PSR-MC40
106175_en_02 PHOENIX CONTACT 14
15 Application examples
Key:
Applications with the PSR-MC40
15.1 Emergency stop monitoring/automatic start
– Two-channel emergency stop 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 and the sensor circuit can be ruled out
Figure 12 Emergency stop monitoring/automatic start
15.2 Emergency stop monitoring/manual, monitored
start
– Two-channel emergency stop 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 and the sensor circuit can be ruled out
Figure 13 Emergency stop monitoring/manual, moni-
tored start
S1 = Emergency stop button
S2 = Manual reset device
B1/B2 = Mechanical safety door switches
K1/K2 = Contactors
Cross-circuits in the cable installation can be
excluded if the safety relay and external con-
tactors K1 and K2 are located in the same
electrical installation space.
K1
K2
M
24V
K1
K2
N
L
S1
0V
K2
K1
A1
A2
13
14
PSR-MC40
S12
S22
( )
M1
( )
23
24
( )
34
33
S34
( )
K1
K2
M
24V
K1
K2
N
L
0V
S1
K2
K1
S2
A1
A2
13
14
PSR-MC40
S12S34
S22
( )( )
M1
( )
23
24
( )
34
33
