Leuze electronic
MSI-TB
22
Figure 7.1: MSI-TB safety relay with type-2 SLSR 25B single light beam safety device
Figure 7.2: MSI-TB safety relay with LS 763 single light beam safety device in series connection
0V
Var. B
Var. A
+2
4
V
State
Er
ro
r
MSI-TB
activ
e
Receiver
0V
+
24V
RE
S
reset
Error
ac
ti
v
e
St
a
rt
w/
o
R
E
S
w/
o
R
E
S
-K1
-K2
5
-A3
6
14 15
22
21
13
7
8
30
32
24
29
31
23
-K2
-K1
-K1
-K2
A1
A2
-K1
A1
A2
-K2
1
2
1
2
4
4
3
-A2
1
16
0V
+ 24V
PE
L+
L+
+ 24V
0V
PE
L-
L-
3
1
Transmitter
-A1
+2
4
V
0V
*
*
+24
V
LS 763 E
+24
V
0
V
LS 763 SE
MSI-TB
+24
V
0
V
acti
v
e
State
Error
0
V
+24
V
LS 763 SE
0
V
+24
V
LS 763 E
0
V
+24
V
0
V
LS 763 SE
+24
V
0
V
LS 763 E
acti
v
e
acti
v
e
V
ar. A
V
ar. B
-S1
5
3
-A7
6
-A1
14 15 16 22
21
13
7
8
30
32
29
31
-K1
-K2
A1
A2
-K1
A1
A2
-K2
1
2
1
2
1
-A3
4
1
23 24
4
3
-A5
1
4
3
-A2
1
4
3
1
4
3
-A4
1
4
3
-A6
-K2
-K1
-K2
-K1
L+
L+
L-
L-
RES
w
/o RES
Star
t
acti
v
e
Error
Reset