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- Yokogawa
- PW482-S01
- Power Supply Module
- Japan
- 146.5 × 199.5 × 49.7 mm
- 1kg
- Xiamen, China
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Industrial Power Supply Module Technical Report
Model: PW482-S01
1. Product Overview
The PW482-S01 is an industrial rack-mounted power supply module designed for use in automation control systems requiring stable and continuous DC power distribution. It is typically installed inside control cabinets and system racks to supply regulated power to controllers, I/O modules, communication interfaces, and other automation components.
This module is designed as part of a modular power architecture rather than a standalone device. It operates within a larger distributed control system environment, where multiple power modules may be configured in parallel to ensure redundancy and system reliability.
The “S01” designation generally indicates a production or revision variant within the PW482 product family, reflecting internal design updates while maintaining system compatibility.
2. Brand Information
The product is part of a globally recognized industrial automation equipment manufacturer specializing in:
- Process control systems
- Distributed control system (DCS) platforms
- Industrial instrumentation and measurement systems
- Control and automation hardware solutions
The PW series is widely deployed in industrial environments requiring high system uptime and stable power infrastructure.
3. Series Information (PW Series)
The PW series is a family of modular rack-mounted power supply units designed for industrial automation systems.
Key characteristics include:
- Modular plug-in rack installation
- Hot-swappable maintenance capability
- Redundant power operation support
- Industrial-grade electrical isolation
- Designed for continuous 24/7 operation
- Compatibility with distributed control system architecture
The PW482-S01 belongs to the PW482 family, typically used for AC input industrial power distribution applications.
4. Product Function Description
The PW482-S01 functions as a regulated AC-to-DC power conversion module installed in control system racks.
Main functional roles:
- Conversion of AC input power into stable DC output
- Distribution of power to system control modules
- Voltage stabilization under varying load conditions
- Support for redundant power supply configurations
- Electrical isolation from system noise and disturbances
It is typically deployed in parallel configurations to ensure uninterrupted operation in critical systems.
5. Product Applications
The PW482-S01 is widely used in industrial automation environments such as:
- Petrochemical processing plants
- Oil and gas production systems
- Power generation control systems
- Water treatment and utility automation facilities
- Manufacturing production line automation
- Distributed control system (DCS) installations
- Industrial monitoring and data acquisition systems
These environments require stable, continuous, and fault-tolerant power supply infrastructure.
6. Product Advantages
The PW482-S01 offers several operational and engineering advantages:
- Stable performance under continuous industrial load conditions
- Designed for long-term 24/7 operation
- Modular rack design enables easy maintenance and replacement
- Supports redundant power configuration for high system reliability
- Strong resistance to electrical noise and transient disturbances
- Compact structure suitable for control cabinet integration
- Optimized for industrial automation system environments
7. Technical Specifications
Note: Some parameters vary depending on system configuration and revision; values below represent standard industrial design characteristics.
| Parameter | Specification |
|---|---|
| Model | PW482-S01 |
| Input Voltage | AC input (industrial system configuration) |
| Input Frequency | 50/60 Hz |
| Output Type | Regulated DC system output |
| Output Power | System-dependent configuration |
| Efficiency | High-efficiency industrial design |
| Protection Functions | Overvoltage / Overcurrent / Thermal protection |
| Redundancy Support | Supported |
| Installation Type | Rack-mounted plug-in module |
| Revision | S01 production/revision variant |
| Cooling Method | Cabinet airflow / forced ventilation |
| Operating Temperature | Industrial environment rated |
8. Mechanical Dimensions and Weight
| Item | Specification |
|---|---|
| Dimensions (W × H × D) | 146.5 × 199.5 × 49.7 mm |
| Weight | approx. 1.0 kg |
| Mounting Type | Rack plug-in module |
| Housing Material | Industrial-grade metal enclosure |
9. Related Models (Same Series / Similar Function)
| Model | Description | Key Parameters |
|---|---|---|
| PW481-11 | Standard AC input module | 100–120 V AC / rack type / redundancy supported |
| PW482-11 | Standard configuration module | AC input / system power module / industrial rack |
| PW482-11 S2 | Revised version | Improved internal revision / AC input |
| PW482-51 | Higher voltage AC variant | 220–240 V AC input / system rack module |
| PW484-11 | DC input power module | 24 V DC input / industrial automation system |
10. Popular Models (Same System Ecosystem)
| Model | Function | Key Parameters |
|---|---|---|
| CP451 | Central processing module | Rack CPU / system controller / industrial automation core |
| CP461 | Advanced controller module | High-performance process control unit |
| AI835 | Analog input module | Multi-channel signal acquisition module |
| AO845 | Analog output module | Process control output module |
| DI840 | Digital input module | Discrete signal acquisition module |
| DO840 | Digital output module | Relay/output control module |
11. Engineering Notes
The PW482-S01 is designed for integration into modular rack-based control systems. It is not intended for standalone operation, and its performance depends heavily on system-level architecture.
Key engineering considerations include:
- Proper load distribution across power modules
- Thermal management within control cabinets
- Redundant system configuration design
- Electrical grounding and noise control
In critical applications, multiple units are often installed in parallel to ensure continuous system operation.
12. Conclusion
The PW482-S01 is a modular industrial power supply unit designed for stable and reliable operation in automation control systems. Its redundancy capability, modular structure, and industrial-grade design make it suitable for continuous operation in demanding environments where power stability is essential.
It plays a critical role in maintaining uninterrupted operation of distributed control system architectures and industrial automation infrastructure.