Yokogawa AEPV7D-25 Power Supply Bus Unit

The Yokogawa AEPV7D-25 Power Supply Bus Unit is an advanced and reliable power distribution component designed to ensure stable and continuous energy supply to control racks, CPU modules, and I/O modules within Yokogawa’s distributed control systems (DCS). This model is engineered for environments where uninterrupted power is critical, offering high efficiency, dual-voltage output, and strong redundancy features.

The AEPV7D-25 belongs to Yokogawa’s trusted AEPV7D series, which has been widely adopted in energy, petrochemical, power generation, and heavy industrial facilities. Its design emphasizes stability, fault tolerance, and compatibility, making it an essential choice for large-scale automation systems that demand high availability and operational reliability.

Product Specifications

Product Applications

The AEPV7D-25 is built for industrial sectors where continuous and stable power supply is mandatory. Its applications include:

• Distributed Control Systems (DCS): Power supply for CPU racks and system buses.

• Oil & Gas Industry: Reliable energy for offshore drilling, refineries, and pipeline automation.

• Petrochemical and Chemical Plants: Powering process automation and high-density I/O.

• Power Generation Plants: Supports critical systems such as turbine and boiler management.

• Pharmaceutical Production: Supplies stable and low-noise power for precise automation.

• Manufacturing & Utilities: Ensures uninterrupted operations in mission-critical processes.

Product Advantages

• High Capacity Output – Supports up to 25 A for demanding automation environments.

• Dual Voltage Supply – Provides 5 V DC and 24 V DC for versatile system compatibility.

• Excellent Stability – Very low ripple voltage to protect sensitive I/O and control modules.

• Advanced Protection – Equipped with independent overcurrent and short-circuit protection.

• Redundancy Ready – Full dual supply support to ensure continuous uptime.

• Energy Efficient – Efficiency greater than 85%, reducing heat and power losses.

• Wide Input Range – Compatible with global AC standards for international deployment.

• Durable Design – Built to withstand industrial environments and long-term operation.

FAQ

1. What is the maximum output current of the AEPV7D-25?

   It can supply up to 25 A.

2. Does the unit support dual redundant operation?

   Yes, it is designed to work in redundant configurations for high availability.

3. What are the available output voltages?

   The unit provides both 5 V DC and 24 V DC outputs.

4. How does the AEPV7D-25 manage ripple voltage?

   It maintains ripple below 40 mV peak-to-peak for stable performance.

5. Is short-circuit protection available for each channel?

   Yes, each output channel has independent short-circuit protection.

6. Can the unit be operated in parallel with another power supply?

   Yes, parallel operation is supported to increase overall capacity.

7. Does the AEPV7D-25 provide protection against overload conditions?

   Yes, overcurrent protection with automatic recovery is included.

8. What cooling mechanism is used in this unit?

   The unit is cooled by natural air convection, eliminating the need for fans.

9. Is the power supply compatible with both analog and digital I/O modules?

   Yes, it can supply both types simultaneously through the system bus.

10. What compliance certifications does this model meet?

    It complies with IEC/EN 61010 safety standards and EMC regulations.