Operating a project
8.2 Operating a project on TP 177micro
OP 73micro, TP 177micro (WinCC flexible)
Operating Instructions, 09/2007, 6AV6691-1DF01-0AB0
119
Procedure
You can enter numerical and hexadecimal values character by character using the numerical
screen keyboard
Proceed as follows:
1. Touch the relevant IO field on the screen.
The numerical screen keyboard opens and displays the current value.
2. Set the value.
You can only operate keys which are visualized in 3D format. The type of value to be
entered determines whether a key is enabled or disabled.
The following options for entering values are available:
– The current value is deleted when you enter the first character. Enter the value again.
– Use the
and keys to move the cursor within the current value. You can
now edit the characters of the current value or add characters.
Use the
key to delete the character to the left of the cursor.
– Use the
key to change the sign of the value.
– Select
to view the infotext of the IO field.
This button is only enabled if infotext has been configured for the IO fields.
3. Select
to confirm your entries or cancel them with . Both actions close the
screen keyboard.
Note
Numerical IO fields can be assigned limit values. In this case, values are only accepted if
they lie within configured limits. If you enter a value that is outside the configured limits,
the system rejects this value and restores the original. The HMI device outputs a system
alarm to indicate this situation.
When the screen keyboard appears, the high and low limit values are indicated if
configured.
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