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The pressure p is the quotient of the normal force F that acts on a surface, and the area of this surface A ( DIN 24 312 ): The derived unit for pressure in the SI system is the pascal: 1 Pa = 1 N/m2.

Local increase in the pressure along the route in a steady-state flow (DIN 24 312).

Time-dependent pressure change from a higher value to a lower value (DIN 24 312). The pressure drop is generally referred to a device or a section (e.g. pipe).

Process for converting an analogue variable x into digital variables. During this process the variable x is quantised based on a base unit where the continuous progression is assigned to an equivalent

Numerical control that contains one or more memory programmable computers. The functionality of this numeric control is essentially defined by the programming of the computer (CNC system program = seq

, pipe fittings

A binary signal (two-point signal) is a single-parameter digital signal with only two value ranges for the signal parameter, e.g. O and L (DIN 19 226).

Document that defines in detail the sequence of measures, adjustments and monitoring actions that must be undertaken to ensure the correct usage and operation of a system, provided it is correctly ins

The relative number of failures referred to the related population. It comprises three phases (Figure A 26): Early failures : At the start of the operation of an installation (running-in period). Caus

Behaviour of a drive (or other) machine from the start of motion to reaching a steady-state motion. It is dependent on the type and principle of operation of the machine as well as the behaviour of it