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 410.
• If the installation must meet the European EMC Directive
requirements (see section Compliance with the IEC/EN
61800-3:2004 +A1:2012 on page 445), check also the EMC
limits for the allowed maximum motor cable length in section
Motor connection on page 410.
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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