The IS200SPROH1ABC is a high-reliability Emergency Protection Terminal Board developed by General Electric (GE) for use in GE Mark VIe control systems. This terminal board is a critical part of the turbine protection architecture, specifically engineered to connect emergency trip signals from the controller to the field devices, such as solenoids, relays, or breakers.

Operating as part of the trip system, the IS200SPROH1ABC facilitates fast and fail-safe shutdown commands to safeguard turbine and plant operations in the event of abnormal conditions. It is commonly used in gas and steam turbine control systems, especially where safety interlocks and high-speed fault response mechanisms are required.

This board is built to support simplex or redundant configurations and interfaces with controllers like the TREG (Trip Emergency) and TRPG (Trip Gas Primary) modules. It includes onboard test points, durable terminals, and LED indicators for system diagnostics and health checks. The layout is designed to minimize signal latency and ensure accurate transmission of trip signals.

In environments where reliability is paramount, the IS200SPROH1ABC provides enhanced protection against EMI, thermal variation, and mechanical vibration, ensuring stable performance in the most demanding industrial environments. The board supports multiple coil types and provides feedback sensing for actuator health monitoring, enabling predictive maintenance.

The IS200SPROH1ABC plays a vital role in the safe operation of GE turbine systems by providing a secure, high-speed interface between the control logic and physical emergency trip circuits.

✅ Key Features:

• Designed for emergency protection and fast trip signal processing

• Part of GE’s Mark VIe safety and control system

• Interfaces with solenoids, relays, and breakers

• Compatible with TREG and TRPG terminal boards

• Supports simplex and redundant configurations

• Onboard diagnostics and test points

• LED indicators for system status

• High tolerance to temperature, EMI, and vibration

• Secure field wiring terminals

• Reliable in high-demand turbine shutdown scenarios

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