DS200EXDEG1A GE De-Excitation Board

GE DS200EXDEG1A Mark V De-Excitation Control Board

GE DS200EXDEG1A Mark V De-Excitation Control Board

Availability: 10 left in stock

The GE DS200EXDEG1A, also cataloged as the DS200EXDE De-Excitation Control Board, operates as a dedicated hardware component for high-voltage energy...

SKU: DS200EXDEG1A

Manufacturer: General Electric
Product No.: DS200EXDEG1A
Product Type: Control Boards
Product Origin: China
Payment:T/T, Western Union
Weight: 750g
Shipping port: Xiamen
Warranty: 12 months

Description Reviews

The GE DS200EXDEG1A, also cataloged as the DS200EXDE De-Excitation Control Board, operates as a dedicated hardware component for high-voltage energy discharge sequence execution and field circuit de-excitation within Mark V Speedtronic Turbine Control System platforms.

Hardware Specifications

Parameter	Specification
Model	DS200EXDEG1A
Brand	GE (General Electric)
Origin	USA
Weight	Standard PCB footprint
Dimensions	Standard Mark V card slot size
Operating Temp	0 to 60 deg C
Power Consumption	Bus line driven
Functional Acronym	EXDE
Product Type	De-Excitation Control Board
Signal Interfacing	2 34-pin connectors, 2 10-pin connectors
Diagnostic Interface	5 operational status LEDs (OK indicators)
Energy Storage	8 high-voltage storage capacitors
Circuit Customization	Terminal connectors for jumper cable configuration
Test Points	Onboard physical verification points
PCB Coating	Normal Coating
Functional Revision	Group 1, Revision A

Backplane Bus Communication Velocity & I/O Density Scaling

The DS200EXDEG1A maintains fast response execution during field de-excitation events by routing trigger signals directly through dual 34-pin and dual 10-pin connectors. Onboard high-voltage storage capacitors discharge rapidly upon receiving logic commands, isolating the field circuit without introducing signal propagation delays to adjacent control loops. This direct hardware interfacing maintains high backplane bus communication velocity and total firmware flash compatibility across Mark V turbine generator control racks.

Frequently Asked Questions

Q: What is the function of the five LEDs on the DS200EXDEG1A board?

A: The five OK LEDs provide immediate hardware diagnostic status; they illuminate upon passing initial startup checks and remain lit during normal operation if no faults are detected.

Q: How are energy storage components handled safely during maintenance on the DS200EXDEG1A?

A: The board contains eight high-voltage capacitors that retain electrical energy during power cycles. Technicians must de-energize primary feeds and verify zero residual voltage across test points before handling the board.

Field Installation Guidelines

Disconnect all main power inputs to the turbine control cabinet and isolate external field excitation lines prior to servicing.
Allow adequate time for onboard capacitors to bleed down, then confirm zero voltage state across test points with a calibrated multi-meter.
Wear a grounded ESD wrist strap to protect static-sensitive components during handling.
Set hardware jumper cables over designated terminal connectors in accordance with original system drawings.
Align and seat all 34-pin and 10-pin ribbon connectors into their respective keyed headers, verifying retainers are locked before reapplying control power.

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