30 Rockwell Automation Publication 750-RM100A-EN-P - August 2019
Chapter 4 Secondary Motor Control
One Drive, Two Motor Control Types
You can use secondary motor control when one PowerFlex 755T drive is used to
switch from two different motor control types. For this example, the PowerFlex
755T drive is configured to switch between controlling an induction motor and
an SPM permanent magnet motor. Induction Flux Vector is configured in the
Primary Motor Control profile, and SPM Motor Flux Vector is configured in the
Secondary Motor Control profile.
The drive is configured to switch between the primary and secondary motor
control profiles that are based on which contactor is closed and electrically
connected to the specified motor.
Figure 13 - One Drive, Two Motor Control Types
PowerFlex 755T Drive
Port 10
Pri Mtr Ctrl
Induction Motor
Flux Vector
Port 11
Sec Mtr Ctrl
SPM Motor
Flux Vector
Power Structure
Induction SPM
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