GE IS200VSVOH1B MKVI, VME Servo Card
⁦GE IS200VSVOH1B MKVI, VME Servo Card⁩ - الصورة ⁦2⁩

GE IS200VSVOH1B MKVI, VME Servo Card

The VSVOH1B is a crucial component for achieving tight and accurate control over turbine operation. Its main functions include:

  • Servomotor Control: The card generates the necessary output signals to drive a servomotor, which in turn controls the position of a valve or actuator. This is essential for functions like controlling fuel valves, where very precise adjustments are required to maintain the turbine’s speed and load.
  • Closed-Loop Control: The VSVOH1B operates as part of a closed-loop control system. It receives a command signal from the main Mark VI controller and uses a feedback signal from a position sensor on the actuator to ensure that the actuator moves to the commanded position. The card performs the necessary Proportional-Integral-Derivative (PID) control calculations to achieve this.
  • High-Resolution Output: The card features a high-resolution Digital-to-Analog Converter (DAC) to produce an analog output signal for the servomotor driver. This ensures a high degree of precision in the actuator’s position.
  • VMEbus Interface: The card plugs directly into the VME backplane of a Mark VI rack. This allows for high-speed communication with the main controller and other I/O cards in the system, which is necessary for the rapid response times required for turbine control.
  • TMR Support: The IS200VSVOH1B supports Triple Modular Redundancy (TMR) systems. In a TMR setup, three separate VSVO cards are installed, each receiving the same command. The system then uses a voting process to ensure accuracy and reliability, which is critical for safety and performance.
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الوصف

The GE IS200VSVOH1B is a VME Servo Card for the Mark VI series of GE’s Speedtronic Gas Turbine Control Systems. This specialized board, also known as a VSVO card, is designed to provide high-speed, precise control of servomotor-driven actuators, which are critical for controlling fuel flow and other vital functions in a gas turbine. The ‘B’ suffix indicates an updated or later revision of the board, which may include minor improvements or component changes compared to earlier ‘A’ or ‘C’ versions.

 

Key Features and Functionality

 

The VSVOH1B is a crucial component for achieving tight and accurate control over turbine operation. Its main functions include:

  • Servomotor Control: The card generates the necessary output signals to drive a servomotor, which in turn controls the position of a valve or actuator. This is essential for functions like controlling fuel valves, where very precise adjustments are required to maintain the turbine’s speed and load.
  • Closed-Loop Control: The VSVOH1B operates as part of a closed-loop control system. It receives a command signal from the main Mark VI controller and uses a feedback signal from a position sensor on the actuator to ensure that the actuator moves to the commanded position. The card performs the necessary Proportional-Integral-Derivative (PID) control calculations to achieve this.
  • High-Resolution Output: The card features a high-resolution Digital-to-Analog Converter (DAC) to produce an analog output signal for the servomotor driver. This ensures a high degree of precision in the actuator’s position.
  • VMEbus Interface: The card plugs directly into the VME backplane of a Mark VI rack. This allows for high-speed communication with the main controller and other I/O cards in the system, which is necessary for the rapid response times required for turbine control.
  • TMR Support: The IS200VSVOH1B supports Triple Modular Redundancy (TMR) systems. In a TMR setup, three separate VSVO cards are installed, each receiving the same command. The system then uses a voting process to ensure accuracy and reliability, which is critical for safety and performance.

 

Technical Specifications

 

Feature Specification
Manufacturer General Electric (GE)
Series Mark VI
Product Type VME Servo Card
Inputs Command signals from controller, feedback signals from position sensor
Outputs Analog signals to servomotor driver
Interface VMEbus
Use Case Precise control of servomotor-driven actuators
Supported Configurations Simplex, TMR

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