ABB ACS850-04 Hardware Manual page 42

42
• 360° high frequency grounding of the cable shields at the cable lead-throughs
improves the EMC shielding of the cabinet.
• 360° high frequency grounding of the motor cable shields at their entries is
recommended. The grounding can be implemented by a knitted wire mesh
screening as shown below.
Cable ties
Lead-through plate
Cabinet bottom plate
• 360° high frequency grounding of the control cable shields is recommended at
their entries. The shields can be grounded by means of conductive shielding
cushions pressed against the cable shield from both directions:
Planning the cabinet installation
Bare cable shield
Cable grommet
Bare cable shield
Knitted wire mesh
Cable
Shielding cushion
(conductive)
Cabinet bottom plate
Cable