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Installing
3.2 EMC-compliant installation of a machine or system
Cable routing inside the cabinet
● Route the power cables with a high level of interference so that there is a minimum
clearance of 25 cm to cables with a low level of interference.
If the minimum clearance of 25 cm is not possible, insert separating metal sheets
between the cables with a high level of interference and cables with a low level of
interference. Connect these separating metal sheets to the mounting plate to establish a
good electrical connection.
● Cables with a high level of interference and cables with a low level of interference may
only cross over at right angles:
● Keep all of the cables as short as possible.
● Route all of the cables close to the mounting plates or cabinet frames.
● Route signal and data cables - as well as the associated equipotential bonding cables -
parallel and close to one another.
● Twist incoming and outgoing unshielded individual conductors.
Alternatively, you can route incoming and outgoing conductors in parallel, but close to
one another.
● Ground any unused conductors of signal and data cables at both ends.
● Signal and data cables must only enter the cabinet from one side, e.g. from below.
● Use shielded cables for the following connections:
– Cable between the converter and line filter
– Cable between the converter and output reactor or sine-wave filter
Figure 3-3
22
Routing converter cables inside and outside a control cabinet
Hardware Installation Manual, 06/2020, A5E37800827C AD
Power Module PM240P-2
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