Overview
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | S9400UK |
| Brand | Yokogawa |
| Product Type | Nickel Cadmium Battery Pack |
| Battery Model | HHR-30HF5G1 |
| Battery Chemistry | Nickel-Cadmium (Ni-Cd) |
| Nominal Voltage | 6 VDC |
| Capacity | 3000 mAh |
| Application | DCS System Processor Backup |
| Function | Processor Memory Backup |
| Weight | Approx. 0.6 kg |
| Dimensions | Approx. 10.2 x 7.9 x 5.4 cm |
Battery Backup and DCS Processor Operation
The S9400UK supplies backup energy to supported processor hardware when the primary power source becomes unavailable. Consequently, the battery helps preserve volatile memory and stored controller information during power interruptions.
The specified 6 VDC output and 3000 mAh capacity define its nominal electrical characteristics. However, actual backup duration depends on processor load, battery condition, and system configuration.
The HHR-30HF5G1 designation identifies the associated battery type. Before replacement, verify the battery connector, polarity, physical dimensions, and electrical requirements against the installed processor documentation.
Frequently Asked Questions (FAQ)
Q: What is the nominal voltage and capacity of the Yokogawa S9400UK?
A: The specified battery pack has a nominal voltage of 6 VDC and a capacity of 3000 mAh.
Q: Which battery designation is associated with the S9400UK?
A: The supplied product information identifies HHR-30HF5G1 as the associated battery model.
Q: Does the S9400UK provide backup power to DCS processors?
A: Yes. It provides battery backup for supported DCS processor hardware, helping retain memory during external power interruptions.
Field Installation Guidelines
- Isolate the applicable equipment according to the system maintenance procedure before replacing the battery.
- Confirm the installed battery model and processor compatibility using the Yokogawa hardware documentation.
- Verify connector orientation and polarity before connecting the replacement battery.
- Inspect the battery compartment and connector for corrosion, physical damage, or contamination.
- Route battery wiring away from sharp edges and moving components.
- Secure the battery assembly using the designated mounting arrangement.
- Restore system power and verify the processor’s battery status through the applicable diagnostic interface.
- Follow the manufacturer’s battery handling, storage, and disposal instructions.
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