Configuring the HMI device
5.1 Configuring devices with graphical Control Panel
Basic Panels
Operating Instructions, 04/2012, A5E02421799-03
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5.1.5 Time server configuration
The HMI device has an unbuffered realtime clock. The realtime clock is set either using the
configuration or using a time server.
To fetch the time-of-day of the HMI device from a time server, specify up to four different
time servers. The time-of-day is synchronized via the "Network Time Protocol" (NTP). Also
specify the update cycle of the time-of-day and, if necessary, a time shift. Update cycle and
time shift are valid for all configured time servers.
You can test the availability of each time server separately.
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1. Press "Profinet" to open the
"Profinet Settings" dialog.
2. Open the "NTP" tab.
3. At "Update Rate", enter the time
duration in seconds according to which
the time-of-day will be synchronized.
Value range: 10 to 86400 (1 day)
4. If required, use the "-" and "+" buttons to
set the time shift in "±hh:mm".
Value range: -24:00 to +24:00
5. Press "Configure" to open the
configuration of the time server.
6. Enter the IP address of the time server
at "IP Address".
7. Use the "Test" button to test the
availability of the time server.
The connection is established. If the
connection was successfully
established, date and time are
displayed. Any value set at "Time shift"
will not be taken into consideration.
8. Close the dialog and save your entries
with "OK".
9. Close the dialog and save your entries
with "OK".
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