Glossary
Glossary-10
SIMATIC Field PG Manual
A5E00075760-04
The mouse is a pointing device with which the user inputs coordinates (x,y). By
moving the mouse, the mouse pointer can be moved at will around the screen. By
pressing the left mouse button, the position is marked. The other mouse keys may
have different assignments according to the application. With the mouse, objects
can be selected, menus processed, and functions started.
The mouse pointer is moved across the worktop (screen) by means of the mouse.
The mouse pointer selects, for example, objects which are to be processed.
The multipoint interface (MPI) is the programming device interface for SIMATIC
S7. It offers simultaneous operation from one central station of several
programming devices, text displays, and operator panels. The stations on the MPI
can communicate with each other.
MS-DOS
The single Microsoft-Disk-Operating-System is one of the standard OS for PCs.
N
Link between programming devices and programmable controllers by means of
interface modules, physical cables, and the corresponding software to allow data
exchange between the devices.
O
Collective term for all functions which, in conjunction with the hardware, control
and monitor execution of the user programs, the distribution of resources among
the individual user programs, and the maintenance of the operating mode (for
example, Windows 98, MS-DOS).
Mouse
Mouse Pointer
MPI/DP
Network
Operating System
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