Glossary-1
TP27, TP37 Equipment Manual
Release 01/00
Glossary
A
Calls attention to high-priority operating states and has therefore to be ac-
knowledged.
Time between the arrival and departure of an alarm message.
Required for data exchange between the TP and the PLC. It contains informa-
tion concerning the length and size of data areas on the PLC.
The point in time at which a message is issued by the PLC or TP.
PLCs of the SIMATIC S7 series – for example, SIMATIC S7-200/300/400)
B
Automatic turn-off of display back lighting.
A load operation which transfers the operating system to working memory on
the TP.
Touch-sensitive area on the screen of a Touch Panel with configured function-
ality. Buttons replace, among other things, system keys and function keys on
the TP37.
Alarm message
Alarm time
Area pointer
Arrival of a
message
Automation
systems
Blanking
Boot
Button
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