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Obsolete term for inlet pressure . According to DIN 24 312

Time span that starts when the value for the controlled variable after a step in the disturbance variable or reference variable exceeds a pre-defined portion of the control error and ends when it retu

Control used to interface a numerical control to the machine tool. It e.g. Converts and amplifies the signals that are exchanged between the numerical control and the machine tool, provides Logical op

Controller on a digital basis (e.g. microprocessor) that samples the control error, calculates the correcting variable and sends it to the control element.

Controller with digital signal processing during which the continuous change in the controlled variable is sampled in steps. For the processing it is necessary to change to discrete time operation. If

Processes the discrete time signals from a sampler. It comprises a controlled subsystem with , a microprocessor, a sampler (mostly A/D converters) and a holding element (Figure A 9). The sampler sampl

Number of samples taken per unit time. The parameter is stated in Hz.

Element that measures the instantaneous values of a continuous input variable u(t) at specific times and saves and holds the value measured until the next sampling. The output function v(t) then has t

Error that arises if continuously changing variables are measured by digital means because the measured values can only be measured at specific times due to the finite time required for the A/D conver

Discontinuously operating elements that measure the input signal at defined times (period pattern) and transmit the values as a sequence of individual signals. A holding element after the sampler reta