Wiring And Emc Considerations - ABB DriveIT ACH550-01 User Manual
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ACH550 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 four classes of wiring separated: input power
wiring, motor wiring and control/communications wiring.
•
Refer to the table in the section "Appendix and available
options" for the motor cable length limit imposed by possible
EMC requirements (CE and C-Tick)
•
Motor cables less or equal to 30 m (100 ft) do not require an
RFI filter.
•
Motor cables longer than 30 m (100 ft) must be limited as
specified in the table. Follow the instructions in the filter
package for all cable screen connections.
Note! Non-proper wiring is the source of the majority of EMC
problems. Please follow the instructions to avoid these
problems.
Preparing for installation
25
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