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DPU/TPU/GPU 2000R IED Time Synchronization Application Note

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This application note explains the time synchronization methods for ABB DPU/TPU/GPU 2000R IEDs using Modbus or DNP 3.0 protocols. It details the internal clock operation, synchronization accuracy, and specific procedures for DNP 3.0 time synchronization, including delay measurement and IRIG B external synchronization.

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