Rockwell Automation 20G PowerFlex 750-Series AC Drives - Manual (Page 157)

Rockwell Automation Publication 750-RM002B-EN-P - September 2013 157
Diagnostics and Protection Chapter 3
Figure 15 - Current Limit Frequency Fold-back Examples
P7 [Output Current] P424 [Active Cur Lmt] P1 [Output Frequency] P3 [Mtr Vel Fdbk]
Running at 60 Hz
Frequency is folded back.
Load is removed.
Current limit set to 8 amps.
Load hits current limit.
Frequency is folded back more
aggressively as the load continues to
increase.
Gradual increase in load.
Start
Seconds
Am
ps
Fre
qu
en
cy