GE IS200VSVOH1B
GE IS200VSVOH1B
GE IS200VSVOH1B
GE IS200VSVOH1B
GE IS200VSVOH1B
GE IS200VSVOH1B
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IS200VSVOH1B

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General Electric IS200VSVOH1B is a Mark VI VSVO servo control board used to regulate electrohydraulic steam and fuel valves with LVDT/R position feedback.
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Technical specifications for IS200VSVOH1B

  • Manufacturer:
    General Electric
  • Part Number:
    IS200VSVOH1B
  • Product Family:
    GE Mark VI Gas Turbine Control
  • Product Type:
    Mark VI Servo Control Board
  • Stock:
    1
  • Board Function:
    VSVO Servo Control
  • Servo Loops:
    4
  • Primary Applications:
    Steam and fuel valve electrohydraulic control
  • Position Feedback:
    LVDT/R inputs with excitation and demodulation
  • Terminal Board Compatibility:
    TSVO or DSVO as documented for the installed system
  • Rack Connections:
    Front J5 and VME-rack J3/J4 connections documented for VSVO
  • TMR Connections:
    JR1, JS1, and JT1 in documented redundant arrangements
  • Diagnostics:
    Servo voltage, current, relay state, and feedback monitoring
  • 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 Servo Setup Terminal Match Application
  • Implements four electrohydraulic servo-valve control loops
  • Processes LVDT/R position feedback for closed-loop valve positioning
  • Interfaces with documented TSVO or DSVO terminal-board arrangements

IS200VSVOH1B is a Mark VI VSVO board used in turbine electrohydraulic control assemblies.

The board combines servo-current drive, position-feedback processing, loop regulation, relay protection, and diagnostic monitoring for controlled valve movement.

Before installation, match the H1B identity, rack architecture, terminal board, feedback channels, servo-current selection, cable connections, and validated control constants.

Availability, condition, price, and shipping time for IS200VSVOH1B are confirmed during quotation.

General Electric IS200VSVOH1B Mark VI Servo Control Board Manuals, Product Family, 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.

  • Connect and verify the documented LVDT/R feedback channels
  • Confirm excitation, polarity, scaling, and redundant-channel agreement
  • Calibrate position only under the approved valve procedure
  • Match the configured servo-current range to the installed actuator
  • Preserve regulator constants, command limits, and null-bias settings
  • Verify suicide-relay and output-enable behavior before motion
  • Identify whether the installation uses TSVO or DSVO hardware
  • Preserve J5 and VME-rack connection arrangements during replacement
  • Match JR1, JS1, and JT1 paths in a TMR configuration
  • Electrohydraulic positioning of steam-turbine control valves
  • Electrohydraulic positioning of turbine fuel-control valves
  • Closed-loop servo-actuator control using LVDT/R position feedback in a Mark VI system
Description
IS200VSVOH1B is a General Electric Mark VI servo control board for electrohydraulic valve-control loops.

The board supports four servo loops with LVDT/R feedback processing, selectable servo-current drive, diagnostic monitoring, and documented TSVO or DSVO terminal-board connections.

Before replacement, confirm the complete H1B identity, rack location, TMR or simplex arrangement, terminal board, servo-current range, feedback excitation, cabling, and calibrated valve setup.
Alternative Names
IS200VSVOH1B GE IS200VSVOH1B General Electric IS200VSVOH1B GE Mark VI IS200VSVOH1B Mark VI VSVO IS200VSVOH1B IS200 VSVO H1B
Technical notes
IS200VSVOH1B must match the Mark VI rack, TSVO or DSVO terminal board, servo-current range, LVDT/R wiring, and TMR connector arrangement; incorrect feedback phasing or revision selection can prevent stable valve control.
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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.
Which terminal board must be matched with General Electric IS200VSVOH1B?
GE documents VSVO arrangements using TSVO or DSVO terminal hardware; identify the installed board, connector layout, redundancy architecture, and field wiring before ordering.
Can General Electric IS200VSVOH1B be replaced by another VSVO revision without review?
No. Match the full IS200VSVOH1B catalog number, board revision, firmware/system configuration, rack slot, terminal board, and cable arrangement before considering interchangeability.
What should be preserved before removing General Electric IS200VSVOH1B?
Record servo-current selections, LVDT/R excitation and calibration, null-bias values, regulator settings, terminal assignments, redundancy connections, and the validated Mark VI configuration.
Why might a valve oscillate after installing General Electric IS200VSVOH1B?
Investigate feedback polarity and scaling, LVDT/R wiring, servo-current range, null bias, loop tuning, hydraulic condition, cable shielding, and whether all redundant feedback channels agree.
How should General Electric IS200VSVOH1B be checked before enabling valve motion?
With the process in a safe approved state, verify board health, terminal-board connections, feedback position and polarity, command limits, servo current, interlocks, and the expected regulator response.
What diagnostics help isolate a General Electric IS200VSVOH1B servo problem?
Review board status, servo command voltage and current, LVDT/R feedback, suicide-relay state, regulator error, and discrepancies among redundant channels before replacing hardware.
Can General Electric IS200VSVOH1B be commissioned from a generic VSVO manual alone?
The VSVO manual explains the function, but commissioning still requires the site's exact H1B hardware, Mark VI configuration, terminal-board documentation, valve data, and approved calibration procedure.