Description

GE DS200TCEAG1B Mark V TCEA Emergency Overspeed Board

The GE DS200TCEAG1B, also cataloged as the DS200TCEAG1B TCEA Emergency Overspeed Board, operates as a dedicated hardware component for turbine overspeed signal processing and emergency trip execution within the General Electric Speedtronic Mark V control system.

Hardware Specifications

Parameter	Specification
Model	DS200TCEAG1B
Brand	General Electric (GE)
Origin	United States
Weight	2 lbs
Operating Temp	-30 deg C to +65 deg C
Power Consumption	Not specified in available documentation
Series	Speedtronic Mark V
Functional Name	TCEA Emergency Overspeed Board
Assembly Type	Normal Assembly
Revision Level	Group 1, Revision B
Input Signals	Passive Magnetic Speed Pickup (MPU) frequency signals
Output Signals	Emergency Trip Relay Drive Outputs and Status Feedback Signals
Application	Gas Turbine and Steam Turbine Overspeed Protection

Profinet / EtherNet-IP Deterministic Control Interface and Firmware Compatibility

The GE DS200TCEAG1B is part of the Speedtronic Mark V turbine protection hardware structure and interfaces with the system protective cores through defined board-level communication paths. The module processes high-frequency MPU pulse inputs and provides emergency trip execution signals through the Mark V protection architecture. Hardware jumpers provide configuration control for signal routing, attenuation settings, and threshold adjustment parameters.

The board supports the Mark V protective core arrangement involving R, S, T, and P control sections, allowing overspeed protection logic to participate in system voting and protective action execution. Diagnostic LEDs provide local indication of trip conditions, power status, and communication integrity.

Frequently Asked Questions

Q: What type of speed input signal does the DS200TCEAG1B process?
A: The board processes frequency signals generated by passive Magnetic Speed Pickup (MPU) sensors connected to the turbine shaft speed monitoring circuit.

Q: Does the DS200TCEAG1B provide direct turbine trip control output?
A: The board provides emergency trip relay drive outputs and status feedback signals used by the Mark V turbine protection system for trip execution.

Q: Is the DS200TCEAG1B compatible with Mark V TMR protection architecture?
A: The board is designed for integration with the Mark V protective core structure and supports the R, S, T, and P core arrangement used for protective voting functions.

Field Installation Guidelines

• Install the DS200TCEAG1B in the designated Mark V control cabinet rack position according to the system hardware configuration documentation.
• Verify that all MPU signal wiring uses appropriate shielding and that cable shields are terminated according to turbine control cabinet grounding practices.
• Separate low-level speed sensor wiring from high-energy switching circuits to reduce electrical interference.
• Confirm jumper settings before energizing the board to ensure correct signal scaling, attenuation, and routing configuration.
• Inspect board connectors, rack interfaces, and power supply connections before installation.
• Verify diagnostic LED status after power application and confirm correct emergency trip circuit operation through approved commissioning procedures.

Specifications

• Brand: General Electric

Advantages

• High reliability in industrial environments
• Supports continuous operation
• Compatible with major PLC/DCS systems