GE IS200TSVOH2B Servo Valve Interface Terminal Board (Mark VIe Series) - Image 1
GE IS200TSVOH2B Servo Valve Interface Terminal Board (Mark VIe Series) - Image 2
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GE IS200TSVOH2B Servo Valve Interface Terminal Board (Mark VIe Series)
GE IS200TSVOH2B Servo Valve Interface Terminal Board (Mark VIe Series) - Image 2
GE IS200TDBTH6ACD Discrete Simplex I/O Board (Mark VIe Series)
GE IS200TDBTH6ACD Discrete Simplex I/O Board (Mark VIe Series)
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GE IS200TVBAH2AAA Vibration Input Terminal Board (Mark VI Series)
GE IS200TVBAH2AAA Vibration Input Terminal Board (Mark VI Series)

GE IS200TSVOH2B Servo Valve Interface Terminal Board (Mark VIe Series)

Product Overview

The IS200TSVOH2B is a dedicated servo valve interface terminal board designed by General Electric for Mark VIe Speedtronic turbine control systems. It serves as the critical interface between the control system and electro-hydraulic servo valves, managing up to six Linear Variable Differential Transformer (LVDT) valve position inputs and two servo valve outputs. The board enables precise control of steam and fuel valves in gas and steam turbines, ensuring accurate position feedback and reliable actuation for optimal turbine performance and safety. It integrates seamlessly with Mark VIe controllers, providing robust signal processing, noise immunity, and simplified wiring for industrial turbine applications.
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Description

Technical Specifications

Parameter Details
Model Number IS200TSVOH2B
Manufacturer General Electric (GE)
Module Type Servo Valve Interface Terminal Board
Input Channels 6 LVDT valve position inputs
Output Channels 2 electro-hydraulic servo valve outputs
LVDT Compatibility 3-wire or 4-wire LVDT sensors
Servo Valve Power 24 VDC (nominal), 18-32 VDC operating range
Trip Solenoid Rating 125 VDC (for turbine trip applications)
Power Supply +5 VDC, 6 A (system power)
Isolation Channel-to-channel and channel-to-ground isolation (500 VAC, 1 minute)
Mounting DIN-rail or rack-mountable (compatible with Mark VIe chassis)
Dimensions (L×W×H) 33.02 cm × 17.8 cm × 5.1 cm
Weight 0.91 kg
Operating Temperature -40°C to +70°C
Storage Temperature -40°C to +85°C
Compliance IEC 61010, CE, UL 508
Documentation GEH-6421M (Mark VIe Servo Interface Manual)

Function Features

  • 6 LVDT Input Channels: Supports up to six LVDT valve position sensors, enabling precise monitoring of valve positions for gas and steam turbines.
  • 2 Servo Valve Outputs: Drives two electro-hydraulic servo valves, providing accurate actuation for steam and fuel control valves.
  • LVDT Signal Processing: Integrates LVDT signal conditioning circuitry to convert position feedback into digital signals for the Mark VIe controller.
  • Trip Solenoid Support: 125 VDC trip solenoid rating ensures compatibility with turbine emergency shutdown systems.
  • Wide Voltage Range: 18-32 VDC operating range for servo valve power, accommodating voltage fluctuations in industrial environments.
  • Robust Isolation: Channel-to-channel and channel-to-ground isolation prevents signal interference and ground loops, ensuring signal integrity in noisy industrial settings.
  • Mark VIe Compatibility: Seamlessly integrates with Mark VIe controllers and I/O modules, supporting ToolboxST software for configuration and diagnostics.
  • Modular Design: Facilitates quick replacement and maintenance, minimizing downtime during repairs or upgrades.
  • Surface Mount Technology: Enhances reliability and reduces form factor, ideal for high-density control system configurations.

Application Scenarios

  • Gas and Steam Turbine Control: Primary use in Mark VIe-based turbine control systems for precise valve position monitoring and servo valve actuation.
  • Power Generation: Critical for fossil fuel, nuclear, and combined-cycle power plants, ensuring efficient and safe turbine operation.
  • Industrial Turbomachinery: Suitable for mechanical drive turbines in oil and gas, petrochemical, and manufacturing industries.
  • Turbine Trip Systems: Integral to emergency shutdown systems, providing reliable trip solenoid control for turbine safety.
  • Distributed Control Systems (DCS): Extends Mark VIe I/O capabilities in DCS environments, supporting integration with plant-wide control networks.

Compatibility and Integration

  • Mark VIe Systems: Fully compatible with GE Mark VIe controllers, communication modules, and operator interfaces.
  • Software Support: Configurable via GE ToolboxST software, which provides tools for LVDT calibration, servo valve tuning, and diagnostics.
  • Replacement: Direct replacement for IS200TSVOH1B modules, with enhanced LVDT channel capacity and isolation features.
  • Documentation: Detailed installation, wiring, and configuration guidelines available in GEH-6421M (Mark VIe Servo Interface Manual).
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