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IS200EDFFH2A

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Designed for dual-control EX2100e feedback, General Electric IS200EDFFH2A is a DC fanned feedback board that measures SCR-bridge field current and voltage.
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Technical specifications for IS200EDFFH2A

  • Manufacturer:
    General Electric
  • Part Number:
    IS200EDFFH2A
  • Product Family:
    GE Excitation Control
  • Product Type:
    DC Fanned Feedback Board
  • Stock:
    1
  • Functional Acronym:
    EDFF
  • Board Group:
    H2
  • Control Architecture:
    Dual
  • Measured Quantities:
    Field current and field voltage
  • Current Sensing:
    Shunt in the dc field circuit
  • Voltage Scaling:
    Eight selector settings
  • Controller Interface:
    High-speed fiber-optic link to EAUX
  • 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 Feedback Conversion Optical Isolation Scaling Setup Dual Architecture

Features:

  • Measures both field current and field voltage at the EX2100e SCR bridge.
  • Converts the two measurements into independent frequency feedback signals.
  • Uses an optical link to isolate bridge feedback from the EAUX interface.
IS200EDFFH2A belongs to the dual-control H2 group rather than the TMR or simplex EDFF groups.

Current feedback originates at a shunt in the dc field circuit before entering the converter channel.

Eight selection positions allow the field-voltage channel to accommodate the bridge voltage range.

Apter Power supports the General Electric IS200EDFFH2A DC Fanned Feedback Board with sourcing and technical information.
General Electric IS200EDFFH2A DC Fanned Feedback Board Manuals,Datasheets,Link 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.

Measurement Processing

  • Current Channel: IS200EDFFH2A receives its input from a dc-field shunt.
  • Voltage Channel: A separate circuit measures the exciter or regulator output.
  • Signal Format: Both analog quantities are changed into frequency feedback.
  • Converter Count: One V-F circuit is assigned to current and one to voltage.

EAUX Feedback Link

  • Connected Board: Feedback passes between EDFF and the EAUX auxiliary interface.
  • Transmission Medium: The inter-board connection is high-speed fiber optic.
  • Electrical Boundary: The optical path provides voltage isolation between the boards.
  • Noise Behavior: Fiber transmission improves immunity near the SCR power bridge.

Bridge Voltage Selection

  • Adjustment Method: Eight selector settings establish the voltage-feedback scale.
  • Selection Basis: The setting follows the voltage of the connected bridge application.
  • Measured Location: Field voltage is taken at the exciter or regulator output.
  • Independent Path: Voltage scaling does not change the separate field-current channel.

H2 Control Arrangement

  • Group Code: H2 identifies the dual-control version of IS200EDFFH2A.
  • Alternative Groups: H1 is assigned to TMR and H3 to simplex EDFF systems.
  • Feedback Fan-out: EDFF converter circuits support redundant control signal paths.
  • System Position: The board sits between SCR bridge measurements and the EAUX interface.
Description
General Electric IS200EDFFH2A is the H2 DC Fanned Feedback board in the EX2100e excitation-control architecture. It measures field current and field voltage at the SCR bridge and passes the resulting feedback toward the EAUX auxiliary interface.

Field current reaches General Electric IS200EDFFH2A through a shunt in the dc field circuit. The voltage-feedback side provides eight selector settings so the measurement scale can be aligned with the bridge voltage used by the installation.

Two voltage-to-frequency converter circuits on General Electric IS200EDFFH2A separately transform current and voltage measurements into frequency feedback signals. The H2 group assigns this feedback hardware to a dual-control arrangement.

Communication between General Electric IS200EDFFH2A and EAUX uses a high-speed fiber-optic link. This optical path isolates the two boards electrically while improving immunity to the high-noise conditions surrounding the power bridge.
Alternative Names
GE IS200EDFFH2A IS200-EDFF-H2A IS 200 EDFF H2A EX2100e EDFF H2A General Electric IS200EDFFH2A EDFF Dual Feedback Board IS200 EDFF H2A IS200EDFFHZA
Technical notes
General Electric IS200EDFFH2A is the H2 dual-control feedback board for EX2100e field-current and field-voltage measurement.
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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.
How should the control architecture be checked before using IS200EDFFH2A?
IS200EDFFH2A is the H2 EDFF configuration for a dual-control system; H1 and H3 identify different redundancy arrangements.
What should be examined when IS200EDFFH2A reports an incorrectly scaled field voltage?
Review the eight voltage-selector settings on IS200EDFFH2A and match the selected scale to the actual SCR bridge application.
Why is the feedback connection between IS200EDFFH2A and EAUX fiber optic?
The high-speed optical link gives IS200EDFFH2A voltage isolation from EAUX and improves immunity to bridge-area electrical noise.
Where does IS200EDFFH2A obtain its field-current measurement?
IS200EDFFH2A receives field-current information from the shunt installed in the dc field circuit at the bridge.
How are the two feedback quantities separated inside IS200EDFFH2A?
IS200EDFFH2A uses one voltage-to-frequency converter for field current and another for field voltage, keeping the two frequency signals distinct.
Which downstream path should be traced if IS200EDFFH2A measurements do not reach control?
Follow the high-speed fiber-optic connection from IS200EDFFH2A to the EAUX auxiliary interface before checking the controller sections.