Screen overview
297
1SVC 440 795 M1100
Screen 7:
Screen 7 shows a simple example for the display change by
means of an internal limit value comparison. The screen
contains two numerical values that represent the output
values (QV output) of the timing relay T08. The variable type
is of type DWord. The timing relay is run in a loop from 0 to
10 seconds.
A value range of 0 to 11000 is defined in the Number range/
format tab. “s” (seconds) is entered as the unit of measure.
The scaling range is defined from 0 to 11 with two decimal
places. The display change is active and is triggered via the
internal limit value comparison, causing the numerical value
on the left to flash and the numerical value on the right to be
displayed inverted.
Table 17: Numerical value – Analog value output with display
change by internal limit value comparison
Figure: 164: Display change via internal limit value comparison
Left
numerical
value:
The numerical value flashes in the range from 0 to 3 and from 7 to 10.
On the Display change tab (internal limit value comparison), the upper limit value is
7 (the display is changed from numerical value 7 to 10) and the lower limit value is 3
(the display is changed from numerical value 0 to 3).
The display is not changed in the value range from 3 to 7.
Right
numerical
value:
The numerical value is displayed inverted in the range from 0 to 3 and from 7 to 10.
On the Display change tab (internal limit value comparison), the upper limit value is
7 (the display is changed from numerical value 7 to 10) and the lower limit value is 3
(the display is changed from numerical value 0 to 3).
The display is not changed in the value range from 3 to 7.
No display change Display change
Display change
(without 3-7s)
Internal trigger
6.57s 6.57s
Display change
(without 3-7s)
Internal trigger
0.95s 0.95s
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