ABB ACH550-01 User Manual page 44

The figure below shows the grounding principles of cables.
SUPPLY CABLE
At the motor end, the motor cable screen must be earthed 360
degrees with an EMC cable gland, or the screen wires must be
twisted together into a bundle not longer than five times its width
and connected to the PE terminal of the motor. The same
principle applies to cabinet installations.
32
As short unshielded
wires as possible
e b l s i o s p a s
Short pigtail
Unpainted gland plate
Conductive shielding
and compression seal
ACH550 User's Manual
MOTOR CABLE
s r e w i
Cable shielding
covered with
conductive tape
EMC cable gland
Clamping nut
Continuity of
Faraday cage
Preparing for installation
t h w i d r e v e c o
e p t a e t i v u c d n c o
Cable