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Hysteresis for pressure valves resulting from springs, the mechanical friction associated with the piston and flow forces. It ensures the closing pressure for a pressure valve is always lower than the

Programmable Read Only Memory Semiconductor memory .

General : A complete instruction for solving a task, together will all the necessary agreements. For controls : All the various instructions and agreements for signal processing which will influence a

Elements used to accommodate programs . There is a wide range of options available. These include printed circuit boards with fixed programs, sequencers or program switching mechanisms with reprogramm

Also a software system, consisting of a structured quantity of program parts and used to process a set of tasks or its component parts. The structure of the individual program parts will depend on bre

Control whereby the reference variable is provided by a program memory (programmer). Its task is to pick out a point in the respective program and issue corresponding function commands. In order for a

Sequence of instructions within a program which are executed repeatedly. The number of executions is determined by either a loop counter or a termination condition.

Describes the methodical and systematic approach to generating programs . A distinction can be made between direct and indirect programming methods ( Figure P 17 ): In addition to manual programming,

Collection of command elements created with a view to compiling programs. Programming languages give a computer both the data to be processed and instructions as to how it should be processed. They fo

Covers the activities associated with devising, coding and testing a computer program (EDIN 19 226, Part 5). In a narrower sense therefore, the word describes the creation of a detailed algorithm in a