SPECIFICATIONS
Part No.: IS200TTURH1CAA
Manufacturer: General Electric
Country of Manufacture: United States of America (USA)
Size: 33.0 cm high x 17.8 cm wide
Technology: Surface mount
Temperature: -30 to 65oC
Number of outputs: Generator breaker coil, 5 A at 125 V dc
Power supply voltage: Nominal 125 V dc to breaker coil
MPU pulse rate range: 2 Hz to 20 kHz
MPU pulse rate accuracy: 0.05 percent of reading
Product Type: Primary Turbine Protection Input Terminal Board
Availability: In Stock
Series: Mark VI
Functional Description
IS200TTURH1CAA is a Primary Turbine Protection Input Terminal Board developed by GE. It is a part of Mark VI control system. The Primary Turbine Protection Input terminal board serves in tandem with the PTUR turbine I/O packs to ensure comprehensive turbine protection functionalities.
Inputs and outputs
- Pulse Rate Devices: Twelve pulse rate devices are employed to sense a toothed wheel, providing precise measurements of turbine speed, a crucial parameter for monitoring and control.
- Generator and Bus Voltages: Signals from potential transformers are utilized to monitor generator voltage and bus voltage, offering insights into the electrical parameters of the system.
- Main Breaker Coil Control: The terminal board facilitates a 125 V dc output dedicated to controlling the main breaker coil, crucial for automatic generator synchronizing operations.
- Shaft Voltage and Current Monitoring: Inputs from shaft voltage and current sensors are processed to accurately measure induced shaft voltage and current, enabling early detection of potential issues.
- Overspeed Trip Signals: The board accommodates three overspeed trip signals, providing a failsafe mechanism to trigger trip actions in the event of turbine overspeed conditions.
- Additional Trip Board Inputs: Various additional input and output signals from the trip board are managed by the TTURH1C terminal board, enhancing the system's overall protection capabilities.
Installation
- Wiring Pulse Rate Pickups and Shaft Pickups: Connect the pulse rate pick ups, shaft pick ups, potential transformers, and the breaker relay to the two terminal blocks, TB1 and TB2. Each block is securely fastened with two screws and accommodates up to 24 terminals accepting wires up to #12 AWG. Ensure proper grounding by attaching a shield terminal strip to chassis ground located adjacent to each terminal block.
- Selecting Relay Configuration: Use jumpers JP1 and JP2 to select either simplex or TMR configuration for relay drivers K25 and K25P. Adjusting these jumpers ensures compatibility with the desired system configuration.
- Isolating Control Line: Remove wire jumper WJ1 to isolate the K25A control line to the TRPX board, enabling precise control over the relay functions as needed.
Optional TTL Connections: Terminal block TB3 is designated for optional TTL connections to active speed pickups. These devices require an external power supply for operation.
- Connectors for System Configuration: In simplex systems, utilize cable connectors PR3 and JR4. For TMR systems, utilize all six cable connectors to ensure comprehensive connectivity and functionality across the system.
Configuration
- Selecting Relay Configuration: Jumpers JP1 and JP2 play a key role in determining the configuration of relay drivers K25 and K25P. By configuring these jumpers, users can choose between simplex (SMX) or triple modular redundant (TMR) setups, adapting the system to specific operational requirements.
- Control Line Isolation: Wire jumper WJ1 is typically installed to ensure connectivity between components. However, removing this jumper effectively isolates the K25A control line to the TRPX board. This isolation provides greater control over the relay functions and allows for precise adjustments as needed.
- No Switches on the Board: It's important to note that there are no switches present on the board itself. Configuration adjustments are primarily made through the manipulation of jumpers and wire jumpers, ensuring simplicity and ease of use during setup and operation.
The WOC team is always available to help you with your Mark VI requirements. For more information, please contact WOC.
Frequently Asked Questions
What is IS200TTURH1CAA?
It is a Primary Turbine Protection Input Terminal Board developed by GE under the Mark VI series.
What information does the ID device on the terminal board connector hold?
The ID device embedded within the terminal board connector contains essential details such as the terminal board's serial number, board type, revision number, and plug location. This information serves as a unique identifier for the terminal board.
How does the ID device contribute to system integrity?
The ID device ensures system integrity by providing a means for the I/O pack, such as PTUR, to verify the compatibility of the connected terminal board. When the ID chip is read and a discrepancy is detected, indicating a mismatch between the expected and actual specifications, a hardware incompatibility fault is triggered.
What happens in the event of a hardware incompatibility fault?
When a hardware incompatibility fault occurs due to a mismatch detected by the ID device, the system generates an alarm or fault notification. This alerts operators to the discrepancy, allowing them to take appropriate corrective actions to address the issue and maintain system functionality.
