{"product_id":"yokogawa-s9971db-0-cpu-backup-battery-module","title":"Yokogawa S9971DB-0 CPU backup battery module","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eThe\u003cstrong\u003e Yokogawa S9971DB-0\u003c\/strong\u003e is a dependable CPU backup battery module designed for long-term operation in Yokogawa control systems. It maintains controller memory during power interruptions, ensuring stable plant operation and accurate process recovery. Moreover, it supports continuous data retention in demanding industrial environments, which helps engineers protect critical configurations without intervention.\u003c\/span\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch2\u003e\n\u003cstrong\u003eTechnical Specifications\u003c\/strong\u003e\u003cstrong\u003e\u003c\/strong\u003e\n\u003c\/h2\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr class=\"firstRow\"\u003e\n\u003cth\u003eParameter\u003c\/th\u003e\n\u003cth\u003eSpecification\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\u003eYokogawa S9971DB-0\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCPU Backup Battery Module\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFunction\u003c\/td\u003e\n\u003ctd\u003eMemory backup during power loss \/ power interruption\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatibility\u003c\/td\u003e\n\u003ctd\u003eYokogawa S-series and related controller CPUs \/ DCS CPU units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e3.6 V DC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Type\u003c\/td\u003e\n\u003ctd\u003eLithium-based industrial battery cell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Chemistry\u003c\/td\u003e\n\u003ctd\u003eLithium metal \/ Lithium-ion variant (industrial grade)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Capacity (typical)\u003c\/td\u003e\n\u003ctd\u003eAround 1700 mAh (depends on battery cell version; verify with batch data)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBackup Duration\u003c\/td\u003e\n\u003ctd\u003eLong-term memory retention (typically weeks to months, depending on CPU load and memory size)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e0°C to +60°C standard; storage: –20°C to +70°C (recommended)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRelative Humidity\u003c\/td\u003e\n\u003ctd\u003e5% to 95% non-condensing (when installed in suitable enclosure)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting Method\u003c\/td\u003e\n\u003ctd\u003ePlug-in module \/ direct insertion into CPU module slot\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (approx.)\u003c\/td\u003e\n\u003ctd\u003e~ [refer to Yokogawa CPU manual for exact module size]\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight (approx.)\u003c\/td\u003e\n\u003ctd\u003e~ 50–100 grams (lightweight module)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaintenance\u003c\/td\u003e\n\u003ctd\u003eField-replaceable; recommended replacement every 3–5 years or based on discharge profile\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf Life (uninstalled)\u003c\/td\u003e\n\u003ctd\u003eUp to 2 years if stored under recommended conditions (cool, dry, controlled)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSafety Features\u003c\/td\u003e\n\u003ctd\u003eInternal over-discharge protection, stable lithium chemistry, sealed module enclosure\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompliance \/ Standards\u003c\/td\u003e\n\u003ctd\u003eDesigned for industrial control environments; complies with Yokogawa specifications and industrial safety guidelines\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch2 data-end=\"3146\" data-start=\"2907\"\u003e\u003cstrong data-end=\"2930\" data-start=\"2907\"\u003eFAQ \u003c\/strong\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eQ1: How long does the Yokogawa S9971DB-0 battery typically last?\u003c\/strong\u003e\u003cbr\u003eIt usually delivers 3 to 5 years of service life, depending on operating temperature and CPU load.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ2: Can the module be replaced without removing the controller?\u003c\/strong\u003e\u003cbr\u003eYes, technicians can replace it during scheduled maintenance with minimal disruption.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ3: What systems are compatible with this battery module?\u003c\/strong\u003e\u003cbr\u003eIt is designed for Yokogawa control CPUs within S-series and related DCS platforms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ4: Does the battery protect all CPU memory during power loss?\u003c\/strong\u003e\u003cbr\u003eYes, it preserves essential configuration and operational data until main power returns.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ5: Is the S9971DB-0 suitable for high-temperature environments?\u003c\/strong\u003e\u003cbr\u003eIt performs reliably within its rated 0°C to 60°C temperature range.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":44119973232755,"sku":"S9971DB-0","price":233.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0644\/4348\/2227\/files\/YokogawaS9971DB-0CPUbackupbatterymodule.jpg?v=1764550745","url":"https:\/\/www.dcssupplier.com\/products\/yokogawa-s9971db-0-cpu-backup-battery-module","provider":"DcsSupplier Limited","version":"1.0","type":"link"}