Rockwell Automation Publication 20P-TG002B-EN-P - February 2018 11
Before You Begin Testing, Maintenance or Repairs Chapter 1
Hardware Description
The PowerFlex® DC drive contains a power structure that has an armature and
field supply. The armature supply consists of a three–phase, full wave rectified,
dual bridge, capable of two or four quadrant output. The field supply consists
of single phase, full wave rectified bridge. Also associated with the power
structure are incoming line protection devices and contactor and dynamic
brake control circuits.
Verify that you are working on a frame B drive by checking the data nameplate
located on the side of the drive. The frame size is printed just above the serial
number in the lower right corner of the label.
.0/0.5A 1 Phase
Frame: B
Serial Number: B23E0042
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