5
SRB 202MSL
Operating instructions
Safety-monitoring module
EN
Wiring examples AOPD* with relay outputs and muting sensors
with potential-free contacts
* Active Optoelectronic Protective Device, e.g. safety light grids etc.,
formerly also known as ESD (= electro-sensitive safety device)
X1
S11
S1
S3
S2
S4
K1
K2
K3
X2
a)
c)
+24 V
b)
S12
LA1
S22
LA2
S23 X13
14
13
24
23 X23
U
B
U
i
K1
K2
K3
K4
K5
LA
SRB 202MSL
L84: ……. A
d)
Fig. 5
a) Muting sensors,
b) Bridge;
c) AOPD (relay outputs);
d) Elan safety relay
X1
S11
S1
S3
S2
S4
X2
a)
c)
+24 V
b)
S12
LA1
S22
LA2
S23 X13
14
13
24
23 X23
U
B
U
i
K1
K2
K3
K4
K5
LA
SRB 202MSL
L84: ……. A
d)
K1
K2
K3
Fig. 6
a) Muting sensors,
b) Bridge;
c) AOPD (semi-conductor outputs);
d) Elan safety relay
X1
S12
S11
X2
a)
c)
+24 V
b)
S13 S21
LA1
S22
LA2
S23 X13
14
13
24
23 X23
U
B
U
i
K1
K2
K3
K4
K5
LA
SRB 202MSL
L84: ……. A
d)
K1
K2
K3
Fig. 7
a) Semi-conductor muting sensors,
b) Bridge;
c) AOPD (relay outputs);
d) Elan safety relay
X1
S12
S11
X2
c)
+24 V
b)
S13 S21
LA1
S22
LA2
S23 X13
14
13
24
23 X23
U
B
U
i
K1
K2
K3
K4
K5
LA
SRB 202MSL
L84: ……. A
d)
a)
K1
K2
K3
Fig. 8
a) Semi-conductor muting sensors,
b) Bridge;
c) AOPD (semi-conductor outputs);
d) Elan safety relay
