GE IS200TSVOH1BBB Servo Terminal Board Mark VI

Precise Servo Valve Control for Turbine Systems

General Electric designed the IS200TSVOH1BBB for reliable valve actuation. This Servo Terminal Board operates within Mark VI Speedtronic control systems. It provides interface and control for electro-hydraulic servo valves in turbine applications.

Core Technical Specifications

• Manufacturer & Model: General Electric IS200TSVOH1BBB
• Product Type: Servo Terminal Board
• Series: Mark VI Speedtronic Control System
• Voltage Span: 0.3532 to 4.054 Volts
• Dimensions: 17.8 × 33.02 cm (7.0 × 13.0 inches)
• Operating Temperature: -30°C to +65°C
• Technology: Surface-mount construction

Servo Valve Interface

• Interfaces with two electro-hydraulic servo valves
• Controls steam and fuel valves in turbine systems
• Linear Variable Differential Transformers (LVDT) for position feedback
• Low-level signal support: 0 to ±50 VDC analog
• AC signals rated less than 24 VAC
• 4 to 20 mA current loop signal compatibility

Signal Configuration & Redundancy

• Simplex Signals: Provided through JR1 connector
• TMR Signals: Distributed to JR1, JS1, JT1 connectors
• Triple Modular Redundancy for fault tolerance
• Enhanced system reliability and resilience
• Minimizes risk of system failures
• Supports both simplex and TMR configurations

Communication & Integration

• Two cables connect to I/O processor (VSVO)
• J5 plug on VSVO front panel connection
• J3/4 connectors on VME rack interface
• External trip integration via JD1 or JD2 plugs
• Connects to protection module for safety
• Standard connectors and communication protocols

Hardware Features

• Six D-shell connectors for comprehensive interfacing
• Two terminal strips with secure mounting
• Several vertical plugs for additional connections
• Four transformers for signal conditioning
• Transistors, relays, and integrated circuits
• Resistors and capacitors for circuit protection

Installation & Wiring

• Two I/O terminal blocks with 24 terminals each
• Accepts wiring up to 12 AWG gauge
• Each block secured with two screws
• Shield termination strips adjacent to each block
• Connected to chassis ground for noise suppression
• Notched edges for proper mounting alignment

Fault Detection & Monitoring

• Servo Current: Monitors for out-of-limit conditions
• Valve Response: Detects non-responsive servo valves
• Regulator Feedback: Checks signal limits for accuracy
• ID Chip Failure: Detects component identification issues
• Triggers alarms for timely troubleshooting
• Enables proactive maintenance actions

Jumper Configuration

• Six jumper switches with multiple settings
• Each jumper offers six possible configurations
• Allows customization for specific applications
• Easy adjustment for system requirements
• Provides flexibility in control parameters
• Simplified reconfiguration when needed

Physical Characteristics

• Weight: Approximately 2.00 pounds (0.91 kg)
• Notched along both long edges for mounting
• Corner notches on one edge for alignment
• Equidistant notches along opposite edge
• Factory drilled holes in three corners
• Components labeled with reference designations

System Compatibility

• Designed for three-coil servo actuators
• Used in Speedtronic turbine control applications
• Supports gas, steam, and wind turbine systems
• Backwards compatible with first two revisions
• Normal assembly type with three total revisions
• Seamless integration with existing infrastructure

Product Availability

• Current Status: In stock for immediate shipment
• No longer manufactured by General Electric
• Available through authorized distributors
• Maintained in inventory for customer needs
• Manufactured in the United States
• Ready for integration into control systems

Application Areas

• Gas turbine fuel valve control systems
• Steam turbine control valve actuation
• Wind turbine pitch control mechanisms
• Industrial process control valve interfaces
• Critical valve positioning applications
• Redundant control system implementations

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

Documentation & Support

• Reference Speedtronic manuals for installation
• Component datasheets available for detailed specifications
• Technical support for configuration assistance
• Handling instructions provided with shipment
• Comprehensive documentation for proper operation
• Expert guidance available for system integration

Frequently Asked Questions (FAQ)

What valves does this board control?

• The IS200TSVOH1BBB interfaces with electro-hydraulic servo valves controlling steam and fuel valves in turbine systems.

What position feedback method is used?

• Uses Linear Variable Differential Transformers (LVDT) for accurate valve position measurement and feedback.

What signal types are supported?

• Supports 0 to ±50 VDC analog, AC signals under 24 VAC, and 4-20 mA current loop signals.

Does it support redundant configurations?

• Yes, supports both simplex (JR1) and Triple Modular Redundant (JR1, JS1, JT1) signal configurations.

What fault detection features are included?

• Monitors servo current, valve response, regulator feedback, and ID chip status for comprehensive fault detection.

How many jumper switches are available?

• Includes six jumper switches, each with six possible settings for flexible configuration.