AX34509b_e.doc / Mrz-16
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2.
Terminal Assignments
AX 345:
Basic model
1
GN
D
2
17
-3
0V
D
C
in
3 4 5 6 7 8 9 10
GN
D
23
0V
AC
11
5
VA
C
0
VA
C
In
pu
t A
In
pu
t B
AG
N
D
GN
D
+2
4V
D
C
ou
t
n.
c.
PE
optional, see *)
n.
c.
n.
c.
AX 347:
Model with two presets
and optocoupler outputs
1
GN
D
2
17
-3
0V
D
C
in
3 4 5 6 7 8 9 10
GN
D
23
0V
AC
11
5
VA
C
0
VA
C
In
pu
t A
In
pu
t B
AG
N
D
GN
D
+2
4V
D
C
ou
t
CO
M
+
OU
T
1
OU
T
2
PE
optional, see *)
AX 348:
Model with serial
RS232 / RS485 interface
1
GN
D
2
17
-3
0V
D
C
in
3 4 5 6 7 8 9 10
GN
D
23
0V
AC
11
5
VA
C
0
VA
C
In
pu
t A
In
pu
t B
AG
N
D
GN
D
+2
4V
D
C
ou
t
PE
optional, siehe *)
GN
D
Rx
D,
A
(+
)
Tx
D,
B
(-
)
*) The connection of PE is optional and not necessary for safety or for EMC.
However, with some applications, it can be useful to ground the common potential of all signal lines