Overview

The Yokogawa AEP7D-1 Power Supply Bus Unit is designed to deliver stable and redundant power to field control nodes and I/O modules within Yokogawa’s distributed control system (DCS) architecture. It supports dual independent power sources (A and B), allowing seamless switchover in case of failure.

Moreover, the unit is engineered for high reliability, modular installation, and compliance with IEC safety standards, making it suitable for mission-critical applications in oil & gas, petrochemical, power generation, and utilities.

Technical Data

Typical Applications

• Distributed Control Systems (DCS): Provides redundant power distribution for CENTUM VP nodes.

• Safety Instrumented Systems (SIS): Ensures fault-tolerant power supply for ProSafe-RS safety controllers.

• Process Automation: Used in chemical, petrochemical, and refining plants.

• Power Generation: Supports turbine and boiler systems requiring high availability.

• Utilities: Applied in water treatment and energy distribution systems.

FAQ

Q1: What is the primary function of the AEP7D-1?
A1: It distributes redundant 24 V DC power to Yokogawa control nodes and I/O modules.

Q2: Does it support redundancy?
A2: Yes, it operates with dual independent power sources (A & B) for fault tolerance.

Q3: Which systems is it compatible with?
A3: It is designed for Yokogawa CENTUM VP and ProSafe-RS platforms.

Q4: What industries typically use this unit?
A4: It is widely applied in oil & gas, chemical, power generation, and utilities.

Q5: What is the operating temperature range?
A5: It operates reliably between –20 °C and +60 °C.