3-12
Equipment
Manual OP7, OP17
Release 04/99
3.2.4 Entering T
imer V
alues
You
enter timer values character
-by-character (digit-by-digit) via the input
keys of the system keyboard. If the field already contains a value, this entire
value is deleted from the field as soon as you enter the first new character
.
Once you have begun entering a value, you can no longer quit this field until
you have confirmed or canceled your input.
The following values can be entered in input fields used to display timers:
Possible values
Keys Description
Decimal value
0
...
9
.
The input keys of the system key
-
pad belong to the numerical key
assignment.
Inputs in fields used to display timers usually begin at the right edge, i.e.
they are right-aligned. Digits entered are moved to the left (pocket calculator
format).
Limits
can be configured for input fields used to display timers. A limit
check is performed in these fields. The values entered are only applied if they
are within the limits configured. If a value is entered that is not within these
limits, a system message is displayed. After you have canceled this message,
the old input value is re-entered in the field.
If a field used to display a timer has been configured with a specific number
of
digits to the right of the decimal point
, excess digits to the right of the
decimal point are ignored and digit spaces that have not been used are zero-
filled after you confirm your input.
Entering
via
system keys
Possible values
Right-aligned
input
Limit check
Digits to the right
of the decimal
point (with S7-200)
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