Siemens SINAMICS G120 Operating Instructions Manual page 340

Advanced commissioning
6.28 Kinetic buffering (Vdc min control)
Parameter
p1240
p1245
r1246
p1247
p1255
p1257
340
Description
V controller configuration (factory setting: 1)
DC
0 Inhibit V controller
DC
1 Enable V controller
DC max
2 Enable V controller (kinetic buffering)
DC min
3 Enable V controller and V
DC min
V controller activation level (kinetic buffering) (factory setting depends on the Power
DC min
Module, 73 % or 76 %)
V controller activation level[V]
DC min
r1246 = p1245 × √2 × p0210
V controller dynamic factor (factory setting: 300 %)
DC min
V controller time threshold (factory setting: 0 s)
DC min
Maximum duration of the kinetic buffering If kinetic buffering lasts longer than that speci‐
fied in the parameter value, the inverter outputs fault F7406.
A value of 0 deactivates the monitoring.
V controller speed threshold (factory setting: 50 rpm)
DC min
When fallen below, the inverter outputs fault F7405.
controller
DC max
Converter with the CU240B-2 and CU240E-2 Control Units
Operating Instructions, 01/2017, FW V4.7 SP6, A5E34259001B AD