Lenze EMB934 Serie Betriebsanleitung Seite 107

Installation according to EMC (installation of a CE−typical drive system)
Shield connection system
Use an appropriate clip to connect the shield to the conductive mounting plate of
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the control cabinet.
The connection should be as close to the cable end as possible.
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If possible, cover the shield end with a shrink tube.
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Fig. 5−2
Carefully connect shields, ground connections (GND), and earth potential connections (PE)
to avoid interferences:
Do not interrupt shielding.
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If an interruption cannot be avoided:
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– Connect the shields at interruptions (terminal strips, relays, fuses) with a large
surface and both ends to the mounting plate.
The cables must be laid as close as possible to the reference potential (dangling
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cables are like antennas).
Earthing
Ensure a good equipotential bonding of all system parts (934x regenerative power supply
module, controller, mains filter etc.) by cables to a central earthing point (PE bar). The
minimum cross−sections of the cables must be strictly observed.
Filtering
Only use the filters assigned to the regenerative power supply module :
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– Mains filters reduce non−permissible high−frequency interferences to permissible
values.
EDBMB9340 DE/EN/FR 12.0
Remove
lacquer
Large−surface contact
of the cable shield
Shield connection
l
Electrical installation
Fuses and cable cross−sections
Shrink tube
Braid
5
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