IS200TVIBH2BBB vibration monitoring module
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The IS200TVIBH2BBB is a vibration monitoring module from General Electric (GE)’s Mark VIe series, specifically designed to measure, process, and analyze vibration signals in turbine and rotating machinery systems. It plays a critical role in early fault detection, condition monitoring, and protection of industrial turbines, compressors, and other high-speed rotating equipment. Below is a comprehensive overview based on technical resources and GE’s typical module specifications:
The IS200TVIBH2BBB module integrates advanced vibration sensing and processing capabilities into GE’s Mark VIe control system, enabling real-time monitoring of machinery health. It collects data from accelerometers, velocity sensors, or proximity probes (e.g., eddy current sensors) installed on turbines, generators, or pumps, then processes this data to detect anomalies such as imbalance, misalignment, bearing wear, or resonance. This module is essential for preventing catastrophic failures and optimizing maintenance schedules in power generation, oil and gas, and industrial processing facilities.
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Power Supply:
- Input: Derived from the Mark VIe chassis backplane (typically 24VDC).
- Power Consumption: Approximately 8W (varies with connected sensors and processing load).
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Vibration Signal Inputs:
- Sensor Compatibility: Supports multiple vibration sensor types:
- Accelerometers (for measuring acceleration, typically 100mV/g).
- Velocity sensors (for measuring velocity, e.g., 10mV/mm/s).
- Proximity probes (for shaft displacement, e.g., 200mV/mil per API 670 standards).
- Number of Channels: Typically 4 to 8 independent vibration channels (configurable via software).
- Input Range:
- Acceleration: ±50g (peak).
- Velocity: ±200mm/s (peak).
- Displacement: ±200 mils (peak-to-peak, for proximity probes).
- Signal Conditioning: Includes filtering (low-pass, high-pass), amplification, and anti-aliasing filters (per Nyquist theorem).
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Data Processing & Analysis:
- Real-Time Metrics: Calculates peak, RMS, peak-to-peak, and crest factor for each channel.
- Spectral Analysis: Performs FFT (Fast Fourier Transform) with user-defined frequency ranges (e.g., 0-10kHz) for harmonic analysis.
- Alarm Thresholds: Configurable high/low alarms for vibration levels, with time delays to avoid false triggers.
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Communication & Integration:
- Interfaces with the Mark VIe controller via the chassis backplane (serial or parallel bus).
- May include Ethernet (TCP/IP) or Modbus RTU ports for data transmission to SCADA/HMI systems.
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Environmental & Electrical Ratings:
- Operating Temperature: 0°C to 60°C (ambient).
- Humidity: 5% to 95% (non-condensing).
- Isolation: ≥2.5kV AC between sensor inputs and backplane (for noise immunity).
- EMC Compliance: Meets IEC 61000-6-2 (industrial immunity) and IEC 61000-6-4 (emissions).
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Mechanical & Physical Attributes:
- Dimensions: Compatible with Mark VIe I/O chassis (approx. 120mm × 90mm × 40mm).
- Mounting: Installed in dedicated slots of the Mark VIe chassis (hot-swappable design).
- Condition Monitoring: Continuously tracks vibration trends to identify early signs of mechanical degradation.
- Protection Logic: Triggers safety actions (e.g., turbine shutdown) when vibration exceeds critical thresholds, complying with API 670 (machinery protection standards).
- Data Logging: Stores historical vibration data (raw signals and processed metrics) for post-fault analysis and maintenance reporting.
- Synchronization: Time-syncs with the Mark VIe controller via GPS or IRIG-B for coordinated event logging across the system.
- Redundancy Support: Optional redundant configuration (dual modules) for mission-critical applications, ensuring uninterrupted monitoring.
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