PowerFlex Digital DC Drive User Manual -
Publication 20P-UM001C-EN-P - July 2008
D-8
Control Block Diagrams
Speed / Torque Regulator
+
+
+
+
+
+
+
S
p
eed
F
eed
b
ack
In
er
ti
a/lo
ss
T
+
+
+
+
S
p
eed
R
e
g
P
/I
To C
u
rr
ent
R
e
g
ul
at
or
Block Dia
g
ram
T
Ze
ro
T
o
rque
Command
In
er
ti
a / L
o
ss
Co
m
p
S
pe
ed
Li
m
it
s
S
pe
ed
U
p
Fr
om
S
p
eed
R
ef
er
en
ce
G
ene
ra
ti
on D
ia
g
ra
m
-
+
D
roop c
o
m
p
en
s
at
io
n
P70
Anlg In1
S
el
P75
Anlg In2
S
el
P
8
0
Anlg In
3
S
el
P1
3
2
3
DPI P1
S
elect
P1
3
24
DPI P2
S
elect
P1
3
25
DPI P
3
S
elect
P1
3
26
DPI P4
S
elect
P1
3
27
DPI P5
S
elect
P1
3
75
MOP
S
elect
P1021
Encoder O
u
t
S
el
P41
C
u
rrent Reg In
P69
8
Lo
a
d Comp
P1019
S
pd Dr
a
w O
u
t Pct
P101
8
S
peed Dr
a
w O
u
t
P4
3
Tr
im
S
peed
Σ
P2
M
a
xim
u
m
S
peed
P
3
M
a
x
S
peed Fwd
P4
M
a
x
S
peed Re
v
P6
Min
S
peed Re
v
P5
Min
S
peed Fwd
P1
Minim
u
m
S
peed
P117
S
peed Reg In Pct
P11
8
S
peed Reg In
S
peed /
To
rq
ue Re
g
ulator
P696
Droop P
ercent
P924
Act
ua
l
S
peed
P445
S
pd Up G
a
in Pct
P447
S
peed Up Filter
P446
S
peed Up B
as
e
P1016
S
u
nc
S
elect
Σ
Σ
Σ
P1016
S
u
nc
S
elect
S
pe
ed
U
p
P/I Re
g
ulator include
s
Anit-windup Lo
g
ic
P70
Anlg In1
S
el
P75
Anlg In2
S
el
P
8
0
Anlg In
3
S
el
P1
3
2
3
DPI P1
S
elect
P1
3
24
DPI P2
S
elect
P1
3
25
DPI P
3
S
elect
P1
3
26
DPI P4
S
elect
P1
3
27
DPI P5
S
elect
P242
S
peed Reg En
P
3
9
To
r
qu
e Ref
P40
Tr
im
To
r
qu
e
P
3
5
3
Zero T
or
qu
e
P99
S
pd Reg Kp O
u
tpt
P100
S
pd Reg Ki O
u
tpt
P2
3
6
S
pd Reg O
u
t Pct
Σ