Product Core Brief
- Model:
- Brand: GE (General Electric)
- Series: Speedtronic Mark V — DS200 board family
- Core Function: Gate distribution and status card (FCGD) — interfaces a six-pulse phase-controlled non-reversible bridge; decodes SCR firing data received from the DSPC, converts it to cell gating signals, and returns multiplexed cell status and scaled feedback over the drive’s VME backplane
- Product Type: Turbine drive control board / legacy spare
- Condition: New Original / New Surplus
Key Technical Specifications
| Category | Parameter | Value |
|---|---|---|
| Identification | Part Number | |
| Identification | Brand / Platform | GE / Speedtronic Mark V |
| Identification | Revision Suffix | VERIFY — documented codes are H1A / H1B; confirm trailing characters |
| Function | Board Type | Gate distribution and status card (FCGD) |
| Function | Bridge Interface | Six-pulse phase-controlled non-reversible bridge |
| Interfaces | Host Comms | Drive’s integrated VME backplane |
| Interfaces | Upstream Board | DSPC (digital signal processing card) |
| Interfaces | Feedback Path | Fiber-optic links to FPGA boards (frequency, voltage, board status) |
| Indicators | Status LED | IMOK front-panel LED |
| Electrical | Supply | VERIFY — supplied via drive frame |
| Environmental | Operating Temperature | VERIFY — listings conflict |
| Documentation | Manual | VERIFY — GEI-100221 cited for FCGD boards |
| Supply | Availability Status | Legacy / obsolete stock |
Product Introduction (No Fluff)
GE DS200FCGDH1ABA is a gate distribution and status card from the Speedtronic Mark V family. Installed in a GE drive frame, it acts as the interface to a six-pulse phase-controlled non-reversible bridge: the DSPC relays firing information to the board, the board decodes it into cell gating signals, and multiplexed cell status plus scaled feedback — frequency, voltage, board state — travel back over the drive’s VME backplane . In practice, a failed FCGD costs you bridge firing and feedback on that drive, not the whole turbine control system.
Two details decide whether a replacement works. First, the board identity: circulating listings calling this a “TCQA analog I/O board” or an “IoT serial gateway” are wrong — confirm against the removed unit. Second, the suffix: documented revisions are H1A and H1B, so the trailing BA must be read off the nameplate, not inferred. Bottom line: photograph the board before ordering.
QA & Testing SOP
- Anti-counterfeit intake. Nameplate photographed under raking light; part number, revision, and lot code checked for consistent laser depth. Counterfeits fail on the trailing characters.
- Connector and board inspection. VME connectors, fiber-optic ports, and pins checked for bending, oxidation, and heat discoloration.
- Frame power-up. Installed in a known-good Mark V drive frame; startup sequence and IMOK LED state compared against the GE manual’s expected pattern .
- Function verification. Firing commands issued and cell gating signals observed; multiplexed cell status and feedback (frequency, voltage, board status) confirmed to return correctly over the VME backplane.
- ESD-safe, moisture-protected packing. Anti-static bag, foam cradle, humidity indicator, sealed and photographed before dispatch.
Installation Pitfalls & Guide
❗ Wrong board identity. Do not order this as a TCQA analog I/O card or a serial gateway. It is an FCGD gate distribution and status card.
❗ Suffix verification. Confirm the exact trailing characters — documented revisions are H1A and H1B. A wrong suffix means a wrong board.
❗ Wiring determines function. The board’s behavior depends on correct system wiring; follow the diagrammed installation guide in the GE manual .
❗ Fiber-optic links. Feedback travels over fiber to the FPGA boards — inspect and clean connectors before seating; a dirty fiber link mimics a board fault .
❗ Redundancy state. On a redundant drive or TMR arrangement, identify the active leg before removal to avoid an unplanned switchover.
Replacement sequence:
- Pre-install — photograph slot position, fiber and cabling, LED states.
- Removal — follow the documented procedure; label every cable.
- Install — seat fully, restore grounding, torque to spec.
- Commissioning — cold boot, confirm IMOK LED, validate gating and feedback paths, then return the drive to service.
Technical FAQ
Is pricing negotiable on volume? On legacy Mark V stock, price follows availability rather than quantity. Tell us your real requirement up front.
What warranty applies? Twelve months on New Original. Six months on New Surplus.
What exactly is DS200FCGDH1ABA? A GE Mark V gate distribution and status card (FCGD) — the bridge interface board that decodes SCR firing data from the DSPC and returns feedback over the VME backplane .
Will a similar-numbered card swap in? No. On GE Speedtronic boards the suffix encodes revision and configuration. Confirm the complete part number.
Why not upgrade to a current GE control platform? Because a newer platform changes drive architecture, backplane, and commissioning — that’s an engineering project, not a purchase order.
Next step: send a nameplate photo and I’ll confirm the suffix and revision, then replace every VERIFY field with real data. I can also add FAQPage + Product Schema markup on request.
