Value discrete
The signal parameter can only assume defined discrete values (or overlapping value ranges) (DIN 19 225).
Coding
Process in information is converted into a code to make it machine-readable so it can be processed.
Electro-hydraulic linear amplifier
toothed rack that can be integrated or fitted externally. High response proportional valve (a four edge valve) and spool form in this manner a highly accurate following system that can be operated digitally [...] position. With such electro-hydraulic linear amplifiers position accuracies between 0.002 and 0.01 mm can be achieved.
Surface foam
container may form a surface foam which can have a disruptive effect within the hydraulic system. Since surface foam causes cavitation in pumps, it must not be drawn in. This can be ensured by means of various [...] line. More foam tends to form if the surface tension, oil contamination and the like are high. This can be counteracted by using an anti-foaming agent, although these do tend to restrict the air release
Natural damping
Damping that a system provides due to its nature (that can only be increased by means of specific measures).
Disturbance range
Range within which the disturbance variable can lie, without jeopardising the functionality of the control or (DIN 19 226).
Single edge control
resistances. With the single edge control one resistance can change, the second resistance is however constant (Figure E 7) . Single edge controls can be in the bypass or in the main flow. Application examples:
Continuous operating conditions
Are characterised by numerical values of the individual variables with which the system can be operated without interruption (CETOP RP 100).
Usable volume
The proportion of hydraulic fluid within the total volume of a hydraulic accumulator that can be removed without causing any damage.
Hard-wired controls (VPS)
themselves. Although all signals can be processed in parallel as a result of this, changes and expansions to the program require more effort than when using a PLC. VPS can either have a fixed program, i [...] cannot be changed (e.g. through fixed wire or circuit board connections) or reprogrammable , i.e. they can be changed (e.g. through plug-in wired connections, diode matrices, punched cards, cross bar distributors