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Safety Parameters
Item Standards Performance Level
Safety Integrity Level
IEC 61508 SIL3
IEC 62061 SILCL3
Probability of Dangerous Failure per Hour
IEC 61508
IEC 62061
PFH = 4.04 × 10
-9
[1/h]
(4.04% of SIL3)
Performance Level EN ISO 13849-1 PLe (Category 3)
Mean Time to Dangerous Failure of Each Channel EN ISO 13849-1 MTTFd: High
Average Diagnostic Coverage EN ISO 13849-1 DCavg: Medium
Stop Category IEC 60204-1 Stop category 0
Safety Function IEC 61800-5-2 STO
Mission Time IEC 61508 10 years
Hardware Fault Tolerance IEC 61508 HFT = 1
Subsystem IEC 61508 B
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