
390 Control chain diagrams
Direction lock
Out
pu
t r
efer
en
c
e
In
p
ut r
efer
en
c
e
20
.21 D
irecti
on
=
R
e
q
u
est
AN
D
OR
R
eferenc
e f
ro
m
Mo
to
r po
te
ntiome
te
r
J
o
g
g
ing
R
efer
en
c
e
La
s
t/
Saf
e re
fe
renc
e
C
o
n
s
tant refe
renc
e
R
eferenc
e f
ro
m
PI
D
R
eferenc
e f
ro
m
Pa
ne
l
R
eferenc
e f
ro
m
AI
OR
R
eferenc
e f
ro
m
Mo
to
r po
te
ntiome
te
r
R
eferenc
e f
ro
m
Pa
ne
l
La
s
t/
Saf
e re
fe
renc
e
R
eferenc
e f
ro
m
AI
OR
20
.2
1
D
irecti
on
=
R
everse
AND
20
.2
1
D
irecti
on
=
R
e
q
u
est
R
everse c
omma
nd
ac
ti
v
e
X
MA
X
X
-1
-1
0
AND
20
.21
D
irecti
on
=
R
e
q
u
est
R
everse c
omma
nd
a
c
ti
v
e
Inpu
t ref
erenc
e > 0
ACS180 FW.book Page 390 Tuesday, March 9, 2021 2:25 PM