Lenze i750 - Technical Data; Safety-Related Characteristics Basic Safety - STO

Technical data
Sa
fety-related characteriscs Basic Safety - STO
Safety-related characteriscs according to EN 61508, Part 1‑7 and EN 62061
Specicaon Value Comment
Safety Integrity Level SIL 3
PFH [1/h] < 1 E−09 < 1 % of SIL 3
PFD
a
vg
(T)
< 1 E−04 < 10 % of SIL 3 aer T = 20 years
SFF 99 %
Proof test interval T 20 years Mission me
Safety-related char
acteriscs according to EN ISO 13849‑1
Specicaon Value Comment
Performance Level e
Category 4
MTTF
d
High > 100 years
Mean diagnosc c
overage DC
avg
High 99 %
Basics of the safety-related char
acteriscs
Basics Value Comment
Source of failure rates SN 29500
When no values from the component manufacturers
w
ere available.
Average max. ambient temperature 60 °C
Funconal sa
fety
Technical data
Safety-related characteriscs Basic Safety - STO
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