Description
Key Technical Specifications
| Parameter | Value |
|---|---|
| Manufacturer | GE Industrial Control Systems |
| Model | DS200DCFBG1BJB |
| Product Type | Power Supply Board |
| Series | Mark V Speedtronic |
| Primary Function | Drive control power distribution |
| Supported Systems | EX2000, DC2000, AC2000, FC2000, GF2000, ME2000, CB2000 |
| Input Monitoring | Three-phase AC line monitoring |
| Feedback Circuits | Motor armature and DC bus feedback |
| Configuration | DIP switches and jumper settings |
| Protection | Multiple onboard fuses with LED status indicators |
| Connectors | Multi-pin field connectors (1PL, 2PL, 4PL, 5PL series) |
| Installation | Drive control cabinet |
The DS200DCFBG1BJB is a member of the GE DS200DCFBG1B power supply board family used in Mark V industrial drive systems. It distributes control-level power and monitors AC line, DC bridge, and motor feedback signals for compatible GE drive platforms.
Product Introduction
The GE DS200DCFBG1BJB is a Mark V power supply board designed for GE industrial drive systems. It provides regulated control power while supporting voltage monitoring, feedback processing, and protective functions required by the drive controller.
This board is commonly installed in EX2000, AC2000, DC2000, FC2000, GF2000, CB2000, and ME2000 applications. Configuration is performed through onboard DIP switches and jumpers to match the requirements of the installed drive system. The board includes fuse monitoring, multiple diagnostic indicators, and numerous field connections for power and feedback circuits.

DS200DCFBG1BJB

DS200DCFBG1BJB
Troubleshooting Quick Reference
| Symptom | Possible Cause | Relevance | Quick Check Method | Recommendation |
|---|---|---|---|---|
| No LEDs illuminated | Missing control power | ✅ High | Measure incoming AC and DC voltages | Verify upstream power before replacing board |
| Fuse indicator illuminated | Blown onboard fuse | ✅ High | Check fuse continuity with a multimeter | Replace fuse and investigate overload |
| Drive fails to initialize | Incorrect DIP switch configuration | ✅ High | Compare switch positions with existing board | Match original configuration before power-up |
| Voltage feedback error | Feedback wiring issue | ✅ High | Measure feedback signals at terminal connections | Verify field wiring and connectors |
| Communication fault | External controller problem | ❌ Medium | Inspect SDCC/LDCC controller diagnostics | Confirm controller health before replacing board |
| Intermittent operation | Loose connector or aging components | ✅ Medium | Inspect all plug-in connectors | Reseat connectors and inspect for damage |
| Overheating | Cooling airflow restricted | ❌ Medium | Inspect cabinet fans and airflow | Restore cooling before installing replacement |
Field Note: This board is generally reliable. In many service calls, power supply issues, blown fuses, wiring faults, or incorrect configuration are found before the board itself has failed. Record the existing DIP switch and jumper positions before removal, and verify compatibility with the installed drive revision.
Frequently Asked Questions (FAQ)
Q1. Is the DS200DCFBG1BJB interchangeable with other DS200DCFB boards?
Not always. GE uses suffixes to indicate hardware revisions and compatibility. Confirm the complete part number, including the G1BJB suffix, before ordering. Different revisions may not be functionally interchangeable.
Q2. Which systems use this board?
It is commonly installed in GE Mark V drive systems, including EX2000, AC2000, DC2000, FC2000, GF2000, CB2000, and ME2000 applications.
Q3. Can I replace the board without changing configuration?
Only if the replacement board matches the original revision. Before removal, document all DIP switch settings and jumper positions, then duplicate them on the replacement board.
Q4. Is the board hot-swappable?
No. Remove all cabinet power and follow plant lockout/tagout procedures before replacing the board. Installing or removing it while energized can damage the board or associated drive electronics.
Q5. Why are New Surplus units often less expensive than factory inventory?
New Surplus boards are genuine OEM products from excess inventory or discontinued stock. They have not been used in service but may no longer be supplied directly by the original manufacturer. Availability is therefore limited.
Q6. What testing should be performed before shipment?
A qualified supplier should verify:
- Visual inspection for damage or corrosion
- Power-on functional verification
- Fuse continuity testing
- Connector inspection
- Electrical isolation checks where applicable
- Secure anti-static packaging with traceable QC documentation
Q7. Is this board still supported?
The Mark V platform is considered a legacy control system. Many facilities continue to operate these systems, but procurement typically relies on surplus inventory, professionally refurbished units, or specialized industrial automation suppliers rather than new OEM production.

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