Product Overview
GE IS200ERIOH1A is a high‑performance I/O interface board designed for the EX2100 excitation control system and Speedtronic MK VI gas/steam turbine control platform. It manages system and customer I/O signals in both simplex and redundant configurations, supporting EROC, ERDD, and ERRR modules for stable excitation regulation.
GE IS200ERIOH1A is a high‑performance I/O interface board designed for the EX2100 excitation control system and Speedtronic MK VI gas/steam turbine control platform. It manages system and customer I/O signals in both simplex and redundant configurations, supporting EROC, ERDD, and ERRR modules for stable excitation regulation.
Key Specifications
- Part Number: IS200ERIOH1A
- Brand: General Electric
- Series: EX2100 / Mark VI
- Function: Exciter Regulator I/O Board
- Operating Temperature: -20°C to +55°C
- Storage Temperature: -40°C to +70°C
- Input Protection: 150 VDC / 115 VAC continuous
- Signal Update Rate: <10 ms
- Interface: Dual 25‑pin connectors; P1/P2 backplane plugs
- Control: FPGA logic + DPM (Dual Port Memory)
- Weight: Approx. 0.96 kg
- Applications: Power generation, gas turbines, steam turbines, industrial excitation systems

Core Features
- Supports simplex and redundant excitation systems
- Interfaces with ERBP/ERRB backplanes and terminal boards
- High‑speed signal acquisition and fault response
- Rugged industrial design for harsh environments
- Direct plug‑in replacement for original MK VI/EX2100 systems
- Stable performance and long‑term reliability
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