Product Overview

• Part No: XDD501A101, alternative order code 3BHE019789R0101
• Brand: ABB

• Category: High-speed Signal Interface BoardXDD501A101 belongs to ABB AC800PEC control platform, serving as a dedicated high-speed signal interface unit for power electronic control systems. It realizes high-speed data transmission between the main controller and peripheral functional boards, processes fiber-optic and electrical measurement signals, transmits real-time feedback data of power devices and sends synchronous control commands. The module undertakes signal distribution, conversion and isolation work, ensures synchronous coordination among multiple control units, and provides reliable signal channel support for closed-loop regulation of excitation equipment and medium voltage power conversion systems.

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Core Features

• Support high-speed synchronous signal transmission, meet the strict real-time requirements of power control loops
• Integrated multi-channel signal isolation circuit, effectively suppress strong electromagnetic interference inside high-voltage power cabinets
• Complete hardware self-diagnosis function, monitor communication status and signal abnormality in real time with LED status indicators
• Optimized PCB circuit layout, good thermal performance, adapt to long-term continuous operation
• Standard plug-in board structure, convenient disassembly and direct on-site replacement during equipment maintenance

• Strict industrial aging and EMC testing, stable operation under variable industrial load conditions

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Technical Specifications

• Operating Power: 24VDC
• Communication Mode: High-speed parallel bus & fiber signal interface
• Operating Temperature: -20°C ~ +60°C
• Storage Temperature: -40°C ~ +85°C
• Installation: Standard rack slot mounting inside control cabinet

• Protection Class: IP20

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Compatibility & Application

• Compatible with ABB AC800PEC controller, UNITROL series generator excitation systems and medium voltage power conversion equipment
• Widely used in power plant generator excitation control, metallurgical rectifier power supply, static var compensator and industrial medium voltage drive projects