Installing
3.2 EMC-compliant installation of a machine or system
Power Module PM240-2
24 Hardware Installation Manual, 01/2020, A5E33294624B AL
Measures required for several control cabinets
● Install equipotential bonding for all control cabinets.
● Screw the frames of the control cabinets together at several locations through a large
surface area using serrated washers to establish a good electrical connection.
● In plants and systems where the control cabinets are lined up next to one another, and
which are installed in two groups back to back, connect the PE bars of the two cabinet
groups at as many locations as possible.
Figure 3-2 Grounding and high-frequency equipotential bonding measures in the control cabinet
and in the plant/system
Further information
Additional information about EMC-compliant installation is available in the Internet:
EMC installation guideline
(http://support.automation.siemens.com/WW/view/en/60612658)
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