beautypg.com

Rockwell Automation 20C PowerFlex 700H Drives Programming User Manual

Page 95

background image

Rockwell Automation Publication 20C-PM001F-EN-P - March 2012

95

Application Notes

Appendix B

If no digital input is configured to “PI Enable,” then only the Bit 0 = 1 condition
must be met. If the bit is permanently set to a “1”, then the loop will become
enabled as soon as the drive goes into “run”.

PI Pre-load Value

PI Pre-load Value = 0

PI Pre-load Value > 0

Pre-load to Command Speed

PI Enabled

Spd Cmd

PI Output

Start at Spd Cmd

-100.0

-75.0

-50.0

-25.0

0.0

25.0

50.0

75.0

100.0

Normalized Feedback

Nor

maliz

ed SQR

T(F

eedbac

k)

-100.0

-75.0

-50.0

-25.0

0.0

25.0

50.0

75.0

100.0