WEG CFW500 V1.8X, Programming Manual, Page: 134 / 172

PID Controller
13-2 | CFW500
13
and the ramp input becomes the setpoint directly (bypass operation).
The digital outputs DO1 to DO5 can be set to activate logics of comparison to the process variable (VP), and the
value 22 (=VP>VPx) or 23 (=VP<VPx) must be programmed in one of the respective parameters (P0275 to P0279).
E
na
ble
None
P
ID v
ia A
I1
P
ID v
ia A
I3
P
ID v
ia F
I
S
ele
ct
ion
o
f P
ID
fun
ct
ion
a
nd
fe
edb
ac
k
Se
tpo
in
t d
ef
ini
tio
n
(Pr
oc
es
s v
ar
ia
bl
e re
fe
re
nc
e)
R
ef
er
en
ce (
Lo
ok a
t
Fi
gu
re 7
.1 o
n p
ag
e 7
-2
)
S
et
po
in
t r
ef
er
en
ce (
Lo
ok a
t
Fi
gu
re 7
.1 o
n p
ag
e 7
-2
)
Ma
nu
al
(D
Ix
o
pe
n)
A
ut
oma
tic
(DI
x c
lo
se
d)
f*
(L
oo
k a
t
Figu
re
9.
1 o
n p
ag
e
9-2
a
nd
Fi
gu
re 1
0.
1 o
n
pag
e 1
0-
2
)
Fr
equ
enc
y
re
fe
re
nc
e
(spe
ed)
A
ca
de
m
ic
PI
D
A
ca
de
m
ic
PI
D
P
ID
c
on
tr
ol
le
r
act
ion
t
yp
e
0 = D
ire
ct
1 = R
ev
er
se
E
na
ble
P
00
41
P
02
03 = 0
P
02
03 = 1
P
02
03 = 2
P
02
03 = 3
P
02
21 / P
02
22 > 0
P
013
3,
P
013
4
P
02
21 / P
02
22 = 0
P
05
28
P
05
29
P
00
41
–1
P
05
27
P
05
22
P
05
20
P
05
21
P
05
25
P
05
26
D
Ix
Figure 13.1: Block diagram of the PID controller