1.3.2.6.3 Setup of the safety functions
Attention
For SIL 3, PL e, cat.3 it is required to send test pulses from the PLC to the output or to ensure fault
exclusion for wiring “Short circuit between any two conductors” according to ISO 13849-2:2012 between
signals STO-SBC 1 and STO-SBC 2
permanently connected (fixed) and protected against external damage, e.g. by cable ducting,
armouring, OR
separate multicore cables, OR
within an electrical enclosure, OR
individually shielded with earth connection.
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