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Rockwell Automation Publication 750-UM003D-EN-P - March 2017 27

Installation and Wiring Chapter 2

Installation Requirements

Installation must meet the radio frequency (RF) emission compliance and

installation requirements that are outlined in the installation instructions:

• PowerFlex 750-Series AC Drives Installation Instructions,

publication 750-IN001

• PowerFlex 750-Series Products with TotalFORCE Control Installation

Instructions, publication 750-IN100

• PowerFlex 755TM IP00 Open Type Kits Installation Instructions,

publication 750-IN101

Install the ATEX Option

Module Assembly

To install the ATEX option module with 11-Series I/O option module

assembly in the drive, follow these steps.

1. Remove power from the drive and verify that the voltage on the bus

capacitors has discharged.

ATTENTION: To avoid an electric shock hazard, verify that the voltage on the

bus capacitors has discharged completely before performing any service.

Frames 1…7: Measure the DC bus voltage at the power terminal block by

measuring between the +DC and -DC terminals or between the +DC and -DC

test points if equipped. Also measure between the +DC terminal or test point

and the chassis and between the -DC terminal or test point and the chassis. The

voltage must be zero for all three measurements.

Frames 8…12: Measure the DC bus voltage at the DC+ and DC- test point

sockets on the front of the power module.

For the location of the terminal block and test point sockets, see the manual for

your drive: