Description
DS200DSFBG2A
DS200DSFBG2A: Product Overview
The GE DS200DSFBG2A is a driver/shunt feedback board designed specifically for GE Mark V gas and steam turbine control systems, a legacy platform renowned for its reliability in industrial power generation. As part of the Mark V ecosystem, it acts as the “feedback bridge” between field devices (e.g., current shunts, voltage sensors) and the turbine controller, ensuring accurate signal transmission and fault protection for drive circuits. Its primary role is to maintain turbine stability by providing real-time feedback on drive current/voltage, which is critical for adjusting fuel flow, valve positions, or motor speeds.
Role in Automation Systems:
Positioned as a “feedback interface” in Mark V architectures, the DS200DSFBG2A performs three key functions:
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Signal Conversion: Converts analog current/voltage signals from field shunts or sensors into digital signals via 16-bit A/D conversion, making them readable by the turbine controller.
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Signal Filtering: Applies digital filtering to remove noise from A/D signals, ensuring the controller receives clean data for accurate decision-making.
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Fault Protection: Monitors for abnormal conditions (e.g., overcurrent, sudden current changes) and triggers protective actions (e.g., shutting down a faulty drive) to prevent turbine damage.
Core Functionality:
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Mark V Bus Compatibility: Conforms to proprietary Mark V bus standards, ensuring seamless integration with existing Mark V components (e.g., STCA, TCQC boards) without major system upgrades.
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Flexible Signal Handling: Supports multiple analog signal types (current/voltage) from field devices, making it adaptable to diverse drive circuits in turbine systems.
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High Precision: 16-bit A/D conversion ensures accurate signal representation, critical for maintaining turbine efficiency and preventing unnecessary shutdowns.
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Diagnostic Features: Includes onboard LEDs (e.g., “Fault,” “Signal OK”) and test points for easy troubleshooting, reducing downtime during maintenance.
Platform Benefits (Mark V Series):
The DS200DSFBG2A inherits the Mark V platform’s strengths, including:
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Reliability: The Mark V system is the industry standard for gas turbine control, with a proven track record of 24/7 operation in power plants worldwide.
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Legacy Compatibility: The board is designed to work with existing Mark V components (e.g., I/O racks, controllers), reducing the cost of system upgrades.
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Scalability: Supports expansion with additional feedback boards to accommodate growing system demands (e.g., adding more drives to a turbine control system).
Technical Specifications
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Model Number: DS200DSFBG2A (Variant of Mark V Series)
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Manufacturer: GE (General Electric)
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Product Type: Driver/Shunt Feedback Board
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Series: Mark V (Gas/Steam Turbine Control)
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Form Factor: 6U Eurocard (160 mm × 233 mm, standard for Mark V devices)
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Bus Standard: Proprietary Mark V bus (compatible with Mark V Series controllers)
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A/D Conversion: 16-bit (field current/voltage signals)
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Filtering: Digital (configurable via GE Proficy software)
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Fault Detection: Overcurrent (IOC), differential current (DI/DT)
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Operating Temperature: 0°C to +55°C (industrial-grade)
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Storage Temperature: -40°C to +85°C
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Humidity: 5–95% non-condensing
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Weight: ~0.3 kg (0.66 lbs)
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Certifications: CE, UL (inferred from GE industrial product standards)
Core Features & Customer Value
1. Reliable Feedback Signal Processing:
The DS200DSFBG2A’s 16-bit A/D conversion and digital filtering ensure that the turbine controller receives accurate feedback from field devices. For example, in a gas power plant, the board can precisely measure the current drawn by a fuel valve drive and send this data to the controller, which adjusts the valve position to maintain optimal fuel flow.
2. Fault Protection for Drive Circuits:
The board’s overcurrent and differential current fault detection capabilities prevent damage to drive circuits. For instance, if a drive experiences a sudden current spike (e.g., due to a短路), the DS200DSFBG2A will trigger a fault signal, causing the controller to shut down the drive and prevent further damage.
3. Rugged Industrial Design:
The 6U Eurocard form factor and industrial-grade components enable 24/7 operation in harsh environments (e.g., power plant turbine halls). The board’s conformal coating protects against dust and moisture, extending its lifespan.
4. Easy Integration:
Mark V bus compatibility ensures seamless integration with existing Mark V systems, minimizing downtime and effort during upgrades. This is invaluable for facilities with legacy Mark V installations, allowing them to enhance system capabilities without replacing entire architectures.
Typical Applications
The GE DS200DSFBG2A is widely used in industrial automation systems for:
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Power Generation:
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Provides feedback for fuel valve drives, servo motors, and other turbine components in gas/steam power plants, ensuring stable power output.
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Manufacturing:
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Used in industrial motor drives (e.g., conveyor belts, pumps) to provide feedback for speed control and fault protection.
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Petrochemical Industry:
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Controls feedback for drives in refinery equipment (e.g., distillation column heaters), ensuring safe and efficient operation in hazardous environments.
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