GE DS200TCRAG1A

Overview

Relay output hardware plays an important role in converting controller decisions into physical switching actions. The GE DS200TCRAG1A serves as a TCRA relay output board within the Mark V SPEEDTRONIC turbine control platform.

The board receives relay commands from compatible control hardware and routes contact outputs to associated terminal boards. These connections allow the system to operate selected field devices and auxiliary circuits.

Functional Design

The assembly contains plug-in electromechanical relays and multiple cable connectors. A standard board can accommodate up to 30 relays, identified as K1 through K30. The actual relay population and function depend on the installation position and application.

Its main functions include:

• Executing discrete relay output commands.

• Supporting external solenoid and auxiliary control circuits.

• Connecting to compatible DTBC or DTBD terminal boards.

• Providing multiple interfaces for control signals and relay contacts.

• Supporting maintenance in legacy turbine automation systems.

Product Details

• Manufacturer: General Electric

• Control platform: Mark V LM

• Board category: Relay output

• Functional identifier: TCRA

• Relay arrangement: Up to 30 plug-in relays

• Connection interfaces: 34-pin and 12-pin connectors

• Typical installation: Turbine control cabinet

Where It Is Used

The board supports industrial turbine control applications, especially in power generation facilities. Depending on the system design, relay outputs may operate gas manifold blow-off valves, solenoids, and other auxiliary devices. Its function within the control architecture helps coordinate commands from the controller with external equipment.

Replacement and Maintenance Advice

Before ordering a replacement, confirm the full catalog number, functional revision, and intended rack position. Check the relay population and associated terminal-board connections against the equipment documentation. During maintenance, inspect connectors carefully and protect the board from electrostatic discharge.

We offer industrial control boards, relay modules, and automation spare parts for repair and lifecycle support. Contact us for a quotation and assistance with product verification.

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