GE DS200DCFBG1 | Power Supply Board (DCFB)

The GE DS200DCFBG1 is a critical DC Feedback Power Supply Board designed for the GE Mark V Speedtronic turbine control system. It serves as a dual-purpose module, responsible for generating essential control-level power for drive systems and processing vital analog telemetry feedback. This board is widely utilized in various GE drive architectures, including the AC2000, DC2000, FC2000, and EX2000 series, ensuring system stability and operational safety in demanding industrial environments.

Technical Specifications

• Function: Power regulation and analog motor/feedback signal processing.
• Compatibility: GE Mark V Speedtronic, AC/DC/FC/ME/EX2000 drive systems.
• Input Voltage: 38 VAC to 115 VAC (from Control Power Transformer).
• Control Outputs: +5 VDC, +/-15 VDC, and +/-24 VDC rails.
• Dimensions: Approximately 20 inches x 16 inches x 16 inches (shipping size).
• Weight: Approximately 1.3 lbs (0.6 kg).
• Country of Origin: United States.

Frequently Asked Questions

💡 What is the primary function of the DCFB board?

The board performs two key roles: providing stable, regulated DC voltages (like +5V for logic and +/-15/24V for sensors/analog) to the control cabinet and converting analog feedback from motors into frequency signals (0–500 kHz) that the main controller can process.

💡 How can I identify if a fuse on the board has blown?

The board includes onboard diagnostic indicators. Red LEDs (CR51, CR55) light up to indicate blown fuses for the +/- 24 VDC lines, while a neon lamp (LT1) tracks faults in the 115 VAC enclosure fan circuit.

💡 Why does this board have configurable jumpers and DIP switches?

They allow for field-specific scaling and configuration. DIP switches scale analog input/output levels to match the specific motor or drive setup, while jumpers provide hardware-level settings for relay operation and feedback attenuation.

💡 What safety precautions should I take during maintenance?

Always ensure the drive cabinet is fully de-energized following LOTO (Lockout/Tagout) procedures. Even after power is removed, internal capacitors may hold dangerous levels of charge; wait the manufacturer-specified time before handling the board, and always treat it as a static-sensitive component.

Recommended Series Models

1. DS200DCFBG1BJB
2. DS200DCFBG1BKC
3. DS200DCFBG1BLC
4. DS200DCFBG1BNC
5. DS200DCPAG1A
6. DS200DMCAG1
7. DS200DPCBG1AAA
8. DS200DSFBG1A
9. DS200DTBAG1A
10. DS200FCSAG1A