Application manual for YRB-4EML-31S safety relay
Contrinex AG Industrial Electronics
28
4.2.1
YRB-4EML-31S up to PL e/SIL 3
Two-channel light curtain monitoring with manual reset (ESPE type 4)
Order No.
605-000-728 with screw connection
Technical data
– 24 V AC/DC
– 3 enabling current paths, 1 signaling current path
– Monitored manual or automatic start
– Basic insulation
– Cat. 4/PL e according to EN ISO 13849-1, SIL CL 3
according to EN 62061
Application example
– Two-channel light curtain monitoring
– Cross-circuit detection via the light curtain
– Manual reset (S33, S34)
– Feedback of contactor contacts K3 and K4 at S34
– 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 13
Two-channel light curtain monitoring with manual reset YRB-4EML-31S
YRB-4EML-31S
