What's Inside the DS200TCEAG2B
At the heart of this board is an Intel 80196 microprocessor, backed by PROM modules that store the CPU's firmware and operating instructions. The board also carries 3 fuses, 30 jumpers, and 2 bayonet connectors. It operates inside the Mark V's <P> protective core, as one of the three TCEA boards (<X>, <Y>, and <Z> processors) responsible for bringing shaft speed signals, flame detection, and auto-synchronizing to the protection system.
About the G1 and G2 Groups
We've confirmed, through field engineer reports, that the G1B generation is configurable via the <I> interface while the G1A requires manual adjustment of Berg jumpers. As for what specifically differentiates the G2 group from the G1 group in this family, we haven't found specific confirmation in an independent technical source — so we won't claim here what changes. The practical rule stays the same: compare the physical label of the board being removed against the replacement, and don't assume compatibility between different groups without that check.
When Moving the PROM Modules
The replacement board arrives with empty PROM sockets — the modules need to be physically transferred from the old board. They're static-sensitive: use a properly connected anti-static wrist strap (one end on the wrist, the other clipped to a grounded metal surface) throughout the operation, and check that no pins were bent during reinstallation.
Diagnose Before You Buy
A case reported by Mark V engineers on a technical forum shows that replacing the TCEA alone doesn't always resolve a failure — the points that resolved the case were Berg jumpers (which need to match the correct <X>/<Y>/<Z> position), a compatible PROM revision, TCPS fuses, and flat-cable integrity (corrosion on the pins). It's worth ruling out these causes before considering the board itself definitively faulty. Any check or adjustment related to the overspeed setpoint must follow the GE manual applicable to your revision and your plant's official procedure.
Reading the Part Number
DS200TCEAG2B is the base; DS200TCEAG2BHD is the full revision stamped on the physical label. Always provide the complete code when requesting a quote.
This Unit
Used, cleaned and tested, with a 1-year warranty.
What to Send With Your Quote
- Full part number with suffix, with a photo of the label
- Turbine model and Mark V configuration (Simplex or TMR)
- Revisions installed on the other two boards of the <P> core
- Quantity and urgency
Request a quote through Request a Quote: response within 24 hours, worldwide DDP dispatch, purchase orders accepted.
General Information about the Product |
Part Number |
DS200TCEAG2B Mark V DS200 |
Description |
DS200TCEAG2B By General Electric DS200TCEAG2BHD Emergency Overspeed Board |
Condition |
used Cleaned and Tested. With 1 Year Warranty. |
