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Operating the device
4.1 Operating touch devices
Entering numerical values
Checking numerical value limits
Tags can be assigned limit values. Any entry of a value outside this limit is rejected. If an
alarm view is configured, a system event is triggered and the original value is displayed
again.
Decimal places of numerical values
The configuration engineer can define the number of decimal places for a numerical text box.
The number of decimal places is checked when you enter a value in this type of I/O field.
● Decimal places that exceed the limit are ignored.
● Unused decimal places are padded with "0" entries.
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1. Touch the desired operating element on the
screen.
The numerical screen keyboard opens.
2. Enter the value. Depending on the settings,
the HMI device outputs an audible signal.
You can change the view of the screen
keyboard for entering numbers with
hexadecimal notation using the <N-Z> and
<A-M> keys.
3. Press <Return> key to confirm your entries, or
cancel them with <ESC>.
Either action closes the screen keyboard.
Operating Instructions, 04/2012, A5E02421799-03
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