Position-dependent control signals
Electrical signals which are issued depending on the path travelled. Switches with a contacting or –– increasingly –– non-contacting method of engaging through to hall generators. However, optical swi
Pre-load pressure
1. Pressure intentionally generated by a resistance in a system (e.g. in the outlet line of a system). 2. Pressure to which the oil in a tank is subjected if the suction of the pump requires this. To
Valve seals
Valve tappets which are guided outwards must be sealed off. This is generally done using nut rings or O-rings.
Planetary motor
Hydraulic motor from the group known as annular gear motors which operate in accordance with the planetary principle. The distinguishing feature of planetary motors is how lots of displacement chamber
Filter dirt load
Dirt holding capacity based on test dust
Real time computer
Computer that processes the incoming information immediately. Every computer in a must be a real time computer, otherwise it cannot intervene in the feedback control.
Error-tolerant computer
Computer with excess capacity, i.e. with redundant component configuration in which a replacement component becomes active as soon a part fails. Originally only used in large computers, today so-calle
Overall control unit
Functional unit responsible for controlling the overall process and superordinate to the hierarchical control circuits (DIN 19 237). The core element of this kind of overall control unit (control syst