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- Yokogawa
- AEPV7D-25
- Power Bus Unit
- Japan
- 630 × 166 × 43.6 mm
- 2.9 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.
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We provide 7*24 hours service to our customers. We will be there whenever you need us.
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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Yokogawa AEPV7D-25 Power Bus Unit is a high-reliability industrial power distribution module used in Yokogawa distributed control systems (DCS). It is designed to distribute electrical power across multiple rack-mounted modules, ensuring stable and continuous operation of control, I/O, and communication systems.
This unit is widely used in automation environments where stable power architecture and system reliability are critical for uninterrupted process control.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model | AEPV7D-25 |
| Product Type | Power Bus Unit |
| Function | Power distribution via system backplane |
| Input Voltage | 220–240 V AC |
| Frequency | 50/60 Hz |
| Max Input Current | 20 A |
| Port Current Limit | 6 A per output port |
| Withstand Voltage | 1500 V AC |
| Output Channels | Multi-channel (up to 14 outputs depending on configuration) |
| Dimensions | 630 × 166 × 43.6 mm |
| Weight | 1.8 kg |
| Mounting Type | Vertical rack / cabinet-mounted |
| System Compatibility | Yokogawa DCS / N-IO / FIO systems |
| Operating Mode | Continuous industrial duty |
Function and Working Principle
The AEPV7D-25 operates as a centralized power distribution interface within industrial control cabinets.
Its working process includes:
- Receiving AC input power from the main supply module
- Distributing power through internal backplane architecture
- Supplying multiple connected system modules simultaneously
- Maintaining stable voltage levels under varying load conditions
When configured appropriately, it can support expanded output distribution, improving system flexibility and scalability.
Role in Industrial Control Systems
Within Yokogawa automation systems, the AEPV7D-25 serves as a core infrastructure component:
- Acts as the main power distribution backbone in rack systems
- Supports stable operation of CPUs, I/O, and communication modules
- Enables modular expansion of control system architecture
- Ensures consistent power delivery across all connected units
- Helps reduce risk of system downtime due to power instability
It is commonly used in mid-to-large scale industrial automation setups.
Industrial Applications
The Yokogawa AEPV7D-25 is widely applied in:
- Distributed Control Systems (DCS)
- Oil and gas production facilities
- Petrochemical and refining industries
- Power generation plants
- Industrial manufacturing automation
- Process control and monitoring systems
Its stable power distribution capability makes it suitable for continuous operation environments.
Installation and System Integration
For optimal performance, the AEPV7D-25 should be installed as follows:
- Mounted in standard industrial 19-inch racks
- Connected to system power supply modules
- Integrated into Yokogawa backplane architecture
- Proper grounding and cable routing ensured
- Adequate ventilation provided for thermal stability
Correct installation is essential for long-term reliability and system safety.
Compatible System Components
The AEPV7D-25 typically works with:
- Yokogawa CPU modules
- I/O interface modules
- Communication modules
- System power supply units
- Rack-based DCS infrastructure components
These components rely on stable power distribution provided by the unit.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| AEPV7D-21 | Power Bus Unit | Redundant power input | High-reliability systems |
| AEPV7D-15 | Power Bus Unit | Balanced configuration | Medium-scale systems |
| AEPV7D-10 | Power Bus Unit | Standard model | General applications |
| AEPV7D-115 | Power Bus Unit | Low-voltage variant | 100–120 V systems |
| AEPV7D-216 | Power Bus Unit | Enhanced redundancy | Critical systems |
Key Advantages
- Stable and efficient power distribution
- Designed for continuous industrial operation
- Supports modular system expansion
- High compatibility with Yokogawa DCS architecture
- Reliable performance in harsh environments
- Compact rack-mounted structure
Technical FAQs
What is the main function of the AEPV7D-25?
It distributes electrical power across multiple modules within a Yokogawa control system.
Is it a standalone power supply?
No, it works together with external power supply modules.
Where is it typically used?
It is used in distributed control and industrial automation systems.
Conclusion
The Yokogawa AEPV7D-25 Power Bus Unit is a reliable and essential component for industrial power distribution in automation systems. Its stable architecture, robust design, and seamless integration make it a key part of Yokogawa DCS infrastructure.
For engineers and system integrators, it provides a dependable foundation for building scalable, stable, and efficient control system architectures.