Siemens SINAMICS S120 Function Manual page 909

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. In STARTER, using the "Project > Connect to target system" function activate the
ONLINE mode.
2. Upload using the "Target system> Load > Project to PG" function.
3. In STARTER, using the "Project > Disconnect connection to target device" function exit
the ONLINE mode.
4. Offline, in the expert list of the control unit, make the setting p3100 = 1.
5. Reactivate the ONLINE mode.
6. Carry out a parameter download ("Target system > Load > Load project to target
system") followed by copy from RAM to ROM.
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)
Drive functions
Function Manual, 11/2017, 6SL3097-4AB00-0BP5
11.8 Time synchronization between the control and converter
Communication
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