Siemens SIMATIC S5 TD 390 Manuel page 87

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Displaying and Modifying Process, Timer, Counter Values and Clock Times
Operating
You can modify timer and counter values as follows:
steps: setting
timer/counter
value
1.
Select the operating mode for displaying
modifable values.
2.
Display timer or counter value
T
If a flag bit is set, the previous operations
are not necessary. The values are displayed
immediately.
3.
Select the timer/counter value for modifica-
tion by positioning the cursor on the value
and pressing
4.
Modify timer/counter value
5.
Confirm your input. The value is stored in the
DB. The "Display Messages" operating mode
is automatically set.
TD 390
C79000–K8576–C292–01
Activity and result
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Key
together
or
7-3

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