Sampling frequency
Number of samples taken per unit time. The parameter is stated in Hz.
System order
Systems are divided according to the order (priority) of the linear differential equations that they represent in systems of the 1st, 2nd, ... nth order. In doing so, the coefficients of higher-order
Control computer
Computer which controls the workflow of a machine or device. Its main task is: Controlling NC machines and accompanying hand-held devices, Monitoring safety measures, Supervising the production proces
Plunger circuit for fast advance
Circuit that routes the outlet flow on the piston rod side of a differential cylinder to the inlet on the piston side to increase the flow velocity ( rapid traverse circuit ) ( Figure T 4 ). As a cons
Active sensor
Sensor that, under load, outputs a voltage that it generates internally (e.g. thermocouple). It requires a DC amplifier to amplify the signal. Opposite: passive sensor
Impressed pressure
The change in pressure in a hydraulic system without throttling or storage corresponds to the related change in load pressure (taking into account the pressure losses ). On accumulator supplies , howe
Amplitude ratio
Ratio of the amplitude at the output of a transfer element to the amplitude of the input signal , e.g. in a servo valve the ratio between the spool position and the electrical control signal.
Density function of a liquid
The density of a fluid changes with temperature and pressure. It reduces with temperature and increases with pressure (Figure D 12) . The density-pressure function is determined by, among other things
Function chart
according to DIN 40 719 Problem-oriented depiction of the functions of the signal circuit in a control , independent of the type or equipment used, the line routing, the installation location and the