Siemens SINAMICS G120 Operating Instructions Manual page 50

Installing
4.2 Connecting inverters in compliance with EMC
● Use EMC shielded busbars for power cables.
Use the shield connection elements in the inverter for signal and data cables.
● Do not interrupt any cable shields by using intermediate terminals.
● Use the appropriate EMC terminals for cable shields.
The EMC terminals connect the cable shield with the EMC shielded busbar or with the
shield connection element through a large conductive surface.
Further information
You can find additional information about the EMC installation guidelines on the Internet:
EMC installation guideline (http://support.automation.siemens.com/WW/view/en/60612658).
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Converter with CU230P-2 Control Units
Operating Instructions, 04/2015, FW V4.7 SP3, A5E34257946B AB