Alphanumeric Values - Siemens SIMATIC HMI OP 77B Operating Instructions Manual

Release 03/2004
Display formats
Values can be entered in numeric input fields using the
following display formats:
• Decimal
• Hexadecimal
• Binary
The input can be aligned to the left or right, depending
on the configuration.
Limit value test
Limit values can be configured for tags. If the value
entered exceeds a configured limit value (e.g. 55 with a
limit value of 50), a system event is automatically
displayed in cases where an alarm window has been
configured. The value entered is not accepted and the
original value reappears.
Decimal places
If a numeric input field is configured with a specific
number of decimal places, additional decimal places
are ignored after confirmation or too few decimal places
are filed with "0".

5.4.2 Alphanumeric values

Alphanumeric values – digits and letters – are entered
character by character using the system keyboard. If a
field already contains a value, it is fully deleted from the
field after entering the first character of the new value
using the numeric keypad. The value can also be
modified character by character by pressing ENTER.
If characters are required which are not available on the
keypad, select them using the character set on the
extended keyboard. The extended character set is
available in "String" format fields.
Operating Instructions (Compact) OP 77B
6AV6691-1EA01-0AB0
2 S H U D W L Q J W K H 2 3   %
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