Rockwell Automation 20G PowerFlex 750-Series AC Drives - Manual (Page 59)

Rockwell Automation Publication 750-RM002B-EN-P - September 2013 59
Drive Configuration Chapter 1
the rotating motor. See the previous plot when this parameter set to its lowest
setting.
Flying Start - Sweep Reverse Rotating Motor
This plot shows the Sweep mode when the motor is rotating opposite from the
commanded frequency. It starts the same as explained above. If it didn't detect the
motor’s speed as it reaches 3 Hz it begins to sweep in the opposite direction.
From here the process continues the same as before.
Flying Start - Enhanced Mode
PowerFlex 753 Flying Start - Rotating Load - P360 = 9000, Default = 75
Note current dip.
Frequency Speed Current
PowerFlex 753 Flying Start - Rotating Reverse - Sweep Mode
Speed and Direction determined
Frequency Speed Current
Sweep Forward
Acceleration to
Commanded Speed
Controlled Decel
Sweep Reverse Motor Spinning Reverse -
Drive is off