Siemens SINAMICS S120 Function Manual page 835

DC-link line-up with more than one Control Unit
In the following example, two Control Units control drives that are connected to the same DC
link. The source for the "Infeed operation" signal is a digital input in the example.
Figure 11-11 Example: interconnection with more than one Control Unit
Overview of important parameters (see SINAMICS S120/S150 List Manual)
• r0722
• r0863.0...2
• p0864
Drive functions
Function Manual, (FH1), 01/2013, 6SL3097-4AB00-0BP3
CO/BO: CU digital inputs, status
CO/BO: Drive coupling status word / control word
BI: Infeed operation
11.5 Control Units without infeed control
Applications
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