User manual

AX34509b_e.doc / Feb-13 Page 5 / 38
2. Terminal Assignments
AX 345:
Basic model
1
GND
2
17-30V DC in
3 4 5 6 7
8
9
10
G
N
D
2
3
0
V
A
C
1
1
5
V
A
C
0
V
A
C
Input A
Input B
AGND
GND
+24V DC out
n.c.
PE
optional, see *)
n
.
c
.
n
.
c
.
AX 347:
Model with two presets
and optocoupler outputs
1
GND
2
17-30V DC in
3 4 5 6 7
8
9
10
G
N
D
2
3
0
V
A
C
1
1
5
V
A
C
0
V
A
C
Input A
Input B
AGND
GND
+24V DC out
COM+
OUT 1
OUT 2
PE
optional, see *)
AX 348:
Model with serial
RS232 / RS485 interface
1
GND
2
17-30V DC in
3 4 5 6 7
8
9
10
G
N
D
2
3
0
V
A
C
1
1
5
V
A
C
0
V
A
C
Input A
Input B
AGND
GND
+24V DC out
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