ABB UFC760BE143 3BHE004573R0143 is an interface board designed for ABB UNITROL 5000 / 6000 generator excitation system, responsible for pulse trigger output, signal acquisition and internal communication control.

Product Overview

The ABB UFC760BE143 3BHE004573R0143 is a core interface and pulse trigger board of ABB UNITROL excitation control system. It collects analog and digital signals, generates isolated trigger pulses for thyristor power bridge, and realizes high-speed data communication between the main controller and power unit. This board undertakes real-time pulse generation and fault detection, widely used in generator excitation regulation of hydropower and thermal power plants.

Key Features

• Dedicated interface pulse board for ABB UNITROL 5000/6000 excitation system
• Multi-channel isolated pulse output to drive thyristor rectifier bridge
• High-precision analog signal sampling and digital input signal processing
• Onboard fault monitoring and self-diagnosis function
• High-speed internal bus communication with main control unit
• Strong anti-interference hardware design for high-voltage power cabinet environment
• LED status indicators for quick fault point locating

• Rack plug-in installation, convenient for replacement and maintenance

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Technical Specifications

• Brand: ABB
• Model: UFC760BE143
• Part No: 3BHE004573R0143
• Application System: UNITROL 5000 / UNITROL 6000 Generator Excitation
• Power Supply: 24VDC
• Function: Pulse triggering, signal acquisition, interface communication
• Mounting: Plug-in rack board
• Operating temperature: -10℃ ~ +60℃

• Certification: CE, UL

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Compatibility & Application

Compatible with ABB UNITROL 5000 and UNITROL 6000 excitation controllers, matched power rectifier units and backplane racks. Mainly applied in thermal power, hydropower generator excitation control systems, for generator voltage regulation and reactive power control.