GE IS200EGDMH1AAB is a Printed Circuit Board for Mark VIe systems, functioning as the core of the Exciter Ground Detector Module. It detects ground faults in generator exciter field circuits via AC signal injection and impedance monitoring, providing high sensitivity, isolation, diagnostics, -40°C to +70°C operation, and UL/CE compliance for reliable industrial protection.
GE IS200EGDMH1AAB Printed Circuit Board: Comprehensive Product Overview
The GE IS200EGDMH1AAB is a mission-critical printed circuit board (PCB) engineered as an Exciter Ground Detector Module for GE’s Speedtronic Mark VI turbine control system and EX2100 excitation control ecosystem. Its core function is to monitor field leakage resistance between any point in a generator’s AC/DC excitation circuit and ground, enabling early detection of ground faults that could lead to winding burnout, excitation system trips, or unplanned power outages. As a double-slot, 6U form factor board, IS200EGDMH1AAB mounts directly into the Exciter Power Backplane Rack (EPBP) and operates in tandem with the EXAM (Attenuator Module), which senses voltage across ground-sense resistors and transmits signals to IS200EGDMH1AAB via a dedicated nine-conductor cable.
In system configurations, a simplex setup requires one module, while redundant systems utilize three
units configured as Controller (C), Master 1 (M1), and Master 2 (M2)—with roles defined by program
pins on the P2 backplane connector . The board communicates with the DSPX controller module via
the EISB (Exciter Internal Serial Bus) using fiber-optic links, ensuring low-latency data transmission
and immunity to electromagnetic interference (EMI) in high-voltage industrial environments . Key
hardware features include a high-common-mode-rejection-ratio (CMRR) signal conditioner, isolated
power supply for personnel safety amid high common-mode voltages, two backplane connectors
(P1/P2), integrated relays, and LED status indicators for quick troubleshooting . Built with a conformal-
coated PCB and rugged metal housing, it withstands extreme operating temperatures (-40°C to 70°C)
and harsh conditions in power plants, steel mills, and petrochemical facilities .
Detailed Specification Table
Category
Details
Core Function
Detects AC/DC field leakage resistance in generator excitation circuits; works with EXAM module to prevent ground-fault-induced equipment damage .
Mechanical Specifications
Double-slot, 6U form factor; dimensions align with EPBP backplane requirements; metal housing with conformal-coated PCB (IPC-CC-830B compliant) .
Electrical Parameters
Input voltage: 24V DC (compatible with GE IS200-series power supplies); integrated isolated power source for signal conditioning circuitry; high-voltage capacitors and metal film resistors .
Environmental Ratings
Operating temperature: -40°C to 70°C; resistant to dust, moisture, and chemical contaminants; EMI-shielded design for industrial environments .
Communication & Control
Fiber-optic link to DSPX module via EISB bus; integrates with EXAM attenuator module; supports simplex (1 module) or redundant (3 modules: C/M1/M2) configurations .
System Compatibility
GE Speedtronic Mark VI turbine control system; EX2100 excitation controllers; EPBP backplane racks .
Installation & Maintenance
Hot-swappable in redundant setups; front-panel LED indicators for fault/alarm status; P1/P2 backplane connectors; configured via P2 pin programming .
Key Compliance & Docs
Complies with GE industrial control standards; technical specifications detailed in GEH-6632 (EX2100 Excitation Control User’s Guide) .
Our Advantages
1.100% Origin goods
2.In stock
3.1-year warranty
4.Timely delivery (1-3working days)
5.Competitive price.
Great benefits
1. lower your support costs
2. Provide on-going availability of automation replacement parts
3. Large number of inventory
4. Support door-to-door inspection
Service
Q1.Quality Guarantee
we give 1 year guarantee to ensure your business.
Q2.MOQ
1 piece
Q3.Payment terms
T/T
Q4.Currency
USD,RMB,EUR,GBP
Q5.Package
Shipment port: we export from Xiamen
Q6.Customer Service
24 hours by email
FAQs
What is IS200EGDMH1AAB?
IS200EGDMH1AAB is an Exciter Ground Detector Module for GE Mark VI and EX2100 excitation control systems.
What is the main function of IS200EGDMH1AAB?
IS200EGDMH1AAB monitors field leakage resistance and detects ground faults in generator AC/DC excitation circuits.
How does IS200EGDMH1AAB obtain detection signals?
IS200EGDMH1AAB receives voltage signals from the EXAM attenuator module through a nine-conductor cable.
What is the form factor and installation of IS200EGDMH1AAB?
IS200EGDMH1AAB is a double-slot 6U board that mounts in the Exciter Power Backplane Rack (EPBP).
