ABB RCNA-01 Manuale Utente Pagina 30

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26 Preparing for installation
ACH550-01 User's Manual
Wiring and EMC considerations
Determine electro-magnetic compliance (EMC) requirements
per local codes. In general:
Follow local codes for cable size.
Keep these three classes of wiring separated: input power
wiring, motor wiring and control/communications wiring.
Check the operational limits for the allowed maximum motor
cable length in section Motor connection on page 404.
If the installation must meet the European EMC Directive
requirements (see section Compliance with the IEC/
EN 61800-3 (2004) on page 438), check also the EMC limits
for the allowed maximum motor cable length in section Motor
connection on page 404.
Note: Non-proper wiring is the source of the majority of EMC
problems. Please follow the instructions to avoid these
problems.
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