{"product_id":"yokogawa-s9883fa-cpu-backup-battery","title":"Yokogawa S9883FA CPU Backup Battery","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eS9883FA\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eis a high-capacity lithium thionyl chloride (Li-SOCl₂) backup battery designed for use with Yokogawa Electric Corporation control platforms, including STARDOM FCN\/FCJ controllers and select legacy RTU processor modules.\u003c\/p\u003e\n\u003cp\u003eThis battery safeguards\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eCMOS memory, runtime variables, and the real-time clock (RTC)\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eduring primary power interruptions. Engineered for industrial reliability, it provides a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003estable discharge voltage and extremely low self-discharge rate\u003c\/strong\u003e, making it ideal for remote or unmanned installations where long-term data retention is critical.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eTechnical Specifications \u0026amp; Performance Data\u003c\/h3\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\u003eS9883FA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBattery Chemistry\u003c\/td\u003e\n\u003ctd\u003eLithium Thionyl Chloride (Li-SOCl₂)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNominal Voltage\u003c\/td\u003e\n\u003ctd\u003e3.6 V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary Application\u003c\/td\u003e\n\u003ctd\u003eCMOS memory backup \u0026amp; RTC retention\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTermination Type\u003c\/td\u003e\n\u003ctd\u003ePolarized lead wire with keyed Yokogawa-specific connector\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Systems\u003c\/td\u003e\n\u003ctd\u003eSTARDOM FCN\/FCJ Controllers \u0026amp; select RTU CPU modules\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temperature\u003c\/td\u003e\n\u003ctd\u003e-40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eShelf Life\u003c\/td\u003e\n\u003ctd\u003e10 years (storage dependent)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eIntegrated holder or adhesive mount inside CPU chassis\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003ch3\u003eSystem Integration \u0026amp; Maintenance\u003c\/h3\u003e\n\u003cp\u003eThe S9883FA plays a critical role in autonomous\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eField Control Nodes (FCN)\u003c\/strong\u003e. Without a functional backup battery, loss of primary power may result in:\u003c\/p\u003e\n\u003cul class=\"list-paddingleft-2\"\u003e\n\u003cli\u003e\n\u003cp\u003eLoss of application program stored in SRAM\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eReset of real-time clock\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eLoss of runtime or temporary historical data\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFor preventive maintenance, engineers typically replace the battery\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ebefore the “Battery Low” LED indicator activates\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eon the controller front panel. Scheduled replacement minimizes the risk of unexpected data loss.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs the S9883FA rechargeable?\u003c\/strong\u003e\u003cbr\u003eNo. It is a\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003eprimary (non-rechargeable) lithium battery\u003c\/strong\u003e. Attempting to recharge it can cause leakage, overheating, or damage to the controller PCB.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan it be replaced while the controller is powered?\u003c\/strong\u003e\u003cbr\u003eYes. It is recommended to replace the battery\u003cspan\u003e \u003c\/span\u003e\u003cstrong\u003ewhile the CPU remains powered\u003c\/strong\u003e\u003cspan\u003e \u003c\/span\u003eto prevent any temporary loss of memory during the swap process.\u003c\/p\u003e","brand":"YOKOGAWA","offers":[{"title":"Default Title","offer_id":51796690010424,"sku":"S9883FA","price":188.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0893\/1616\/3896\/files\/S9883FA.jpg?v=1770966548","url":"https:\/\/www.automodulexpert.com\/bg\/products\/yokogawa-s9883fa-cpu-backup-battery","provider":"AutoModuleXpert Ltd.","version":"1.0","type":"link"}