Siemens SIMATIC PCS 7 Configuration Manual page 59

7. Activate the "Time of day" option in the "Options" tab of the CP16x3 properties dialog so
that the CP16x3 is generally capable of forwarding the time frames from and to the OS.
8. Execute the "Save and compile" command (CTRL+S).
Compendium Part A - Configuration Guidelines (V8.2)
Configuration Manual, 08/2016, A5E38166869-AA
Creating and managing a PCS 7 project
5.5 Adding Additional Stations
59