Function modules
8.9 Master/slave function for Active Infeed
Drive functions
554 Function Manual, 11/2017, 6SL3097-4AB00-0BP5
Parameter p3422 (C
DC link
capacitance) can be changed in operation. This means that the
closed-loop control can be directly adjusted via this parameter when the master/slave
configuration changes, instead of changing the proportional gain of the V
DC link
controller
(p3560). When parameter p3422 changes, parameter p3560 is recomputed automatically by
the firmware.
Figure 8-24 Structogram of master/slave operation, three identical Active Line Modules (ALMs) of identical output rating,
PROFIBUS communication system
The function of the "Master/slave infeeds" function module is shown in function diagrams
8940 and 8948 (see SINAMICS S120/S150 List Manual).
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