4 Kinetix 7000 High Power Servo Drives
Rockwell Automation Publication 2099-IN003C-EN-P - June 2015
Set the Ground Jumper in Select Power Configurations
Setting the ground jumper is necessary when connecting to an ungrounded, corner-grounded,
and impedance-grounded power configuration. Also, set the ground jumper when the Bulletin
8720MC regenerative power supply, or any active converter, supplies the DC-bus voltage.
Setting the ground jumper involves accessing the power chassis and removing jumper plugs or
disconnecting wires on the power terminals.
Set the ground jumper with power removed and the drive mounted on a bench or in a panel.
Use this table to determine where to set the ground jumper in DC common-bus configurations.
Ground Jumper to Set
If you have grounded power distribution, you do not need to set the ground jumper. Refer to
Install the Kinetix 7000 Drive on page 7.
ATTENTION: Kinetix 7000 drives contain protective metal-oxide varistors (MOVs) and
common-mode capacitors that are referenced to ground. In a grounded power distribution
system, these devices assist in isolating the drive from electromagnetic interference (EMI).
These devices must be disconnected if the drive is installed with an ungrounded,
corner-grounded, or impedance-grounded power configuration, or when an active converter
supplies the DC-bus voltage.
ATTENTION: To avoid personal injury, the ground jumper access area must be kept closed when
power is applied. If power was present and then removed, wait at least 5 minutes for the DC-bus
voltage to dissipate and verify that no DC-bus voltage exists before accessing the ground jumper.
Because the unit no longer maintains line-to-neutral voltage protection, risk of equipment
damage exists when you remove the ground jumper.
Leader Drive Follower Drive Set the jumper in this drive
Kinetix 7000 drive Kinetix 7000 Leader drive
Kinetix 7000 drive Non-Kinetix 7000 drive Leader drive
Non-Kinetix 7000 drive Kinetix 7000 drive
Follower drive (if no setting exists in the
leader drive)
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