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Phone: +86 16626708626Description
Key Technical Specifications
- Part Number: DS200TCEBG1A
- Manufacturer: GE
- Series: Mark V
- Product Type: Protective Termination Expander Board
- Primary Function: Modifies PT and CT signals in turbine control service
- Connector Set: 1 x 26-pin, 4 x 10-pin, 3 x 20-pin
- Signal Components: 4 signal transformers
- Mounting: 8 screw holes for secure installation
- Position: P core, position 2
- Additional Feature: Audible alarm horn
Product Introduction
GE DS200TCEBG1A is a Mark V common circuit EOS board used in turbine control systems. It conditions and modifies PT and CT signals and sits in the P core position 2.
This part is typically selected as an exact replacement when the installed GE Mark V board must match the original connector layout and mounting pattern. The heavy-component layout, screw mounting, and signal-transformer section make revision matching worth checking before you order.
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to This Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| PT or CT readings are wrong | Signal conditioning fault on the board | ✅ High | Compare input and output signal values with a meter or loop tester | Verify the board if sensor and wiring checks pass |
| Audible alarm horn does not sound | Horn circuit issue or no alarm command | ✅ Medium | Check alarm output command and continuity to the horn circuit | Inspect the horn path before replacing the board |
| Control system trips after startup | Incorrect board install or mismatch | ✅ High | Confirm exact part number and installed position in the P core | Recheck model suffix and seating before assuming failure |
| Board feels loose in the rack | Missing or loose mounting hardware | ✅ High | Inspect all 8 screw holes and fasteners | Tighten or reinstall the board properly |
| No response from connected terminals | Broken connector or bent pins | ✅ High | Inspect 26-pin, 10-pin, and 20-pin connectors under magnification | Repair connector damage before swapping the board |
| Signals drift after warm-up | Internal component aging or heat stress | ✅ Medium | Run the board under load and watch for signal drift | Replace only after confirming stable wiring and supply inputs |
Contact technical support with photos, diagnostic logs, and the exact installed rack location if you are still stuck.
- DS200TCEBG1A
Frequently Asked Questions
Q: What is the GE DS200TCEBG1A used for?
A: It is a common circuit EOS card for GE Mark V turbine control systems. It handles PT and CT signal modification and related protection functions.
Q: Is this a direct replacement for the original board?
A: It can be, but only if the suffix, connector layout, and mounting arrangement match the installed unit. Do not assume similar DS200 boards are interchangeable.
Q: What should I check before installation?
A: Verify the exact part number, connector count, screw-hole alignment, and P core position. I would also inspect the pins and take a photo of the old board before removal.
Q: Does this board have an audible alarm horn?
A: Yes, this board is described with an audible alarm horn feature. If the alarm circuit is quiet, check the wiring and command signal before replacing the card.
Q: Why is this part often sold as surplus?
A: GE Mark V hardware is legacy equipment, so factory-new stock is limited. That is why the market often uses new surplus or tested replacement stock.
Q: Can I hot-swap it?
A: No, do not treat it as hot-swappable. Power down first, then remove it. Live handling can damage the board or the rack.
Q: Why do prices vary so much?
A: Condition, test status, and warranty drive the difference. A tested board with documented inspection usually costs more than an unverified pull.
