ABB Orion1 Base - Page 37

2TLC172287M0201 Rev B 37 www.abb.com/jokabsafety
2015-09-17
Functional safety data
EN ISO 13849-1:2008
PL e, Cat 4
EN IEC 61508-1:2010
EN IEC 61508-2:2010
EN IEC 61508-3:2010
EN IEC 61508-4:2010
SIL 3
EN IEC 62061:2005/A1:2013
SIL CL 3
Prob. of Dangerous Failure/Hour (1/h)
PFH
d
2.64 x10
-9
Life span (years)
T1
20
Mean Time to Dangerous Failure (years)
MTTF
d
444