Siemens SIMATIC PCS 7 Function Manual page 77

5. Select Edit > Object Properties.
6. Switch to the "Options" tab.
7. Activate the "Time of day" check box.
8. Click "OK".
Rules
Note
Comply with the following instructions for the time synchronization settings on the OS:
● We recommend parameterizing all OS servers as cooperative time masters.
● During configuration, select the "Use symbolic names" check box. This will display the
● To synchronize the time via the plant bus, configure a device via "Access point 1". In the
Time synchronization (V8.0)
Function Manual, 03/2012, A5E02779849-02
network cards that are installed on the OS. However, symbolic names are converted on
the OS in process mode.
following cases configure a second device via "Access point 2".
– If you want to use a redundant device.
– If you want to synchronize two plant busses via one "bridge".
– If you want to synchronize two plant buses as time masters at the same time.
Configuring time synchronization
5.5 Configuring the time synchronization of the OS
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