The GE IS200EMIOH1AEB Exciter Main I/O Board is part of the EX2000 excitation control system. It manages input/output operations, including PT/CT signals, contact inputs, relay drivers, and gate pulse commands, ensuring reliable turbine generator control.
Specifications
Part Number: IS200EMIOH1AEB
Manufacturer: General Electric (GE)
Series: EX2000
Product Type: Exciter Main I/O Board
Number of Channels: 12
Input Span: 4–20 mA
Technology: Surface‑mount
Common Mode Voltage Range: ±5 V
Maximum Lead Resistance: 15 Ω
Analog Output Current: 0–20 mA
Operating Temperature: −30 °C to +65 °C
Size: 8.26 cm high × 4.19 cm wide
Availability: In stock
Country of Origin: United States
Manual Reference: GEI‑100453
Features
I/O Handling: Interfaces with EPCT, ECTB, EACF, and EXTB terminal boards
Signal Management: Processes PT/CT inputs, relay drivers, and pilot trip relay drives
Gate Pulse Commands: Sends logic‑level signals to ESEL board for EGPA control
Backplane Communication: Transfers commands to ESEL for flashing and de‑excitation outputs
Rack Integration: Single‑slot, double‑height VME‑style design for control rack mounting
Industrial Reliability: Built for continuous operation in turbine excitation systems
Serviceability: Supports quick repair turnaround and hot‑swap replacement
