50 Guidelines for planning the cabinet installation
• We recommend 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.
• We recommend 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:
Planning the cooling
Note the following guidelines when you plan the cooling of the cabinet:
• Ventilate the installation site sufficiently so that the cooling air flow and ambient
temperature requirements of the drive module are met, see pages 192 and 196. The
internal cooling fan of the drive module rotates at a constant speed thus blowing
constant air flow through the module. Whether the same amount of air must be
replaced all the time in the facility depends on how much heat must be removed.
• Leave enough free space around the components to ensure sufficient cooling.
Observe the minimum clearances given for each component. For the required free
space around the drive module, see page 55.
• Also ventilate the heat dissipated by cables and other additional equipment.
1 Cable
2 Cable tie
3 Strain relief
4 Bare cable shield
5 Knitted wire mesh
6 Cable entry plate
3
1
6
4
5
2
1 Tightening screw
2 EMI conductive cushion
3 Strain relief
4 Grommet
5 Cable entry plate
3
4
5
1
1
2
2
2
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