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GE DS200DCFBG1BJB｜DC Feedback Power Board｜

Core Functions

Control-level DC power generation and distribution

Motor magnetic field power supply

SCR gate drive and firing control

AC/DC signal monitoring, including:

Armature current

Magnetic field current

Line voltage

Cooling fan power supply

Input Specification

Input voltage: 38–115 VAC

Power source: Direct supply from the control power transformer

Output Specifications

Control-level DC outputs:

+5 VDC

±15 VDC

±24 VDC

Fan power supply:

115 VAC

Circuit Configuration

Control power supply circuit

Magnetic field power supply circuit

SCR gate drive circuit

AC/DC signal monitoring circuit

Configuration & Adjustment

Jumpers: 13 configurable jumpers (JP)

Switches: 7 DIP switches (SW)

Enables adaptation to different drive and excitation applications and SCR gate-drive parameter tuning

Protection, Test & Interfaces

Protective devices: 3 fuses

Test points: 5 voltage test points for on-site measurement

Connectors:

18 plug-in connectors

9 additional plug-in connectors

Status Indication

LEDs: 2 × red LEDs (power / fault indication)

Neon indicator: 1 × neon lamp (fuse status)

Key Features
Integrated Power Supply & Feedback

Provides stable control-level DC power and AC fan power simultaneously

Real-time monitoring of critical electrical signals supports closed-loop system stability

Flexible Configuration

Jumper and DIP switch settings allow compatibility with multiple drive and excitation models

Supports SCR gate drive adjustment for different operating conditions

Fault Diagnosis & Maintenance

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

Dedicated test points enable rapid voltage measurement and fault isolation

System Compatibility

Suitable for GE multi-series drive and excitation platforms

Particularly common in EX2000 excitation systems

Widely applied in gas turbine and industrial drive control systems

GE DS200DCFBG1BJB｜DC Feedback Power Board｜

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GE DS200DCFBG1BJB｜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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