Application manual for YRB-4EML-31S safety relay
Contrinex AG Industrial Electronics
31
4.3.1
YRB-4EML-31S up to PL d/SIL 2
Two-channel non-equivalent safety door monitoring with manual reset
Order No.
605-000-728 with screw connection
Technical data
– 24 V 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 non-equivalent safety door monitoring with two position
switches
– Manual reset (S33, S34)
– Feedback of contactor contacts K3 and K4 at S33 and S34
– Stop category 0
– Monitoring of external contactors
– Safety level of the example up to PL d (EN ISO 13849-1) and SIL 2 (EN 62061)
Figure 14
Two-channel safety door monitoring with manual reset
YRB-4EML-31S
YRB-4EML-31S