Siemens SINAMICS S120 Function Manual page 814

Communication
10.4 Communication via SINAMICS Link
12. At the two nodes carry-out a "Copy RAM to ROM" to backup the parameterization and the
13. For both nodes, perform a POWER ON in order to activate the SINAMICS Link
Figure 10-64 SINAMICS Link: Configuration example
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data.
connections.
Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
Drive functions