Rockwell Automation 21G PowerFlex 750-Series AC Drives Programming Manual - Manual (Page 374)

374 Rockwell Automation Publication 750-PM001J-EN-P - October 2014
Appendix A PowerFlex 753 Control Block Diagrams
Figure 10 - Speed Control - Regulator (FV)
Sp
eed
R
eg
BW
Sp
d Loo
p Damp
in
g
Total Inertia
63
6
65
3
76
se
t pa
ram 636/648
= 0
to manually adjust param 645/649 & 647/650
*
638 639
643
65
5
656
65
9
658
620
Dr
oop
597
64
0
131
641
654
66
0
P Gain
kp
Limit
652 68
5
Spd Reg Pos Lmt Spd Reg Neg
L
m
t
Feed
Fwd
nff
SReg FB FltrGain SReg FB Fltr
BW
Filtered SpdFdbk
Active Vel
Fdbk
Fin
al Sp
eed
Ref
Speed Error
SpdReg
AntiBckup
PTP PsnRefStatus
( PTP Int Hold)
Spd Options Ctrl (S
pd
Re
gI
nt
Re
s)
(SpdRegIntHld)
(Jog No Integ)
Selected Trq Ref
Dr
oop RPM
at FLA
SR
eg
Out
FltrGain
SReg Out
FltrBW
SR
eg
Ou
tp
ut
To Torq Ctrl
[1
7B
2]
Spd Reg Int Out
1 2 3 4 5 6
B
A
D
C
F
E
H
G
I
From Fdbk [3F2]
Lea
d Lag
(k
n * s)+ wn s + wn
Lead Lag (k
n * s)+ wn s + wn
+
-
-
+
+
+
+
-
2
63
5
3 4
I Gain
ki s
94
5
At Limit
Status
P
reset
Bumpless
H
old / Re
set
Actv SpTqPs Mode
637
SReg FB Fltr Sel
65
7
SReg OutFltr Sel
SReg Tr
q Pr
es
et
644
Sp
d Er
r Filt BW
*
2 nd
Or
der
LPass
Fil
ter
635
Spd O
ptions Cntl
(SpdErrFilter)
05
Alt Speed Reg BW
648
Set=1 St
age,
C
lear=2 Stag
e
651
AltSpdErr FltrBW
*
645
Spee
d Re
g Kp
*
649
Alt Speed Reg Kp*
945
4
At Limit Status (S
pd Reg Lmt
)
720
647
Speed Reg Ki*
650
Alt Speed Reg Ki*
6
Speed Control –
R
egulator
Flux Vector
313
From Sp
d
Ref
[9
C2]
[1
7E
2]
[17D5]
PF753
Rev_10.
a
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