Siemens SIMATIC S7-1500 System Manual page 214

Configuring
9.11 Configuring the clock system
SINAMICS Integrated clock system
Proceed as follows to set the clock system of the SINAMICS Integrated:
1. Switch to the network view.
2. Click on PROFIdrive Integrated in the network view.
3. Make the settings for the SINAMICS Integrated under "Constant bus cycle time".
The SINAMICS Integrated is always isochronous (option is always selected).
Figure 9-41 SINAMICS Integrated (PROFIdrive Integrated) clock system
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SIMATIC Drive Controller
System Manual, 11/2023, A5E46600094-AD