Offset Of The Voltage Limit Characteristic - Siemens SINAMICS S120 Configuration Manual

4.2

Offset of the voltage limit characteristic

The characteristics in chapter "P/n and M/n characteristics" refer to the Active Line Module,
U
supply
In order to identify the motor limits with an output voltage other than 425 V, the plotted
voltage limiting characteristic must be shifted accordingly for the new output voltage.
NOTICE
The offset in the voltage limiting characteristic is only valid for linear characteristics.
Calculating the new voltage limiting characteristic
Example: Calculating the new voltage limiting characteristic for operation on an SLM, U
output voltage U = 380 V
mot
1PH4 Induction Motors
Configuration Manual, (APH4S), 08/2008, 6SN1197-0AD64-0BP1
= 400 V. The output voltage U
Technical data and characteristics
4.2 Offset of the voltage limit characteristic
is 425 V.
mot
= 400 V,
supply
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