Description
1. Product Title
GE IS215WETAH1BB – Mark VI Turbine Control Interface Board
2. Product Overview
The GEIS215WETAH1BB is a specialized interface module designed for the Speedtronic™ Mark VI turbine control system. This board is primarily associated with the WETA (Turbine Emergency Terminal Board) application set, acting as a critical link between the VME control rack and the physical field devices.
The module is engineered to handle specific turbine-related signals, including speed sensing, flame detection, and high-speed protection monitoring. By processing these hardware-level inputs, the <span style=”color: blue;”>IS215WETAH1BB</span> ensures that the central control system receives accurate, noise-filtered data required for the safe and efficient operation of large-scale gas or steam turbines. The “H1BB” version signifies a specific revision level with updated component tolerances and enhanced reliability for high-availability environments.
3. Technical Specifications
- Brand: General Electric (GE)
- Model:IS215WETAH1BB
- Warranty: One Year
- Condition: 100% New & Original
- Series: Mark VI Speedtronic
- Signal Support: Speed Pickup (Magnetic), Flame Detection, and Valve Position
- Input Isolation: Optical and Transformer-based isolation for signal integrity
- PCB Coating: Conformal coating for moisture and contaminant protection
- Dimensions: Standard Mark VI board form factor
- Mounting: Terminal board interface or VME rack integration (application dependent)
- Operating Temp: -30°C to +65°C (-22°F to +149°F)
- Humidity: 5% to 95% non-condensing
4. Key Features & Benefits
- Emergency Protection Integration: The IS215WETAH1BB is designed to support turbine protection logic, ensuring rapid response during overspeed or flame-out conditions.
- Precision Signal Conditioning: Features advanced filtering circuitry to eliminate electromagnetic interference (EMI) from field wiring, providing the controller with clean, reliable data.
- TMR Redundancy Support: Fully compatible with Triple Modular Redundant (TMR) architectures, allowing three separate boards to vote on critical inputs for maximum system fault tolerance.
- High-Durability PCB: The internal IS215WETAH1BB board is built with industrial-grade components designed to withstand the thermal cycling common in power generation facilities.
5. Application Scenarios
- Gas Turbine Speed Monitoring: Used to interface with magnetic speed pickups to provide real-time RPM data for governing and overspeed protection.
- Flame Detection Systems: Processes signals from ultraviolet (UV) or infrared flame sensors in the combustion chamber to verify ignition and maintain flame safety logic.
- Utility-Scale Power Generation: Deployed in GE Frame 6, 7, and 9 gas turbines as part of the core turbine protection and interface layer.
6. Frequently Asked Questions (FAQ)
- Q: What is the relationship between IS215WETAH1BB ?
- A: The IS215 number is the full assembly model (including hardware and specific revisions), while the IS200 number refers to the physical printed circuit board (PCB) used in the assembly.
- Q: Does this board support redundant configurations?
- A: Yes, it is designed for use in Simplex, Dual, and TMR (Triple Modular Redundant) Mark VI systems to provide varying levels of fault tolerance.






