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Contrinex Industrial Electronics
CONNECTION EXAMPLES FOR YRB-4EML-31S SAFETY RELAY
Below are two typical examples for connecting a Safetinex AOPD, us-
ing channel 1, to a Safetinex YRB-4EML-31S relay:
1 - For
Manual Restart
mode:
AOPD pin numbers refer to M12 connector.
FIG. 25: CONNECTION DIAGRAM FOR MANUAL RESTART MODE
FIG. 24: SEQUENCE OF RELAY SWITCHING OPERATION
AOPD response
time (table p. 47)
10 ms
typical release delay
of YRB-4EML-31S
at U
N
= 24 V
OSSD1 and OSSD2
Safety relay’s
normally open
contacts 13-14,
23-24 and 33-34
moment of intrusion into
AOPD’s protective field
closed
open
Important notice
: the restart button must always be located outside
the hazardous area!
Safetinex Relay YRB-4EML-31S
S33
S34
Start
S35
YBB Light
Curtain /
Barrier
