Rockwell Automation Liqui-Flo DBT Reach Drive - Manual (Page 223)

Application Notes Appendix D-9
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”
.
Figure D.11 – PI Enable
PI Enabled
Spd Cmd
PI Output
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
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