Description
DS3800HSAB1D1B: Product Overview
The GE DS3800HSAB1D1B is a servo valve interface board belonging to the Mark IV series, a legacy platform for GE turbine control systems. It is engineered for signal conditioning and communication in industrial automation systems, particularly in gas and steam turbine control applications. As part of the Mark IV ecosystem, it acts as a “bridge” between the turbine control unit and servo valves, ensuring that control commands are accurately transmitted and executed.
Role in Automation Systems:
Positioned as a “servo control interface” in Mark IV architectures, the DS3800HSAB1D1B performs two primary functions:
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Signal Conditioning: Receives analog signals from the turbine control unit (e.g., fuel flow setpoints) and conditions them (e.g., scaling, filtering) into a format suitable for servo valves.
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Signal Transmission: Transmits conditioned signals to servo valves, enabling precise adjustment of turbine components (e.g., fuel valves, steam inlet valves) to maintain optimal performance.
Core Functionality:
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VMEbus Compatibility: Conforms to VMEbus Rev. C.1 standards, ensuring seamless integration with existing Mark IV I/O racks and controllers. This eliminates the need for additional adapters or modifications, minimizing installation time and cost.
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Flexible Signal Handling: Supports multiple analog signal types (4–20 mA, ±10 V DC) through configurable input/output channels, making it adaptable to diverse servo valve requirements.
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Rugged Design: Industrial-grade components and a compact form factor (6U Eurocard) enable 24/7 operation in high-temperature, high-vibration environments (e.g., turbine halls).
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Legacy Support: Designed to work with existing Mark IV components (e.g., I/O modules, terminal boards), reducing the cost of system upgrades. This makes it an ideal choice for power plants with aging Mark IV systems, where replacing the entire control architecture is not feasible.
Platform Benefits (Mark IV Series):
The DS3800HSAB1D1B inherits the Mark IV platform’s strengths, including:
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Reliability: The Mark IV system is a proven platform for turbine control, with a track record of 24/7 operation in power plants worldwide.
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Scalability: Supports expansion with additional I/O modules to accommodate growing system demands (e.g., adding more servo valves to a turbine control system).
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Easy Integration: Compatible with GE Fanuc/Emerson PLC/PAC systems, ensuring seamless integration with existing automation architectures.
GE DS3800NGRC1F1F
Technical Specifications
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Parameter
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Specification
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Model Number
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DS3800HSAB1D1B (Variant of Mark IV Series)
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Manufacturer
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GE (General Electric)
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Product Type
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Servo Valve Interface Board
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Series
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Mark IV (Turbine Control Systems)
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Bus Compatibility
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VMEbus Rev. C.1 (fits into Mark IV I/O racks)
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Form Factor
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6U Eurocard (160 mm × 233 mm)
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Input Signal Types
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4–20 mA, ±10 V DC (configurable)
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Output Signal Types
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4–20 mA, ±10 V DC (conditioned)
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Operating Temperature
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-20°C to +60°C (industrial-grade)
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Power Supply
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12V DC (nominal)
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Weight
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~0.5 kg (1.1 lbs) (typical for Mark IV devices)
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Certifications
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CE, UL (inferred from GE industrial product standards)
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Core Features & Customer Value
1. Precise Servo Control:
The DS3800HSAB1D1B’s signal conditioning capabilities ensure accurate transmission of control commands to servo valves, which is critical for turbine control (e.g., preventing fuel overfeed or underfeed).
2. Seamless Legacy Integration:
The board’s VMEbus compatibility allows it to work with existing Mark IV components, reducing the cost of system upgrades. This makes it an ideal choice for power plants with aging Mark IV systems, where replacing the entire control architecture is not feasible.
3. Rugged Industrial Design:
The board’s ability to operate in extreme temperatures (-20°C to +60°C) and resist vibration/moisture makes it suitable for harsh environments like turbine halls. This reduces the risk of unplanned downtime and extends the lifespan of the control system.
4. Easy Maintenance:
The board’s modular design allows for quick replacement during maintenance—minimizing downtime. Aftermarket suppliers like York MRO and Saul Electric offer repair and replacement services for the DS3800HSAB1D1B, ensuring that facilities can extend the lifespan of their existing systems.
GE DS3800NGRC1F1F
Typical Applications
The GE DS3800HSAB1D1B is widely used in industrial automation systems for:
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Power Generation:
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Controls servo valves in gas/steam turbines in power plants, ensuring stable power output and efficient fuel use.
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Manufacturing:
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Used in assembly lines to control servo valves for precise positioning of components (e.g., robotic arms).
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Petrochemical Industry:
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Controls servo valves in refinery equipment (e.g., distillation columns, pumps), ensuring safe and efficient operation in hazardous environments.
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