PowerFlex Digital DC Drive User Manual -
Publication 20P-UM001C-EN-P - July 2008
Control Block Diagrams
D-17
PID Control
G
a
in
Th
r
Th
r2
S
te
a
dy
S
t
a
te
Σ
+
+
s
ig
n
P
ID
+
+
G
a
in
Di
a
me
te
r
C
a
lc
u
l
a
tor
T
T
ON
T
ON
PID Contr
ol
P7
8
6
PID
S
o
u
rce
P7
8
7
PID
S
o
u
rce G
a
in
P760
PID
S
etpoint 0
P761
PID
S
etpoint 1
P75
8
F
eed Fwd PID
P7
3
1
PID
S
te
a
dy Del
a
y
P765
PI Prop G
a
in PID
P79
3
PI Init Prop Gn
P769
En
ab
le PI
P7
8
4
PI Upper Limit
P771
PI O
u
tp
u
t
P41
8
Re
a
l FF PID
P772
PID O
u
tp
u
t
S
ign
P77
3
PID O
u
tp
u
t
S
c
a
le
P7
8
2
PID T
a
rget
P774
PID O
u
tp
u
t
P771
PI O
u
tp
u
t
P776
PI Centr
a
l v1
P777
PI Centr
a
l v2
P7
8
5
PI Lo
w
er Limit
P779
PI Centr
a
l v
s
el
P77
8
PI Centr
a
l v
3
P7
83
PI integ
r freez
e
P770
En
ab
le PD
Encoder 1 P
o
s
ition
P414
Fd
b
k De
vice
Ty
pe
P
8
00
Di
a
meter C
a
lc
S
t
P794
Di
a
meter C
a
lc
P799
Minim
u
m Di
a
meter
P797
Ge
a
r Bo
x R
a
tio
P771
PI O
u
tp
u
t
P795
DncrP
o
sS
pd
P796
M
a
x De
vi
a
tion
P79
8
D
a
ncer Con
s
t
a
nt
P767
PD Der
iv Filter
P791
PD Der
iv G
a
in
3
P7
8
9
PD Der
iv G
a
in 2
P766
PD Der
iv G
a
in 1
P790
PD Prop G
a
in
3
P7
88
PD Prop G
a
in 2
P76
8
PD Prop G
a
in 1
P764
PI Integ
r
a
l G
a
in
P7
3
4
PI Init Intgl Gn
G
a
in
Feed Fwd
S
ign:
Po
s
G
a
in = -1
Neg G
a
in = +1
P762
PID
S
etpoint
S
el
P1046
PID Accel
Time
P1047
PID Decel
Time
P76
3
PID F
eed
ba
ck
P757
PID Cl
a
mp
P759
PID Error
Σ
P76
3
PID F
eed
ba
ck
+
+
