V
O
F
A
−...
F
e
sto V
O
F
A
−...
100
4
N
H E
n
g
li
sh
52
5
Function and application
Pneumatic linking
Th
e
s
afe
ty
func
t
i
o
n
i
s
ac
h
ie
v
e
d thro
u
gh
a
t
w
o−
c
h
annel
p
neuma
t
ic
lin
k
in
g o
f
t
w
o
m
o
n
ost
a
b
le
5
/
2
−
wa
y so
len
o
i
d v
al
v
e
s
wi
th
in
th
e
c
o
n
tro
l
b
l
o
c
k
g.
3
g.4):
Port
(
4)
i
s o
nl
y pr
e
ss
u
r
i
z
e
d
w
h
en
both so
len
o
i
d v
al
v
e
s
a
r
e
s
wi
t
c
h
e
d
in
to
s
wi
t
c
h
in
g pos
i
t
i
o
n
(1
4).
Port
(2
)
i
s
alwa
ys pr
e
ss
u
r
i
z
e
d
w
h
en
a
t
lea
st o
ne
o
f
th
e
t
w
o so
len
o
i
d v
al
v
e
s
i
s
a
t
r
e
st.
Re
s
e
t
i
s by
mean
s o
f
a
mec
h
anical
spr
in
g.
Thro
u
gh th
e
s
en
s
in
g o
f
th
e
prox
imi
ty s
en
sors
(
E
1
an
d E
2
)
a
t th
e
so
len
o
i
d v
al
v
e
s
(
V
1
an
d V
2
),
i
t
i
s poss
i
b
le
to
m
o
ni
tor th
e
s
wi
t
c
h
in
g op
e
r
a
t
i
o
n
o
f
th
e
so
len
o
i
d
v
al
v
e
s.
A
l
og
ic
ci
r
cui
t o
f
c
o
n
tro
l
s
i
g
nal
an
d s
i
g
nal
c
h
an
g
e
o
f
th
e
prox
imi
ty s
en
sor
c
h
ec
ks
w
h
e
th
e
r th
e
p
i
sto
n
spoo
l
s o
f
th
e
so
len
o
i
d v
al
v
e
s r
eac
h or
lea
v
e
th
e
n
or
mal
pos
i
t
i
o
n
(e
xp
ec
t
a
t
i
o
n
).
Th
e
p
i
sto
n
spoo
l
s o
f
th
e
so
len
o
i
d v
al
v
e
s
a
r
e
d
e
s
i
g
ne
d so th
a
t p
neuma
t
ic
short
ci
r
cui
ts b
e
t
ween
th
e
ports
(2
)
an
d
(
4)
a
r
e
pr
e
v
en
t
e
d
(n
o
n
−ov
e
r
la
pp
in
g).
Summary of Contents for VOFA-B26-T52-M Series
Page 26: ...VOFA Festo VOFA 1004NH Deutsch 26 Bild 11 Funktionstest Schritte 1 bis 4...
Page 27: ...VOFA Festo VOFA 1004NH Deutsch 27 Bild 12 Funktionstest Schritte 5 bis 7...
Page 64: ...VOFA Festo VOFA 1004NH English 64 Fig 11 Function test steps 1 to 4...
Page 65: ...VOFA Festo VOFA 1004NH English 65 Fig 12 Function test steps 5 to 7...