{"product_id":"ge-is200egdmh1a-exciter-ground-detector-module","title":"GE IS200EGDMH1A Exciter Ground Detector Module","description":"\u003cp\u003eConfigured for field insulation monitoring in EX2100 excitation control systems, the \u003cstrong\u003eGE IS200EGDMH1A\u003c\/strong\u003e (\u003cstrong\u003eIS200EGDMH1A\u003c\/strong\u003e 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.\u003c\/p\u003e\n\u003ch3\u003eHardware Specifications\u003c\/h3\u003e\n\u003cfigure class=\"table\"\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003e\u003cstrong\u003eParameter\u003c\/strong\u003e\u003c\/th\u003e\n\u003cth\u003e\u003cstrong\u003eSpecification\u003c\/strong\u003e\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel\u003c\/td\u003e\n\u003ctd\u003eIS200EGDMH1A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eGE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOrigin\u003c\/td\u003e\n\u003ctd\u003eUSA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003eDouble-slot, double-height (6U) form factor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOperating Temp\u003c\/td\u003e\n\u003ctd\u003e-30 deg C to 65 deg C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower Consumption\u003c\/td\u003e\n\u003ctd\u003eSystem-dependent\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCore Performance\u003c\/td\u003e\n\u003ctd\u003eField ground fault detection\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/figure\u003e\n\u003ch3\u003eIndustrial Control and Firmware Compatibility\u003c\/h3\u003e\n\u003cp\u003eThe 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.\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003eQ: Can the IS200EGDMH1A be hot-swapped during exciter operation?\u003c\/p\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003cp\u003eQ: Is this module compatible with both simplex and redundant systems?\u003c\/p\u003e\n\u003cp\u003eA: 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.\u003c\/p\u003e\n\u003ch3\u003eField Installation Guidelines\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: 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.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWiring\u003c\/strong\u003e: 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.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGrounding\u003c\/strong\u003e: 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.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInspection\u003c\/strong\u003e: 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.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"General Electric","offers":[{"title":"Default Title","offer_id":52984019288373,"sku":"IS200EGDMH1A","price":66.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0973\/7630\/5461\/files\/IS200EGDMH1A2.png?v=1781084208","url":"https:\/\/www.5gplc.com\/products\/ge-is200egdmh1a-exciter-ground-detector-module","provider":"High Five PLC Solution Limited","version":"1.0","type":"link"}