{"product_id":"yokogawa-s9883fa-cpu-battery","title":"Yokogawa S9883FA CPU Battery","description":"\u003cp\u003eConfigured for volatile memory maintenance in Yokogawa RTU and controller CPU modules, the \u003cstrong\u003eYokogawa S9883FA\u003c\/strong\u003e (\u003cstrong\u003eS9883FA\u003c\/strong\u003e Battery Component) provides direct physical execution of long-term data retention and clock synchronization during power loss events.\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\u003eS9883FA\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\u003e0.1 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eStandard button\/cell pack format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-20 deg C to +60 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eNot applicable (Primary battery)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage Output\u003c\/td\u003e\n\u003ctd\u003eStandard lithium chemistry voltage\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eCPU board memory backup\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eMemory Backup and Volatile Data Retention\u003c\/h3\u003e\n\u003cp\u003eThe S9883FA serves as the primary energy source for maintaining the CMOS\/RAM status of the CPU module when the main system power is removed. This ensures the persistence of critical system configuration parameters, diagnostic logs, and Real-Time Clock (RTC) tracking. The high-energy-density lithium chemistry is selected to provide a low self-discharge rate, optimizing the lifespan of the battery within the industrial rack-mounted control station. Proper installation maintains the integrity of internal logic states, preventing the need for manual program reloading upon system restart.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions (FAQ)\u003c\/h3\u003e\n\u003cp\u003eQ: What is the estimated operational life of the S9883FA battery?\u003c\/p\u003e\n\u003cp\u003eA: The service life depends on the total duration of system power-off states; however, under normal operating conditions where the controller is powered, the battery is designed for several years of shelf and standby life.\u003c\/p\u003e\n\u003cp\u003eQ: Is the battery hot-swappable while the system is under power?\u003c\/p\u003e\n\u003cp\u003eA: Yes, in most Yokogawa controller architectures, the battery can be replaced while the system is powered to avoid loss of data; verify the specific CPU module manual for the exact procedure to ensure the backup circuit is engaged during replacement.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003col\u003e\n\u003cli\u003ePower on the system to ensure the CPU is running from the main power rail before removing the old battery to maintain memory retention.\u003c\/li\u003e\n\u003cli\u003eLocate the battery compartment on the CPU module front or side panel; use care to avoid touching surrounding components.\u003c\/li\u003e\n\u003cli\u003eRemove the depleted S9883FA cell and immediately insert the new unit, observing correct polarity (+\/- markings).\u003c\/li\u003e\n\u003cli\u003eVerify the battery low-voltage alarm or indicator clears on the controller interface after installation.\u003c\/li\u003e\n\u003cli\u003eDispose of the used lithium battery according to local industrial hazardous waste and environmental regulations.\u003c\/li\u003e\n\u003c\/ol\u003e","brand":"Yokogawa","offers":[{"title":"Default Title","offer_id":49208355553532,"sku":"S9883FA","price":99.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0787\/9983\/1292\/files\/S9185FA2.jpg?v=1780538179","url":"https:\/\/www.electronicplc.com\/products\/yokogawa-s9883fa-cpu-battery","provider":"Electronic PLC","version":"1.0","type":"link"}