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Operating Instructions – Electronic Motor DRC.-..-SNI
5
Installation planning considering EMC aspects
Electrical Installation
5.1.4 Equipotential bonding
Regardless of the protective earth connection, it is essential that low-impedance, HF-
capable equipotential bonding is provided (see also EN 60204-1 or DIN VDE 0100-
540):
• Establish a connection over a wide surface area between the DRC drive unit and the
mounting rail.
• To do so, use a ground strap (HF litz wire), for example, to connect the DRC drive
unit and the plant's grounding point.
Example
• Do not use the cable shield of data lines for equipotential bonding.
4867596683
[1] Conductive connection over a large area between drive unit and mounting plate
[2] PE conductor in the supply cable
[3] 2nd PE conductor via separate terminals
[4] EMC-compliant equipotential bonding, for example using a ground strap (HF litz wire)
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