IS200VVIBH1CAB General Electric VVIB Vibration Processor Board

Advanced Vibration Monitoring for Turbine Protection

General Electric engineered the IS200VVIBH1CAB for precision vibration analysis. This Vibration Monitor Board operates within Mark VI Speedtronic systems. It processes and digitizes vibration signals for comprehensive turbine health monitoring and protection.

Core Technical Specifications

• Manufacturer & Model: General Electric IS200VVIBH1CAB
• Product Type: Vibration Monitor Board
• Series: Mark VI Speedtronic System
• Channels: 26 processing channels
• Probe Capacity: Up to 14 vibration probes
• Dimensions: 33.0 × 17.8 cm (13.0 × 7.0 inches)
• Manufacturing Origin: United States

Signal Processing & Conversion

• Digitizes analog vibration signals with precision
• 16-bit Analog-to-Digital converter with 14-bit effective resolution
• Eliminates distortions inherent in analog transmission
• Preserves signal integrity through digital conversion
• Transmits digitized data via VME bus to central controller
• Enables real-time monitoring and rapid decision-making

Sampling Rates & Performance

• Fast Scan Mode: 4,600 samples per second (4,000-17,500 rpm)
• Standard Scan: 2,586 samples per second (below 4,000 rpm)
• All inputs sampled simultaneously within 160 ms windows
• Synchronized data acquisition across all channels
• Optimized sampling based on turbine speed conditions
• High-speed processing for rapid vibration analysis

Compatible Vibration Probes

• Proximity Probes: Measure shaft radial displacement and eccentricity
• Velocity Probes: Capture speed and direction of shaft movement
• Acceleration Probes: Detect sudden changes in shaft acceleration
• Seismic Probes: Monitor ground vibration through turbine foundation
• Phase Probes: Measure phase relationship between vibration signals
• Designed for Bently Nevada probe compatibility

Protective Functions

• Vibration Proximity: Detects peak-to-peak radial shaft displacement
• Rotor Axial Position: Monitors thrust collar motion and bearing wear
• Differential Expansion: Detects expansion differences between rotor and casing
• Rotor Eccentricity: Calculates eccentricity during turning gear operation
• Alarm, trip, and fault indication for all protective functions
• Continuous monitoring for early problem detection

Channel Configuration

• Rated RPM > 4,000: 8 vibration channels, remaining for proximity/position
• Rated RPM < 4,000: Up to 16 vibration channels available
• Supports connection of two TVIB boards simultaneously
• Flexible allocation based on turbine speed requirements
• Optimized channel usage for specific applications
• Adaptable configuration for various turbine types

Power Supply & Electrical Specifications

• Steps down -28 VDC bus to -24 VDC for probe power
• Current-limited supply for each probe ensuring safe operation
• Each transducer imposes 12 mA load on the system
• Proper power distribution for all connected probes
• Stable power delivery for consistent measurements
• Designed for reliable probe excitation

Buffered Outputs & External Integration

• Buffered outputs for Bently Nevada 3500 monitoring system
• Amplitude Accuracy: 0.1% for precise vibration analysis
• Reliable data for advanced diagnostics
• Seamless integration with external monitoring equipment
• Enhanced vibration analysis capabilities
• Additional insights into turbine vibration dynamics

System Architecture

• Built upon TMR (Triple Modular Redundant) architecture
• Three independent Control Modules, power supplies, and IONets
• Simplex configuration available for smaller systems
• Flexible deployment options based on application needs
• High reliability for critical turbine applications
• Redundant design minimizes single points of failure

Physical Board Components

• Component-dense PCB with attached faceplate
• Board number and three LED indicators on faceplate
• Over fifty integrated circuits including Xilinx Spartan Xcs30 FPGAs
• SRAM and RAM chips for data processing
• Capacitors and resistors on front and rear surfaces
• Inductor coils and six connectors including two backplanes

Installation & Configuration

• Follow manufacturer guidelines from GEH-6421 manual
• Refer to system control guide for detailed procedures
• Consult datasheets for specific installation requirements
• Proper handling and installation essential for performance
• Configure based on turbine rated RPM specifications
• Verify channel allocation before commissioning

Product Availability

• Current Status: In stock for immediate shipment
• New and original General Electric component
• Part of Mark VI Speedtronic turbine management system
• Conformal PCB coating for environmental protection
• Three-fold revision history with C primary and A secondary revisions
• Artwork Revision B configuration

Application Areas

• Steam turbine vibration monitoring and protection
• Gas turbine shaft displacement measurement
• Rotor axial position and thrust bearing monitoring
• Differential expansion detection in turbine casings
• Rotor eccentricity calculation during startup
• Comprehensive turbine health assessment

Advanced Diagnostics

• Digital transmission enables advanced data processing
• Integration with sophisticated diagnostic algorithms
• Unparalleled insights into turbine health and performance
• Proactive maintenance and optimization strategies
• Identification of shaft misalignment and rotor imbalance
• Detection of bearing wear and mechanical resonance

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 vibration probes does this board support?

• The IS200VVIBH1CAB supports up to 14 vibration probes connected via TVIB or DVIB terminal boards.

What probe types are compatible?

• Compatible with Bently Nevada proximity, velocity, acceleration, seismic, and phase probes for comprehensive monitoring.

What is the sampling rate capability?

• Provides 4,600 samples/sec in fast scan mode and 2,586 samples/sec in standard scan, synchronized within 160 ms windows.

How does RPM affect channel configuration?

• Above 4,000 RPM: 8 vibration channels; below 4,000 RPM: up to 16 vibration channels available.

What external monitoring systems are supported?

• Features buffered outputs with 0.1% accuracy for connection to Bently Nevada 3500 vibration analysis systems.

What protective functions are provided?

• Monitors vibration proximity, rotor axial position, differential expansion, and rotor eccentricity with alarm/trip capabilities.