Siemens OZW672 Series Commissioning Instructions page 23

Time of day/date
Note
Siemens
Building Technologies
Path: Home > 0.5 OZW672... > Settings > Time of day/date
Changeover to daylight saving time and back is automatic. The dates are set inter-
nationally and can be changed if the international standard is changed.
Data point
Summer time start
Default val.: 25. March
Setting val.: 01.01...31.12.
Winter time start
Default val.: 25. October
Setting val.: 01.01...31.12.
Disable the function by setting both start of daylight saving and standard time to the
same date.
Web server
Commissioning
Explanation, example
Date for changeover to daylight saving time: On
the first Sunday from this point, one hour is
added to current time (standard time), i.e. time is
adjusted forward one hour.
Date for changeover to standard time: On the
first Sunday from this point, one hour is de-
ducted from current time (daylight saving time),
i.e. time is adjusted backward one hour.
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CE1C5712en
06.06.2011