Description
🔧 Product Description
The GE General Electric DS200TCRAG2A, also identified by the extended part number DS200TCRAG2ABC, is a TCRA Relay Output Board designed for the GE Mark V turbine control system. It is used within the Q11 and Q51 digital I/O cores to provide relay-based contact outputs for turbine control functions. The board can accommodate up to 30 plug-in relays designated K1 through K30. Depending on its core location and system configuration, the relays can be used for functions such as gas manifold blow-off valve control and solenoid power distribution. The board interfaces with related TCQE, TCDA, DTBC, and DTBD hardware through dedicated connectors.
⚙️ Product Datasheet
| Parameter | Specification |
|---|---|
| Brand | GE General Electric |
| Model | DS200TCRAG2A |
| Full Part Number | DS200TCRAG2ABC |
| Series | Mark V DS200 / Mark V LM |
| Product Name | Relay Output Board / Relay Output Terminal Board |
| Place of Manufacture | USA |
| Product Status | New / Surplus |
| Dimensions | Approx. 11 × 8.5 in |
| Weight | Less than 5 lb |
| Power | System supplied / application-dependent |
| Discontinued | Legacy Mark V hardware |
The DS200TCRAG2ABC documentation identifies the board as a Mark V DS200 TCRA assembly with a normal assembly configuration.
🔌 Key Features
• TCRA Relay Output Board for GE Mark V systems
• Designed for Q11 and Q51 digital I/O cores
• Supports up to 30 relays, K1 through K30
• Relay outputs connect to associated DTBC or DTBD terminal boards
• JO connector provides relay control signal interfacing
• JS1 through JS8 connectors are used for relay output connections
• Hardware configuration is performed at the associated terminal-board level
• No software configuration is provided directly on the TCRA board
• Used for turbine relay control and selected solenoid applications
• Suitable for maintenance and replacement of legacy Mark V equipment
❓ Common Questions & Answers
Q: What is the DS200TCRAG2A?
A: It is a GE Mark V TCRA Relay Output Board used to provide relay contact outputs within the turbine control system.
Q: What is the relationship between DS200TCRAG2A and DS200TCRAG2ABC?
A: DS200TCRAG2A identifies the base board model, while DS200TCRAG2ABC is an extended part-number configuration with additional revision and assembly information. The complete part number should be matched when replacing a board.
Q: How many relays can the board have?
A: The TCRA board supports up to 30 relays, designated K1 through K30. Actual relay usage depends on the core position and system configuration.
Q: Where is the DS200TCRAG2A used?
A: It is primarily associated with the Q11 and Q51 digital I/O cores of the GE Mark V system.
Q: What is the board used for in the Q11 core?
A: In certain Q11 configurations, the active relays are used for gas manifold blow-off valve control.
Q: Can it provide solenoid power?
A: In appropriate Q51 and other configured core applications, selected relays can be arranged as solenoid power sources through hardware configuration on the associated terminal boards.
Q: Does the TCRA board require software configuration?
A: No. The board itself does not provide software configuration. Relay operating modes are configured through hardware jumpers on associated DTBC or DTBD terminal boards.
Q: What should I verify before replacement?
A: Verify the complete part number, revision letters, board location, Q11/Q51 core configuration, connector arrangement, relay configuration, and compatibility with the associated terminal boards.
🛡️ Safety Notes
• Disconnect and isolate all applicable power before removing or installing the board.
• Use ESD protection when handling the PCB and plug-in relays.
• Verify all connectors and field wiring before energizing the system.
• Do not assume different DS200TCRA revisions are interchangeable without checking the system configuration.
• Confirm relay configuration and terminal-board jumpers before commissioning.
• Maintenance should be performed by qualified turbine-control personnel.
📦 Recommended GE Models
- DS200TCRAG1A — Mark V Relay Output Board
- DS200TCRAG1AAA — Mark V Relay Output Board
- DS200TCRAG2A — Mark V Relay Output Board
- DS200TCDAH1A — Mark V Digital I/O Control Board
- DS200TCQAG1A — Mark V Analog I/O Board
- DS200TCQCG1A — Mark V I/O Board
- DS200TCTGG1A — Mark V Simplex Trip Board
- DS200TCTSG1A — Mark V Simplex Trip Card
- DS200TCEAG1B — Mark V Contact Expansion Board
- DS200TBCAG1A — Mark V Terminal Board
- DS200TBQAG1A — Mark V Discrete Terminal Board
- DS200DTBCG1A — Mark V Digital Terminal Board
- DS200DTBDG1A — Mark V Digital Terminal Board
- DS200STCAG2A — Mark V Signal Terminal Board
- DS200UCPBG6A — Mark V Processor/Control Board



