Product Details
Configured for field insulation monitoring in EX2100 excitation control systems, the GE IS200EGDMH1A (IS200EGDMH1A Exciter Ground Detector Module) provides direct physical execution of ground fault resistance sensing. This hardware component serves as the primary EGDM module utilized to execute continuous resistance measurements between the generator field circuit and earth ground across both AC and DC excitation domains.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | IS200EGDMH1A |
| Brand | GE |
| Origin | USA |
| Dimensions | Double-slot, double-height (6U) form factor |
| Operating Temp | -30 deg C to 65 deg C |
| Power Consumption | System-dependent |
| Core Performance | Field ground fault detection |
Industrial Control and Firmware Compatibility
The IS200EGDMH1A installs directly into the Exciter Power Backplane (EPBP) rack. The module operates in conjunction with the EXAM attenuator module, which resides in the Auxiliary Panel's High Voltage Module. The EXAM measures the voltage across internal ground sensing resistors, allowing the EGDM to calculate field resistance values. In redundant system architectures, three EGDMs are deployed to ensure fault-tolerant monitoring, while simplex configurations utilize a single module. Backplane bus communication velocity and firmware flash compatibility are managed via the host excitation controller to maintain synchronized ground fault alerting. Integration requires precise adherence to the rack slot mapping defined by the system layout to ensure the EGDM effectively captures potential leakage paths across the entire excitation circuit.
Frequently Asked Questions
Q: Can the IS200EGDMH1A be hot-swapped during exciter operation?
A: No. The EGDM module is part of the power backplane rack. The exciter must be shut down and locked out before any module extraction or installation to avoid potential electrical hazards and backplane communication disruption.
Q: Is this module compatible with both simplex and redundant systems?
A: Yes. The IS200EGDMH1A supports both configurations. A simplex system requires one module, whereas a redundant system utilizes three EGDMs to maintain fault-tolerant ground detection coverage.
Field Installation Guidelines
- Mounting: Ensure the double-slot, 6U board is aligned correctly with the EPBP backplane connectors. Secure the module using the integrated ejector/locking levers to ensure rigid mechanical and electrical connection.
- Wiring: Verify the connection path between the EGDM and the EXAM attenuator module. Ensure all cabling between the High Voltage Module in the Auxiliary Panel and the power backplane is properly shielded to prevent noise in the resistance sensing circuit.
- Grounding: The board relies on the backplane chassis ground for reference. Verify that the power backplane rack is bonded to the main exciter cabinet ground bus.
- Inspection: Periodically verify the integrity of the ground sensing resistor connections. Ensure no debris or conductive dust is present in the rack, as this can affect the accuracy of the high-resistance insulation monitoring.
Additional Information
- 100% Genuine Parts: All products are original and authentic, ensuring reliable industrial performance.
- 30-Day Refund Guarantee: Return any in-stock item within 30 days in original, unopened packaging for a full refund (excluding shipping and fees).
- 12-Month Warranty: Covers defects in materials or workmanship; excludes misuse, normal wear, or unauthorized modifications.
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- Support & Contact: Technical and warranty assistance is available anytime. Contact us here: Contact.
- Purchase Guidance: Check product specifications and compatibility carefully before ordering to ensure proper application.
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