Siemens SIMATIC NET SCALANCE S615 Configuration Manual page 165

● SNTP Mode
Select the synchronization mode from the drop-down list. The following types are possible:
– Poll
– Listen
● Poll Interval[s]
Enter the interval between two time queries. In this box, you enter the polling interval in
seconds. Possible values are 16 to 16284 seconds.
● SNTP Server Address
Enter the IP address, the FQDN (Fully Qualified Domain Name) or the host name of the
SNTP server.
The table has the following columns:
● Select
Select the row you want to delete.
● SMTP Server Address
Shows the IP address, the FQDN (Fully Qualified Domain Name) or the host name of the
SMTP server.
● SNTP Server Port
Enter the port of the SNTP server.
The following ports are possible:
– 123 (standard port)
– 1025 to 36564
● Primary
The check mark is set for the SNTP server that you create first. If several SNTP servers have
been created, the primary server is queried first.
Procedure
1. Click the "SNTP Client" check box to enable the automatic time setting.
2. In "Time Zone", enter the local time difference to world time (UTC).
The input format is "+/-HH:MM" because the NTP server always sends UTC time, for
example +02:00 for CEST, the Central European Summer Time. This time is recalculated
and displayed as the local time based on the specified time zone.
SCALANCE S615 Web Based Management
Configuration Manual, 11/2019, C79000-G8976-C388-08
If you select this mode, the text boxes "SNTP Server Address", "SNTP Server Port" and
"Poll Interval[s]" are displayed to allow further configuration. With this type of
synchronization, the device is active and sends a time query to the SNTP server.
In this mode, IPv4 and IPv6 addresses are supported.
With this type of synchronization, the device is passive and receives SNTP frames that
deliver the time of day. The settings in the text boxes "SNTP Server Address" and "SNTP
Server Port" have no effect in this mode.
In this mode, only IPv4 addresses are supported.
Note
SNTP Client in Listen mode and NTP Server cannot be enabled at the same time.
Configuring with Web Based Management
4.5 "System" menu
165