Siemens Multi Panel MP270 SIMATIC HMI, Equipment Manual

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MP270 Operation
4-6
MP270 Equipment Manual
Release 01/99
4.2.1 Enter numeric values
Action
Numeric values are entered character by character using the input keys on the
system keyboard. If a value already exists in the field, this is deleted on entering
the first character. After beginning entering a value, it is impossible to exit from the
field without either confirming the entry or canceling.
Possible values
The following values are possible in numeric input fields:
Values Keys Description
Decimal
...
The input keys are numerically assigned.
...
,
Hexadecimal
...
...
To enter the characters A ...F use the Shift
key to switch to alphanumeric assignment.
Digits
,
The input keys are numerically assigned.
Limit value check
Limit values can be configured for numeric input fields. In this case, values
entered are only accepted when they lie within the limits configured. If a value is
entered which lies outside the limits, the corresponding system message appears.
After they are cancelled, the original values are automatically reset.