Description

The IS200VTURH2BAC is a critical signal conditioning module manufactured by GE Energy (now part of GE Vernova) for its Mark VI series gas and steam turbine control systems. This module functions as a Versatile Terminal Board (VTB), specifically designed to interface between the turbine’s critical vibration and speed sensors and the central TMR (Triple Modular Redundant) controller. The primary role of the IS200VTURH2BAC is to accept raw analog signals from proximity probes, accelerometers, and other transducers, and condition them into clean, reliable digital data that the Mark VI controller can use for monitoring, protection, and control algorithms. As an integral component of a safety-critical system, its design prioritizes signal integrity, noise immunity, and operational reliability to prevent catastrophic turbine damage.

Part of the Speedtronic family of turbine controls, the IS200VTURH2BAC exemplifies GE’s engineering excellence in protecting high-value rotating equipment. It is typically installed within a turbine control cabinet, directly interfacing with field wiring from the sensors. The module works in concert with other Mark VI components, such as the VME controller and I/O packs, to form a comprehensive machinery management system. The value of the IS200VTURH2BAC lies in its specialized design for harsh power generation environments, ensuring accurate measurement of shaft displacement, velocity, and phase, which are essential for avoiding dangerous mechanical resonances and detecting developing faults. The reliability of the IS200VTURH2BAC is paramount for maintaining plant availability and ensuring safe turbine operation under all conditions.

IS200VTURH2BAC GE

Technical Specifications

Main Features and Advantages

The IS200VTURH2BAC offers several key features that make it indispensable for turbine protection. Its primary advantage is high-quality signal conditioning: the module is engineered to filter out electrical noise commonly found in industrial settings, ensuring that the vibration and speed data passed to the controller is accurate and reliable. This is critical for making precise control decisions and triggering protective trips without false alarms. The IS200VTURH2BAC also provides electrical isolation between the field sensors and the sensitive control system, protecting the Mark VI controller from voltage surges and transients that could cause damage.

Configuration flexibility is another significant benefit. While the IS200VTURH2BAC is a specialized hardware component, its parameters can often be configured through the Mark VI toolset (ToolboxST) to match the specific sensors and scaling requirements of the turbine installation. This allows it to be tailored for different probe types and measurement ranges. Furthermore, the robust construction of the IS200VTURH2BAC is designed for continuous operation in the demanding environment of a power plant, with high tolerance for temperature fluctuations and electrical interference. Its design is optimized for integration, ensuring seamless communication with the rest of the Mark VI system for a unified and responsive turbine protection scheme.

Application Field

The IS200VTURH2BAC is exclusively designed for use in large-scale rotating equipment protection, with its primary application being in gas and steam turbine power generation. In a combined-cycle power plant, multiple IS200VTURH2BAC modules are used to monitor the gas turbine, steam turbine, and potentially critical auxiliary drives like the generator. They are responsible for continuously measuring shaft vibration, eccentricity, and speed (Keyphasor®), providing the essential data needed to keep the turbine within its safe operating envelope. If vibrations exceed pre-set alarms or dangerous levels, the system using the IS200VTURH2BAC data will initiate an automatic trip, shutting down the turbine to prevent mechanical failure.

Beyond standard power generation, the IS200VTURH2BAC finds application in mechanical drive turbines used in oil and gas pipelines for compressor stations, and in naval propulsion systems. Any application where a GE Mark VI controller is specified for managing a high-speed, high-energy turbine will likely utilize the IS200VTURH2BAC or a similar VTB module for its critical protection functions. Its reliability is crucial for minimizing forced outages and enabling predictive maintenance strategies, as trend data from the IS200VTURH2BAC can be analyzed to detect deteriorating bearing conditions or rotor imbalance before they lead to a trip.

IS200VTURH2BAC GE

Related Products

IS200VTURH1B@ / IS200VTURH2B@: Other versions or revisions within the same VTUR series, potentially with different firmware or connector types.

IS200TBCIH2C: A Terminal Board Control I/O Pack that works alongside the IS200VTURH2BAC in the Mark VI system.

IS215UCVEM06A: A VME controller module for the Mark VI system, which processes the data provided by the IS200VTURH2BAC.

IS200VCRCH1B@: A VRACK controller module that coordinates I/O modules like the IS200VTURH2BAC in certain Mark VI configurations.

IS200EPSMG1A: An Power Supply Module that provides the necessary DC power to the rack containing the IS200VTURH2BAC.

330180-xxx: Typical proximity probes (e.g., 330180-040-000) that provide the raw vibration signals to the IS200VTURH2BAC.

Mark V, Mark VIe: Predecessor and successor turbine control systems from GE that use different, but functionally similar, signal conditioning modules.