GE IS200EACFG1B-4 GE IS200EACFG1B-2 GE IS200EACFG1B-1 GE IS200EACFG1B-3

The GE IS200EACFG1B Exciter AC Feedback Board is a critical measurement and signal-conditioning component used in the GE EX2100 excitation control system. It is designed to accurately acquire three-phase AC voltage and current signals from generator PT/CT inputs and transmit conditioned feedback data to the main control processors.

As part of GE’s high-reliability turbine control architecture, this module ensures stable excitation regulation, precise voltage monitoring, and secure grid synchronization in demanding power generation environments.

Technical Specifications

Electrical & Functional Data

Category	Specification
System Platform	GE EX2100 / Mark VI Excitation System
Module Type	AC Feedback Board
Function	Three-phase voltage & current signal acquisition
Input Voltage Range	Up to 480 Vrms (system dependent)
Frequency	50 / 60 Hz
Signal Sources	PT (Potential Transformer), CT (Current Transformer)
Communication Interface	DB9 connectors to controller (M1 / M2 / C)
Isolation Method	Transformer isolation + fiber-linked signal conditioning
Installation Location	Exciter control cabinet
Operating Temperature	-30°C to 65°C

Physical Dimensions & Weight

Parameter	Value
Dimensions (L × W × H)	263 mm × 58 mm × 28 mm
Weight	Approx. 4.3 kg

Recommended Related Models

For full EX2100 system integration and stable excitation performance, IS200EACFG1B is commonly paired with:

GE IS200EDCFG1B DC Feedback Board
GE IS200ECTBG1A Terminal Board
GE IS200EPCTG1A PT/CT Interface Board
GE IS200EDEXG1B De-Excitation Board
GE IS200EXAMG1B Attenuation Module

These modules work together to ensure accurate feedback acquisition, protection, and excitation stability across turbine systems.

Popular GE EX2100 Series Modules

IS200EACFG1B AC Feedback Board
IS200EACFG1A AC Feedback Board
IS200EDCFG1B DC Feedback Board
IS200ECTBG1A Terminal Board
IS200EXAMG1B Attenuation Module

Applications

The IS200EACFG1B is widely used in high-demand industrial and energy systems where precision control is essential:

Gas turbine excitation systems
Steam turbine generator control
Hydroelectric power generation plants
Industrial grid stabilization systems
Oil & gas power infrastructure
Heavy rotating machinery monitoring systems

Its feedback accuracy directly supports stable voltage regulation and efficient power output control.

Advantages

The IS200EACFG1B delivers strong performance in mission-critical environments:

High-precision three-phase AC signal measurement
Strong electrical isolation for noise immunity
Seamless integration with GE EX2100 / Mark VI architecture
Reliable long-term industrial operation
Stable performance under fluctuating load conditions
Designed for redundant turbine control systems

These features make it a trusted component in global power generation facilities.

Technical FAQs

1. What is the main function of IS200EACFG1B?
It processes and conditions AC voltage and current feedback signals in EX2100 systems.

2. What system is it used in?
GE EX2100 and Mark VI excitation control platforms.

3. What signals does it handle?
Three-phase AC signals from PT and CT sources.

4. What is the voltage input range?
Typically up to 480 Vrms depending on configuration.

5. How does it connect to the controller?
Through DB9 connectors linking to M1, M2, and C controllers.

6. Where is it installed?
Inside the excitation control cabinet.

7. Is it compatible with Mark V systems?
No, it is designed for EX2100 / Mark VI architecture.

8. What is its operating temperature range?
Approximately -30°C to 65°C.

9. What is the difference between A and B versions?
They are largely functionally similar with minor hardware/revision updates.

10. Why is it important in turbine systems?
It ensures accurate feedback for stable excitation control and grid synchronization.

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GE IS200EACFG1B Exciter AC Feedback Board (EX2100 / Mark VI System)