Hakuteksti "*".

Follow up control in which the reference variable is specified according to a time schedule (also called the schedule controller) (DIN 19 226 Part 5).

Processing of digital signals (instead of analogue signals). Digital signal processing has experienced rapid growth due to the development of the microprocessor as a signal processing module. Digital

Valve that is in parallel with a hydraulic unit and that permits the pressure fluid to bypass this unit under certain circumstances. Example: Pre-loaded check valve that is in the secondary flow for a

Servo valves

Also called the delay time. It is the time, which the output signal of a 1st order delay element requires to reach 63% of the end value. After 3 · T 95 % and at 5 · T almost 100 % of the end value (Fi

Devices and functions involved in with the task of performing the spatial coordination and synchronisation of the individual sub-functions in a process. The sequence of all sub-functions is to be stor

Filtering of the oil sucked up by the hydraulic pump . Theoretically ideal, as then the pump is also used optimally. In reality, however, as the dirt absorbing capacity drops, there is a risk of cavit

Time from the "on" switching command to the "off" switching command. Of a solenoid : ratio of the switch-on time to the duration of a working cycle in %. The ratio of load to relief time is termed the

Sealing performance of elastic seals that results from the preload during the installation of the seal. It corresponds to the sealing action of the related seal shape at very low pressure. The initial

Collective term for fluid and gaseous media. Here fluids is above all a common term for hydraulic fluids and compressed air.