Application examples for multifunctional PSRmultifunction safety relays
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6.1.4 PSR-MXF4/4X1/2X2/B up to PL e/SIL 3
Two-channel safety door (non-equivalent) and light grid monitoring with manual
reset (ESPE type 4) and higher-level emergency stop monitoring
Application example – Two-channel emergency stop, safety door, and light grid monitoring
– Manual start (S34, S36)
– Feedback of contactor contacts K5 and K6 at S34
– Feedback of contactor contacts K7 and K8 at S36
– Stop category 0
– Safety level of the example up to PL e (EN ISO 13849-1) and SIL 3 (EN 62061)
Figure 6-5 Two-channel emergency stop, safety door, and light grid monitoring
PSP-MXF4/4X1/2X2/B
Order No. 2903260 with screw connection
2903261 with spring-cage connection
2903262 with Push-in connection
Technical data – 24 V AC/DC
– 4 enabling current paths, 2 signaling current paths
– Monitored manual start or autostart
– Basic insulation
– Cat. 4, PL e in accordance with EN ISO 13849-1, SILCL 3 in
accordance with EN 62061
S4
S3
S5
K5 K6
K7 K8
K6
K5
K8
K7
N
K5
K6
M
K7
K8
M
+24V DC
OSDD1 OSDD2
11 12
13
14
L
13
23
43
53
A2A2
S34 S35 S36
S37
( )
( )( )
( )
K1
K2
K3
K4
A1 S11 S21 I1 I2 I3 I4 I5 I6
14
24
32
44
54
62
PSR-...-24DC/MXF4/4x1/2x2/B
S0 S1 S2
(Emergency
stop)
Light grid type 4
Receiver
Transm
itter
Emergency
stop