Original ABB 500CPU03 1HDF700003R5122 CPU module for REB500 protection system, power substation control spare part.

Product Overview

500CPU03 1HDF700003R5122 is central processing unit for ABB REB500 busbar protection system. It executes protection calculation algorithms, manages internal bus communication, runs protection logic for high‑voltage power substations. It supports PROFIBUS and serial communication, built‑in self‑diagnosis function, industrial‑grade hardware, widely used in power plant and substation control cabinets.

Key Features

• Core CPU module for REB500 busbar protection system
• Runs protection algorithm and internal bus communication management
• Supports PROFIBUS and RS232 serial communication interfaces
• Built‑in fault diagnosis for I/O and communication link monitoring
• Industrial‑grade design, good anti‑vibration and EMC performance

• Standard rack plug‑in installation

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Technical Specifications

• Brand: ABB
• Model: 500CPU03, 1HDF700003R5122
• Module Type: Central Processing Unit Module
• System Platform: REB500 Busbar Protection System
• Function: Protection logic execution, system communication management
• Power Supply: 24VDC
• Operating Temp: ‑25℃ ~ +60℃
• Storage Temp: ‑40℃ ~ +85℃
• Humidity: 5‑95% non‑condensing

• Installation: Plug‑in inside protection control rack

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Compatibility

Compatible with ABB REB500 busbar protection system. After replacement, download protection program, configure communication parameters and verify protection logic function.