Lenze i550-C0.25/120-1 - Periodic Inspections

Periodic inspecons
The correct sequence of the safety−oriented funcons must be checked in periodic inspec-
ons. The risk analysis or applicable regulaons determine the me distances between the
tests.
The inspecon interval should not exceed one year.
Technical data
Rated data
The data applies to products delivered before 1st September 2016.
Safety-related characteriscs according to IEC 61508, Part 1−7 and IEC 62061
Specicaon Value Comment
Safety Integrity Level SIL 2
PFH [1/h] 7.5 E−08 7.5 % of SIL 2
PFD 6.4 E−03 64 % of SIL 2 aer T = 20 years
Proof test interval 20 years Mission me
Safety-related characteriscs according to EN ISO 13849−1
Specicaon Value Comment
Performance Level d
Category 2
MTTF
d
High 530 years
Diagnosc coverage DC Low 60 %
Basics of the safety-related characteriscs
Basics Value Comment
Source of failure rates SN 29500
When no values from the component manufacturers
were available.
Average max. ambient temperature 40 °C
The data applies to products delivered aer 1st September 2016.
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] 1.71 E−09 1.71 % of SIL 3
PFD
av
(T)
1.49 E−04 14.9 % of SIL 3 aer T = 20 years
Proof test interval 20 years Mission me
Safety-related characteriscs according to EN ISO 13849−1
Specicaon Value Comment
Performance Level e
Category 4
MTTF
d
High 3200 years
Mean diagnosc coverage DC
av
High 99 %
Basics of the safety-related characteriscs
Basics Value Comment
Source of failure rates SN 29500
When no values from the component manufacturers
were available.
Average max. ambient temperature 40 °C
Product extensions
Funconal safety
Technical data
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