Product Summary
The IS220PTURH1B is a critical I/O pack from General Electric for the Mark VIe series. This module provides primary turbine trip protection. It interfaces directly with plant devices to regulate HRSG and auxiliary controls. The pack ensures safe and reliable gas and steam turbine operation. It is a key component for combined cycle power plant DCS systems.
Expert Technical Evaluation & Performance Review
Core Function and System Integration
The IS220PTURH1B functions as a Turbine Specific Primary Trip Module. This unit works exclusively within the Mark VIe control architecture. It requires a compatible terminal board, the IS200TRPAH1A, for operation. The system regulates the balance of plant devices like motor-operated valves. It also executes critical control blocks for boiler drum level management. This module specifically safeguards the gas and steam turbine from fault conditions. Its design focuses on high-integrity trip logic for hazardous locations.
Electrical Characteristics and Signal Processing
This I/O pack operates on a nominal power supply voltage of 28.0 V dc. The acceptable voltage range is from 27.4 to 28.6 V dc. It draws a maximum current of 0.41 A dc during normal operation. The module features voltage detection inputs that handle a wide range. These inputs accept voltages from 16 to 140 V dc for accurate monitoring. The E-stop input also operates within an 18 to 140 V dc range. For speed sensing, it processes signals from -15 to 15 V dc. This precision allows for exact turbine speed measurement and protection.
Output and Protection Capabilities
The E-stop power output provides a nominal 28 V dc. Its short-circuit current is limited to 17 mA dc for safety. The contact output on the terminal board handles up to 7 A dc. This output typically operates at 24 to 28 V dc. The module’s primary role is to execute an immediate trip command. It activates when it detects dangerous operating conditions. This rapid response protects the turbine from overspeed or flameout events. The unit’s robust design ensures reliable operation in demanding industrial environments.
Procurement and Buyer Guide
Application Engineering and Pain Points
Procurement managers need a module that ensures system uptime and safety. The IS220PTURH1B solves the critical pain point of turbine protection. It directly interfaces with existing Mark VIe control systems. This eliminates the need for complex and costly system overhauls. The module’s specific design for HRSG and auxiliary plant controls is vital. It provides a dedicated solution for combined cycle power plant challenges. Application engineers benefit from its standardized voltage detection inputs. This simplifies integration with a wide array of field devices.
Technical Selection Alignment
When selecting this module, verify the exact part number IS220PTURH1B. Ensure it matches your system’s Mark VIe revision level. The module is approved for use in hazardous locations with the correct terminal board. Always pair this I/O pack with the IS200TRPAH1A accessory. The unit weighs just 0.8 kg, making it easy to handle during installation. Its origin is the United States, ensuring high manufacturing quality standards. For alternative configurations, contact GE for hardware availability. This module provides a direct path to enhanced turbine safety and control.
Logistics & Standard Packaging Details
- One GE IS220PTURH1B Mark VIe Turbine Specific Primary Trip I/O Pack
- Standard anti-static packaging for safe transport
- Product documentation and handling guide
We offer express delivery shipping for this item. You can choose from FedEx, UPS, and DHL for rapid transit. This ensures your critical component arrives quickly and securely.
