{"product_id":"cp451-51-s2-yokogawa-cpu-module-new-original-stock","title":"CP451-51 S2 YOKOGAWA CPU Module New \u0026 Original Stock","description":"\u003cp\u003eThe \u003cstrong\u003eYOKOGAWA CP451-51S2\u003c\/strong\u003e, also cataloged as the \u003cstrong\u003eCP451-51\u003c\/strong\u003e CPU Module, operates as a dedicated hardware component for real-time monitoring and control logic execution within distributed control system platforms.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd data-row=\"1\"\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"2\"\u003eModel\u003c\/td\u003e\n\u003ctd data-row=\"2\"\u003eCP451-51S2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"3\"\u003eBrand\u003c\/td\u003e\n\u003ctd data-row=\"3\"\u003eYOKOGAWA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"4\"\u003eOrigin\u003c\/td\u003e\n\u003ctd data-row=\"4\"\u003eRefer to documentation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"5\"\u003eWeight\u003c\/td\u003e\n\u003ctd data-row=\"5\"\u003e0.3 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"6\"\u003eDimensions\u003c\/td\u003e\n\u003ctd data-row=\"6\"\u003e10.2 cm x 3.8 cm x 10.2 cm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"7\"\u003eOperating Temp\u003c\/td\u003e\n\u003ctd data-row=\"7\"\u003e-25 deg C to +70 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"8\"\u003ePower Consumption\u003c\/td\u003e\n\u003ctd data-row=\"8\"\u003e24 VDC (+10%)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"9\"\u003eProcessor Speed\u003c\/td\u003e\n\u003ctd data-row=\"9\"\u003e20 MHz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd data-row=\"10\"\u003eMemory\u003c\/td\u003e\n\u003ctd data-row=\"10\"\u003e32 KB RAM, 16 KB Flash\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eProcess Control Connectivity\u003c\/h3\u003e\n\u003cp\u003eThe CP451-51S2 is engineered to maintain high-fidelity data acquisition and control signal distribution. The module supports RS-485 communication protocols, allowing for reliable serial data exchange between the controller and peripheral field instrumentation. To ensure signal integrity, the architecture employs channel-to-channel isolation, which is critical for suppressing common-mode electromagnetic interference in complex automation networks. By maintaining strict voltage regulation—converting input 24 VDC to internal 5 VDC logic levels—the module ensures stable performance of its integrated processor and memory arrays across fluctuating industrial supply conditions.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Does this module support hot-swapping during system operation?\u003c\/p\u003e\n\u003cp\u003eA: Hot-swapping is restricted based on the specific controller rack and backplane power distribution design. Ensure the module is in an offline or standby state before removal to prevent control bus faults.\u003c\/p\u003e\n\u003cp\u003eQ: How should the RS-485 termination be handled?\u003c\/p\u003e\n\u003cp\u003eA: Proper termination is required at the end of the serial bus line to prevent signal reflections. Use an appropriate resistor as specified in the system communication manual to ensure data transmission stability.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eIsolate the cabinet power supply before installation to protect the module's internal circuitry from electrical surges during pin engagement.\u003c\/li\u003e\n\u003cli\u003eAlign the module chassis precisely with the backplane guide rails to avoid lateral stress on the rear-mounted connectors.\u003c\/li\u003e\n\u003cli\u003eSecure the front locking tabs firmly to ensure the module maintains continuous contact with the backplane grounding system.\u003c\/li\u003e\n\u003cli\u003eMaintain appropriate cable routing, keeping RS-485 data lines physically separated from high-current power conduits to minimize electromagnetic interference.\u003c\/li\u003e\n\u003cli\u003eVerify that ambient cabinet temperature does not exceed the specified operating range of +70 deg C to prevent processor thermal throttling.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49131533664508,"sku":"SCP451-51 S2","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/SCP451-11_S1.jpg?v=1779673749","url":"https:\/\/www.electronicplc.com\/ar\/products\/cp451-51-s2-yokogawa-cpu-module-new-original-stock","provider":"Electronic PLC","version":"1.0","type":"link"}