Installing The Converter In Compliance With Emc Rules - Siemens SINAMICS G120C Operating Instructions Manual

Installing
4.2 EMC-compliant installation
4.2.2

Installing the converter in compliance with EMC rules

Overview
Rules for cable installation to ensure EMC
● Install the inverter on a metal mounting plate. The mounting plate must be unpainted and
highly electrically conductive.
● Use shielded cables for the following connections:
– Motor and motor temperature sensor
– Braking resistor (not available for all inverters)
– Fieldbus
– Inputs and outputs of the terminal strip
● Connect the cable shields to ensure EMC:
Figure 4-3
38
Examples of correct EMC-compliant shield connection
EMC-compliant wiring shown using the
example of a frame size A inverter
①
Unshielded line supply cable
②
EMC clamps (serrated rails) on the
shield plate of the Power Module
③ Shielded cable to the braking resistor
(not available for all inverters)
④
EMC clamp for the cable to the termi-
nal strip on the shield plate of the CU
⑤ Shielded cable to the terminal strip
⑥
Shielded motor cable
Operating Instructions, 07/2015, FW V4.7 SP3, A5E34263257B AC
SINAMICS G120C converter