Rockwell Automation 20A PowerFlex 70EC/700VC - Manual (Page 148)

144 PowerFlex 70EC Block Diagrams
0.0 Hz
23 - Speed Reference
0.0
415 - Encoder Speed 0.0 R/s
449 - Speed Desired BW
0.10 Secs
450 - Total Inertia
6.3
446 - Kp Speed Loop
7.8
445 - Ki Speed Loop
40.0 RPM
121 - Slip RPM @ FLA
4
49 - Motor Poles
0.0
451 - Speed Loop Meter
Open Loop
80 - Feedback Select
0.0 Hz
454 - Rev Speed Limit
10.0
83 - Overspeed Limit
60.0
82 - Maximum Speed
0.0 Hz
1 - Output Freq
X X
+ – + +
+ + + +
+ +
+ –
Limit
Limit
Kp
Ki s
P Gain
I Gain
<0
–1
–1
F
rom Speed F
eedbac
k Select
1.5 120
Anti-
Windup
Bus
V
oltage
& Current
Limit
Open Loop Slip Comp Encoder
0 1 3
Wr
iting Speed Desired
Bandwidth calculates Kp Speed Loop and Ki Speed Loop v
alues
Speed Control
FVC V
ector
0.0
451 - Speed Loop Meter
0.0 %
24 - Commanded Torque
Torque Ref
erence
Select
Torque Current
Torque Control
Pro
cess PI
Co
nt
rol (con
tin
ue
d)
To
rque Control
Ov
er
vi
ew