Fes
to C
P
A
S
C
−D
N 0
4
12
a
E
ng
li
s
h
17
2.1 Pin assignment: Power supply
Socket: Type NTSD−GD−9−M12−5POL−RK (B−coded)
1
5
4
3
2
Power
1: 2
4
V
D
C
e
l
ec
tro
n
i
cs
(
and
C
P
sens
or
s
)
2: 2
4
V
D
C v
a
lv
es
(
and
C
P
output
s
)
3: 0 V
e
l
ec
tro
n
i
cs
(
and
C
P
sens
or
s
)
4
: 0 V v
a
lv
es
(
and
C
P
output
s
)
5:
F
E (fu
nc
tio
na
l
ea
rth)
2.2 Example of connection with electrical isolation of
electronics and load voltage
1
P
ow
e
r u
n
it for lo
ad
volt
age
(v
a
lv
es
and
output
s
)
2
De
vi
ce
for i
s
ol
a
tio
n
m
o
n
itori
ng
3
Lo
ad
volt
age
can
be
s
wit
c
h
ed
off
se
p
a
r
a
t
e
ly
and
e
xt
e
r
na
l fu
ses
4
P
ow
e
r u
n
it for
op
e
r
a
ti
ng
volt
age
(
e
l
ec
tro
n
i
cs
and
sens
or
s
)
0V
1
2
4
V
0V
2
4
V
2
4
3 4 1 2 5
2
3
