8 Rockwell Automation Publication 20A-IN009E-EN-P - January 2015
PowerFlex 70 Adjustable Frequency AC Drive
EMC Instructions
The following section provides instructions for Electromagnetic Compatibility
(EMC) compliance.
CE Conformity
(1)
Conformity with the Low Voltage (LV) and EMC directive has been
demonstrated by using harmonized European Norm (EN) standards that are
published in the Official Journal of the European Communities. PowerFlex
Drives comply with the EN standards listed below when installed according to
the user manuals and reference manuals.
CE declarations of conformity are available online at:
http://www.rockwellautomation.com/rockwellautomation/certification/
overview.page
Low Voltage Directive (2006/95/EC)
• EN50178, electronic equipment for use in power installations.
EMC Directive (89/336/EEC)
• EN61800-3, adjustable speed electrical power drive systems Part 3: EMC
product standard including specific test methods.
General Notes
• Some drives are equipped with an adhesive label on the top of the drive. If
the adhesive label is removed, the drive must be installed in an enclosure
with side openings less than 12.5 mm (0.5 in.) and top openings less than
1.0 mm (0.04 in.) to maintain compliance with the LV directive.
• Use a motor cable that is as short as possible to avoid electromagnetic
emission and capacitive currents.
• Do not use line filters in ungrounded systems.
• PowerFlex drives can cause radio interference if used in a residential or
domestic environment. Follow national and local industrial safety
regulations and/or electrical codes, in addition to the essential
requirements for CE compliance (see page 9
), to prevent radio
interference.
• Conformity of the drive with CE EMC requirements does not mean that
an entire machine or installation complies with CE EMC requirements.
Many factors can influence total machine/installation compliance.
• PowerFlex drives can generate conducted low-frequency disturbances
(harmonic emissions) on the AC supply system. More information
regarding harmonic emissions can be found in the PowerFlex 70 EC and
70 VC Reference Manual, publication PFLEX-RM004.
(1) CE certification testing has not been completed for 600V class drives.
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