General Operation - Siemens simatic hmi op27 Equipment Manual

General Operation

Operating concept
It is possible to observe the operating status of the machine or system being
monitored using the OP screen and directly intervene in the process running
via the OP keyboard.
Screen partitioning A screen occupies the entire display. An example of screen partitioning is illus-
trated in Figure 3-1.
Figure 3-1
Fixed window
The fixed window can be used to display important process magnitudes or date
and time, since the contents are not affected by the screen currently open.
Main area The main area comprises the entire display. It is superimposed by all other
areas (fixed window, message window etc.). The main area contains the current
contents of the screen that is currently open.
Icons
Icons are used as symbols of specific screen functions. Icons are located above
or next to soft key function keys in order to describe the functionality of the
key. The configured function is triggered after pressing the function key.
OP27, OP37 Equipment Manual
Release 05/99
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System messages
Help window
Screen partitioning on the OP (example OP37)
Event and alarm messages
ESC
3
Fixed window
Message indicators
Main area
Icons for soft-key
functions
3-1