When cable glands cannot be
used, terminate screen to metal
panel by removing cable sheath.
MAINS POWER
CABLE
MOTOR
CABLE *
CONTROL
CABLE
SCREENED
CABLE
SCREENED
CABLE
* Note: Screen must be terminated
at the motor.
When attempting to meet specific EMC limits by using a filter,
the following points must be observed:
(1) All cables to and from the inverter (including control
cables) must be screened using suitable glands.
(2) The control cable must be kept separate from the motor
and mains cables.
EARTH STUD
FILTER UNIT
Note: There must be a good
conductive bond between filter and
metal panel.
Connect to Mains and
PE terminals on Inverter
EARTH STUD
(under)
Figure 1: Example of an RFI Suppression Filter Installation
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