Introduction
The IS200EXAMG1BAA is an auxiliary excitation module produced by GE for Mark VI and Mark VIe control systems. Designed to support stable auxiliary power routing and signal handling, the board enhances the consistency of excitation behavior during both steady-state and dynamic operating conditions. Its construction emphasizes electrical cleanliness and robust mechanical reliability, making it suitable for long-term use within generator control cabinets.
Technical Specifications
| Parameter |
Details |
| Brand |
GE |
| Model |
IS200EXAMG1BAA |
| Module Category |
Excitation Auxiliary Module |
| Platform |
Mark VI / Mark VIe |
| Functional Scope |
Auxiliary excitation signal conditioning & power routing |
| PCB Construction |
Multilayer board with conformal environmental coating |
| Mounting |
GE standard slot chassis |
| Operating Temperature |
–20°C to +65°C |
| Dimensions |
Approx. 230 mm × 160 mm × 25 mm (9.06 in × 6.30 in × 0.98 in) |
| Weight |
Approx. 0.55 kg (1.21 lb) |
Application Areas
The IS200EXAMG1BAA is typically integrated into excitation frameworks that demand precise auxiliary signal control. Common deployments include:
-
Voltage regulation assistance paths
-
Auxiliary power stabilization within excitation circuits
-
Generator field support systems
-
Modernization and replacement of earlier EXAM-series components
-
Environments requiring improved noise suppression
Its accurate response under varying electrical load supports stable generator output.
Benefits for System Engineers
-
Reliable filtering for low-level auxiliary signals
-
Helps maintain consistent excitation behavior under transient conditions
-
Solid PCB layout reduces electrical noise coupling
-
Minimal drift over long periods, contributing to regulator stability
-
Seamless mechanical interchangeability within GE architectures
Technical FAQs
-
What is the main function of the IS200EXAMG1BAA?
It stabilizes and routes auxiliary excitation signals and power.
-
Is it compatible with Mark VIe as well as Mark VI?
Yes, it supports both platforms.
-
Does it require calibration?
No calibration is necessary.
-
What issues occur if the module fails?
Distorted auxiliary signals or instability in excitation performance.
-
Is the board considered plug-and-play?
It operates upon installation without configuration.
-
Does it require external filtering hardware?
No—the board integrates its own filtering paths.
-
Can it handle high-frequency noise environments?
Yes, its layout minimizes adverse noise coupling.
-
Should the system be powered down before replacing it?
Yes, the module is not hot-swappable.
-
What is the typical operational lifespan?
Around 10–15 years under normal loading and cooling.
-
Does it tolerate cabinet vibration?
Yes, when mounted in its standard GE frame position.
Recommended Related Models
| Model |
Description |
| IS200EXAMG1AAB |
Earlier revision of the EXAM module |
| IS200EHPAG1AAC |
Excitation high-power assembly |
| IS200EGDMH1ADE |
Generator diagnostic monitoring card |
Popular GE Modules Used with This Unit
| Model |
Function |
| IS200RCSAG1ABB |
Current feedback and sensing |
| IS200DSPXH1CAA |
Digital signal processor module |
| IS200TBAOH1CCB |
Terminal and I/O interface board |
| IS200EDCFG1ADC |
Field control and diagnostics |
| IS200BPIBG1AEB |
Power interface distribution module |
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