General Electric IS230TRLYH1B Relay Output Terminal Board

The GE IS230TRLYH1B Relay Output Terminal Board is a high-performance interface module designed for GE Mark VIe and Mark V turbine control systems.

It provides reliable relay output connections for controlling external devices such as alarms, actuators, and protective circuits.

The board efficiently routes discrete signals from the control processor to multiple relay outputs, ensuring fast and safe response for turbine protection, generator interlocks, and industrial automation applications.

Built with industrial-grade components and a multi-layer PCB, the IS230TRLYH1B delivers robust performance, high electrical isolation, and strong immunity to noise and vibration in demanding operational environments.

Product Specifications

Applications

• Turbine Protection Systems – Controls relay-based trips, alarms, and interlocks for gas and steam turbines.

• Generator Control – Provides discrete relay outputs for auxiliary equipment such as breakers and protective relays.

• Industrial Automation – Interfaces with actuators, solenoids, and alarms in process control environments.

• Oil & Gas Facilities – Controls emergency shutdown systems and protective relay functions in turbines and compressors.

• Marine Power Systems – Manages relay outputs for shipboard generator and propulsion systems.

• Retrofits & Upgrades – Ideal replacement or expansion module for existing Mark VI/VIe installations.

Advantages

• Reliable Relay Switching – Provides fast and accurate discrete signal control for critical protection circuits.

• High Isolation – Optical and galvanic isolation ensures safe operation and protects control electronics.

• Robust Construction – Industrial-grade components and multi-layer PCB for long-term durability.

• Seamless Integration – Fully compatible with Mark VIe and Mark V control systems.

• Advanced Diagnostics – Supports monitoring of relay status for maintenance and troubleshooting.

• Flexible Output Configuration – Can manage multiple discrete relay outputs for diverse applications.

• Compact Form Factor – Designed to optimize rack space while maintaining full functionality.

• Maintenance Friendly – Modular design enables easy replacement and minimizes downtime.

FAQ

1. Which turbine control systems are supported by IS230TRLYH1B?

   It is compatible with GE Mark VIe and Mark V systems.

2. What types of devices can be controlled with this board?

   It supports alarms, actuators, solenoids, and protective relays.

3. What input voltage is required for operation?

   The board operates at 24 VDC nominal.

4. Does it provide isolation between relays and control signals?

   Yes, optical and galvanic isolation is provided for safe operation.

5. How are the relay outputs connected to the control system?

   Via a high-speed backplane connector to the main control processor.

6. Can the board support multiple relay outputs simultaneously?

   Yes, it is designed to handle multiple discrete relay outputs.

7. Is real-time status monitoring supported?

   Yes, the module provides diagnostic feedback on relay states.

8. Can the board be mounted in racks or panels?

   Yes, both rack and panel mounting options are available inside the Mark VIe chassis.

9. Does it handle high-voltage switching?

   Yes, electromechanical relays are suitable for high-voltage or low-voltage switching.

10. Is hot-swap replacement possible?

    Controlled replacement is supported during maintenance mode.