Remove power from all equipment, Powerflex 755 drive – Rockwell Automation 20G PowerFlex 750-Series Power Option Cabinets User Manual
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Rockwell Automation Publication 750-IN030B-EN-P - October 2014
PowerFlex 750-Series Power Option Cabinets
Remove Power from All
Equipment
Remove power from all energized equipment before proceeding with these
instructions. Refer to the product’s installation instructions and review all safety
precautions before performing work on this equipment.
PowerFlex 755 Drive
1. Turn off and lock out all input power, including any and all external power
sources.
2. Wait 15 minutes and verify that there is no voltage at the drive’s input
power terminals.
3. Measure the DC bus voltage at the -DC and +DC TESTPOINT sockets
on the front of the power module.
Figure 1 - PowerFlex Drive -DC and +DC Testpoint Sockets
ATTENTION: To avoid an electric shock hazard, verify that the voltage on the
bus capacitors has discharged completely before servicing. Measure the DC bus
voltage at the -DC and +DC TESTPOINT sockets on the front of the power
module (see
for location).
Frame 8 AC Input Drive Shown