SWAC controller Germany SWAC model SWAC price

The SWAC controller feeds back part or all of the control system output to the system input through specific methods and devices, compares the feedback information with the original input information, and applies the comparison result to the system for control to prevent deviation from the predetermined target. Closed-loop control systems utilize negative feedback. This is an automatic control system composed of a signal forward path and a feedback path forming a closed loop, also known as a feedback control system. Closed-loop control systems have the following characteristics in control: since the feedback quantity of the output signal is compared with the input quantity to generate a deviation signal,