Appendix
VFD700 AC Drive Getting Started Guide
147
4 User PID controller
VFD700 has a programmable PID controller. The block diagram is as below:
0
1
P
ID
r
ef
er
en
ce
%
P
P
15
.0
9
I
P
15
.1
0
D
P
15
.1
1
P
ID
o
u
tp
u
t
h
o
ld
s
el
ec
t
P
ID
c
o
n
tr
o
ll
e
r
o
u
tp
u
t
P
ID
o
u
tp
u
t
d
es
ti
n
at
io
n
p
ar
am
et
er
%
+
%
P
ID
e
rr
o
r
P
18
.0
8
P
00
.0
0
P
15
.1
5
+
+
%
P
ID
f
ee
d
b
ac
k
so
u
rc
e
p
ar
am
et
er
P
18
.0
8
P
00
.0
0
P
15
.0
2
P
18
.0
8
P
00
.0
0
P
15
.0
3
M
ai
n
r
ef
er
en
ce
so
u
rc
e
p
ar
am
et
er
P
15
.0
7
D
ri
v
e
st
at
es
P
12
.0
1
P
18
.0
8
P
00
.0
0
P
15
.0
1
P
ID
r
ef
er
en
ce
so
u
rc
e
p
ar
am
et
er
P
ID
f
ee
d
b
ac
k
so
u
rc
e
in
v
er
t
P
ID
o
u
tp
u
t
sc
al
e
fa
ct
o
r
P
ID
f
ee
d
b
ac
k
%
P
ID
M
ai
n
re
fe
re
n
ce
P
ID
e
n
ab
le
x
(-
1
)
P
15
.1
9
P
15
.1
8
P
15
.0
4
P
ID
r
ef
er
en
ce
so
u
rc
e
in
v
er
t
P
15
.0
6
P
ID
r
ef
er
en
ce
sl
ew
-r
at
e
li
m
it
P
15
.2
1
P
15
.1
6
P
15
.2
0
0
1
x
(-
1
)
P
15
.0
5
&
P
15
.2
2
P
15
.1
4
P
ID
o
u
tp
u
t
lo
w
l
im
it
P
15
.1
3
1
0
P
1
5
.1
2
,
P
1
5
.1
3
E
n
ab
le
P
15
.1
7
P
ID
o
u
tp
u
t
h
ig
h
l
im
it
P
15
.1
2
1
0
P
1
5
.1
2
,
P
1
5
.1
3
E
n
ab
le
P
15
.1
7
