Description
1. Product Title
GE DS200DCFBG2BNC – DC Field Bus Feedback Board for Mark VI Turbine Control
2. Product Overview
The DS200DCFBG2BNC is a critical component within the General Electric Speedtronic™ Mark VI turbine control system architecture. Designed as a DC Field Bus feedback and power distribution board, it serves as the interface between the core control processors and the field devices in large-scale gas and steam turbine applications. This module ensures reliable signal conditioning, power regulation, and data feedback loops essential for precise speed governing, temperature monitoring, and protective tripping functions. By integrating robust redundancy features and industrial-grade shielding, the DS200DCFBG2BNC addresses the stringent reliability requirements of power generation facilities, minimizing downtime and preventing catastrophic equipment failure through accurate real-time data acquisition and stable power delivery to I/O subsystems.
3. Technical Specifications
- Brand: General Electric (GE)
- Model: DS200DCFBG2BNC
- Associated Part Number: MRP445970
- Product Series: Speedtronic™ Mark VI / Mark V Upgrade Compatible
- Warranty: One Year
- Condition: 100% New & Original
- Function: DC Field Bus Feedback & Power Distribution
- Input Voltage: Typically 24VDC (System Logic) / High Voltage Field Inputs (Specific to application configuration)
- Communication Protocol: GE proprietary Field Bus / I/O Net compatible
- Operating Temperature: -30°C to +65°C (Standard Industrial Range)
- Mounting Style: DIN Rail or Chassis Mount (Backplane connected)
- Dimensions: Standard GE Mark VI Euro-card form factor
- Weight: Approx. 0.8 – 1.2 kg
- Protection Class: Conformal coated for humidity and corrosion resistance
4. Key Features & Benefits
- High-Integrity Signal Feedback: The board provides precise scaling and conditioning of analog signals (such as LVDT positions, thermocouple readings, and pressure transmitters), ensuring the turbine control processor receives accurate data for closed-loop control algorithms.
- Robust Power Distribution: It acts as a stable power hub, distributing regulated DC voltage to connected I/O modules and field sensors, thereby isolating sensitive logic circuits from electrical noise and transients common in power plant environments.
- Legacy Compatibility & Migration: As an evolution of the Mark V series (superseding models like DS200DCFBG2B), the DS200DCFBG2BNC facilitates seamless upgrades to the Mark VI platform, allowing operators to modernize control systems while retaining existing field wiring architectures where possible.
5. Application Scenarios
- Combined Cycle Power Plants: Deployed in the primary control cabinet of GE Frame 6, 7, and 9 gas turbines to manage fuel flow servo-valves and monitor exhaust temperature spreads.
- Steam Turbine Governing Systems: Utilized in fossil-fuel and nuclear steam turbine applications for precise speed control and valve position feedback during synchronization and load shedding events.
- Mechanical Drive Compressors: Applied in oil and gas pipeline compressor stations where GE turbine drivers require high-availability control systems to maintain constant pressure and flow rates.
6. Frequently Asked Questions (FAQ)
- Q: What is the primary function of the DS200DCFBG2BNC?
- A: Its primary function is to serve as a DC Field Bus feedback board within the GE Mark VI control system, handling power distribution to I/O modules and conditioning critical analog feedback signals for turbine governance.
- Q: Is DS200DCFBG2BNC compatible with legacy systems?
- A: Yes, it is designed as a direct successor to Mark V series boards (such as the DS200DCFBG2B), offering backward compatibility for signal types while providing enhanced processing and diagnostic capabilities for Mark VI upgrades.
GE IS210BPPBH2BMD GE IS420ESWBH3A GE IS420PPNGH1A
- A: Yes, it is designed as a direct successor to Mark V series boards (such as the DS200DCFBG2B), offering backward compatibility for signal types while providing enhanced processing and diagnostic capabilities for Mark VI upgrades.








