IS200VSVOH1B - VSVO Servo Control Board | GE Mark VI | B7B
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Part details:
GE-MK6 IS200VSVOH1B
The General Electric IS200VSVOH1B (VSVO) is a Servo Control board for GE SPEEDTRONIC™ Mark VI turbine control systems. It controls four electro-hydraulic servo valves that actuate steam/fuel valves, typically split across two IS200TSVO servo terminal boards, with valve position measured via linear variable differential transformers (LVDTs).
The valve-position loop control algorithm runs on the VSVO board itself. Three cables connect VSVO to the terminal board(s): the J5 front-panel plug and the J3/J4 connectors on the VME rack. TSVO provides simplex signals through JR1 and fans TMR signals to JR1, JS1, and JT1; plugs JD1/JD2 carry external trip signals from the protection module.
For maintenance and procurement teams, IS200VSVOH1B should be matched to the existing TSVO terminal board and redundancy configuration per GEH-6421 Volume II before ordering a replacement.
Control system parts are provided by GTC Control Solutions, Inc., a wholly owned subsidiary of B7B. Parts are offered in unused, repaired, or remanufactured condition, subject to availability. Each repaired or remanufactured component undergoes functional testing in energized panels, with test reporting and warranty support provided for repair and lifecycle-extension programs.
Specifications
- Part number
- IS200VSVOH1B
- Model
- GE-MK6
- OEM
- General Electric
- Classification
- Servo Control Board
- Manufacturer
- General Electric
- Control System / Platform
- GE Mark VI
- Series / Family
- GE SPEEDTRONIC™ Mark VI
- Module Type / Function
- VSVO
- I/O Category
- Servo Control
- Channel / Point Count
- 4 servo outputs, 12 LVDT inputs, 8 LVDT excitation outputs, 2 pulse rate inputs, and 2 pulse rate excitation outputs
- Signal Type / Electrical Interface
- Servo valve outputs, LVDT feedback/excitation, and pulse-rate inputs
- Network / Communications Interface
- VME backplane to VCMI and cabled terminal boards
- Power Requirements
- VME rack power plus field/interface power through servo terminal board circuitry
- Primary Connectors / Termination Style
- J3/J4 and associated servo cabling to TSVO/DSVO terminal boards
- Form Factor / Mounting
- VME rack-mounted servo control board
- System Architecture / Redundancy Support
- Simplex and TMR
- Associated / Compatible Boards
- TSVO and DSVO terminal boards
- OEM Manual Reference
- GEH-6421M
- Warranty
- Unused:
- 2 years
- Repaired:
- 2 years
- Remanufactured:
- 3 years
IS200VSVOH1B
VSVO Servo Control Board | GE Mark VI | B7B
