Operating instructions

Configuring the operating system
6.8 Changing HMI device settings
MP 377, MP 377 PRO (WinCC flexible)
Operating Instructions, 10/2008, 6AV6691-1DR01-0AB0
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5. Confirm your input by clicking on the "Apply" button.
The values you have set are now in effect.
Note
The system does not automatically switch between winter and summer time.
6. If you want to switch from winter to summer time, activate the
"Daylight savings time currently in effect" check box.
When you press the "Apply" button, the time is brought forward by one hour.
7. If you want to switch from summer to winter time, deactivate the
"Daylight savings time currently in effect" check box.
When you press the "Apply" button, the time is taken backward by one hour.
8. 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.
Further information on this subject is available in the "WinCC flexible" system manual.
NOTICE
Time-dependent reactions
You have to synchronize the date and time when time-controlled responses are triggered in
the PLC by the HMI device.
6.8.2 Changing regional settings
Introduction
In different countries, for example, the date, time and decimal points are displayed
differently. You can adjust this display to meet the requirements of different regions.
The country-specific settings apply to the current project. If the project language is changed,
the country-specific settings are also changed.