clear distance of at least 30 cm between signal wires and power leads to reduce electromagnetic noise coupling on the deterministic processor bus.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43667994968154,"sku":"MDK1*B","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/579..jpg?v=1784255822","url":"https:\/\/www.spareoil.com\/ar\/products\/yokogawa-mdk1-b-centum-vp-cpu-control-card","provider":"SpareOil Automation","version":"1.0","type":"link"}