الوصف
The GE DS3800NADC is an 8-Channel Analog Input Card used in the GE Speedtronic Mark IV series of turbine and generator control systems. As a legacy component, it’s no longer in production and is primarily found on the surplus and refurbished markets for maintaining older systems. ⚙️
Function and Purpose
The primary function of the DS3800NADC is to receive and convert analog signals from various sensors into a digital format that the Mark IV’s processors can understand. In a turbine control system, analog signals are used to measure continuously varying physical parameters. The card’s key roles include:
- Analog-to-Digital Conversion (A/D): The board takes analog signals (e.g., voltage or current) from sensors that measure physical quantities like temperature, pressure, and vibration and converts them into digital data.
- Multi-Channel Input: With its 8 channels, the card can simultaneously monitor and process data from eight different sensors, which is crucial for a complex system that requires real-time data from numerous sources.
- Signal Conditioning: The card also includes circuitry to “condition” the analog signals, such as filtering out electrical noise and amplifying weak signals to ensure accurate and reliable data acquisition.
Technical and Design Features
The DS3800NADC is a robust, industrial-grade circuit board designed to operate in a demanding environment.
- Legacy Part: The “DS3800” prefix indicates that it belongs to the legacy Mark IV series, a pioneering control system for gas and steam turbines in the late 1980s.
- Modular Design: The card is designed for easy installation and replacement within the Mark IV control rack.
- Connectors: It features multiple connectors for interfacing with the backplane and other cards.
- Jumpers and Trimmers: It is equipped with jumpers and trimmer resistors that allow technicians to configure its operational settings to match the specific requirements of a given application.