Siemens SICHARGE CC AC22-MID Operating Instructions Manual page 53

Connection and commissioning
5.5 Commissioning
Station/Date/Time
Set the time zone and synchronization in the "Station/Date/Time" tab.
If you check the "Timezone" box, the time zone of your browser is automatically applied.
Clear the check box to select the time zone in the drop-down menu.
In the area of "Synchronize date and time via", set the check mark for "NTP" for time
updates via the network.
The check mark at "OCPP (HeartBeat)" updates the time using the so-called keep-alive bit
during the connection to the OCPP.
The check mark at "Browser (only once)" means that the browser time is only set once
during commissioning, and will not be adjusted/updated.
Figure 5-10 Station Date and Time
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SICHARGE Operating Instructions MID
Operating Instructions, 07/2020, A5E48573001-AB