Phoenix Contact PSR-ESA2/4x1/1x2/B User Manual

Application manual for PSRclassic and PSRmultifunction, and the modular safety relay system
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PHOENIX CONTACT 102597_en_03
5.6.3 PSR-URML4/3x1/1x2/B up to PL e/SIL 3
Two-channel light grid monitoring (ESPE type 4)
Application example – Two-channel light grid monitoring
– Cross-circuit detection via light grid
– Feedback of contactor contacts K3 and K4
– Stop category 0
– Monitoring of external contactors
– Safety level of the example up to PL e (EN ISO 13849-1) and SIL 3 (EN 62061)
Figure 5-28 Application example: light grid monitoring
PSR-URML4/3x1/1x2/B
Order No. 2903583 with screw connection
2903584 with spring-cage connection
Technical data – 24 V AC/DC
– 3 enabling current paths, 1 signaling current path
– Basic insulation
– Cat. 4, PL e in accordance with EN ISO 13849-1, SILCL 3 in
accordance with EN 62061
L+
(L1)
M
(N)
0V
K3
K4
PSR-...-24DC/URML4/3X1/1X2
S12 S22
13 23
33
41
14 24
34
42
M
K3
K4
OSSD1 OSSD2
EDM
K4
K3
() ()
Transmitter
Receiver
Light grid type 4

Phoenix Contact PSR-ESA2/4x1/1x2/B Specifications

General

Brand	Phoenix Contact
Model	PSR-ESA2/4x1/1x2/B
Category	Relays
Language	English