Siemens SINAUT MD740-1 User Manual page 60

Configuration
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Displays the current system time in Universal Time Coordinates
(UTC). If NTP time synchronization is not yet enabled (see
below) and Time stamps in file system are disabled, the clock
begins with 1 January 2000.
Current system time (local)
If the possibly deviating current local time is to be displayed you
must make the corresponding entry under Time zone in
POSIX.1 Notation... (see below).
NTP State
Displays the current NTP state
Enable NTP time synchronization: Yes / No
As soon as the NTP is enabled the SINAUT MD740-1 sources
the time from the Internet and displays it as the current system
time. Synchronization may take a few seconds.
Only if this switch is set to Yes and at least 1 time server is
given under NTP servers to synchronize to (see below) is the
current system time provided.
NTP servers to synchronize to
NTP Server
Here you can enter one or more NTP servers from which the
SINAUT MD740-1 is to source the current time. If you enter
several time servers, the SINAUT MD740-1 automatically
connects to all of them to ascertain the current time.
The SINAUT MD740-1 also provides the connected computers
with the NTP time.
!
Enter the IP addresses (instead of the hostnames) of the
required time servers.
Min. Poll / Max. Poll
Time synchronization takes place cyclically. Here you enter the
interval at which the poll is to take place (poll interval).
The NTP client selects the poll interval dynamically between the
two values. Make sure that the minimum value entered is
smaller than the maximum value.
Time zone in POSIX.1 notation...
If you do not want the current Greenwich Mean Time to be
displayed under Current system time, but the current local time
(= deviating from Greenwich Mean Time), then you must enter
here by how many hours your local time is ahead or behind.
Examples:
In Hamburg the time is 1 hour ahead of Greenwich Mean
Time. So you enter: CET-1
If you want CET (= valid for Germany) to be displayed with
SINAUT MD740-1