Rockwell Automation 1204 Reflected Wave Reduction Device User Manual
Page 8

Publication 1204-IN001A-EN-P — February 2002
P/N 195686
Copyright ® 2002 Rockwell Automation. All rights reserved. Printed in USA.
8
1204 Reflected Wave Reduction Device with Common Mode Choke
Grounding
5. Follow the recommended grounding practices provided in your drive
User Manual. The following diagram shows an example of system
grounding practices.
Drive Programming
6. The recommended drive carrier frequency for optimal RWC
performance is 2 kHz. The maximum carrier frequency allowed is
6 kHz. If the drive default is higher than this maximum, the drive must
be reprogrammed. Refer also to the Maximum Cable Length tables on
page 4 for further information.
7. Carefully check that motor rotation is in the desired direction.
!
ATTENTION: National Codes and standards (NEC, VDE, BSI,
etc.) and local codes outline provisions for safely installing
electrical equipment. Installation must comply with
specifications regarding wire types, conductor sizes, branch
circuit protection and disconnect devices. Failure to do so may
result in personal injury and/or equipment damage.
R (L1)
S (L2)
Ground Rod/Grid
or Building Structure Steel
T (L3)
PE/GRD
Conduit/4-Wire Cable
Drive
U (T1)
Ground per
Local Codes
Motor Frame
RWC
V (T2)
W (T3)
PE/GRD