Siemens SINAMICS DCM Operating Instructions Manual page 264

Commissioning
8.4 Commissioning with the STARTER commissioning tool
3. The PPI bus address for a drive unit with a CUD is fixed at 3, for an expansion CUD in
4. When creating the drive unit, also set the corresponding bus address.
262
Figure 8-31 Setting up the interface
the right slot it is fixed at 5.
Figure 8-32 Setting the bus address
Operating Instructions, 1.2012, C98130-A7066-A1-05-7619
SINAMICS DCM DC Converter