Description
Product Introduction & Engineering Value
The GE DS200TCCAG2AJB is a TCCA board used in GE’s Mark V control architecture. It belongs to the DS200 family of plug-in circuit boards and performs control-system signal interface and processing functions within the applicable Mark V cabinet.
For a maintenance department supporting legacy GE equipment, the exact board designation is important. A TCCA board with a similar base number may have different hardware or configuration characteristics. Match the complete DS200TCCAG2AJB identification before treating a spare as a direct replacement.
Technical Specifications
| Parameter | Specification |
|---|---|
| Manufacturer | General Electric |
| Part Number | DS200TCCAG2AJB |
| Product Family | DS200 |
| Board Family | DS200TCCA |
| Board Type | TCCA control / I/O board |
| Control Platform | GE Mark V |
| Configuration | G2AJB |
| Primary Role | Signal processing and control-system I/O interface |
| PCB Format | Plug-in industrial control circuit board |
| Typical System | GE Mark V turbine and industrial control equipment |
| Replacement Strategy | Exact part-number and revision verification |
| Available Conditions | New surplus, refurbished, or used |
Technical note: Public aftermarket documentation does not provide a sufficiently reliable basis for assigning every terminal, channel, voltage, or signal specification to this exact configuration. Those values should be confirmed from the applicable GE Mark V documentation and the installed board before commissioning.
Field Application & the “Trench” Experience
A Mark V I/O board can produce a surprisingly large troubleshooting footprint. A single failed interface circuit may show up as an unexpected input, missing feedback, or an alarm that initially points toward another part of the control system.
A realistic outage scenario would involve a technician identifying DS200TCCAG2AJB from the board label, then comparing the replacement against the original before removal. Connector positions, board markings, revision information, and configuration settings are documented. After installation, the technician checks the relevant field signals individually before returning the equipment to normal operation.
That approach is slower for ten minutes and much faster over the next several hours.
Niche application scenarios
- GE Mark V turbine I/O cabinets: replacement of a failed TCCA board during scheduled turbine maintenance.
- Generator auxiliary control: restoration of signal-processing circuitry supporting legacy GE control equipment.
- Industrial process drive/control cabinets: maintaining existing Mark V hardware where full-system replacement is not yet planned.
DS200TCCAG2AJB
DS200TCCAG2AJB
Transparency SOP: QA & Testing
For this board, I would separate identity verification from functional testing.
1. Board identification
Confirm the complete DS200TCCAG2AJB part number, board family, revision, and available serial information.
2. Physical condition
Inspect connectors, edge contacts, components, solder joints, PCB traces, mounting points, and signs of overheating or corrosion.
3. Configuration review
Document jumpers, switches, and configuration positions where applicable before functional testing.
4. Electrical screening
Check for obvious shorts, damaged components, abnormal resistance, and other conditions that could cause problems when power is applied.
5. Functional test
Use compatible Mark V test equipment or an appropriate test platform where available. Verify the relevant signal-processing and interface functions rather than relying only on a power-on check.
6. Final QA record
Record condition, test status, photographs, traceability information, and warranty terms.
The Veteran’s Tech Trap Guide
⚠️ Trap #1 — Do not buy by “TCCA” alone.
The TCCA family contains multiple configurations. The complete DS200TCCAG2AJB number should be matched against the installed board.
⚠️ Trap #2 — Don’t skip the original-board photographs.
Take clear images of the part number, revision markings, connectors, jumpers, and wiring before removal. Legacy Mark V cabinets often contain hardware that has been modified over years of maintenance.
PRO TIP: If the replacement board has a different revision marking, stop and verify compatibility before energizing the system. Do not assume a newer-looking revision is automatically acceptable.
⚠️ Trap #3 — Verify field signals after replacement.
A successful power-up only proves that the board can power up. It does not prove that every relevant input, output, or signal-processing path is behaving correctly.
Dynamic FAQ
What is the GE DS200TCCAG2AJB?
The is a GE TCCA control/I/O board used in the DS200 family and associated with GE Mark V control systems.
What does the TCCA board do?
It provides signal-processing and control-system interface functions within the applicable Mark V architecture. The exact signal assignments depend on the specific system configuration.
Is DS200TCCAG2AJB interchangeable with another DS200TCCA board?
Not without verification. Compare the complete part number, hardware revision, configuration, connector arrangement, and system documentation before substitution.
What information should I send when ordering a replacement?
Send the complete part number and clear photographs of the actual board. Equipment model, board revision, and application information are also useful when confirming compatibility.
How should New Surplus condition be verified?
Request photographs of the actual inventory unit and ask whether it has ever been installed, repaired, modified, or functionally tested. New Surplus should not be assumed to mean newly manufactured.
What warranty should be expected?
Warranty terms depend on the supplier and the board’s condition. Confirm the coverage period, DOA policy, return conditions, and testing status in writing before purchasing a critical spare.
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