



The Yokogawa S9883FA is a 3.6V lithium battery module used in Yokogawa CENTUM / STARDOM / FCN / NFCP series distributed control systems (DCS).
It is designed to provide backup power for memory retention and real-time clock (RTC) functions inside controller CPUs and communication modules. This ensures that critical system data such as configuration, diagnostics, and time settings are preserved during power loss or maintenance shutdowns.
The S9883FA is commonly installed in NFCP and FCN controller architectures, making it an essential consumable component in Yokogawa automation systems.
Technical Specifications
| Parameter | Specification |
|---|---|
| Brand | Yokogawa |
| Model | S9883FA |
| Product Type | Lithium Backup Battery |
| Rated Voltage | 3.6 V DC |
| Battery Type | Lithium Thionyl Chloride (Li-SOCl₂) |
| Function | Memory backup / RTC power supply |
| Compatibility | FCN / FCJ / NFCP series controllers |
| Installation | Internal CPU or controller slot |
| Operating Temperature | -20°C to +70°C |
| Shelf Life | Long-life industrial battery (typically 5–10 years depending on usage) |
According to Yokogawa technical documentation, S9883FA is used in NFCP050 CPU modules as the recommended backup battery type, ensuring memory retention in control systems.
Physical Characteristics
| Item | Specification |
|---|---|
| Dimensions (W × H × D) | Approx. 25 × 15 × 10 mm (typical embedded DCS battery format) |
| Weight | Approx. 10–30 g |
| Mounting Type | Plug-in / internal CPU battery holder |
| Housing | Sealed industrial lithium cell |
| Maintenance | Replaceable module battery unit |
Recommended Related Models
- Yokogawa S9049FE – alternative CPU backup battery
- Yokogawa NFCP050 – controller CPU module
- Yokogawa NFCP100 – communication processor module
- Yokogawa FCN-RTU series – remote controller systems
- Yokogawa STARDOM FCJ – field controller platform
Popular Yokogawa Models
- Yokogawa S9883FA – 3.6V DCS backup battery
- Yokogawa NFCP100 – communication processor module
- Yokogawa ADV161 – digital input module
- Yokogawa AAI141 – analog input module
- Yokogawa CENTUM VP – DCS system platform