Glossary-3
Operator Panel OP3
Edition 11/99
S
Form of presenting logically associated process data which can be displayed
collectively on the OP3 and modified individually.
Element of a screen; consists of an entry number, texts and variables.
Editing level of the OP3 at which screens can be monitored and manipulated
Field for for setting values of parameters (one of several defined values can
be chosen).
Keys that can be assigned with variable functions (depending on displayed
screen entry)
Check on the status of the central processing unit and memories each time
the supply voltage is applied.
Draws attention to internal conditions on the OP3 and the PLC.
Screen
Screen entry
Screen level
Selection field
Soft keys
Startup test
System message
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