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Plunger piston

Signals on a transfer element that control the on this transfer element (DIN 19 226). Transferred to continuously adjustable valves the input signal is the physical variable, e.g. current or voltage,

General : Specification or process that follows a specific scheme and that solves a problem. This can be a mathematical formula, a flow diagram or a program. In control technology : Algorithm is used

Control loop, which in addition to the control variable , a further auxiliary variable (e.g. velocity or acceleration) in a subordinate minor loop is fed back.

As a hydraulic accumulator — regardless of the size of the current pressure required = load pressure p L –– is always charged up to the upper operating pressure p 2, during the removal, larger power l

Is undertaken using sensors that determine the acceleration of an element of a machine. This measurement is made using either seismic (inductive) sensors (Figure B 12) or using force sensors based on

Displacement machine in which the geometric displacement per cycle can be changed. For design-based reasons, this is only possible for vane and piston constructions. Variable pumps can be adjusted fro

Control whose program is stored in a program memory. The functional elements necessary to process the program and their connections are regarded as factors that cannot be altered. PLCs may be equipped

Designates the difference between the actual value of a control variable and the actual value of a reference variable. When using a regulator controller with a fixed set point, the control deviation d

Difference between the measured value and a limit value. Each measured value — and therefore each measurement result — is influenced by any imperfections associated with measuring instruments and meas