Control Units Without Infeed Control - Siemens SINAMICS S120 Function Manual

12.3

Control Units without infeed control

To ensure that the drive line-up functions satisfactorily, you must ensure, among other things,
that the drives only draw power from the DC link when the infeed is in operation. In a DC link
line-up that is controlled by precisely one Control Unit and which includes a drive object
X_INF
commissioning.
X_INF stands for all drive objects "Infeed"; i.e.: A_INF, B_INF, S_INF
1)
In the following cases, the BICO input p0864 must be supplied manually:
● Smart Line Modules without DRIVE-CLiQ (5 kW and 10 kW)
● DC link line-up with more than one Control Unit
Examples: interconnecting "Infeed ready"
Smart Line Modules without DRIVE-CLiQ (5 kW and 10 kW)
Figure 12-3
DC link line-up with several Control Units
In the following example, two Control Units control the drives connected to the same DC link.
The source for the "Infeed operation" signal is a digital input in the example.
Figure 12-4
Drive functions
Function Manual, 06/2019, 6SL3097-5AB00-0BP2
, the BICO interconnection p0864 = p0863.0 is established automatically during
1)
Example: interconnecting a Smart Line Module without DRIVE-CLiQ
Example: interconnection with more than one Control Unit
12.3 Control Units without infeed control
Applications
697