Electrical installation
4.3 EMC-compliant installation
SINAMICS V20 Inverter
Operating Instructions, 07/2012, A5E03728167
27
4.3 EMC-compliant installation
EMC-compliant installation of the inverter
The screening plate kit is supplied as an option for each frame size (For more information
about this option, see Appendix "
Screening plate kit (Page 260)".). It allows easy and
efficient connection of the necessary screening to achieve EMC-compliant installation of the
inverter. If no screening plate kit is used, you can alternatively mount the device and
additional components on a metal mounting plate with excellent electrical conductivity and a
large contact area. This mounting plate must be connected to the cabinet panel and the PE
or EMC bus bar.
The following diagram shows an example of EMC-compliant installation of the inverter frame
size B/C.
(0&FODPSVIRU
FDEOHVFUHHQ
0RWRU
6FUHHQLQJSODWH
,2WHUPLQDOV
3(89:
931
Screening method
The following illustration shows an example with and without the screening plate.
6WULSFDEOH
VFUHHQ
3UHVVFDEOHVFUHHQRQ
WKHVFUHHQLQJSODWHRU
WKHPHWDOPRXQWLQJ
SODWH
6FUHHQLQJSODWH
0RXQWLQJSODWH
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