Configuring the operating system
6.6 Changing HMI device settings
Mobile Panel 277F IWLAN
148
Operating Instructions, 12/2007, A5E01003940-01
①
Time zone selection box
②
Text box for the time
③
Date selection box
④
"Daylight savings" check box
⑤
Button for applying changes
Procedure
Proceed as follows:
1.
Select the appropriate time zone for the HMI device from the "Time Zone" selection box.
2.
Touch the "Apply" button to confirm your entry.
The time of day shown in the "Current Time" box is adjusted correspondingly to the
selected time zone.
3.
Set the date in the selection box.
4.
Set the current time of day in the "Current Time" text box.
5.
Touch the "Apply" button to confirm your input.
The values you have set are now in effect.
Note
The system does not automatically switch between winter and summer time.
1.
If you want to switch from winter to summer time, select the
"Daylight savings time currently in effect" check box.
When you press the "Apply" button, the time is brought forward by one hour.
2.
If you want to switch from summer to winter time, clear the
"Daylight savings time currently in effect" check box.
When you press the "Apply" button, the time is moved backwards by one hour.
3.
Confirm your entries.
The dialog closes.
Result
The settings for the data and time of day have now been changed.
Internal clock
The HMI device has an internal buffered clock.
Synchronizing the date and time with the PLC
The date and time of the HMI device can be synchronized with the PLC if this has been
configured in the project and the PLC program.
Additional information on this subject is available in the "WinCC flexible" system manual.
