Rockwell Automation 20D PowerFlex 700S AC Drives with Phase II Control Programming Manual - Manual (Page 190)

190 Rockwell Automation Publication 20D-PM001C-EN-P - July 2013
Appendix C Control Block Diagrams
pha_lock_loop.eps
Pha
s
e Locked Loop
(Ta
s
k 1
)
1 2 3 4 5 6
B
A
D
C
F
E
H
G
I
Lpf
Loop Filter
X to V Conv
0
0 0
VE
[ ] [ ]
EGR
X
X
727
726
724
725
723
722
721 728
X
729
720
720
720
730
147
2
0
1
24
734 735 731 732 733
PLL Po
s
ition Ref
PLL Ext
S
pd Ref
PLL B
a
ndwidth
PLL Rev Inp
u
t
PLL EPR Inp
u
t
PLL Rev O
u
tp
u
t
PLL EPR O
u
tp
u
t
PLL VirtEncdrRPM
PLL LPFilter BW
PLL Control
(ACOMP
)
PLL Control
(VFF
)
PLL Control
(EXT
)
PLL Ext
S
pd
S
c
a
le
PLL
S
peed O
u
t
PLL
S
peedO
u
t Adv
PLL Po
s
it O
u
t
PLL Po
s
it O
u
tAdv
PLL Po
s
it O
u
tFil
Te
s
t Point
s
P
717
–
PLL TP
S
elect
P
718
–
PLL D
a
ta
Int
P
719
–
PLL D
a
ta
Re
a
l
lpf
153
21
Control Option
s
59
Inerti
a
Trq Add
Inerti
a
Comp
54
Icomp lpf
+
+
+
-
FW
_
F
u
nct (
Ph
as
eLockLp
)