NI LabWindows/CVI PID Control Toolkit

The National Instruments LabWindows/CVI PID Control Toolkit adds sophisticated control algorithms to NI LabWindows/CVI. With this package, you can quickly build data acquisition and control systems for your own control application. By combining this toolkit with the math and logic functions in LabWindows/CVI, you can quickly develop process control applications. Integrate these control tools with NI data acquisition hardware to create reliable control systems.

The proportional integral derivative (PID) algorithm is one of the most common control algorithms used in industry. In PID control, you must specify a process variable and a setpoint. The process variable is the system parameter you want to control, such as temperature, pressure, or flow rate, and the setpoint is the desired value for the parameter you are controlling. A PID controller determines a controller output value, such as the heater power or valve position. The controller applies the controller output value to the system, which in turn drives the process variable toward the setpoint value. You can use the NI LabWindows/CVI PID Control Toolkit functions with NI hardware to develop LabWindows/CVI control applications. Use I/O hardware, such as a data acquisition device or a GPIB board, to connect your PC to the system you want to control.

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