Description: the output variable (position) of the actuator used in open-loop and closed-loop control technology, with the help of which a targeted intervention in the open-loop or closed-loop system takes place; Name: correcting variable
Description: output variable of the controlling system, which is also an input variable of the controlled system; Name: manipulated variable
Description: Determined total head at the inlet area of the installation, which corresponds to the sum of geodetic head, pressure head and velocity head; Name: Total head at inlet area of the installation