Pilz PSEN op4B-S-3-080 - Manual (Page 38)

PSEN op4B Series Operating Manual
34
This function monitors the switching of the N/C contacts when the
OSSD output status changes.
T
C
≤ 350 ms Time after which the feedback loop contacts open once
the OSSD outputs switch from OFF-ON
T
0
≤ 100 ms Time after which the feedback loop contacts close once
the OSSD outputs switch from ON-OFF
Use control elements whose dynamics are compatible with the time
constraints stated above.
If inappropriate devices are used, the safety light curtain may switch to
a fault condition.
We recommend that this function is checked regularly.