General Electric VSVO Servo Valve Controller IS200VSVOH1BDC

Precision Servo Valve Control for Turbine Systems

General Electric engineered the IS200VSVOH1BDC for accurate valve positioning. This Servo Control Board operates within Mark VI Speedtronic systems. It provides precise control for electrohydraulic servo valves in gas and steam turbine applications.

Core Technical Specifications

• Manufacturer & Model: General Electric IS200VSVOH1BDC
• Product Type: Servo Control Board
• Series: Mark VI Speedtronic System
• Processor: Texas Instruments TMS320C32
• Operating Temperature: 0°C to 60°C
• Servo Channels: 4 electrohydraulic servo valve channels
• Manufacturing Origin: United States

Servo Valve Control Capabilities

• Controls four electrohydraulic servo valves for steam and fuel modulation
• Channels divided between two TSVO servo terminal boards
• Optimized allocation of control resources
• Enhances system stability and responsiveness
• Bi-directional servo current outputs for precise control
• Selectable current drivers for flexible configuration

Valve Position Sensing

• Linear Variable Differential Transformers (LVDT) for accurate position feedback
• Continuous and reliable valve displacement measurement
• Up to three LVDT/LVDR feedback sensors per servo channel
• Median, high, or low select via software configuration
• Minimum two LVDT/LVDRs recommended for TMR applications
• Each sensor requires AC excitation source

Control Algorithm Execution

• Internal loop control algorithm execution within VSVO
• Decentralized processing enhances system efficiency
• Minimizes communication delays for real-time responsiveness
• Texas Instruments TMS320C32 processor for high-speed calculations
• Optimized for critical valve control applications
• Advanced control technologies for seamless operation

Pulse Rate Input Capabilities

• Frequency Range: 2 Hz to 14,000 Hz
• Flow divider feedback in servo loops
• Interfaces with passive or active speed sensors
• Sufficient sensitivity down to 2 Hz
• Supports additional two passive speed sensors with Backup Protection Module
• Versatile input options for various applications

Coil Servo Configuration

• TMR Applications: 3 coil servos for redundancy
• Simplex Applications: 2 coil servos available
• Flexible configuration based on system requirements
• Enhanced reliability for critical applications
• Redundant feedback ensures continuous operation
• Optimized for turbine control environments

Front Panel Indicators

• Three LED indicators for operational status
• Run LED: Normal operation indication
• Fail LED: Fault condition alert
• Status LED: System health monitoring
• Visual diagnostics for quick troubleshooting
• Immediate status feedback for operators

Installation Procedure

• Power down VME processor rack completely before installation
• Carefully slide board into designated VME slot
• Align with slot guides to prevent damage
• Push top and bottom levers to securely seat edge connectors
• Tighten captive screws at top and bottom of front panel
• Power up and verify recognition through diagnostic indicators

Application Specific I/O

• Servo valve interface I/O for electrohydraulic control
• Pulse rate inputs for speed sensing applications
• LVDT/LVDR feedback for position verification
• Flow divider feedback for servo loops
• Designed for steam and gas turbine prime movers
• Compatible with Mark VI control architecture

System Integration

• Seamless integration into Mark VI turbine control systems
• Works with TSVO servo terminal boards
• Part of comprehensive turbine management solution
• Designed for industrial gas and steam turbine applications
• Supports wind turbine automated drive assemblies
• Incorporates Speedtronic control system technology

Physical Board Characteristics

• Component-dense PCB with strategic layout
• Three-fold product revision history
• B-rated primary functional revision
• D-rated secondary functional revision
• C-rated artwork configuration revision
• Optimized component placement for performance

Redundancy Features

• TMR application support with triple modular redundancy
• Multiple LVDT/LVDR feedback for fault tolerance
• Coil servo configuration based on redundancy needs
• Enhanced reliability for critical turbine applications
• Continuous operation despite single point failures
• Robust design for industrial environments

Product Availability

• Current Status: In stock for immediate shipment
• New and original General Electric component
• Manufactured by GE Industrial Systems
• Part of Mark VI Speedtronic control system
• Complete with necessary documentation
• Ready for integration into control systems

Verification & Testing

• Thorough post-installation verification procedures
• Check connectivity and proper alignment
• Validate servo control functionality
• Confirm LVDT feedback accuracy
• Test pulse rate input response
• Address anomalies promptly for system reliability

Documentation & References

• Refer to GER-4193A Speedtronic Mark VI System Guide
• Consult GEH-6421C Volume II System Guide
• Detailed installation and operation instructions
• Technical specifications and configuration guidelines
• Safety and handling information
• Manufacturer guidelines for maintenance

Shipping & Delivery

• Fast shipping via FedEx, UPS, and DHL services
• Orders typically ship within 24 business hours
• International shipping available worldwide
• Complete tracking information provided
• Professional packaging ensures board protection

Frequently Asked Questions (FAQ)

How many servo valves can this board control?

• The IS200VSVOH1BDC controls four electrohydraulic servo valves divided across two TSVO terminal boards.

What processor does this board use?

• Features a Texas Instruments TMS320C32 processor for high-speed control algorithm execution.

How is valve position feedback provided?

• Uses LVDT/LVDR sensors with up to three per channel, supporting median, high, or low select in software.

What is the pulse rate input range?

• Accepts pulse rate inputs from 2 Hz to 14,000 Hz for flow divider feedback and speed sensing applications.

How many coil servos are supported?

• Supports 2 coil servos for simplex or 3 coil servos for TMR applications based on redundancy requirements.

What indicators are on the front panel?

• Features three LED indicators labeled Run, Fail, and Status for immediate operational feedback.