Technical data

Configuring time synchronization
5.8 Configuring time synchronization on an AS
Time synchronization (V7.1)
104 Function Manual, 03/2009, A5E01216578-01
8. Activate the "From station to LAN" option button in the "Time-of-Day Synchronization"
group.
9. Click "OK".
Result
The time message frames of the time master are forwarded to the automation systems on
the plant bus.
Rule
Note
Please note the following:
• The CPU with integrated Ethernet interface can only be synchronized via the NTP mode.
You can find additional information about this in the section "
How to set time
synchronization on an AS for NTP mode (Page
105)".
• For all other CPUs we recommend that you continue to use the SIMATIC mode.