GE IS200ESYSH3A I/O Terminal Board

Overview

The GE IS200ESYSH3A is an I/O Terminal Board designed for the EX2100e Excitation Control System. It plays a key role in interfacing input and output signals. This board helps ensure precise, fast, and safe communication between the generator and control systems. Engineers rely on this component to monitor voltages, currents, and auxiliary contacts. It also controls protective trip signals using reliable logic and hardware voting.

Technical Specifications

• Model Number: IS200ESYSH3A

• Series: EX2100e

• Board Type: I/O Terminal Board

• Control Section: M1

• Functional Acronym: ESYS

• Group Variation: H3

• Redundancy Type: Simplex Control

• Manual Reference: GEI-100772

Power Supply

• Input Voltage: 55 V DC for auxiliary contact inputs

Inputs

• 2 generator CT inputs (current rating: 1 A or 5 A)

• 2 three-phase PT voltage inputs for voltage feedback

• 7 auxiliary contact inputs for system monitoring

Outputs

• 2 trip relay outputs control lockout devices

• Voting Logic: 2-of-3 hardware voting ensures safety

Communication

• High-Speed Serial Link (HSSL)

• Connection: via attached HSLA daughterboard

Physical Interface

• Connectors: 6 sub-D pin connectors

• Signal Support: Designed for CTs and PTs