Product Core Brief
- Model: DS200DCFBG1BNC
- Brand: GE / General Electric
- Series: Speedtronic Mark V DS200
- Core Function: Drive cabinet power supply board for GE Mark V systems; provides control-level DC power, AC/DC monitoring, motor field power support, and enclosure fan supply.
- Product Type: DC Feedback / Drive Power Board
- Key Specs: 38–115 VAC input | control-level DC outputs | AC/DC monitoring circuit | motor field power circuit | 12 jumpers + 7 DIP switches | 3 fuses | 5 test points | LED + neon status indicators
- Condition: New Original / New Surplus
- Note: “DCFB” refers to DC Feedback. This board is not a general-purpose PLC power supply; it is specific to GE Mark V drive and turbine control applications.
Key Technical Specifications
- Part Number:
- Product Family: GE Speedtronic Mark V DS200 Series
- Function: Drive control-level power board with DC feedback and AC/DC monitoring
- AC Input: 38–115 VAC
- Input Frequency: Up to 500 kHz, depending on input voltage conditions
- DC Outputs: Control-level DC power, typically including +5 VDC, ±15 VDC, and ±24 VDC
- Fan Supply: Provides 115 VAC supply for enclosure/cooling fan
- Onboard Circuits: AC/DC monitoring, control-level supply, motor field power, driver circuit
- Configuration: 12 jumpers + 7 DIP switches
- Protection: 3 onboard fuses
- Diagnostics: 2 LEDs + 1 neon indicator; 5 test points for voltage monitoring
- Compatible Drives: DC2000, AC2000, CB2000, ME2000, FC2000
- Typical Applications: GE Mark V turbine control cabinets, drive cabinet power distribution, DC feedback monitoring, legacy drive maintenance
Product Introduction (No Fluff)
The GE DS200DCFBG1BNC is a drive power supply board for the GE Speedtronic Mark V control platform. It provides system control-level DC power to installed GE drives and also supplies power to the enclosure cooling fan.
The board includes AC and DC monitoring circuits, a control-level power circuit, a motor field power circuit, and a driver circuit. Its 38–115 VAC input range allows it to operate from the drive cabinet control power supply, while onboard LEDs and a neon indicator provide basic fuse and status diagnostics. Configuration is handled through 12 jumpers and 7 DIP switches, and five test points support voltage checks during commissioning or maintenance.
This board is typically used in GE Mark V drive and turbine control systems, especially where DC2000, AC2000, CB2000, ME2000, or FC2000 drives are installed. Because the Mark V platform is legacy, DS200DCFBG1BNC is mainly used for spare replacement, drive cabinet maintenance, and migration support.
Exact output ratings, jumper maps, and DIP switch settings should be confirmed from the board label and GE Mark V drive documentation before installation.
QA & Testing SOP (Dynamic & Transparent)
For a legacy Mark V drive power board, we verify identification, physical condition, power components, and configuration readiness.
- Part number verification: Confirm DS200DCFBG1BNC on the board label. Record revision, serial number, and date code where available.
- Visual inspection: Check the PCB, fuses, jumpers, DIP switches, test points, connectors, and power components for burn marks, corrosion, or heat damage.
- Fuse and indicator check: Inspect the three onboard fuses and verify LED/neon indicator condition; note that blown fuses must be replaced with correct ratings.
- Jumper/DIP switch review: Record existing 12-jumper and 7-DIP-switch settings; do not change them without verified drive documentation.
- Test-point inspection: Confirm the five test points are intact; voltage checks require qualified personnel and calibrated instruments.
- Connector and mounting check: Verify board mounting hardware and any drive-cabinet connectors for secure contact and proper seating.
- Functional test limitation: Full functional testing requires a compatible GE Mark V drive cabinet and control power supply; if not available, testing is limited to visual, electrical, and configuration checks.
- ESD-safe packaging: Ship in anti-static bags with foam protection. Include part number, revision, and inspection status on the label.
Installation Pitfalls & Guide (Engineer to Engineer)
❗ Confirm the exact revision. DS200DCFBG1B variants such as DS200DCFBG1BLC, DS200DCFBG1BGB, and DS200DCFBG1BJB exist; do not substitute without verifying compatibility.
❗ Verify AC input range. The board accepts 38–115 VAC; confirm the cabinet control power transformer and wiring match this range before energizing.
❗ Do not change jumpers or DIP switches blindly. Incorrect configuration can affect control-level outputs, motor field power, or feedback behavior.
❗ Check fuses before commissioning. The board has three fuses; a blown fuse may prevent proper DC outputs or fan operation.
❗ Use test points only with proper procedures. The five test points are for qualified service use; measure voltages only after confirming safe isolation and correct probe placement.
❗ This is a legacy Mark V board. The Speedtronic Mark V platform is no longer current; use DS200DCFBG1BNC mainly for maintenance, spare replacement, or migration projects.
Replacement steps:
- Pre-install: Record drive type, cabinet location, AC input source, jumper settings, DIP switch positions, and fuse ratings.
- Isolate: De-energize the drive cabinet and follow plant lockout/tagout procedures.
- Remove: Disconnect power and signal wiring as applicable, remove mounting hardware, and withdraw the board carefully.
- Install: Seat the replacement DS200DCFBG1BNC, restore wiring, and verify jumper/DIP settings match the original configuration.
- Commission: Verify AC input, DC outputs, fuse status, LED/neon indicators, fan supply, and drive cabinet diagnostics before returning to service.
Technical FAQ
What is the GE DS200DCFBG1BNC?
It is a GE Speedtronic Mark V drive power board that provides control-level DC power, AC/DC monitoring, motor field power support, and enclosure fan supply.
What does “DCFB” mean?
“DCFB” stands for DC Feedback, indicating the board supports DC parameter monitoring and feedback within the drive system.
What AC input does it accept?
It accepts 38–115 VAC, with frequency capability depending on input voltage conditions.
Which drives is it compatible with?
It is commonly used with GE DC2000, AC2000, CB2000, ME2000, and FC2000 drives.
Can it replace DS200DCFBG1BLC or DS200DCFBG1BJB?
Not automatically. Variants such as DS200DCFBG1BLC, DS200DCFBG1BGB, and DS200DCFBG1BJB may differ in configuration or application; always confirm compatibility with the drive cabinet documentation.
