Siemens SINAMICS S150 NEMA Operating Instructions Manual page 392

Operation
6.10 Communication via SINAMICS Link
Bus cycle and number of nodes
You can operate the bus cycle of the SINAMICS Link with the current controller cycle, either
synchronized or non-synchronized.
● You set synchronized operation with p8812[0] = 1. A maximum of 64 nodes can then
communicate with one another via SINAMICS Link. To do so, set the maximum number
of nodes with p8811 (project selection):
● A maximum of 64 participants can communicate with one another via SINAMICS Link.
If you change one of the parameters p8811, p8812, p8835 or p8836, then you must carry out
a POWER ON to accept the settings.
6.10.2 Topology
Only a line topology with the following structure is permitted for SINAMICS Link.
Figure 6-44
390
Number of nodes/
project no.
64
16
12
8
Maximum topology
Number of PZD
16
16
24
32
Operating Instructions, 12/2018, A5E36652151A
Bus cycle (µs)
1000 or 2000
500
500
500
Enclosed Drives