
16
SICK WSU 26/2 – WEU 26/2
8 008 692/9-12-99 Technical Description · WSU/WEU 26-2 © SICK AG · Safety Systems · Germany · All rights reserved
Fig. 16: Wiring diagram WSU/WEU 26/2 for AC supply, interchangeable design
1/2
3
10
11
1
2
3
4
PE
N
1/2
3
10
11
5
6
3
4
2
3
4
5
6
1
A
B
C
D
E
F
G
Coded to
A or
Equipment plug
2
3
4
5
6
1
A
B
C
D
E
F
G
Coded to
G or 2
Equipment plug
N
1/2
3
4
5
6
7
8
9
1
2
3
6
4
5
1/2
3
4
5
6
7
8
9
PE
N
5
6
3
1
2
4
2
3
4
5
6
1
A
B
C
D
E
F
G
Coded to
A or
Equipment plug
2
3
4
5
6
1
A
B
C
D
E
F
G
Coded to
C or 6
Equipment plug
WSU 26/2 -121
-221
-111
-211
2
3
4
5
6
1
A
B
C
D
E
F
G
Coded to
F or 3
Equipment plug
WEU 26/2 -112
-122
-212
-222
WEU 26/2 -113
-213
-123
-223
WSU 26/2 -113 WSU 26/2 -213
N
230 V/
115 V
PE
PE
230 V/
115 V
230 V/
115 V
2
3
4
5
6
1
A
B
C
D
E
F
G
Coded to
F or 3
Equipment plug
WSU 26/2 -123
-223
230 V/
115 V
2
3
4
5
6
1
A
B
C
D
E
F
G
Coded to
C or 6
Equipment plug
WEU 26/2 -121
-221
2
3
4
5
6
1
A
B
C
D
E
F
G
Coded to
G or 2
Equipment plug
WEU 26/2 -111
-211
1/2
3
4
5
6
7
8
9
1
2
3
6
4
5
PE 230/
115 V
N
Fig. 17: Pin assignment WSU/WEU 26/2, AC/DC version with equipment plug (15 + PE)
A
B
C
1
24 V
n.c.
Test
L 1
(1/2)
(10)
2
0V
n.c.
Test
N
(3)
(11)
3
n.c.
n.c.
n.c.
4
n.c.
n.c.
n.c.
5
n.c.
n.c.
n.c.
(...) Terminals on electronic card
(...) Terminals on electronic card
A B C
WSU 26/2
-114
-214
-124
-224
-134
-234
1
2
3
4
5
+24V/L1 (1/2)
0V/N (3)
Test (10)
Test (11)
PE
A B C
WEU 26/2
-114
-214
-124
-224
-134
-234
1
2
3
4
5
+24V/L1 (1/2)
0V/N (3)
S1 (4)
Ö1/2 (6)
S2 (8)
S1 (5)
Ö1/2 (7)
S2 (9)
PE
A
B
C
1
24 V
n.c.
n.c.
L 1
(1/2)
2
0V
n.c.
n.c.
N
(3)
3
n.c.
n.c.
n.c.
4
S 1
Ö 1/2
S 2
(4)
(6)
(8)
5
S 1
Ö 1/2
S 2
(5)
(7)
(9)