The GE IS200TRROH1B Primary Trip Terminal Board is a high-reliability interface module designed for critical trip signal distribution within GE Mark VIe control and protection systems. It ensures rapid and secure transfer of trip commands to circuit breakers, contactors, and protective relays. Built for heavy-duty industrial applications, this board provides galvanic isolation, redundant signal paths, and noise-resistant circuitry to safeguard power-generation assets. Its rugged construction and precise engineering enable dependable performance in high-vibration, high-electrical-noise environments, making it ideal for gas and steam turbine emergency trip systems.

Product Specifications

Applications

The IS200TRROH1B serves as a key protective component in a wide range of industrial and power-generation systems.

• Turbine and generator emergency trip control

• Power plant shutdown and protective relay circuits

• Integration with Mark VIe and legacy GE trip systems

• High-speed circuit breaker activation for fault isolation

• Redundant trip paths in critical process industries

Advantages

• High-Speed Performance: Sub-5 ms signal propagation ensures immediate trip action when required.

• Robust Electrical Isolation: Protects downstream equipment from surges and electrical noise.

• Redundant Design: Supports parallel installation for fail-safe operation.

• Industrial Durability: Engineered to withstand severe vibration and shock conditions.

• Simplified Maintenance: Clearly labeled terminals and accessible test points for easy troubleshooting.

• Flexible System Integration: Compatible with GE Mark VIe and other GE control platforms.

Frequently Asked Questions (FAQ)

1. What type of trip inputs does the IS200TRROH1B support?

   It supports dry contact or discrete logic trip inputs common in turbine and generator protection systems.

2. Is the board compatible with both AC and DC trip circuits?

   Yes, it accepts a 24–125 V DC supply and can interface with AC or DC-triggered trip signals.

3. How is electrical noise minimized on this board?

   It features galvanic isolation and internal filtering to maintain signal integrity in noisy industrial environments.

4. Can it be used with older Mark VI components?

   Yes, it integrates seamlessly with many Mark VI and Mark VIe trip modules.

5. What is the typical signal propagation delay?

   The board provides a response time of less than 5 ms for rapid protective action.

6. Can multiple boards be paralleled for redundancy?

   Yes, multiple IS200TRROH1B boards can be installed in parallel for fail-safe operation.

7. What built-in protection features are included?

   Over-voltage suppression, current limiting, and surge protection circuits are integrated.

8. Does the board include diagnostic capabilities?

   Test points and status indicators allow easy verification of signal integrity and board health.

9. How secure are the field wiring connections?

   Heavy-duty screw terminals provide vibration-resistant, long-term reliable connections.

10. Is the board suitable for high-vibration turbine enclosures?

    Yes, it is tested to handle continuous vibration levels up to 5 g without degradation.