Rfi filter ground – Rockwell Automation 20D PowerFlex 700S Phase II Drive Frames 1...6 Installation Instructions User Manual
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Rockwell Automation Publication 20D-IN024C-EN-P - July 2013
PowerFlex 700S Adjustable Frequency AC Drive - Phase II Control
Unbalanced, Ungrounded or Resistive Grounded Distribution
Systems
If phase to ground voltage will exceed 125% of normal or the supply system is
ungrounded, refer to Wiring and Grounding Guidelines for Pulse Width
Modulated (PWM) AC Drives, publicat
information.
RFI Filter Ground
Using an optional RFI filter may result in relatively high ground leakage currents.
Therefore, the filter must only be used in installations with grounded AC supply
systems and be permanently installed and solidly grounded (bonded) to the
building power distribution ground. Be sure that the incoming supply neutral is
solidly connected (bonded) to the same building power distribution ground.
Grounding must not rely on flexible cables and should not include any form of
plug or socket that would permit inadvertent disconnection. Some local codes
may require redundant ground connections. The integrity of all connections
should be periodically checked. Refer to the instructions supplied with the filter.
ATTENTION: PowerFlex 700S drives contain protective MOVs and common
mode capacitors that are referenced to ground. These devices must be
configured according to the recommendations in
on page
.