Connecting
4.3 Motor cable lengths and cross-sections
Power Module PM230 IP55
Hardware Installation Manual, 2010-07-02, A5E02923635A AB
39
4.3 Motor cable lengths and cross-sections
Permissible Cable Length
The use of unshielded motor cables is possible. However to meet C1/C2 EMI classes,
shielded cables with appropriate EMC installation are required.
The EMI classes relevant to the PM230 are explained below:
First Environment
An environment that includes domestic premises and establishments that are connected
directly to a public low-voltage power supply network without the use of an intermediate
transformer.
Note
For example: houses, apartments, commercial premises or offices in a residential building.
Category C1
Power Drive System (PDS) of rated voltage less than 1000 V intended for use in the First
(Domestic) Environment.
Category C2
Power Drive System (PDS) of rated voltage less than 1000 V, which is neither a plug in
device nor a movable device, and when used in the First (Domestic) Environment, is only
intended to be installed and commissioned by a professional.
Note
A professional is a person or an organization having necessary skills in installing and/or
commissioning a Power Drive System (PDS), including their EMC aspects.
The following cable specifications should be adopted to reach the standards indicated in the
table below.
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