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Technical data
6.6 Safety Integrated
6.6
Safety Integrated
Property
Standards
Response time
Probability of failures
Mission time
68
Explanation
STO fulfils the requirements of the following standards:
SIL 3 according to IEC61508, part 1 to 3 (2010)
•
PL e according to IEC61800-5-2 (2016)
•
Category 3 according to ISO13849 part 1 (2015)
•
The function STO corresponds to stop category 0 according to
IEC60204 (2005)
20 ms
The response time of the Safe Torque Off function is the time between
selecting the function and the function becoming active.
Probability of failures per hour: PFH, PFH
•
PFH according to IEC 61800-5-2, PFH
Mean probability of failure for a low demand rate of the safety func-
•
tion according to IEC 61508: PFD = 50×10
20 years
You may not operate converters with integrated safety functions for
longer than the mission time. The mission time starts when the device is
delivered. The mission time cannot be extended. This is the case even if
a service department checks the converter – or in the meantime, the
converter was decommissioned.
Hardware Installation Manual, 06/2020, A5E37800827C AD
= 50×10
1/h
-9
D
according to IEC 62061
D
-5
Power Module PM240P-2
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