Siemens Multi Panel MP270 SIMATIC HMI Equipment Manual page 135

Runtime software
A program with which your configuration can be run on the MP270 and the process
visualized. The runtime software ProTool/Pro RT can be run on the following
Windows–based systems: MP270, OP37/Pro, Standard PC.
Screen
A screen displays all the logically related process data on the operating unit,
whereby the individual values can be modified.
Selection field
Contains a list of entries from which one can be selected on the operating unit.
Softkey
Function key on the operating unit with a local function assignment. The function
triggered by a softkey varies according to the screen currently open
Start screen
The first screen, which automatically appears after the MP270 has started up.
Status/Force tag
Screen object with which individual address areas in the connected SIMATIC S5 or
SIMATIC S7 can be accessed for reading and writing directly from the operating
unit.
Superuser
A user with permissions to trigger functions of the highest password level. The
superuser has access to all the operating unit functions.
System message
Provides information on the operating unit concerning internal statuses of the
operating unit and PLC.
MP270 Equipment Manual
Release 01/99
Glossary
Glossary-7