P
art
no
.:
669879
/ S
ta
tus:
19
.07.
2012 E
9
10 Glossary
10.1 Terms from DIN EN ISO 13849
Abbreviation Meaning
MTTF
D
Mean Time To Dangerous Failure
DC
avg
Average Diagnostic Coverage
CCF
Common Cause Failure
PL Performance
level
10.2 Terms from DIN EN 61508
Abbreviation Meaning
SIL
Safety Integrity Level
HFT
Hardware Failure Tolerance
SFF
Safe Failure Fraction
MooN
M out of N architecture
PFH
Probability of a Dangerous Failure per Hour
FMEDA
Failure Mode, Effects and Diagosis Analysis
λ
sd
Rate for safe detected failures
λ
su
Rate for safe undetected failures
λ
dd
Rate for dangerous detected failures
λ
du
Rate for dangerous undetected failures
DC
s
Diagnostic coverage of safe failures
DC
d
Diagnostic coverage of dangerous failures
FIT
Failure In Time (1 FIT = 1 failure / 10
9
hours)
MTBF
Mean Time Between Failure
MTTF
Mean Time To Failure
MTTR
Mean Time To Repair
Содержание HLT 1000 Analog
Страница 2: ...Mat Nr 669876 Stand 19 07 2012 D 2 ...
Страница 10: ...Mat Nr 669879 Stand 19 07 2012 D 10 11 CE Konformitätserklärung ...
Страница 11: ...Mat Nr 669879 Stand 19 07 2012 D 11 12 TÜV Zertifikat ...
Страница 14: ...Part no 669876 Status 19 07 2012 E 2 ...
Страница 22: ...Part no 669879 Status 19 07 2012 E 10 11 CE conformity declaration ...
Страница 23: ...Part no 669879 Status 19 07 2012 E 11 12 TÜV Certificate ...