Rockwell Automation SP600 AC Drive User Manual Version 1.0 User Manual

Page 70

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5-4

SP600 AC Drive User Manual

Safety Ground - PE

This is the safety ground for the drive that is required by code. This
point must be connected to adjacent building steel (girder, joist), a
floor ground rod or bus bar (see figures 5.2 and 5.3). Grounding
points must comply with national and local industrial safety
regulations and/or electrical codes.

Shield Termination - SHLD

The SHLD terminal located on the cable entry plate provides a
grounding point for the motor cable shield. Refer to figure 5.1 for
location.

The motor cable shield should be connected to this terminal (drive
end) and the motor frame (motor end). A shield-terminating cable
gland may so be used.

When shielded cable is used for control and signal wiring, the
shield should be grounded at the source end only, not at the drive
end.

RFI Filter Grounding

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. Ensure 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.

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