GE DS4815VSSA DIGITAL DRIVE

الوصف

The GE DS4815VSSA is a Digital Drive Card for the Mark V Speedtronic turbine control system. Its primary function is to convert digital control commands from the main processors into a high-precision digital output signal to control a physical drive or actuator, such as a fuel valve or a hydraulic servomotor.

Technical Breakdown 🧠

This card is a core component for a turbine’s high-precision control loops.

• Digital-to-Analog Conversion: The DS4815VSSA takes a digital signal from the control system’s main processor. It then translates this digital command into a precise digital output, which is used to command a high-speed actuator. This digital control method offers superior accuracy and noise immunity compared to traditional analog control signals.
• High-Speed Actuation: This module is used in applications that require very fast and accurate responses, such as fuel valve positioning for speed and load control. The digital signal ensures that the actuator responds with minimal lag and maximum precision.
• System Integration: The card plugs into the main backplane of the Mark V system. It receives commands and data from the main processors and, in a Triple Modular Redundancy (TMR) system, from redundant processors, ensuring fault-tolerant operation.

Applications 🏭

The DS4815VSSA is a fundamental component in Mark V control panels for:

• Fuel Control: Precisely controlling the position of fuel valves to manage turbine speed and power output.
• Servo Control: Driving hydraulic or electric servos to position critical components.
• High-Precision Control Loops: Providing a robust and accurate control signal for applications where high-speed response is critical.