The GE DS200FCGDH1B, also cataloged as the DS200FCGD Gate Distribution and Status Card, operates as a dedicated hardware component for SCR firing gate control and diagnostic feedback processing within GE Speedtronic Mark VI Control Systems.
Hardware Specifications
| Parameter | Specification |
|---|---|
| Model | DS200FCGDH1B |
| Brand | General Electric |
| Origin | USA |
| Series | Mark VI |
| Product Type | Gate Distribution and Status Cards |
| Functional Acronym | FCGD |
| Dimensions | 9.2 in x 6.3 in (23.4 cm x 16.0 cm) |
| Operating Temp | -30 to 65 deg C |
| Weight | 0.45 kg |
| Power Supply Voltage | 24 VDC |
| Power Consumption | 24 VDC bus supply powered |
| Mounting Type | DIN-rail mounting |
| Number of Channels | 12 channels |
| Signal Input Span | -8 mV to +45 mV |
| Manual Reference | GEI-100221 |
Firmware Flash Compatibility & Backplane Bus Processing
The DS200FCGDH1B functions as the direct firing interface for a 6-pulse phase-controlled non-reversing thyristor bridge. It receives primary SCR gate control commands from the DS200DSPC board across the VME backplane bus. Operating via multiplexed fiber-optic or copper signal paths, the card accepts cell status feedback signals and transmits real-time bridge voltage, frequency, and line current telemetry back to the DSPC processing engine. Integrated firmware flash compatibility ensures deterministic network execution and synchronized pulse distribution across all 12 operational channels.
Frequently Asked Questions
Q: How does the DS200FCGDH1B interface with the primary DSPC processor?
A: The board exchanges SCR firing data and diagnostic status signals directly with the DS200DSPC processor via the VME backplane bus structure.
Q: What bridge topology does the DS200FCGDH1B support?
A: The board is configured specifically as an interface for 6-pulse phase-controlled, non-reversing power conversion bridges.
Q: What types of telemetry data are returned by the DS200FCGDH1B to the control core?
A: The card processes incoming multiplexed cell status inputs and reports bridge voltage, line frequency, and current status values to the controller.
Field Installation Guidelines
- Disconnect all primary 24 VDC power sources and high-voltage SCR bridge lines prior to module installation or removal.
- Wear a grounded ESD wrist strap securely connected to the panel cabinet enclosure while handling the circuit card.
- Mount the card securely onto the designated enclosure DIN rail, ensuring physical latch stability and proper mechanical clearance.
- Verify that all fiber-optic or multi-pin cable harnesses connected to the gate driver outputs are properly seated and free of mechanical strain.
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