PowerFlex Digital DC Drive User Manual -
Publication 20P-UM001C-EN-P - July 2008
Control Block Diagrams
D-11
Speed Regulator PI Block
S
peed R
e
g
ul
at
or
PI
B
lock
Σ
+
+
+
+
P99
S
pd R
eg K
p
O
u
t
Ze
ro
T
F
S
pe
ed
A
d
a
pt
iv
e
a
nd
S
peed Zero Logic
F
P
8
7
S
p
d
Re
g
Kp
A
n
ti-Windup
Torque Current Limit
s
A
n
ti-Windup
P9
3
S
p
d
Re
g
Kp
B
as
e
P94
S
p
d
Re
g
Ki
B
as
e
S
p
ee
d
P / I B
as
e
P459
S
p
d
R
eg
Kp
By
p
ass
P460
S
p
d
R
eg
Ki
By
p
ass
Σ
By
p
ass
g
a
in
s
a
re
us
ed
w
h
en
P
45
8
[
S
pdReg FB Byp
ass
] = “En
ab
led
”
(1)
a
nd the Encoder or T
a
chometer
s
ign
a
l i
s
lo
s
t, c
aus
ing Arm
a
t
u
re Volt
a
ge
Feed
ba
ck to
b
e
us
ed.
P1
88
Ad
a
p
tive P
G
a
in
1
P190
Ad
a
p
tive P
G
a
in
2
P192
Ad
a
p
tive P
G
a
in
3
P1
8
1
Ad
a
pt
iv
e
S
pd En
P117
S
pd R
eg I
n
P
ct
P1
83
Ad
a
p
tiv
e Ref
P11
8
S
pd R
eg I
n
P
88
S
pd Reg Ki
P1
8
9
Ad
a
p
tive I
G
a
in
1
P19
3
Ad
a
p
tive I
G
a
in
3
P1
8
1
Ad
a
pt
iv
e
S
pd En
P122
S
pd Feed
ba
ck
P100
S
pd R
eg K
i O
u
t
P444
S
pd Fd
b
k Filter
P2
3
6
S
pd R
eg O
u
t P
ct
P
3
4
8
Lock
S
peed Integ
P191
Ad
a
p
tive I
G
a
in
1