GE DS3800NAIF1A1A
GE DS3800NAIF1A1A
GE DS3800NAIF1A1A

GE DS3800NAIF1A1A | Mark V Series Analog Input Board for Gas Turbine Control

  • Brand: GE (General Electric)
  • Model: DS3800NAIF1A1A (Variant of DS3800 Series)
  • Product Type: Analog Input Board (Mark V Series)
  • Series: Mark V (Gas Turbine Control Systems)
  • Core Function: Serves as a critical analog signal acquisition interface in GE Mark V gas turbine control systems, enabling precise conversion and transmission of analog signals from field devices (e.g., sensors, transducers) to the VMEbus controller. Designed for high-reliability industrial environments.
  • Key Specs:
    • Bus Compatibility: VMEbus Rev. C.1 (supports 8/16/32-bit data transfer)
    • Form Factor: 6U Eurocard (160 mm × 233 mm)
    • Input Channels: 8 (configurable for voltage/current signals)
    • Input Signal Types: 0–5V DC, 0–10V DC, 4–20 mA (industry-standard ranges)
    • Resolution: 16-bit (high-precision analog-to-digital conversion)
    • Sampling Rate: Up to 1000 Hz per channel (real-time signal processing)
    • Isolation: Galvanic isolation (1500 V AC channel-to-channel, protects against voltage spikes)
    • Operating Temperature: 0°C to +55°C (industrial-grade ruggedness)
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Part number: DS3800NAIF1A1A
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Description

DS3800NAIF1A1A: Product Overview​
The GE DS3800NAIF1A1A​ is an analog input board designed specifically for GE Mark V gas turbine control systems, a legacy platform renowned for its reliability in industrial power generation. As part of the Mark V ecosystem, it acts as a “signal gateway” for analog inputs from field devices—such as turbine blade position sensors, fuel flow meters, and temperature transducers—converting raw analog signals into digital data that the VMEbus controller can process.
Role in Automation Systems:
Positioned as a “field signal interface” in Mark V architectures, the DS3800NAIF1A1A performs two primary functions:
  1. Signal Acquisition: Receives low-level analog signals from field devices (e.g., a thermocouple measuring turbine exhaust temperature) and amplifies/conditions them to match the VMEbus controller’s input requirements.
  2. Signal Transmission: Converts the conditioned analog signals to digital data (via 16-bit ADC) and transmits it to the VMEbus controller for real-time processing (e.g., adjusting fuel flow to maintain turbine efficiency).
Core Functionality:
  • VMEbus Compatibility: Conforms to VMEbus Rev. C.1, ensuring seamless integration with VME64 backplanes and controllers (e.g., GE Fanuc 90-30 series). This allows the board to work with existing Mark V components without major system upgrades.
  • Flexible Signal Handling: Supports multiple analog signal types (0–5V, 0–10V, 4–20 mA) through configurable input channels, making it adaptable to diverse field devices.
  • High Precision: The 16-bit resolution ensures accurate signal conversion (error < ±0.1% full-scale), critical for maintaining turbine stability and efficiency.
  • Rugged Design: Industrial-grade components and a compact 6U Eurocard form factor enable 24/7 operation in high-temperature, high-vibration environments (e.g., power plant turbine halls).
Platform Benefits (Mark V Series):
The DS3800NAIF1A1A inherits the Mark V platform’s strengths, including:
  • 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.
  • Legacy Compatibility: The board is designed to work with existing Mark V components (e.g., I/O modules, contactors), reducing the cost of system upgrades.
  • Scalability: Supports expansion with additional analog input boards or I/O modules to accommodate growing system demands (e.g., adding more sensors to a turbine control system).

    GE DS3800NAIF1A1A

    GE DS3800NAIF1A1A

Technical Specifications​
  • Model Number: DS3800NAIF1A1A (Variant of DS3800 Series)
  • Manufacturer: GE (General Electric)
  • Product Type: Analog Input Board
  • Series: Mark V (Gas Turbine Control)
  • Form Factor: 6U Eurocard (160 mm × 233 mm)
  • Bus Standard: VMEbus Rev. C.1 (supports 8/16/32-bit data transfer)
  • Input Channels: 8 (configurable for voltage/current signals)
  • Input Signal Ranges: 0–5V DC, 0–10V DC, 4–20 mA (programmable via jumpers)
  • Resolution: 16-bit (analog-to-digital conversion)
  • Sampling Rate: Up to 1000 Hz per channel (real-time processing)
  • Isolation: Galvanic isolation (1500 V AC channel-to-channel)
  • Accuracy: ±0.1% full-scale (at 25°C)
  • Operating Temperature: 0°C to +55°C (32°F to 131°F)
  • Storage Temperature: -40°C to +85°C (-40°F to 185°F)
  • Humidity: 5–95% non-condensing
  • Weight: 0.2 kg (0.44 lbs)
  • Certifications: CE, UL (inferred from GE industrial product standards)
Core Features & Customer Value​
1. Reliable Signal Acquisition:
The DS3800NAIF1A1A’s galvanic isolation and high-precision ADC ensure accurate signal conversion, even in electrically noisy environments. For example, in a power plant, the board can reliably measure turbine exhaust temperature (via a thermocouple) and transmit the data to the VMEbus controller, which adjusts fuel flow to maintain optimal efficiency.
2. Flexible Configuration:
Configurable input channels allow engineers to customize the board’s functionality for different field devices, reducing the need for additional signal conditioning hardware. This flexibility saves time and money during installation.
3. Rugged Industrial Design:
The board’s operating temperature range (0°C to +55°C) and compact form factor make it suitable for harsh industrial environments. Its DIN rail mounting option simplifies installation in crowded control cabinets, reducing setup time and effort.
4. Easy Integration:
VMEbus compatibility ensures seamless integration with existing VMEbus systems, minimizing downtime and effort during upgrades. This is invaluable for facilities with legacy VMEbus installations, allowing them to enhance system capabilities without replacing entire architectures.

GE DS3800NAIF1A1A

GE DS3800NAIF1A1A

Typical Applications​
The GE DS3800NAIF1A1A​ is widely used in industrial automation systems for:
  1. Power Generation:
    • Acquires analog signals from gas/steam turbines (e.g., blade position, fuel flow, temperature) for real-time control, ensuring stable power output.
  2. Manufacturing:
    • Used in assembly lines to acquire analog signals from sensors (e.g., pressure, flow) and control actuators (e.g., valves, motors).
  3. Petrochemical Industry:
    • Acquires analog signals from refinery equipment (e.g., distillation columns, pumps), ensuring safe and efficient operation in hazardous environments.

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