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GE DS200DCFBG2BNC｜DC Feedback Power Board｜

Core Functions

Control-level DC power output and distribution

Motor magnetic field power supply

SCR gate drive and firing control

AC/DC signal monitoring, including armature current, magnetic field current, and line voltage

Cooling fan power supply

Input Specifications

Input voltage: 38–115 VAC

Source: Direct supply from control power transformer

Frequency range: 0–500 kHz

Output Specifications

Control-level DC outputs:

+5 VDC

±15 VDC

±24 VDC

Fan power supply:

115 VAC

Circuit Configuration

Control-level power supply circuit

Magnetic field power supply circuit

SCR gate drive circuit

AC/DC signal monitoring circuit

Configuration & Adjustment

Jumpers: 12 configurable jumpers (JP)

Switches: 7 DIP switches (SW)

Supports adaptation to different drive and excitation applications, including SCR gate-drive and feedback parameter tuning

Status Indication

LED indicators: 2 × red LEDs (power / fault)

Fuse indicator: 1 × neon lamp

Protection, Test & Interfaces

Protection: 3 onboard protective fuses

Test points: 5 voltage test points for rapid fault localization

Connectors:

18 plug-in connectors

9-pin connectors with standard pin markings (e.g., V1–V3, P1A, etc.)

System Adaptation

Compatible with EX2000 excitation systems

Supports DC2000, AC2000, CB2000, FC2000, and ME2000 IGBT drive platforms

Key Features
G2 Version Optimization

Reduced output power ripple

Faster SCR gate drive response

Adapted for higher-power drive systems

Enhanced resistance to electromagnetic interference (EMI)

Integrated Power Supply & Feedback

Provides synchronized, stable control-level DC power and AC fan power

Real-time monitoring of key electrical signals ensures closed-loop system stability

Flexible Configuration

Jumper and DIP switch settings allow adaptation to multiple drive and excitation models

Supports flexible adjustment of SCR gate drive and feedback parameters

Quick Fault Diagnosis

LED and neon indicators provide intuitive feedback on power, fault, and fuse status

Dedicated test points support rapid on-site voltage measurement and troubleshooting

High System Compatibility

Suitable for GE multi-series drive and excitation platforms

Commonly applied in EX2000 excitation systems and gas turbine drive control applications

GE DS200DCFBG2BNC ｜DC Feedback Power Board｜

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GE DS200DCFBG2BNC ｜DC Feedback Power Board｜illustration1

By structuring the information in this manner, the article provides a clear and organized understanding of input channels, transducer supply, and communication implementations in distributed control systems.

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