Description
The GE DS200DCFBG1B is a vital DC Feedback Power Supply Board designed for the GE Mark V Speedtronic turbine control system. This versatile module serves a dual purpose: it generates regulated control-level power for drive systems and processes critical analog telemetry feedback from motors. It is widely compatible with various GE drive architectures, including the AC2000, DC2000, EX2000, and FC2000 series, ensuring stability and safety in demanding industrial environments.
Technical Specifications
| Feature | Specification |
| Input Voltage | 38 VAC to 115 VAC (from Control Power Transformer) |
| Control Outputs | +5 VDC, +/- 15 VDC, +/- 24 VDC |
| Feedback Processing | 0–500 kHz (Voltage-Controlled Oscillator) |
| Configuration | 12-13 Jumpers, 7 DIP Switches |
| Protection | 3 Onboard Fuses (FU1, FU2, FU3) |
| Dimensions | Approx. 20″ x 16″ x 16″ (shipping) |
| Weight | Approx. 3 lbs |
| Origin | United States |
Frequently Asked Questions
💡 What does the DCFB board actually do?
It performs two primary tasks: it provides stable DC voltage rails (5V, 15V, 24V) to logic circuits and fans, and it converts analog motor/field signals (like armature current and voltage) into frequency signals that the main controller (SDCC/LDCC) can process accurately without electrical noise.
💡 How do I diagnose a fault on this board?
The board features three key diagnostic indicators. Red LEDs CR51 and CR55 illuminate if the internal 7A fuses (FU2, FU3) blow, while the neon lamp LT1 indicates a fault in the 115 VAC fan circuit (FU1). Additionally, the board toggles the /PSEN signal to the controller if the +5V supply loses regulation, which triggers an automatic processor reset.
💡 What do the DIP switches and jumpers control?
Most are factory-set to match your specific drive. DIP switches SW4 and SW6 are typically used to scale input/output voltage levels for feedback loops, while jumpers allow for hardware-level adjustments of relay settings or feedback attenuation.
💡 Are all DS200DCFBG1B revisions the same?
No. Different revision suffixes (like “BKC” or “BLC”) may indicate changes in the number of configuration jumpers or component layout. Always check the revision on your existing board to ensure your control software and wiring are compatible with the replacement.
Recommended Series Models
- DS200DCFBG1BJB
- DS200DCFBG1BKC
- DS200DCFBG1BLC
- DS200DCFBG1BNC
- DS200DCPAG1A
- DS200DMCAG1
- DS200DPCBG1AAA
- DS200DSFBG1A
- DS200DTBAG1A
- DS200FCSAG1A
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