IS200EACFG1BAA GE EX2100 Exciter AC Feedback Board

Product Description

The GE IS200EACFG1BAA, based on the IS200EACF Exciter AC Feedback Board designation, measures three-phase AC voltage from the exciter Power Potential Transformer (PPT) and receives current signals from two flux or air-core current sensors. It belongs to the GE EX2100 excitation control system and provides conditioned measurement signals to the M1, M2, and C controller interfaces.

Hardware Specifications

EX2100 AC Feedback and Signal Conditioning

The EACF board provides voltage and current measurement interfaces for the excitation system. Its voltage input transformers provide electrical isolation and reduce the input voltage for internal measurement circuits. Two flux or air-core sensor connections receive exciter current signals for conditioning and transmission to the controller interfaces.

The three D-sub connectors J504, J509, and J514 provide connections associated with the M1, M2, and C controller paths through the EBKP backplane architecture. Confirm the applicable cable assembly and connector mapping against the system drawings before wiring.

The supplied documentation identifies two EACF voltage-rating variants:

• EACFG1: Input voltage up to 480 V RMS.
• EACFG2: Input voltage up to 1000 V RMS.

These ratings describe the stated variant options. Do not assume the 1000 V RMS rating applies to the IS200EACFG1BAA assembly without confirming its hardware identification.

Frequently Asked Questions

Q: What electrical signals does the IS200EACFG1BAA measure?

A: It measures three-phase AC voltage from the exciter PPT and accepts current signals from two flux or air-core current sensors.

Q: Which connectors interface with the EX2100 controller system?

A: The board uses three 9-pin D-sub connectors identified as J504, J509, and J514 for connections associated with the controller paths through the EBKP backplane.

Q: Can the board be hot-swapped during operation?

A: The supplied information does not establish hot-swap support for this exact assembly. Confirm the applicable EX2100 hardware revision, isolation requirements, and maintenance procedure before removing or replacing the board.

Field Installation Guidelines

1. Verify the hardware identity. Confirm the complete part number, assembly revision, and voltage-rating designation before installation.
2. Isolate the circuit. Follow the site's electrical isolation and lockout procedures before disconnecting voltage or current measurement wiring.
3. Check voltage inputs. Connect the three-phase PPT measurement circuits to the designated terminals according to the applicable GE wiring diagram.
4. Check current sensor wiring. Verify the two flux or air-core sensor connections at TB4, including polarity and cable identification where specified.
5. Route signal cables correctly. Separate measurement wiring from high-current conductors and switching-noise sources where practicable.
6. Terminate cable shields correctly. Follow the system grounding diagram and use the designated shield termination points. Avoid creating unintended ground loops.
7. Inspect controller connections. Verify J504, J509, and J514 connector seating and confirm the corresponding cable destinations at the EBKP backplane.
8. Verify commissioning signals. Before returning the system to service, check voltage and current measurement values against approved commissioning procedures and controller diagnostics.

Other Attributes

• Series: GE Multilin 350 Feeder
• Country of Origin: USA
• Lead Time: In Stock, 2 Working Days

In Stock Hot Items of The GE General Electric Mark VI 

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