Siemens SIMATIC NET SCALANCE SC-600 Configuration Manual page 191

• Daylight Saving Time
Shows whether the daylight saving time changeover is active.
– active (offset +1 h)
– inactive (offset +0 h)
• NTP Server Index
Select the index of the NTP server. The NTP servers are queried in the order of the
NTP Server Index. The time of the server that is found first is applied. If time frames
of an NTP server with a smaller stratum value are received, this time is applied. The
switchover to the time with the smaller stratum takes about 30 minutes
In the table, configure the NTP server
• Select
Select the row you want to delete.
• NTP Server Index
Number corresponding to a specific NTP server entry.
• NTP Server Address
Enter the IP address, the FQDN (Fully Qualified Domain Name) or the host name 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
Specify the interval between two-time queries. The greater the interval, the less
accurate the time of the device.
Possible values are 64 to 2592000 seconds (30 days).
The following columns are only relevant for a secure NTP client. If the check box "Secure
NTP Client only" is not selected, these boxes are grayed out:
• Key ID
Enter the ID of the authentication key.
• Hash Algorithm
Specify the format for the authentication key.
SCALANCE SC-600 Web Based Management (WBM)
Configuration Manual, 10/2021, C79000-G8976-C475-03
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 set time continues to be displayed in the "System Time" box.
The current system time is not changed.
Configuring with Web Based Management
4.4 "System" menu
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