ABB ACS880-14, Hardware Manual

Page: 51 / 248

• ABB recommends 360° high-frequency grounding of the motor cable shields at their
entries. The grounding can be implemented by a knitted wire mesh screening as shown
below.
3
1
6
4
5
2
Cable 1
Cable tie 2
Strain relief 3
Bare cable shield 4
Knitted wire mesh 5
Cabinet entry plate 6
• ABB recommends 360° high-frequency grounding of the control cable shields at their
entries. The shields can be grounded by means of conductive shielding cushions pressed
against the cable shield from both directions as shown below.
3
4
5
1
1
2
2
2
Tightening screw 1
EMI conductive cushion 2
Strain relief 3
Grommet 4
Entry plate 5
Attaching the cabinet
WARNING!
Do not attach the cabinet by electric welding. ABB does not assume any liability
for damages caused by electric welding as the welding circuit can damage
electronic circuits in the cabinet.
Generic cabinet planning instructions 51