Siemens SCALANCE XB-200 Configuration Manual page 138

Configuring with Web Based Management
5.4 The "System" menu
● Last Synchronization Mechanism
Shows how the last time synchronization was performed. The following methods are
possible:
– Not set
– Manual
– SNTP
– NTP
– SIMATIC
● Time Zone
In this box, enter the time zone you are using in the format "+/- HH:MM". The time zone
relates to UTC standard world time.
The time in the "Current System Time" box is adapted accordingly.
● Daylight Saving Time (DST)
Shows whether the daylight saving time changeover is active.
– active (offset +1 h)
– inactive (offset +0 h)
● NTP Server Address
Enter the IPv4 address of the NTP server.
● NTP Server Port
Enter the port of the NTP server.
The following ports are possible:
– 123 (standard port)
– 1025 to 36564
● Poll Interval[s]
Here, enter the interval between two time queries. In this box, you enter the query interval
in seconds. Possible values are 64 to 1024 seconds.
138
The time was not set.
Manual time setting
Automatic time-of-day synchronization with SNTP
Automatic time-of-day synchronization with NTP
Automatic time-of-day synchronization using the SIMATIC time frame
The system time was changed to daylight saving time; in other words an hour was
added. You can see the current system time at the top right in the selection area of the
WBM.
The normal time including the time zone continues to be displayed in the "Current
System Time" box.
The current system time is not changed.
SCALANCE XB-200/XC-200/XP-200 Web Based Management
Configuration Manual, 07/2016, C79000-G8976-C360-04