W.E.S.T. Elektronik POS-123-P, Technical Documentation Manual

Page: 17 / 57

Page 17 of 58 POS-123-*-2030 23.08.2019
4.3 Circuit diagram
I-
ve
rs
io
n
:
4
..
.
2
0
m
A
P
IN
1
5
=
+
,
P
IN
1
2
=
G
N
D
C
o
m
m
a
n
d
s:
S
IG
N
A
L
:W
In
p
u
t
S
e
le
k
to
r
P
E
v
ia
D
IN
-R
A
IL
15 16 12
1 2
O
u
tp
u
t:
A
O
u
tp
u
t:
B
8 5
R
e
a
d
y
In
P
o
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E
n
a
b
le
S
ta
rt
2
4
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t
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4
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t
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iff
e
re
n
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l
In
p
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S
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2
3
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7
13
14
0
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11
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te
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l P
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r
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10
9
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m
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ra
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2
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a
n
d
+
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ro
fi
l
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e
n
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ra
to
r
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o
m
m
a
n
d
s:
-
V
M
A
X
-
S
Y
S
_
R
A
N
G
E
V
M
O
D
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=
N
C
In
p
u
t
S
e
le
k
to
r
C
o
m
m
a
n
d
o
:
S
IG
N
A
L
:X
0
..
1
0
V
4
..
2
0
m
A
0
V
C
o
m
m
a
n
d
p
o
si
tio
n
0
V
C
o
n
tr
o
l
F
u
n
c
ti
o
n
C
o
m
m
a
n
d
s:
-
A
:A
a
n
d
A
:B
-
D
:A
a
n
d
D
:B
-
V
0
:A
a
n
d
V
0
:B
C
o
m
m
a
n
d
s:
-
M
IN
:A
a
n
d
:
B
-
M
A
X
:A
a
n
d
:
B
-
T
R
IG
G
E
R
-
O
F
F
S
E
T
-
S
IG
N
A
L
:U
V
M
O
D
E
=
S
D
D
Out pu t
lim ita tio n
DC
DC
2
4
V
0
V
P
E
LV
-
e
w
V
M
O
D
E
=
S
D
D
Sp ee d
C
o
m
m
a
n
d
s:
-
L
G
-
M
O
D
E
(
E
xp
e
rt
o
r
S
ta
n
d
a
rd
)
-
E
O
U
T
(
E
rr
o
r
M
o
d
e
)
-
IN
P
O
S
(
In
P
o
s
o
u
tp
u
t)
C
o
m
m
a
n
d
s:
-
V
M
O
D
E
-
S
E
N
S
-
H
A
N
D
A
/B
-
D
:S
R
S
23
2
C
57
60
0
B
au
d
1
S
to
p
b
it
n
o
p
ar
it
y
c
4
..
2
0
m
A