Appendix B Accessories_VFD-B Series
B-8 Revision 10/2005, BE13, SW V4.08
We assure that it can comply with following rules when AC motor drive and EMI filter are installed and wired
according to user manual:
z EN61000-6-4
z EN61800-3: 1996 + A11: 2000
z EN55011 (1991) Class A Group 1 (1
st
Environment, restricted distribution)
General precaution
1. EMI filter and AC motor drive should be installed on the same metal plate.
2. Please install AC motor drive on footprint EMI filter or install EMI filter as close as possible to the AC motor
drive.
3. Please wire as short as possible.
4. Metal plate should be grounded.
5. The cover of EMI filter and AC motor drive or grounding should be fixed on the metal plate and the contact
area should be as large as possible.
Choose suitable motor cable and precautions
Improper installation and choice of motor cable will affect the performance of EMI filter. Be sure to observe the
following precautions when selecting motor cable.
1. Use the cable with shielding (double shielding is the best).
2. The shielding on both ends of the motor cable should be grounded with the minimum length and maximum
contact area.
3. Remove any paint on metal saddle for good ground contact with the plate and shielding.
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