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SPECIFICATIONS:
Part Number: IS230TNVBH1A
Manufacturer: General Electric
Series: Mark VIe
Product Type: TMR Vibration Input Assembly Module
Life-cycle Status: Active
Number of Channels: 13
Common Mode Voltage: -13.5 V dc
Input passband frequency: 4300 Hz
I/O Pack Redundancy: Simplex or TMR
Technology: Surface mount
Operating temperature: -30 to 65°C
Size: 30 cm high x 18 cm
Repair: 3-7 days
Availability: In Stock
Country of Origin: United States
FUNCTIONAL DESCRIPTION:
IS230TNVBH1A is a TMR Vibration Input Assembly Board manufactured and designed by General Electric as part of the Mark VIe Series used in GE Distributed Gas Turbine Control Systems. The TMR (Triple Modular Redundant) Vibration Input Assembly Module is a critical component within distributed control systems, particularly in turbine protection and monitoring applications. It is engineered to acquire and process signals from vibration sensors—typically proximity probes or accelerometers—installed on rotating machinery. The module amplifies and filters these raw signals to detect mechanical anomalies such as imbalance, misalignment, and bearing wear. Through advanced signal conditioning and digital conversion, the module outputs reliable vibration data to the control system. Its TMR architecture ensures high reliability and fault tolerance by utilizing three independent processing channels, voting logic, and diagnostic routines to detect and isolate faults without compromising system integrity.
INSTALLATION:
The module is typically mounted in a designated slot within the turbine control panel or rack system. It should be installed in an environment free from excessive vibration, moisture, and electromagnetic interference. Wiring connections must follow OEM specifications, including shielded cables for sensor input lines to prevent signal degradation. Care should be taken to properly ground the module and connect it to the correct terminal blocks. Once installed, the module should undergo initial configuration using diagnostic software to verify sensor connectivity, channel health, and input signal range.
OPERATION:
It performs real-time signal analysis, including amplitude, frequency, and phase detection. The TMR redundancy ensures that any discrepancy between the three parallel channels is automatically identified and isolated, allowing the module to continue functioning accurately using the remaining validated data streams. The module also supports self-diagnostics, alarming, and logging features, which are crucial for predictive maintenance and safe operation of rotating equipment. Operators can monitor vibration trends via the control interface, enabling proactive response to developing faults and minimizing the risk of catastrophic equipment failure.
WOC proudly maintains the industry’s largest inventory of replacement parts for GE Distributed Turbine Control Systems. We supply both new and refurbished boards, each supported by a comprehensive warranty. Additionally, we provide expert repair services for faulty components to ensure optimal system performance. Our dedicated support team is available 24/7 to assist with all your OEM and automation needs. For inquiries regarding pricing, availability, or technical support, please contact us via phone or email. Our specialists are always ready to provide prompt and reliable assistance.
What is a TMR Vibration Input Assembly Module?
It is a module used in turbine control systems to monitor vibration using TMR architecture. It processes signals from sensors like proximity probes and accelerometers. The module enhances reliability by using triple-redundant processing channels.
What types of sensors are compatible with this module?
It supports proximity probes, accelerometers, and velocity sensors. These sensors detect shaft and casing vibrations in rotating machinery. Compatibility depends on OEM configuration and input signal ranges.
What is Triple Modular Redundancy (TMR)?
TMR uses three parallel channels to process the same input signal. A majority voting system determines the correct output among the three. This ensures fault tolerance and high system reliability.
