Electrical connection
Leuze electronic GmbH + Co. KG
MSI-SR5B
21
The following circuit shows the connection of an AOPD (laser scanner) in a danger zone safeguarding
system. With this circuit, a reset button can deactivate the start/restart interlock.
Figure 7.3: One type 4 AOPD with two safety-relevant transistor outputs, manual restart (RES), central
wiring
The following circuit shows the connection of an AOPD with safety-related relay output contacts in a
danger zone safeguarding system with contactor monitoring (EDM) in the button circuit. With this circuit,
a reset button can deactivate the start/restart interlock.
Figure 7.4: Two type 4 AOPDs, each with two normally open contacts, manual restart (RES) and con
-
tactor monitoring (EDM), separate supply lines to the AOPDs required, local wiring
0V
MSI-SR5
7
21
13
15
23
6
8
+24V
5
16
22
24
AOPD, Type 4
+24V
14
(+U
b
)
(+S12)
(+S11)
(-S12)
(+S22)
(+S21)
(-S22)
(IV-O)
(RES-I)
(RES-O)
(0V-O)
(0V)
0V
MSI-SR5
7
21
13
15
23
6
8
+24V
5
16
22
24
14
AOPD, Type 4
AOPD, Type 4
+24V
+24V
(+U
b
)
(+S12)
(+S11)
(-S12)
(+S22)
(+S21)
(-S22)
(IV-O)
(RES-I)
(RES-O)
(0V-O)
(0V)
K3
K4
