General Electric IS200TDBSH2ACC Discrete I/O Terminal Board

The GE IS200TDBSH2ACC Discrete Input/Output Terminal Board is a high-performance interface module for processing discrete input and output signals in GE Mark VI and Mark VIe steam turbine control systems. It serves as the critical link between field devices and control hardware, providing precise signal transmission for turbine protection, condition monitoring, and operational control.

The board supports multiple isolated digital input and relay output channels, ensuring reliable communication between sensors, switches, actuators, and control units. Its design focuses on electrical isolation, noise suppression, and robust performance in high EMI industrial environments.

The IS200TDBSH2ACC is widely used in power generation, oil and gas, and industrial process plants, where reliable discrete signal processing is critical for safe and efficient operation. It integrates with GE’s turbine control architecture for seamless operation in gas and steam turbine applications, as well as auxiliary and safety systems.

Product Specifications

Applications

• Turbine Protection Systems: Manages critical trip and shutdown signals in gas and steam turbine controllers.

• Control Logic Execution: Handles start/stop commands, status signals, and operational interlocks.

• Power Generation Plants: Interfaces with auxiliary equipment for safety and operational control.

• Oil & Gas Facilities: Provides reliable discrete signal processing for compressors, pumps, and pipeline operations.

• Industrial Automation: Integrates field switches, alarms, and process status indicators with control systems.

• Safety Instrumented Systems: Supports emergency shutdown and interlock functions for plant safety.

Product Advantages

• Reliable Discrete Signal Management: Ensures accurate processing of both input and output digital signals.

• Robust Electrical Isolation: Protects control hardware from surges and electrical noise.

• Industrial-Grade Construction: Designed for continuous operation in harsh environments and high-EMI conditions.

• Optimized for GE Systems: Seamless integration with Mark VI and Mark VIe turbine control platforms.

• Flexible Channel Configuration: Supports multiple I/O channels for diverse control applications.

• Fast Response Time: Enables real-time processing of safety-critical signals.

• Easy Installation: Terminal board format simplifies wiring and integration in control cabinets.

FAQ

1. What is the primary role of the GE IS200TDBSH2ACC?

   It serves as a discrete I/O interface for GE Mark VI and Mark VIe turbine control systems.

2. Does the IS200TDBSH2ACC support both inputs and outputs?

   Yes, it manages multiple digital input channels and relay output channels simultaneously.

3. What type of signals does the board handle?

   It supports dry contact and 24 VDC discrete input/output signals.

4. Does it provide electrical isolation between channels?

   Yes, galvanic isolation is built-in to ensure noise immunity and system protection.

5. Is the IS200TDBSH2ACC compatible with turbine trip systems?

   Yes, it is designed for turbine trip, shutdown, and safety-critical control circuits.

6. Can it be used in high EMI industrial environments?

   Yes, its shielding and filtering allow it to operate reliably in electrically noisy environments.

7. Is it compatible with the GE Mark VIe system?

   Yes, it is fully integrated with the Mark VI and Mark VIe architectures.

8. What is the nominal power requirement?

   It is powered by the 24 VDC power supply provided by the control cabinet.

9. Does the IS200TDBSH2ACC meet safety and quality standards?

   Yes, it complies with CE, UL, RoHS and IEC industrial standards.

10. Can it be used in emergency shutdown systems?

    Yes, it is widely used in ESD and safety instrumented applications for rapid response.