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IS200EACFG1A

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General Electric IS200EACFG1A Exciter AC Feedback Board measures EX2100 power-potential-transformer voltage and flux-coil current for inputs up to 480 V rms.
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Technical specifications for IS200EACFG1A

  • Manufacturer:
    General Electric
  • Part Number:
    IS200EACFG1A
  • Product Family:
    GE Excitation Control
  • Product Type:
    Exciter AC Feedback Board
  • Stock:
    1
  • Control system:
    GE EX2100 excitation control
  • Voltage version:
    EACFG1
  • Maximum ac input:
    480 V rms
  • Voltage measurement:
    Three-phase transformer input
  • Current-sensing inputs:
    2 Flux/Air core coils
  • Controller outputs:
    3 DB9 connections for M1, M2 and C
  • Maximum feedback-cable length:
    90 m
  • Mounting location:
    Exciter auxiliary cabinet
  • Tariff Code:
    8537101190
  • Country of origin:
    USA
  • Place of shipment:
    Xiamen,Fujian,China
By purchasing this item, you agree to the Terms & Conditions, ApterPower is not an authorized distributor for listed manufacturers or tradenames and therefore the manufacturer's warranty does not apply. All our products come with ApterPower's 1-year warranty.

More Information

Overview Manuals Voltage Path Coil Inputs Controller Links Cabinet Wiring

Features:

  • Conditions three-phase ac feedback inside the exciter auxiliary cabinet.
  • Combines PPT voltage transformers with two Flux/Air core current inputs.
  • Distributes common measurements to M1, M2 and C through separate connectors.
The G1 hardware is the lowest-voltage member of the EACF range and is selected for sources that do not exceed 480 V rms.

Transformer isolation produces low-level voltage signals while the coil inputs capture bridge-current information without placing conventional CT secondaries on the board.

Input filtering and short shield-ground paths limit high-frequency interference before the shared feedback is divided among controllers.

Quotation help and access to official manufacturer literature are available from Apter Power for the General Electric IS200EACFG1A Exciter AC Feedback Board.
General Electric IS200EACFG1A Exciter AC Feedback Board Manuals, Datasheets, Links Important Notice: Other accessories, manuals, cables, calibration data, software, etc. are not included with this equipment unless listed in the above stock item description. All prices are shown in USD.

From PPT terminals to control-level feedback

  • Three phases: The input transformer network samples the exciter ac source across all phases.
  • G1 ceiling: Application voltage must remain within the 480 V rms rating of this version.
  • Low-level output: Transformer secondary signals are suitable for transfer into the controller rack.
  • Shared source: One measurement set is distributed rather than recreated separately in each controller.

Managing Flux/Air core measurements

  • Two channels: Independent coil terminals accept the ac current-related feedback signals.
  • Entry filtering: High-frequency suppression is applied close to the point where the leads enter.
  • Shield termination: Ground screws sit within three inches of the applicable input terminals.
  • Lead discipline: Coil polarity and shield routing must stay consistent through cabinet work.

Keeping three feedback destinations distinct

  • M1 connector: One DB9 cable carries the conditioned channels to the first controller.
  • M2 connector: A separate path supplies the second control channel in a redundant arrangement.
  • C connector: The third output provides the shared controller with the same measurement source.
  • Cable reach: The board-to-backplane connection supports runs up to 90 m.

Protecting signal quality in the auxiliary enclosure

  • Board location: The feedback terminal board mounts with the high-voltage interface equipment.
  • Ground reference: Shield screws bond to chassis ground near the signal entry point.
  • Route separation: Low-level outputs should remain separated from noisy power conductors.
  • Post-work comparison: M1, M2 and C values should agree before the excitation system is returned to service.
Description
General Electric IS200EACFG1A Exciter AC Feedback Board is the EX2100 auxiliary-cabinet interface that conditions ac voltage and current feedback from the power conversion source.

A three-phase transformer network on IS200EACFG1A reduces exciter PPT voltage to controller-level signals, while two Flux/Air core coil inputs provide the associated current measurements.

The conditioned circuits from IS200EACFG1A are fanned to separate DB9 connections for controllers M1, M2 and C, supporting the three control channels from one feedback board.

As the G1 voltage version, IS200EACFG1A accepts applications up to 480 V rms; input-side noise suppression and nearby chassis-ground shield terminals protect signal quality in the auxiliary cabinet.
Alternative Names
General Electric IS200EACFG1A IS200 EACF G1A IS-200-EACFG-1A IS200EACF G1A GE IS200EACFG1A I5200EACFG1A IS 200EACFG1A IS200 EACFG1A
Technical notes
IS200EACFG1A is limited to the G1 voltage range; G2 and G3 EACF boards are different input-range versions, not drop-in range extensions.
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FAQS

The following is a list of questions commonly asked by our customers. Please contact us if you have a question about our process that is not answered below.
Why would IS200EACFG1A show noisy current feedback after a cable change?
Check the IS200EACFG1A Flux/Air core leads, input noise suppression and shield grounding near the terminal screws.
Can IS200EACFG1A be used on a 1,000 V rms exciter source?
No. IS200EACFG1A is the G1 version for inputs up to 480 V rms; higher ranges use different EACF versions.
How should unequal M1, M2 and C readings from IS200EACFG1A be isolated?
Compare the three IS200EACFG1A DB9 output paths and their cables before suspecting the common transformer input circuits.
What causes IS200EACFG1A voltage feedback to disappear on all controllers?
A common loss at the IS200EACFG1A three-phase PPT input or its transformer path can affect M1, M2 and C together.
Why must the IS200EACFG1A shield connection remain close to the inputs?
IS200EACFG1A uses nearby chassis-ground shield terminals to control interference before it enters the low-level feedback circuits.
What should be confirmed before extending an IS200EACFG1A feedback cable?
Keep the IS200EACFG1A cable within the 90 m limit and preserve the controller-specific DB9 destination at both ends.
Which cabinet location should be checked when replacing IS200EACFG1A?
IS200EACFG1A belongs in the exciter auxiliary cabinet, where the PPT and Flux/Air core wiring reaches the feedback board.