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3 year warranty

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Part IS200EACFG1A Exciter AC Feedback Board produced by GE. This model supports up to 480 Vrms inputs and supports a single three-phase input voltage and uses 50/60 Hz to operate properly. This model bridges current feedback and ac voltage together.



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  • Part Number: IS200EACFG1A
  • Manufacturer: GE Industrial Systems
  • Series: EX2100 Excitation Control

IS200EACFG1A Technical Specifications

Air Core CT/Flux Coil Inputs 0-0.8 VRMS at 50/60 Hz
Board Description Exciter AC Feedback
Coil Inputs 4
Compatibility Non-Backwards
Functional Acronym/Abbreviation EACF
Location Exciter Auxiliary Cabinet
Voltage Input 480 VRMS

Product Description

The Exciter AC Feedback Board under the part number IS200EACFG1A is part of the EX2100 Series manufactured by General Electric Company. This specific model is a G1 version of the IS200EACFG modules. The G1 version of this module can support an individual three-phase input voltage and will have a nominal range of 480 VRMS with a positive twenty percent at fifty to sixty hertz. 

The IS200EACFG1A module is also labeled within the EX2100 Series as an input/output terminal board. The module also handles most of the bridge AC voltage and current feedback as it measures the exciter power potential transformer (PPT) AC voltage supply. There are three transformers contained within the board that will measure voltage for three phases. The IS200EACFG1A can connect to an EBKP backplane model. When connecting the IS200EACFG1A and EBKP backplane boards a cable no longer than ninety millimeters in length will connect the boards. The three screw connectors which are labeled TB1, TB2, and TB3, on the IS200EACFG1A model are strictly used for voltage inputs. 

On the IS200EACFG1A there are three 9-pin connectors which are J504, J509, and J514, the connectors are used for the cables which will connect the EBKP backplanes for the EMIO boards. 

Frequently Asked Questions about IS200EACFG1A

What is the primary function of the IS200EACFG1A board?

The primary function of the IS200EACFG1A board is to measure exciter PPT AC supply voltages and currents in the EX2100 Excitation Control Series. The IS200EACFG1A board is an Exciter AC Feedback (EACF) board. 

Is there a difference between the G1 models and other versions of the IS200EACF board?

Yes, this version of the EACF board supports a single three-phase input voltage and will operate in the nominal range of 480 VRMS plus twenty percent at 50/60 Hz. 

Is there noise suppression provided for the IS200EACFG1A board?

Yes, high frequency noise suppression for this board is provided near the point of signal entry. 

What are the transformers within the IS200EACFG1A board used for?

The transformers within the IS200EACFG1A board are used for three-phase voltage measurement as well as measurement for two flux/air core coils. 

Reviews For IS200EACFG1A

Internal Review

This model is one of three G versions of the IS200EACF models and has fewer VRMS than the other two G versions. - AX Control Technician

Repair Services For IS200EACFG1A

Type Lead Time Price Action
Repair Service 1-2 weeks $1145

Our highly skilled technicians can repair your IS200EACFG1A. 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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