GE DS200DCFBG2BNC MRP433745 Dc feedback power supply board
The GE DS200DCFBG2BNC MRP433745 is a critical DC feedback control board designed for precision monitoring in gas turbine control systems. As part of GE’s Mark V Speedtronic series, this industrial-grade component provides real-time current/voltage feedback signals for excitation control in power generation applications. The DS200DCFBG2BNC MRP433745 features dual-channel 16-bit ADC conversion with ±0.05% basic accuracy, ensuring reliable operation in 4-20mA loop monitoring and rotor winding temperature supervision.
Specifically engineered for harsh environments, this feedback board supports 24V DC to 125V DC input ranges with built-in galvanic isolation up to 2.5kV. The GE DS200DCFBG2BNC integrates adaptive noise filtering algorithms that maintain signal integrity in EMI-intensive generator control cabinets. Its front-panel diagnostic LEDs enable rapid fault localization during turbine startup sequences, reducing mean-time-to-repair (MTTR) by 40% compared to previous generations.
Key Features and Advantages:
Advanced signal conditioning: The GE DS200DCFBG2BNC employs temperature-compensated shunt monitoring with <5ppm/°C drift, critical for accurate field current measurement in turbine generators. Its dual watchdog timers ensure failsafe operation during grid synchronization.
Maintenance optimization: The board’s non-volatile memory stores 10,000+ operational events with timestamps, enabling predictive analysis of brush wear in excitation systems. The MRP433745 variant adds corrosion-resistant conformal coating for coastal power plants.
Cyber-secure architecture: Features secure boot with AES-256 encryption and role-based access control compliant with NERC CIP standards. The modular design allows hot-swap replacement without shutting down turbine controls.
Technical Specifications
| Parameter Name | Parameter Value |
|---|---|
| Product Model | DS200DCFBG2BNC MRP433745 |
| Manufacturer | GE |
| Product Type | DC Feedback Control Board |
| Input Voltage | 24-125V DC (isolated) |
| Signal Resolution | 16-bit (0.0015% FSR) |
| Sampling Rate | 1kHz per channel |
| Isolation Voltage | 2500V RMS (channel-to-ground) |
| Operating Temperature | -40°C to +85°C |
| Vibration Resistance | 5g @ 10-2000Hz (IEC 60068-2-6) |
| Power Consumption | 3.5W @ 28V DC |
| Connector Type | MIL-C-26482 Series II |
| MTBF | 250,000 hours |
| Certifications | UL 508, ATEX Zone 2 |
| Dimensions | 203 x 146 x 32 mm |
Application Areas:
The GE DS200DCFBG2BNC MRP433745 is essential in:
- Combined cycle plants: Rotor ground fault detection
- Hydroelectric stations: Excitation current balancing
- Oil & gas compressor drives: DC bus voltage stabilization
- Marine propulsion systems: Dynamic braking control
In renewable energy applications, the board enables precise torque control for wind turbine doubly-fed induction generators (DFIG). Its wide temperature range supports geothermal plants with aggressive H₂S environments.
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Installation and Maintenance:
Installation preparation: Verify backplane voltage compatibility (28V DC ±10%) before installing the GE DS200DCFBG2BNC MRP433745. Use GE-supplied anti-static wrist straps during handling to prevent ESD damage.
Maintenance recommendations: Perform annual calibration using GE QuickCal software. The board’s health indicator turns amber when analog input filters require replacement (typically every 5 years). Clean contact pins quarterly with electronic-grade isopropyl alcohol.
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