Configuration and operation
4.14 Time-of-day synchronization
CP 1243-7 LTE
64 Operating Instructions, 01/2015, C79000-G8976-C381-01
Filtering of the system events
Communications problems if the value for system events is set too high
If the value for filtering the system events is set too high, you may not be able to achieve the
maximum performance for the communication. The high number of output error messages
can delay or prevent the processing of the communications connections.
In "Security > Log settings > Configure system events", set the "Level:" parameter to the
value "3 (Error)" to ensure the reliable establishment of the communications connections.
Time-of-day synchronization
Procedure for time-of-day synchronization
With applications that require time-of-day synchronization (e.g. telecontrol), you need to
synchronize the time of day of the CP regularly. If you do not synchronize the time of day of
the CP regularly, there may be deviations of several seconds per day in the time information
of the CP.
The CP supports the two methods of time-of-day synchronization:
●
The time of the CP is synchronized by a telecontrol server.
Only with communication type "Telecontrol" activated.
●
Only with communication type "Telecontrol" deactivated.
The method NTP (secure) can only be selected if the security functions are enabled.
Recommendation for setting the time: Synchronization with a external clock at intervals of
approximately 10 seconds is recommended. This achieves as small a deviation as
possible between the internal time and the absolute time.
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