Permanent magnet motors – Rockwell Automation 20G PowerFlex 750-Series AC Drives User Manual

Page 358

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Rockwell Automation Publication 750-RM002B-EN-P - September 2013

Chapter 6

Integrated Motion on the EtherNet/IP Network Applications for PowerFlex 755 AC Drives

Permanent Magnet Motors

Most permanent magnet motors are compatible with the PowerFlex 755 drive.
You must obtain the motor manufacturer’s specification for the motor prior to
contacting Rockwell Automation Technical Support.

PowerFlex 755 drives cannot accept a resolver. Therefore, the motors must have
either a pulse encoder or absolute feedback device (for example, SSI, Heidenhain,
Stegmann/Sick hyperface).

This list contains the name of manufacturers that produce motors that are
recommended for use with PowerFlex 755 drives.

WEG Electric Corp.

WEG motors can have a start winding and a run winding. Always wire the
drive to the run winding.

Wittenstein

Work well with PowerFlex 755 drives.

Wound rotor manufacturers

Wound Rotors work with PowerFlex 755 drives. You must short the external
resistors when using these motors.

Manufacturer

Notes

Baldor Electric Company

Work well with PowerFlex 755 drives. Verify that you are using either the
Surface Mount (SM) or Interior Mounted (IPM) motors and select the
appropriate control algorithm.

KollMorgan

Work well with PowerFlex 755 drives.

Oswald Electric Motors

PowerTec

Work well with PowerFlex 755 drives, but cannot use resolver feedback.

Rockwell Automation

MPL, MPM, and RDB motors work well with PowerFlex drives. Use Heidenhain
feedback for RDB motors.

Manufacturer

Notes

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