5
Electrical installation
Installation planning taking EMC aspects into account
Operating Instructions – MOVIMOT
®
advanced
37
Example
32170568459
[1] The mechanical installation of a drive unit with hollow shaft does not create a
conductive connection of drive unit and mounting plate. In this case, a low-im-
pedance, Hf-capable equipotential bonding [4] is required. The mechanical in-
stallation of a drive unit without hollow shaft creates a conductive connection of
drive unit and mounting plate. In this case, the entire contact surface must be
conductive (e.g. unpainted).
[2] PE conductor in the supply system cable
[3] 2) PE conductor via separate terminals
[4] EMC-compliant equipotential bonding, for example using a ground strap (HF litz
wire)
The contact surfaces must be conductive (free of paint).
• Do not use the cable shields of data lines for equipotential bonding.
INFORMATION
For detailed information on equipotential bonding for decentralized inverters and
drive units, refer to the publication "Equipotential Bonding of Decentralized Inverters"
by SEW‑EURODRIVE.
25891936/EN – 05/2020
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