Pressure/flow rate diagram
On continuously adjustable pressure valves : dependency of the pressure on the flow rate with the input signal as a parameter (E DIN 24 311) (Figure D 81) .
Word length
Also known as the data length, this is the number of bits that can be jointly transferred and processed in a computer. It is used to classify microprocessors and microcomputers. There are currently: 4
Delay element
Elementary or parallel-connected transfer elements with additional time delays. They are marked Tk, where the index k states the order of the delay (according to Din 19 226 Part 2).
Underpressure
Previous term for pressures beneath the atmospheric pressure. According to DIN 1314, underpressure should no longer be used to name a variable, but only for the qualitative description of a state. As
Transfer function φ of a system
If certain requirements are fulfilled in a system with given input variables u and output variables v and all input variables are uniquely allocated to the output variables, this unique allocation is
System-compatible signal
Signal whose are defined for an equipment group (modular system) and which can be processed by all devices of that group without additional measures (DIN 19 237).
Digital input step
Change in the input variable that changes the output variable by the smallest digital step (1 D = 1 Digit).
Covering plate
Plate for covering valve stations on a group plate (stacked plate). They are used if an additional device is to be fitted later.