Siemens SINAMICS DCM Operating Instructions Manual page 410

Descriptions of functions
10.19 Speed-dependent current limitation
Setting speed-dependent current limitation for motors with a bend in the commutation characteristic
The current limitation curve is determined using n1, I10, n2, and I20.
Parameter:
p50104
p50105
p50106
p50107
p50108
p50109
Figure 10-51 Example of a motor rating plate
410
= n1
= I1 (unit calculates I10 from this)
= n2
= I2 (unit calculates I20 from this)
= n3 (defines the speed scaling)
= 0 ... speed-dependent current limitation switched off
= 1 ... speed-dependent current limitation switched on
= Motor rating plate data
= Permissible limit values
= Application point for speed-dependent current
limitation
= Maximum operating speed
I10 = 1.4 × I1
I20 = 1.2 × I2
Operating Instructions, 06.2010, C98130-A7067-A1-02-7619
SINAMICS DCM Control Module