Fundamental Principles and System Description
Engineering Information
SINAMICS Engineering Manual – November 2015
Ó Siemens AG
147/528
1. Standard measures for the SINAMICS drives described in this engineering manual
1.1  Drive with one motor
o  Good equipotential bonding due to EMC-compliant installation
o  Insulated bearing at NDE of motor
1.2  Drive with two motors in tandem arrangement
o  Good equipotential bonding due to EMC-compliant installation
o  Insulated bearings at NDEs of motors
o  Insulating coupling between the two motors