The certification of drive−based safety in the controllers of the 8400 series is based on the
following test fundamentals:
> EN ISO 13849−1
> EN 60204−1
> EN 61800−3
> IEC 61508, part 1−7
> EN 62061
> EN 61800−5−1
> EN 61800−5−2
The function of the safety unit meets the requirements of the following standards:
> Category 4 and PL e according to EN ISO 13849−1
– To comply with category 4, the external wiring and the cable monitoring must
meet the requirements of category 4.
– Ensure that short circuits cannot occur in the external wiring.
> SIL 3 according to IEC 61508
– The safety unit does not contribute to the probability of failure on demand (PFD)
and probability of failure per hour (PFH) of IEC 61508.
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