The IS200EDEXG2A is an Exciter De-excitation Board produced by General Electric as part of their EX2100e series. This model uses SCR firing for conduction paths. IS200EDEXG2A is also equipped with dual independent firing control circuits.

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Product Description

The IS200EDEXG2A model is part of the EX2100e series produced by General Electric. This model is the primary Exciter De-excitation board. During operation, the primary function of this model is to fire SCR functions, which will then allow the conduction paths to go through the field discharge inductor, allowing the field energy to be dissipated. If this model is being used in larger excitation systems it is highly recommended that EDEX models are paralleled. This model is also equipped with dual independent firing control circuits. 

The IS200EDEXG2A board is not only used as the main board in the de-excitation module, but it is also one of the primary boards in the crowbar module. The EDEX board is connected to the EAUX board and is controlled by this board for de-excitation, but the EDEX board can self-initiate de-excitation if the EAUX board fails. The EDEX board can also sense magnetic fields produced by the field discharge currents that are flowing through the thyristor through the mounted Hall effect conduction sensors featured on this board. 

Product Introduction：

Main products, advantageous supply, and sufficient inventory

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Motorola: MVME162, MVME167, MVME1772, MVME177 and other series XOOL: 1/0, Vne board and processor. (For example: XVME-653, XVME-674, XVME-976)

Rockvell (Allen Bradley): 1756, 1757, 1753, 1394 series. (For example: 1756-L73XT1756-L611757-SRM)

◆ Reliance: discontinued spare parts (e.g. 0-60002-6, 5-D4022, S-D4006-D)

Westinghouse Emerson: VE3007CE3008, 5X00105G145X00119G01, 1X00416H011X00416H01

Schneider: 14