Product Overview

• Part No: UAD149, series variant UAD149Axxx, order code 3BHE014135Rxxxx
• Brand: ABB

• Category: High-performance Controller UnitUAD149 belongs to the ABB AC800PEC control platform. It serves as the core real-time controller for power electronic systems. The module executes closed-loop control algorithms, collects analog and digital field signals, outputs control commands to power drive boards, and exchanges operational data with upper monitoring systems. It undertakes core regulation logic for power conversion equipment and guarantees stable, high-speed response under dynamic load conditions.

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Core Features

• High-speed processor architecture, supports high real-time control tasks for power equipment
• Integrated multi-channel analog and digital I/O interfaces, convenient for connecting field sensors and actuators
• Multiple standard communication interfaces for data interaction with host systems and auxiliary modules
• Built-in comprehensive hardware self-diagnosis, real-time fault detection and status indication
• Optimized EMC circuit design, stable operation under strong electromagnetic interference inside power cabinets

• Compact integrated housing structure, convenient installation and direct replacement during maintenance

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Technical Specifications

• Supply Voltage: 24VDC
• Operating Temperature: -20°C ~ +60°C
• Storage Temperature: -40°C ~ +85°C
• Installation: Cabinet mounting

• Protection Class: IP20

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Compatibility & Application

• Matched with ABB AC800PEC control system, UNITROL generator excitation equipment and medium voltage power conversion devices
• Widely used in power plant generator excitation control, metallurgical power supply, static var compensator and industrial medium voltage drive projects