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  • 4.67 (3)
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The IS200ECTXG1A board was manufactured by General Electric as part of the EX2100e system. This board is an Exciter CT Expansion board. The IS200ECTXG1A model is used with a number of different Thyristor systems, such as a seventy-seven-millimeter Thyristor system.



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  • Part Number: IS200ECTXG1A
  • Manufacturer: GE Industrial Systems
  • Series: EX2100e Excitation Control

IS200ECTXG1A Technical Specifications

Board Type Exciter CT Expansion Board
Functional Acronym/Abbreviation ECTX
Manual GEA-S1302A EX2100e Excitation Control Manual
Manufacturer GE Industrial Systems, General Electric Company US
Series EX2100e
Storage Temperature -40 to +70 °C
Thyristor Systems 100, 77, 53, and 42 mm

Product Description

The IS200ECTXG1A model was designed as part of the EX2100e Series of devices. The ECTX model is an Exciter Current Transformer Expansion (ECTX) board that connects with an EX2100e System Interface Board (ESYS) board. The ECTX model is a daughterboard to the ESYS model. This model is a Digital Controller and will be connected to a Thyristor system. This model will typically operate on a power supply of 28 VDC. 

This model has the potential to support a variety of Ethernet local area networks (LAN) communications such as GE OnSite support, which is used for diagnostics and monitoring, as well as Customer DCS through Modbus remote terminal units. 

The IS200ECTXG1A model contains a single isolation current transformer, the purpose of this transformer is to measure generator currents. There is an option for a third CT interface between the EX2100e static excitation controller and the customer-generator. 

There is a part-specific manual labeled as the GEI-100775, that can be used when operating and installing the IS200ECTXG1A model, but it can be extremely difficult to find online. You can find information regarding this model in the GEH-6781 EX2100e Excitation Control User’s Guide. 

If you would like to purchase this board, please reach out to us during our Monday through Friday business hours so our sales representatives can help you find this board or receive a pricing quote. 

Reviews For IS200ECTXG1A

Internal Review

The IS200ECTXG1A model can supply three current transformer applications but if doing so needs the proper power supply to do so, please ensure that when operating this model you are using the correct power sources, anything less than required could result in errord. - AX Control Technician

Repair Services For IS200ECTXG1A

Type Lead Time Price Action
Repair Service 1-2 weeks $1990

Our highly skilled technicians can repair your IS200ECTXG1A. 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
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All Motors: 1 Year
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