Rockwell Automation 20G PowerFlex 750-Series AC Drives - Manual (Page 397)

Rockwell Automation Publication 750-RM002B-EN-P - September 2013 397
Integrated Motion on the EtherNet/IP Network Applications for PowerFlex 755 AC Drives Chapter 6
Torque Control Overview - Induction Motor and Surface Permanent Magnet Motor
Torque Control –
O
verview
Induction Motor (IM) &
Surface Permanent Magnet Motor (SPM)
1 2 3 4 5 6
B
A
D
C
F
E
H
G
I
Torque
Reference
Scale
and Trim
Spe
ed /
Torque / Position
Mode Sel
e
ct
+
-
Tor
que
Limit
Inertia
Adaption
Torque
Limit
Select
+
+
Bus
Voltage
Regulator
Torque Step
Spd Reg PI Out
Torq Ref 1 Torq Ref 2
Torq Trim
Speed
Reg
Output
Trim
Inertia Comp
Rege
n Powe
r Limit
Pos Tor
que
L
imit
Neg Tor
que
L
imit
Notch Filter
Fi
ltered
Torq
ue Ref
+
+
Select
Drive Voltage and Current Ratings Brake/Bus Config DC
Bus
Vo
lta
ge
Te
Iq
Calc
Current
Li
mit
Ra
te
Limit
Tor
que
Current
Re
f
Pwr
Te
Calc
Power, T
o
rq
ue, and Current
Limit Reference
Generation
Current
Limit
Processing
and
Selection
+
Load
Observ
er/
Estimator
Friction Comp
+
PF
755 Rev
_9.a
Page
21a