GE IS200TVBAH2AAA Vibration Input Terminal Board (Mark VI Series)

Product Overview

The IS200TVBAH2AAA is a specialized vibration input terminal board engineered by General Electric for the Mark VI Speedtronic turbine control system. It serves as a dedicated interface for connecting vibration and position sensors to Mark VI controllers, enabling real-time monitoring of critical mechanical parameters in industrial turbomachinery. The board supports up to 14 sensor connections, including seismic velocity probes, accelerometers, Proximitors, and position sensors, with integrated signal conditioning and EMI protection to ensure data accuracy in harsh industrial environments. It operates on 28 VDC power and is compatible with both simplex and triple modular redundant (TMR) system architectures, providing flexible deployment across diverse turbine control applications. Its modular design facilitates easy integration with Mark VI I/O packs and ToolboxST software for configuration, calibration, and diagnostics, making it an essential component for predictive maintenance and machinery protection.
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Description

Technical Specifications

Parameter Details
Model Number IS200TVBAH2AAA
Manufacturer General Electric (GE)
Module Type Vibration Input Terminal Board
Sensor Compatibility Seismic velocity probes, accelerometers, Proximitors, position sensors
Number of Sensor Connections 14 total (8 vibration/position; 4 position-only; 2 reference probes)
Power Supply 28 VDC (nominal)
Power Consumption 15 W (typical)
Signal Type AC/DC vibration signals, displacement signals (4-20 mA, velocity, acceleration)
Frequency Range 10 Hz – 10 kHz
Resolution 16-bit
Accuracy ±1% of reading
Isolation Channel-to-channel isolation (500 VAC, 1 minute)
Operating Temperature -20°C to +60°C
Storage Temperature -40°C to +85°C
Dimensions (L×W×H) 20.0 cm × 15.0 cm × 5.0 cm
Weight 0.68 kg
Mounting Rack-mountable (compatible with Mark VI chassis)
Compliance UL 508, CE, IEC 61010, IEC 61508 SIL 2

Function Features

  • 14 Sensor Connections: Supports 8 vibration/position sensors, 4 position-only sensors, and 2 reference probes for comprehensive machinery monitoring.
  • Signal Conditioning: Integrates EMI protection, signal suppression, and pull-up bias for open circuit detection, ensuring reliable signal integrity.
  • Simplex/TMR Compatibility: Operates in both simplex and triple modular redundant systems, adapting to varying redundancy requirements.
  • Buffered Outputs: Provides buffered signals to 9-pin, 25-pin, and BNC connectors for integration with third-party monitoring systems (e.g., Bently Nevada 3500).
  • ToolboxST Integration: Compatible with GE ToolboxST software for sensor calibration, alarm setup, and diagnostic testing.
  • Conformal Coating: PCB with conformal coating enhances resistance to moisture, dust, and chemical contaminants in industrial environments.
  • Modular Design: Removable daughterboards and terminal blocks simplify maintenance and replacement, minimizing downtime.
  • High-Resolution Processing: 16-bit resolution and wide frequency range enable precise measurement of low- and high-frequency vibration components.

Application Scenarios

  • Turbine Control Systems: Primary use in Mark VI-based gas, steam, and combined-cycle turbine control systems for machinery protection and condition monitoring.
  • Power Generation: Deployed in fossil fuel, nuclear, and renewable energy power plants to monitor generator bearings, turbine shafts, and auxiliary equipment.
  • Oil and Gas: Used in upstream, midstream, and downstream applications, including compressor stations, pipeline pumps, and refinery turbomachinery.
  • Petrochemical: Monitors critical rotating equipment such as pumps, fans, and turbines in chemical processing plants to prevent unplanned shutdowns.
  • Marine and Offshore: Applied in marine propulsion systems and offshore platform turbines, where reliable vibration monitoring ensures operational safety at sea.
  • Predictive Maintenance Programs: Enables continuous vibration data collection for trend analysis, fault detection, and scheduled maintenance, reducing operational costs.

Compatibility and Integration

  • Mark VI Systems: Fully compatible with Mark VI controllers, I/O packs, and communication modules, supporting seamless data exchange in turbine control networks.
  • Software Support: Configurable via GE ToolboxST software, which provides tools for sensor scaling, alarm threshold setting, and vibration data logging.
  • Third-Party Integration: Buffered outputs support connection to Bently Nevada 3500 and other monitoring systems for expanded machinery protection capabilities.
  • Replacement: Direct replacement for IS200TVBAH2A modules, with enhanced sensor connectivity and isolation features.
  • Documentation: Detailed guidelines available in GE Mark VI System Manual (GEH-6700) and Vibration Monitoring Application Guide.
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