Input Module - 1 Transformer Board; Figure 16: Rear Serial Port Terminals; Figure 17: Input Module - 1 Transformer Board - GE MiCOM P40 Agile Technical Manual

Single breaker current differential (with distance)

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Chapter 3 - Hardware Design

An additional serial port with D-type presentation is available as an optional board, if required.

INPUT MODULE - 1 TRANSFORMER BOARD

The input module consists of the main input board coupled together with an instrument transformer board. The

instrument transformer board contains the voltage and current transformers, which isolate and scale the

analogue input signals delivered by the system transformers. The input board contains the A/D conversion and

digital processing circuitry, as well as eight digital isolated inputs (opto-inputs).

The boards are connected together physically and electrically. The module is encased in a metal housing for

shielding against electromagnetic interference.

P54x1i-TM-EN-1

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