Siemens SINAMICS S120 Function Manual page 510

Communication PROFIBUS DP/PROFINET IO
10.2 Communication via PROFIBUS DP
9. When the slave-to-slave communication links have been created, the standard telegram
10. The details after the creation of the slave-to-slave communication link for the drive object
11. You are required to adjust the standard telegrams accordingly for every DO (e.g. drive
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for the drive object is replaced with the "User-defined" telegram in the configuration
overview.
Figure 10-36 Telegram assignment for slave-to-slave communication
of the CU320 are as follows:
Figure 10-37 Details after the creation of the slave-to-slave communication link
object) of the selected CU that shall actively participate in slave-to-slave communication.
Function Manual, (FH1), 10/2008, 6SL3097-2AB00-0BP5
Drive functions