General information
2.6 Time synchronization between the control and converter
Communication
Function Manual, 12/2018, 6SL3097-5BD00-0BP0
29
2.6.2 Set NTP time synchronization
Setting time synchronization with NTP
1. Using p3100, changeover the time format from operating hours into the UTC format (see
"Changing the time format").
2. Set the synchronization technique NTP (p3103 = 4).
3. Set the IP address of the NTP server used (p3105[0...3]).
– Special case: To use a PROFINET controller as NTP server, set p3105[0...3] = 0.
4. Set the local time zone (p3106).
Result:
After successful NTP time synchronization, the NTP time is converted to the already existing
UTC time.
If a previously defined tolerance window is exceeded, then alarm A01099 is output. The
tolerance window for time synchronization is defined using p3109. If alarm A01099 occurs,
then generally the synchronization interval is too long.
The converter outputs alarm A01097 if it does not reach the set NTP server within 10
minutes.
Changing the time format
The time format is entered via parameter p3100. This parameter cannot be changed online
To change the value, proceed as follows:
1. Connect Startdrive ONLINE with the converter.
2. Carry out an upload using the "Load from device" function.
3. In Startdrive, exit the ONLINE mode.
4. Offline, make the setting p3100 = 1.
5. Reactivate the ONLINE mode.
6. Carry out a parameter download ("Load to device").
7. Save the settings in a non-volatile fashion on the memory card of the drive.
You have now changed over the converter time format to UTC format.
Application example
You can find the following application example in the SIEMENS "Industry Online Support":
Example: Converter as NTP client
(https://support.industry.siemens.com/cs/ww/en/view/82203451)
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