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- Yokogawa
- S9402UK
- Battery Pack
- Japan
- 100 x 25 x 80 mm
- 3 kg
- Xiamen, China
- New & In Stock
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We have a 10-year logistics and express cooperation agreement, so our products can be shipped to any place in the world.
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Our products are imported in bulk from the place of origin. Because of the cooperative relationship, our products are all original and 100% new.
24-hour service
We provide 7*24 hours service to our customers. We will be there whenever you need us.
Price advantage
All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Yokogawa S9402UK Battery Pack is an industrial-grade backup power module designed for Yokogawa Distributed Control Systems (DCS). It provides reliable emergency power support for system memory retention, configuration storage, and controlled system shutdown during unexpected power loss.
With a compact form factor and high-reliability industrial battery design, the S9402UK ensures continuous system stability and data integrity in mission-critical automation environments. It is widely used in control cabinets where uninterrupted operation and secure data preservation are essential.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model | S9402UK |
| Product Type | Battery Pack |
| Battery Type | Industrial Rechargeable Battery |
| Function | Backup Power Supply |
| System Compatibility | Yokogawa DCS / CENTUM Series |
| Application | Memory Backup / System Retention |
| Installation | Control Cabinet / System Module Slot |
| Dimensions | 100 × 25 × 80 mm |
| Weight | 0.1 kg (Battery Unit) / 3 kg (Shipping Weight) |
| Operating Temperature | 0°C to +50°C |
| Storage Temperature | -20°C to +60°C |
| Rechargeable | Yes |
| Maintenance Type | Low-maintenance industrial battery pack |
| Country of Manufacture | Japan |
Function and Working Principle
The Yokogawa S9402UK Battery Pack is designed to provide backup energy when the main power supply is interrupted. It ensures that critical system data and configurations remain protected.
Its working principle includes:
- Supplying backup power to control system memory circuits
- Maintaining real-time clock and configuration data
- Preventing data loss during power outages
- Supporting controlled shutdown procedures in DCS systems
- Recharging automatically during normal system operation
This ensures that the control system can recover quickly and safely after power restoration.
Role in Industrial Control Systems
Within Yokogawa Distributed Control Systems, the S9402UK plays a key role in maintaining system continuity and data security. It supports:
- Control processor memory retention
- System configuration storage
- Real-time clock backup
- Diagnostic and system state preservation
- Safe restart functionality after power loss
This makes it essential for stable and reliable industrial automation operation.
Industrial Applications
The Yokogawa S9402UK Battery Pack is widely used in industrial sectors including:
- Distributed Control Systems (DCS)
- Oil and Gas Processing Facilities
- Petrochemical Plants
- Power Generation Stations
- Chemical Manufacturing Plants
- Water and Wastewater Treatment Systems
- Pulp and Paper Industry
- Pharmaceutical Production Systems
- Mining and Metallurgical Operations
- Large-scale Industrial Automation Systems
Its reliability ensures safe operation in environments where system downtime is critical.
Installation and System Integration
Proper installation is important to ensure safe and stable battery performance.
Recommended practices include:
- Install in the designated battery compartment or module slot
- Ensure correct connection and secure fitting
- Avoid exposure to high temperature or moisture
- Replace only during controlled system shutdown
- Verify charging function after installation
- Follow preventive maintenance schedules
Correct handling ensures long service life and stable backup performance.
Compatible System Components
The Yokogawa S9402UK is commonly used with:
- Yokogawa Field Control Units (FCU)
- CENTUM VP Control Systems
- Processor Modules
- Memory Backup Units
- Power Supply Systems
- Real-Time Clock Circuits
- Control Cabinet Assemblies
- System Diagnostic Modules
These components depend on stable backup power to ensure reliable operation.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| S9402UK | Battery Pack | Standard DCS Backup Power | Memory Retention |
| S9400UK | Ni-Cd Battery Module | Compact Backup Solution | Control Systems |
| S9400UJ | Extended Battery Pack | Higher Capacity Backup | Critical Applications |
| S9400UH | Industrial Battery Unit | Long-Life Design | Continuous Operation |
| UPS Backup Systems | External Power Backup | Full System Protection | Plant-wide Power Backup |
Key Advantages
- Reliable backup power for DCS systems
- Ensures memory and configuration retention
- Supports safe system shutdown during outages
- Compact and industrial-grade design
- Rechargeable and low-maintenance
- Strong compatibility with Yokogawa platforms
- High reliability in harsh environments
- Long operational service life
- Improves overall system stability
Technical FAQs
What is the main function of the Yokogawa S9402UK?
It provides backup power to maintain system memory, configuration data, and clock functions during power failures.
What is the difference between shipping weight and product weight?
The product weight refers to the battery itself, while shipping weight includes packaging and protective materials.
Is the S9402UK rechargeable?
Yes. It is designed as a rechargeable industrial battery pack for long-term use in DCS systems.
Where is it used?
It is used in Yokogawa Distributed Control Systems, mainly in control processors and memory backup circuits.
Conclusion
The Yokogawa S9402UK Battery Pack is a reliable industrial backup power solution designed to ensure data retention and system stability in Yokogawa Distributed Control Systems. With its compact design, stable performance, and strong compatibility with DCS architectures, it plays a critical role in protecting control system data during power interruptions. Whether used in power plants, petrochemical facilities, or process industries, the S9402UK ensures continuous system integrity and operational reliability.