Evaluating the safety functions according to EN ISO 13849 when using two switching devices
10.2
Evaluation of "Evaluate"
Result
Result
PL
PFH
D
Average probability of a dangerous
failure per hour
Parameter
PFH
(basic device advanced)
D
PFH
(output expansion)
D
PFH
(coupling relay K
D
AH[n]
Application document for functional safety STO, SS1 (ISO 13849-1)
Compact User Manual, 09/2016, A5E34871844AM
e
5.42 E-09
Component
3SK1121 basic device
3SK1211 output ex-
pansion
)
Article number
Phoenix 2981981
Reason
Derived from the evaluation according to IEC 62061
Value
3.7 E-09
1.7 E-09
2.02 E-11
10.2 Evaluation of "Evaluate"
Definition
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Phoenix Contact
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