Detecting and eliminating emc interferences – Lenze 8400 protec Manual User Manual
Page 85

Electrical installation − HighLine/StateLine version
Installation according to EMC (installation of a CE−typical drive system)
Detecting and eliminating EMC interferences
l
85
EDS84DPS424 EN 5.0
6.4.5
Detecting and eliminating EMC interferences
Fault
Cause
Remedy
Interferences of analog
setpoints of your own or
other devices and
measuring systems
Unshielded motor cable
Use shielded motor cable
Shield contact is not extensive enough
Carry out optimal shielding as specified
Shield of the motor cable is interrupted
by terminal strips, switched, etc.
l
Separate components from other
component part with a minimum
distance of 100 mm
l
Use motor choke/motor filter
Install additional unshielded cables
inside the motor cable (e.g. for motor
temperature monitoring)
Install and shield additional cables
separately
Too long and unshielded cable ends of
the motor cable
Shorten unshielded cable ends to
maximally 40 mm
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