{"product_id":"s9971db-0-yokogawa-centum-vp-cpu-backup-power-card","title":"S9971DB-0 Yokogawa | CENTUM VP CPU Backup Power Card","description":"\u003ch3\u003eProduct Overview\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa S9971DB-0\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003efunctions as a high-integrity power distribution and management interface for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCENTUM VP\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eand\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCS 3000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eDistributed Control Systems. This module manages regulated 24V DC power delivery to critical system processors (CPUs) and high-density I\/O clusters. We supply this unit as\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New and Original\u003c\/strong\u003e, ensuring your control architecture utilizes factory-certified hardware to maintain zero-latency logic execution and system-wide fault tolerance.\u003c\/p\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eManufacturer\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYokogawa Electric Corporation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eModel Number\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eS9971DB-0\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eInput Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e100–240 V AC, 50\/60 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Voltage\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e24 V DC (Regulated)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOutput Power\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e~240 Watts\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eEfficiency\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e≥ 85%\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eProtection Features\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eOver-voltage, Over-current, Short-circuit protection\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eCooling Method\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eNatural convection (Fanless design)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eRedundancy Support\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eYes, supports dual redundant operation\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eOperating Temp\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0 to 55 °C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eDimensions\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e2.5 cm x 12.7 cm x 20.3 cm (1.0 x 5.0 x 8.0 in)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003e0.8 kg (1.76 lbs)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch3\u003eEngineering Advantages\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHigh-Capacity Power Routing:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe S9971DB-0 delivers a robust\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e240W output\u003c\/strong\u003e, providing sufficient current to sustain multiple high-performance CPU cards and communication modules. This high power density allows engineers to maximize rack utilization without compromising electrical stability.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eRedundant Failover Protection:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThis module supports active-active redundancy. In the event of a primary power feed interruption, the redundant partner assumes the full electrical load instantaneously. This seamless transition prevents CPU resets and eliminates unplanned downtime in continuous process industries.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eFanless Maintenance-Free Reliability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eThe natural convection cooling design removes the requirement for mechanical fans—the most frequent failure point in industrial electronics. This design prevents the intake of corrosive airborne contaminants, extending the service life of the internal capacitors and power transistors.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eHot-Swap Maintainability:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eTechnicians can replace the S9971DB-0 while the system remains live (provided a redundant pair exists). This capability allows for hardware updates or repairs without stopping the DCS logic or interrupting plant production.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIntegrated Fault Safeguards:\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eAdvanced over-voltage and short-circuit protection circuits shield expensive downstream I\/O cards from electrical transients. The module isolates faults at the distribution level, ensuring local electrical issues do not propagate to the main system backplane.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eFAQs\u003c\/h3\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eCan the S9971DB-0 operate with 110V or 220V AC input?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYes. The wide-range input circuitry automatically accepts\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100V to 240V AC\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003e(50\/60 Hz), making it suitable for global industrial grids without the need for manual voltage switching.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eIs the S9971DB-0 interchangeable with third-party PLC power supplies?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eNo. This module features a proprietary form factor and connector pinout designed specifically for\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eYokogawa CENTUM VP\/CS 3000\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eracks. Attempting to use this with third-party hardware may result in permanent damage.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhy should I choose \"Brand New\" instead of \"Pre-owned\" for a power card?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003ePower distribution modules contain electrolytic capacitors that dry out over time, even when the unit is in storage. Used units carry a high risk of failure due to thermal stress from previous installations. A\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003e100% Brand New\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eS9971DB-0 guarantees the full design lifecycle and meets factory-certified MTBF (Mean Time Between Failures) ratings.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cstrong\u003eWhat are the grounding requirements for this module?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eYokogawa requires proper chassis grounding to the rack frame to ensure effective electromagnetic interference (EMI) suppression. Follow the CENTUM installation manual to ensure the module meets the low-impedance grounding path required for industrial fault protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":43224990777434,"sku":"S9971DB-0","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0710\/5957\/0778\/files\/224._f55f338f-e8d0-46d2-b337-d4363bb4314f.jpg?v=1776393266","url":"https:\/\/www.spareoil.com\/products\/s9971db-0-yokogawa-centum-vp-cpu-backup-power-card","provider":"SpareOil Automation","version":"1.0","type":"link"}