4-2
OP27, OP37 Equipment Manual
Release 05/99
Figure 4-1 illustrates how the configured screen might appear on the OP.
¬
Text
Character graphics
®
Numeric output field
¯
Bar graph (tank load)
°
Symbolic input field for opening and closing the valve
±
Symbolic graphic indicates the status of the valve (open/closed)
²
Graphic
³
Icons for soft-key functions
Mixing Unit
Tank 1
Tank 2
Tank 3
Valve 4
Amount in
the mixer (l)
Valve
CLOSED
Valve
OPEN
Motor
OFF
Fill
tank
Selection
Main Screen
Motor
ON
4
4
5300
¬
®
¯
°
±
²
³
CLOSED
CLOSED
OPEN
Figure 4-1
Configured screen for a mixing unit (example)
Screens can be viewed, processed and printed via the OP. Before these actions
can be performed, however, the screen has to be selected. Select a screen by
means of a
Function key
Pressing a function key opens the screen assigned to it in the configuration.
Input field
Enter the number of the screen to be opened in the input field.
PLC job
This is a special application provided to the operator. The PLC calls a
screen on the OP depending on the state of the process or the system, thus
specifying the procedure for the operator to follow.
Selecting a screen
Screens
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