4
Installation
EMC-compliant installation
Operating Instructions – MOVIDRIVE
®
modular
121
4.11.7 Motor and brake connection
Only use shielded motor cables. Connect the braided shield of the motor cable at both
ends over its entire circumference to the power shield plate at the inverter.
Shielded cables must be selected for the brake supply. The shield of the brake cable
can be connected to the power shield plate at the inverter.
In case motor cable and brake cable are combined in a shared cable, the cable must
have an inner shield separating the brake cable from the motor conductors. In addi-
tion, the cables have an overall shield.
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SEW‑EURODRIVE recommends to use prefabricated cables.
In case of especially high requirements, an additional connection point for the shield is
recommended. To limit the emitted interference the motor shield can additionally be
grounded to the control cabinet outlet using commercial installation materials (ground-
ing clamps or EMC screw fittings).
4.11.8 Control cable connection
The digital inputs can be connected using an unshielded single conductor. Shielded
cables increase the EMC. Use the designated shield plates to connect the shield.
For routing outside of the control cabinet shielded cables must be used.
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4.11.9 Encoder connection
SEW‑EURODRIVE recommends to use prefabricated encoder cables.
The shield of prefabricated cables by SEW‑EURODRIVE is connected via the con-
nector.
24748536/EN – 11/2017
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