PSR-MC40
106175_en_02 PHOENIX CONTACT 19
15.11 Light grid monitoring/automatic start
– Two-channel light grid monitoring
– Automatic start
– Monitoring of external contactors
– No cross-circuit detection in the sensor circuit
– Suitable up to category4, PLe (ENISO13849-1),
SIL3 (EN62061), if cross-circuits in the control to the
actuator can be ruled out
Figure 22 Light grid monitoring/automatic start
15.12 Light grid monitoring/manual, monitored start
– Two-channel light grid monitoring
– Manual, monitored start
– Monitoring of external contactors
– No cross-circuit detection in the sensor circuit
– Suitable up to category4, PLe (ENISO13849-1),
SIL3 (EN62061), if cross-circuits in the control to the
actuator can be ruled out
Figure 23 Light grid monitoring/manual, monitored start
WARNING: Loss of functional safety!
Make sure that the signal generator (e.g., PLC
output card or light grid) and the safety relay
have the same ground potential.
K1
K2
M
24V DC
K1
K2
N
L
A1
13
14
PSR-MC40
S12
S22
( )
M1
( )
23
24
( )
34
S34
( )
33
Transmitter
Light grid type 4
OSSD1 OSSD2
Receiver
0V 24V
0V
A2
K2
K1
WARNING: Loss of functional safety!
Make sure that the signal generator (e.g., PLC
output card or light grid) and the safety relay
have the same ground potential.
K1
K2
M
24V DC
K1
K2
N
L
K1
K2
S2
A1
13
14
PSR-MC40
S12
S22
( )
M1
( )
23
24
( )
34
S34
( )
33
Transmitter
Light grid type 4
OSSD1 OSSD2
Receiver
0V 24V
0V
A2
