Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual - Manual (Page 438)

438 Rockwell Automation Publication 750-PM001J-EN-P - October 2014
Appendix A PowerFlex 755 Control Block Diagrams
Figure 72 - Friction Compensation
Speed
Torque
+
+
-
-
+ [FrctnComp Slip]
-
[FrctnComp Slip]
+ [FrctnComp Stick]
-
[FrctnComp Stick]
+ [FrctnComp Rated]
-
[FrctnComp Rated]
+ [Motor NP RPM]
+ [FrctnComp Trig]
-
[Frct
nCom
p Tri
g
]
[FrctnComp Hyst]
[FrctnCom
p
Hyst]
[FrctnComp Time]
[FrctnComp Time]
Friction Compensation Adjustments
-
[Motor NP RP
M]
Sp
eed
To
rque
+
+
-
-
+ [Frctn
Comp
Trig
]
-
[FrctnComp Trig]
[FrctnComp Hyst]
[Frc
tn
Co
mp
H
ys
t]
Friction Compensation Hysteresis
1 2 3 4 5 6
B
A
D
C
F
E
H
G
I
Friction Compensation
PF
755 Rev
_10.a
Pag
e 37