DS200AAHA1	GE Turbine Control	Mark V

DS200AAHA1	GE Turbine Control	Mark V

Home GE Boards & Turbine Control EX2100 & EX2100e Excitation Control IS200EDEXG1A

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IS200EDEXG1A

4.80 (5)
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4.80 (5)
Click a star to rate this product

The GE IS200EDEXG1A functions as the primary PCB in an EX2100 De-Excitation Module and specifically functions to allow conduction sensing feedback, voltage retention during power failure, and de-excitation firing. The product manual for the IS200EDEXG1A is GEI-100466.

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Part Number: IS200EDEXG1A
SKU: IS200EDEXG1AGBTC

Manufacturer: GE Industrial Systems
Series: EX2100 Excitation Control

Description
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Manuals

IS200EDEXG1A Technical Specifications

Alphanumeric Catalog Number	IS200EDEXG1A
Common Revisions	ABA
Configurable Jumpers	JP1, JP2, JP3, JP4, JP5, JP6
Functional Acronym (Abbreviation)	EDEX
Manual	GEI-100466 (Series Manual GEH-6632)
Manufacturer	GE Industrial Systems, General Electric Company USA
Product Type	De-Excitation Module Main Board
Repairable Y/N	Yes
Series	EX2100 Excitation Control System
Version	Group 1 (G1) - Designed for SCR De-Excitation
Weight	3lbs 6oz

Product Description

The IS200EDEXG1A model is a De-Excitation module that is primarily used to function as a bridge and protection board. The prime purpose of this board is to store energy that has been provided to the generator, the energy that has been provided to the generator must be dissipated upon shutdown.

It is important when operating this board that you note that the IS200EDEXG1A board is typically controlled by the EXTB. This module provides conduction sensing feedback, plus voltage retention which will ensure that the board can still operate in case a power-failure event occurs and allows for SCR de-excitation firing. When two of the control inputs reads as true or the anode to cathode voltage related to the SCR exceeds a certain value that is when the SCR de-excitation will fire.

This board comes equipped with Hall effect conduction sensors which will sense the magnetic field produced by field current discharge that flows through the thyristor. The IS200EDEXG1A board receives power from the ESPM module, the power that should be received from that module should be 24 VDC; the EDEX module will then turn the power received into 125 VDC.

Frequently Asked Questions about IS200EDEXG1A

What are the shutdown operations on the IS200EDEXG1A board?

There are two shutdown operations on the IS200EDEXG1A board. One is a normal shutdown which is a stop that is initiated by an operator, the bridge will be fired at retard limit which allows sufficient time for the field to decay before the field contactors are opened. The second shutdown is an abort stop, the field contactors in this shutdown will be opened immediately.

The EDEX board is typically controlled by the EXTB board, if the EDEX board fails can the EXTB board initiate de-excitation?

Yes. The EXTB board can initiate de-excitation if necessary.

Can more than one EDEX module be connected?

Yes! It is possible to connect more than one de-excitation module with one EDEX board configured to be the Master while the remaining de-excitation modules are configured to be Slave modules. If more than one module has been connected then a firing control signal will be sent to the Master module and will then be relayed to the Slave modules, firing all modules simultaneously.

There are two groups of EDEX models, what is the difference between the two?

The difference between the two EDEX models is that the group one board is designed specifically for SCR de-excitation and the group two board is designed for diode de-excitation.

Reviews For IS200EDEXG1A

Internal Review

(5.0)

The IS200EDEXG1A De-Excitation Board is a complex board but is usually repairable. Often the onboard capacitor decay/fail and are in need of replacement. The re-installation process however is quite simple and requires all cables to be reattached and jumpers aligned relative to the application requirements - AX Control Technician

Repair Services For IS200EDEXG1A

Type	Lead Time	Price	Action
Repair Service	1-2 weeks	$945

Our highly skilled technicians can repair your IS200EDEXG1A. All of our repairs come with a 3 Year AX Control Warranty. Please contact us for additional information about our repair process. To receive the repair pricing and lead time listed above please process your repair order via our website. The following repair options may be available upon request:

48-72hr Rush Repair
Detailed Repair Reports
AX Control Certificate of Warranty

AX Control Warranty Info

All products we sell are backed by our unparalleled warranty. A warranty certificate will be provided with your order upon request.

All PLCs, HMIs, and Turbine Control Boards:	3 Years
All AC/DC and Servo Drives:	2 Years
All Motors:	1 Year

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