Description
DS3800DISA1A1B: Product Overview
The GE DS3800DISA1A1B is a digital I/O module belonging to the Mark V series (a legacy platform for GE turbine control systems). It is engineered for digital signal processing in industrial automation systems, particularly in gas and steam turbine control applications. As part of the Mark V ecosystem, it acts as a “signal gateway” between field devices (e.g., sensors, actuators) and the turbine control unit, ensuring accurate and reliable data transmission for process control.
Role in Automation Systems:
Positioned as a “field signal interface” in Mark V architectures, the DS3800DISA1A1B performs two primary functions:
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Digital Input Acquisition: Receives digital signals from field sensors (e.g., a proximity switch detecting a part in a manufacturing line) and conditions them for transmission to the turbine control unit.
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Digital Output Control: Sends digital control commands from the turbine control unit to field actuators (e.g., a solenoid valve opening to release a part) based on processed data.
Core Functionality:
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Flexible I/O Configuration: The module supports 16 digital input channels and 16 digital output channels, allowing engineers to adapt it to diverse field device requirements (e.g., combining input channels for sensor arrays and output channels for actuator control).
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Robust Communication: Supports Modbus RTU and Profibus DP protocols via an RS485 interface, enabling seamless integration with a wide range of field devices and control systems.
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Legacy Compatibility: Designed to work with existing Mark V components (e.g., I/O racks, terminal boards), reducing the cost of system upgrades. This makes it an ideal choice for power plants with aging Mark V systems, where replacing the entire control architecture is not feasible.
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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).
Platform Benefits (Mark V Series):
The DS3800DISA1A1B 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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Scalability: Supports expansion with additional I/O modules to accommodate growing system demands (e.g., adding more sensors 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 DS3800HSDD1F1G
Technical Specifications
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Parameter
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Specification
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Model Number
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DS3800DISA1A1B (Variant of Mark V Series)
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Manufacturer
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GE (General Electric)
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Product Type
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Digital I/O Module
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Series
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Mark V (Turbine Control Systems)
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I/O Channels
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16 digital inputs, 16 digital outputs
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Input Voltage
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24V DC (max 7mA per input)
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Output Voltage
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24V DC (max 0.5A per output)
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Communication
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Modbus RTU, Profibus DP (RS485 interface)
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Bus Compatibility
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VMEbus Rev. C.1 (fits into Mark V I/O racks)
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Operating Temperature
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-20°C to +60°C (industrial-grade)
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Storage Temperature
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-40°C to +85°C
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Humidity
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5–95% non-condensing
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Form Factor
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6U Eurocard (160 mm × 233 mm)
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Weight
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~0.5 kg (1.1 lbs)
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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. Reliable Digital Signal Transmission:
The DS3800DISA1A1B’s 16 digital input channels and 16 digital output channels ensure accurate signal acquisition and control, which is critical for turbine control (e.g., preventing misfires and unstable combustion).
2. Flexible Communication:
Support for Modbus RTU and Profibus DP protocols allows seamless integration with a wide range of field devices and control systems. This flexibility reduces the need for additional communication interfaces, saving time and money during installation.
3. Legacy Compatibility:
Designed to work with existing Mark V components, the DS3800DISA1A1B eliminates the need for costly system upgrades. This makes it an ideal choice for power plants with aging Mark V systems, where replacing the entire control architecture is not feasible.
4. Rugged Industrial Design:
The module’s industrial-grade construction (6U Eurocard form factor, -20°C to +60°C operating temperature) ensures reliable performance in harsh environments (e.g., turbine halls, refineries).
GE DS3800HSDD1F1G
Typical Applications
The GE DS3800DISA1A1B is widely used in industrial automation systems for:
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Power Generation:
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Controls 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 process digital signals from sensors (e.g., limit switches, proximity sensors), enabling precise control of manufacturing processes.
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Petrochemical Industry:
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Controls digital signals from refinery equipment (e.g., pumps, valves), ensuring safe and efficient operation in hazardous environments.
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