GE IS200EGDMH1A Exciter Ground Detector Module

GE IS200EGDMH1A Exciter Ground Detector Module

The General Electric IS200EGDMH1A is an Exciter Ground Detector Module for EX2100 excitation control systems. This EGDM board measures field circuit resistance to ground in generator systems. It operates in both simplex and redundant configurations for reliable ground fault detection.

Technical Specifications

• Manufacturer: General Electric (GE)
• Model Number: IS200EGDMH1A
• Series: EX2100 Excitation Control
• Product Type: Exciter Ground Detector Module
• Functional Acronym: EGDM
• Operating Temperature: -30°C to +65°C
• Mounting Location: Exciter Power Backplane (EPBP)
• Form Factor: Double slot, double height (6U)
• Manual Reference: GEI-100467
• Country of Origin: USA

Physical Specifications

• Height: 9 inches (228.6 mm)
• Depth: 6 inches (152.4 mm)
• Faceplate Width: 1.5 inches (38.1 mm)
• Weight: 1 pound 3 ounces (0.54 kg)
• Mounting: EPBP rack mounting

System Configuration

• Simplex System: 1 EGDM module required
• Redundant System: 3 EGDM modules (M1, M2, C)
• Communication: Fiber optic links to DSPX module
• Signal Processing: Differential amplifier with VCO converter
• Voltage Measurement: ±50V square wave test signal

Frequently Asked Questions (FAQ)

• How many modules are needed for a system? 1 for simplex, 3 for redundant configuration.
• What does the EGDM measure? Field circuit resistance between any point and ground.
• What is the operating temperature range? -30°C to +65°C industrial range.
• Where does it mount? In the Exciter Power Backplane (EPBP) rack.
• What are the LED indicators for? Power, active status, and master selection.
• What is the repair turnaround time? 3-7 days for professional repair service.

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