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Phone: +86 16626708626Description
Key Technical Specifications
- Manufacturer: GE
- Model: DS200ADMAH1AAA
- Platform: Mark V
- Module Type: Analog-to-Digital Module / A/D daughter
- Primary Use: Gas turbine control application
- Board Role: Configuration/control support for Mark V
- Availability Note: Replacement part listings show superseding catalog references for DS200ADMAH1A / ADMA
- Condition: Commonly sold as new surplus or refurbished through industrial spare-part
Product Introduction
GE DS200ADMAH1AAA is a Mark V Speedtronic analog-to-digital module used in gas turbine control systems. It is listed as an ADMA board or A/D daughter board in the DS200 family, and buyers usually search it as a direct replacement for legacy GE turbine controls.
This part matters because Mark V hardware is revision-sensitive. Match the suffix, board family, and system application before ordering, since suppliers also list superseding references under DS200ADMAH1A.
- DS200ADMAH1AAA
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance to This Part | Quick Check Method | Recommendation |
|---|---|---|---|---|
| Turbine control alarm after swap | Wrong board revision or family mismatch | ✅ High | Compare the old label, suffix, and physical board style before installation | Do not install until the exact replacement path is confirmed |
| Analog inputs read incorrectly | A/D board fault or upstream signal issue | ✅ High | Measure field input values at the cabinet terminals and compare with PLC readback | Verify wiring and input scaling first, then replace the module if needed |
| No response from the module | Backplane, power, or connector issue | ✅ High | Check rack power, seating, and connector pins with the cabinet powered down | Reseat and inspect before condemning the board |
| Intermittent faults during operation | Loose connector, oxidation, or thermal issue | ✅ High | Wiggle-test only with power off, then inspect for bent pins and heat marks | Clean contacts and verify mechanical fit |
| A/D values drift over time | Input conditioning or ground reference problem | ✅ Medium | Measure ground reference and signal stability with a meter | Confirm field grounding and shielding before replacement |
| Cabinet runs but data is stale | Communications or host configuration issue | ❌ Low | Check the controller and downstream software for live updates | This is often not a board failure |
If the fault does not clear, send photos of the board, the rack slot, and the alarm history to technical support.
Frequently Asked Questions
Q: Is DS200ADMAH1AAA the same as DS200ADMAH1A?
A: Not always. Some suppliers list DS200ADMAH1A as a superseding or consolidated catalog reference, but I would not treat that as automatic plug-and-play compatibility without checking the exact Mark V
A: It converts analog signals into digital data for the Mark V control system. In practice, that means it sits inside a turbine control architecture where input accuracy and revision match both matter.
Q: Is this board new, refurbished, or surplus?
A: Industrial spare-part sellers commonly offer it as unused, new surplus, or refurbished depending on inventory. Ask for the exact condition, test status, and serial traceability before you buy.
Q: Can I swap it without rework?
A: Sometimes, but do not assume it. Mark V parts can be sensitive to revision, firmware, and daughter-board configuration, so document the old unit before removal and verify the replacement against the cabinet records.
Q: Why is this part often sold through surplus channels?
A: Because GE no longer treats legacy Mark V hardware like active production stock. That is normal for older turbine controls, but it makes identification and testing more important than the price tag alone
Q: What should I check before ordering?
A: Confirm the exact suffix, board family, and the role the module plays in your turbine control cabinet. I would also verify whether your site documentation calls for DS200ADMAH1AAA specifically or a later catalog substitute.
