Industrial data processing is a branch of applied computer science that covers the area of design and programming of computerized systems which are not computers as such — often referred to as embedded systems (PLCs, automated systems, intelligent instruments, etc.). The products concerned contain at least one microprocessor or microcontroller, as well as couplers (for I/O).
Another current definition of industrial data processing is that it concerns those computer programs whose variables in some way represent physical quantities; for example the temperature and pressure of a tank, the position of a robot arm, etc.
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