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- Yokogawa
- AEPV7D-416
- Power Bus Unit
- Japan
- 630 × 166 × 43.6 mm
- 2.9 kg
- Xiamen, China
- New & In Stock
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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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All our products are priced very favorably because we have our own warehouse and supply.
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Product Overview
The Yokogawa AEPV7D-416 Power Bus Unit is a high-reliability industrial power distribution module used in Yokogawa distributed control systems (DCS). It is designed as a vertical-type power bus interface that distributes electrical power across multiple rack-mounted control modules, ensuring stable operation of automation systems.
This model is commonly used in CENTUM / N-IO / FIO architectures, where stable cabinet-level power distribution is required for continuous industrial operation.
Technical Specifications
| Parameter | Details |
|---|---|
| Manufacturer | Yokogawa |
| Model | AEPV7D-416 |
| Product Type | Power Bus Unit |
| Function | Power distribution for system cabinets |
| Input Voltage | 24 V DC (typical configuration) |
| Power Architecture | Dual-line (A/B) independent distribution |
| Output Channels | Multiple distributed outputs (up to 14 depending on configuration) |
| System Type | Vertical cabinet-mounted unit |
| Dimensions | 630 × 166 × 43.6 mm |
| Weight | 2.9 kg |
| Mounting Type | Rack / cabinet vertical mounting |
| System Compatibility | Yokogawa CENTUM / N-IO / FIO systems |
| Operating Mode | Continuous industrial duty |
| Protection Features | Overcurrent and isolation protection design |
Function and Working Principle
The AEPV7D-416 operates as a primary power distribution bus unit within Yokogawa control cabinets.
Its working process includes:
- Receiving 24 V DC power from system power supply modules
- Separating power into independent A and B distribution lines
- Supplying stable voltage to multiple control system modules
- Maintaining isolation between power paths to improve system safety
This architecture ensures that even if one power line is affected, the other can maintain system operation.
Role in Industrial Control Systems
Within Yokogawa automation systems, the AEPV7D-416 plays a critical infrastructure role:
- Acts as the central power distribution backbone in cabinet systems
- Supports stable operation of CPUs, I/O modules, and communication units
- Enables redundant and segmented power architecture
- Enhances system reliability and fault tolerance
- Ensures continuous operation in mission-critical environments
It is especially important in modern distributed control system designs.
Industrial Applications
The Yokogawa AEPV7D-416 is widely used in:
- Distributed Control Systems (DCS)
- Oil and gas production facilities
- Petrochemical and refining plants
- Power generation systems
- Large-scale industrial automation
- Process control and monitoring environments
Its stability and redundancy support make it suitable for 24/7 continuous operation.
Installation and System Integration
For optimal performance, the AEPV7D-416 should be installed as follows:
- Mounted in vertical industrial racks or control cabinets
- Connected to dedicated 24 V DC power supply systems
- Integrated into Yokogawa backplane architecture
- Proper grounding and cable separation ensured
- Adequate ventilation provided for long-term stability
Correct installation ensures consistent performance and reduces system risk.
Compatible System Components
The AEPV7D-416 typically works with:
- Yokogawa CPU modules
- I/O interface modules
- Communication modules
- Power supply units (24 V DC systems)
- Rack-based control system infrastructure
These components rely on the AEPV7D-416 for stable and distributed power delivery.
Recommended Alternative Models
| Model | Type | Key Feature | Application |
|---|---|---|---|
| AEPV7D-21 | Power Bus Unit | AC redundant input design | High-reliability systems |
| AEPV7D-215 | Power Bus Unit | Dual AC input + segmentation | Critical systems |
| AEPV7D-115 | Power Bus Unit | Low-voltage AC version | Standard cabinet systems |
| AEPV7D-25 | Power Bus Unit | Balanced distribution model | Medium systems |
| PW482-10 | Power Supply Module | Primary system power source | Input stage |
Key Advantages
- Stable DC power distribution architecture
- Dual-line power segmentation (A/B)
- High reliability for continuous operation
- Designed for Yokogawa DCS compatibility
- Supports modular system expansion
- Industrial-grade durability for harsh environments
Technical FAQs
What is the main function of the AEPV7D-416?
It distributes 24 V DC power across multiple system modules in a Yokogawa control cabinet.
Is it redundant?
Yes, it supports dual-line (A/B) power separation for improved reliability.
Is it a power supply?
No, it is a power distribution unit used together with external power supplies.
Conclusion
The Yokogawa AEPV7D-416 Power Bus Unit is a critical component in industrial automation systems, providing stable and redundant DC power distribution across control cabinets. Its segmented architecture, high reliability, and seamless integration make it an essential part of modern Yokogawa DCS infrastructures.
For engineers and system integrators, it offers a dependable foundation for building stable, scalable, and fault-tolerant industrial control systems.