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Note
To ensure trouble-free operation without interference or disturbances, route the power cables
and signal lines separately. Interference, for example, will result in the device not behaving as
expected.
When connecting and routing power and signal cables, observe the instructions provided in
chapter "Electromagnetic compatibility (Page 83)".
6.2
Electromagnetic compatibility
The following fundamental information and guidelines facilitate compliance with the EMC
directives.
Note
We recommend that EMC is planned for the entire plant.
Cabinet installation
● Connect painted or anodized metal components using contact washers or remove the
● Use unpainted, de-oiled mounting plates.
● Establish a central connection between ground and the protective conductor system (PE
Cable installation
● Cables that are subject to or sensitive to interference should be laid as far apart from each
● The distance between the power cable and the signal cable should be at least 20 cm.
● When the cables are routed close to ground potential, the immunity to interference is
● Ground the reserve cores on at least one end.
SINAMICS SM150 6SL3845-2NN41-8AD2
Operating Instructions Rev.201910281310 EXAMPLE
insulating layer.
protective conductor).
other as possible.
Device-specific data apply for power cables. You can find further information on power
cables under "Connecting power cables".
increased. For this reason, you are advised to lay these cables along edges and at ground
potential.
Electrical connection
6.2 Electromagnetic compatibility
83
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