Description
GE DS200DCFBG2BNC – Drive Control & Feedback Interface Board
Product Overview
The GE DS200DCFBG2BNC is a drive control and feedback interface board specifically engineered for GE Mark V gas turbine control systems. It processes signals from speed sensors and LVDT/RVDT transducers, converts analog feedback into actionable drive commands, and ensures stable turbine startup, shutdown, and load regulation. This board solves the challenge of precise signal conditioning and reliable feedback transmission in harsh industrial environments, supporting critical control operations in power generation and heavy industrial settings.
Technical Specifications — DS200DCFBG2BNC
| Parameter | Value |
|---|---|
| Product Model | DS200DCFBG2BNC |
| Manufacturer | GE |
| Product Type | Drive Control & Feedback Interface Board |
| Power | +5VDC ±5% (backplane power), ≤15W power consumption; ±15VDC regulated outputs (0.8A each) |
| Communication / Protocol | TDM (Time Division Multiplex) bus, 10Mbps transmission rate |
| Operating Temperature | -25°C ~ +70°C |
| Mounting | 6U Eurocard format, snap-in with screw fixation |
| Dimensions (HxWxD) | 233mm × 160mm × 30mm (approx.) |
| Weight | 1kg (approx.) |
| Typical Interfaces | 2x BNC connectors (front), 96-pin DIN connector (rear), 2x LVDT/RVDT inputs, 2x MRP sensor inputs |
| Compliance | ANSI/IEEE C37.90, IEC 60068-2-27 |

GE DS200DCFBG2BNC
Key Features and Benefits — DS200DCFBG2BNC
- Integrates 16-bit ADC and 14-bit DAC for high control precision (±0.1% FSR), ensuring accurate signal conversion for turbine speed and position control.
- Equipped with 4 isolated relay outputs (5A @ 30VDC) and dedicated BNC interfaces for stable high-frequency signal transmission, reducing interference.
- Built-in short-circuit protection and power status monitoring (/PSEN signal), triggering microprocessor reset in case of power anomalies to protect connected components.
- Wide operating temperature range and vibration resistance (15g @11ms) make it suitable for harsh gas turbine cabin environments.
- Seamless compatibility with GE Mark V control systems, supporting easy integration without extensive system reconfiguration.
Related Models
- DS200DCFBG1BNC: Similar drive control & feedback board with 1 BNC interface, compatible with Mark V systems for lighter-duty applications.
- DS200TCPAG: Control processor board for GE Mark V systems, works with DS200DCFBG2BNC to form a complete control loop.
- DS200DSPG: Drive signal board that interfaces with DS200DCFBG2BNC to amplify and transmit drive commands to turbine actuators.
- DS200TBCAG: Backup crisis protection board, paired with DS200DCFBG2BNC to enhance system safety and reliability.
Installation and Maintenance — DS200DCFBG2BNC
- Mount the board in a compatible GE Mark V cabinet, ensuring secure connection to the backplane power supply and TDM bus.
- Verify BNC and DIN connector connections to sensors and control modules; check dip switches (SW4, SW5) to configure voltage ranges as required.
- Regular maintenance involves inspecting fuse status (FU1, FU2, FU3) and LED indicators to identify blown fuses or power anomalies.
- Replace the board with the same model for compatibility; no system parameter reconfiguration is needed if the replacement is identical.
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