Description
GE DS200DCFBG2BNC DC Power Supply and Feedback Board Product Description
Product Overview
GE DS200DCFBG2BNC is a DC Power Supply and Feedback Board developed for GE Speedtronic Mark V turbine control systems and related drive control applications. As a critical power interface and feedback processing component within the GE Mark V DS200 series, GE DS200DCFBG2BNC provides regulated DC power conversion, voltage monitoring, feedback signal processing, and interface functions for turbine control and industrial drive systems. The board is designed to support reliable operation of GE excitation systems, DC drive systems, and turbine automation equipment where stable power supply and accurate feedback signals are essential.
The GE DS200DCFBG2BNC integrates multiple functional circuits, including control-level power supply circuits, motor excitation power supply circuits, AC/DC voltage monitoring circuits, and feedback signal conditioning circuits. It receives electrical feedback information from connected equipment and provides processed signals to the control system, enabling precise monitoring and regulation of drive and turbine-related operations. With its rugged industrial PCB design, GE DS200DCFBG2BNC supports continuous operation in demanding environments such as power plants, industrial production facilities, and energy infrastructure applications.
As part of the GE Mark V Speedtronic control family, GE DS200DCFBG2BNC plays an important role in maintaining system reliability and operational stability. The board is compatible with GE DC2000, AC2000, CB2000, ME2000, and FC2000 series drive applications, making it a valuable replacement and maintenance component for legacy GE automation systems. Its combination of power regulation capability, diagnostic features, and feedback processing functions makes GE DS200DCFBG2BNC an important spare part for extending the lifecycle of installed GE turbine and drive control platforms.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | DS200DCFBG2BNC |
| Manufacturer | GE (General Electric) |
| Product Type | DC Power Supply and Feedback Board |
| Series | GE Mark V DS200 Series / Speedtronic Control |
| Functional Acronym | DCFB (DC Feedback Board) |
| Application | Turbine control, excitation systems, industrial drives |
| Compatible Systems | GE Mark V, DC2000, AC2000, CB2000, ME2000, FC2000 systems |
| Input Voltage Range | 38–115 VAC (application dependent) |
| Feedback Functions | DC voltage/current feedback monitoring |
| Power Functions | Control-level and motor excitation power supply |
| Connectors | 18 plug connectors and 9 stab connectors |
| Configuration Components | 7 DIP switches, 12 jumpers |
| Protection Components | 3 onboard fuses |
| Diagnostic Indicators | 2 LED indicators and 1 neon indicator |
| Test Points | 5 onboard test points |
| PCB Assembly Type | Normal assembly |
| Weight | Approximately 3.85 lb (1.75 kg) |
Main Features and Advantages
Advanced power supply and feedback integration:
The primary advantage of GE DS200DCFBG2BNC is the integration of multiple critical functions into a single industrial control board. It combines DC power supply regulation, voltage monitoring, and feedback signal processing, reducing the need for separate interface components and improving system reliability. This integrated architecture allows turbine and drive control systems to operate with improved stability and efficiency.
Reliable feedback signal processing:
GE DS200DCFBG2BNC provides accurate feedback monitoring for DC voltage, motor armature signals, and excitation-related parameters. By processing feedback information from field equipment, the board enables the control system to maintain precise regulation of connected drives and turbine control functions. This capability is essential for applications requiring accurate speed, torque, and excitation management.

DS200DCFBG2BNC
Flexible configuration capability:
The board includes multiple configurable elements such as DIP switches and jumpers, allowing engineers to adapt GE DS200DCFBG2BNC to different application requirements. These hardware configuration options support compatibility with various GE drive and turbine control installations while simplifying commissioning and replacement procedures.
Comprehensive diagnostic design:
GE DS200DCFBG2BNC incorporates onboard diagnostic features including LED indicators, neon status indicators, fuses, and test points. These features assist maintenance engineers in quickly identifying power supply conditions, circuit faults, and abnormal operating states, reducing troubleshooting time.
Industrial-grade reliability:
Designed for demanding industrial environments, GE DS200DCFBG2BNC uses robust electronic components and a durable PCB structure to support continuous operation. Its design considers electrical noise, temperature variation, and long-term service requirements commonly found in power generation and industrial automation applications.
Excellent lifecycle support value:
Many power plants and industrial facilities continue operating GE Mark V control systems due to their proven reliability. GE DS200DCFBG2BNC provides an effective replacement solution for maintaining existing equipment, reducing upgrade costs, and minimizing production interruptions caused by obsolete control components.
Application Areas
Gas Turbine Control Systems:
GE DS200DCFBG2BNC is widely applied in GE Speedtronic Mark V gas turbine control systems. It provides power management and feedback interface functions required for turbine operation monitoring, control regulation, and protection functions.
Steam Turbine and Generator Systems:
In steam turbine applications, GE DS200DCFBG2BNC supports excitation and control-related functions by providing stable power and feedback processing capabilities. It helps maintain reliable operation of generator control systems.
Industrial Drive Systems:
The board is compatible with GE DC drive platforms and can be used in applications involving motor control, excitation management, and industrial process equipment. GE DS200DCFBG2BNC enables accurate feedback monitoring for improved drive performance.
Power Generation Facilities:
Power plants require highly reliable control components to maintain continuous operation. GE DS200DCFBG2BNC supports critical turbine and electrical control functions, helping operators maintain safe and efficient plant operation.
Maintenance and Retrofit Projects:
For facilities operating legacy GE Mark V systems, GE DS200DCFBG2BNC serves as an important spare and replacement component. It allows users to restore system functionality quickly without replacing complete turbine control architectures.
Related Products
- GE DS200DCFBG2B – Previous revision of the DCFB power supply and feedback board, related to DS200DCFBG2BNC.
- GE DS200DCFBG1B – Earlier DCFB board version used in GE drive and control applications.
- GE DS200DCFBG2BNC MRP420024 – Alternative ordering reference associated with DS200DCFBG2BNC.
- GE DS200DCFBG2BNC MRP433745 – Related board identification variant for the same hardware family.
- GE DS200DCFBG2BNC MRP445970 – Related application reference used in GE control environments.
- GE DS200EXIBG1A – Exciter interface board used in GE turbine excitation systems.
- GE DS200DSPAG1ABB – Digital signal processor board used in GE Mark V control systems.
- GE DS200TCRAG1ACC – Relay output terminal board used in GE Speedtronic systems.
