Rockwell Automation 7000 PowerFlex Medium Voltage Air-Cooled (B Frame) Installation - ForGe Control - Manual (Page 64)

64 Rockwell Automation Publication 7000-IN007E-EN-P - June 2014
Chapter 3 Drive Installation
Ground Bus
The drive ground bus runs along the top of the drive at the front. The ground bus
is accessible at the top of each of the drive enclosures when you open the
enclosure door (and the low voltage compartment hinged out in the case of the
incomer cabinet). Ensure you ground the drive properly, typically at the point on
the ground bus in the incomer cabinet, close to the incoming power terminations.
Interlocking Access to the medium voltage areas of the drive is restricted by the use of key
interlocking for safety.
At installation, configure the key interlocking to enable access to the medium
voltage compartments only when the upstream power is locked in the OFF
position.
Additionally, the key interlocking prohibits applying the upstream power until
you close and lock shut the medium voltage drive’s access doors.
The key interlocking must be properly installed to the upstream equipment.