Siemens SINAMICS S120 Function Manual page 509

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If the Active Line Module is used for reactive power compensation with external reactive current

setpoint, then the reactive current setpoint must also be wired for the slave. The master-to-

slave setpoint specifies only the active current.

When Active Line Modules have been deactivated, make sure that the maximum DC-link

capacitance C

procedure (danger of overloading the pre-charging resistors).

Parameter p3422 (C

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

(p3560). When parameter p3422 changes, parameter p3560 is recomputed automatically by

the firmware.

Structure diagram: 3 identical Active Line Modules of identical output rating, PROFIBUS communication system

Drive functions

Function Manual, 06/2019, 6SL3097-5AB00-0BP2

for the remaining Active Line Modules is not exceeded during the switch-on

capacitance) can be changed in operation. This means that the

p3513 = 1 ( Slave)

p3513 = 1 ( Slave)

9.9 Master/slave function for Active Infeed

Function modules