2TLC172293M0201 Rev A
11
www.abb.com/jokabsafety
2015-03-20
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
Average Diagnostic Coverage
DC
98.80 %
Safe Failure Fraction
SFF
99.30 %
Hardware Fault Tolerance
HFT
1
EC Declaration of conformity
A copy of the EC Declaration of conformity can be found in the Instruction Manual and can also be downloaded from