6 Safety Manual
37
Lambda Dangerous Undetect:
λ
DU
Rate of undetected dangerous failures per hour
Lambda Safe:
λ
S
Rate of safe failures per hour
Lambda Safe Detect:
λ
SD
Rate of detected safe failures per hour
Lambda Safe Undetect:
λ
SU
Rate of undetected safe failures per hour
BPCS
Basic process control system
DC
Diagnostic coverage
FIT
Failure in time (1x10
-9
per h)
HFT
Hardware failure tolerance
PFD
Probability of failure on demand
PFD
avg
Probability of failure on demand average
PFH
Probability of dangerous failure per hour
MooN
Architecture with M from N channels
MTBF
Mean time between failures
MTTR
Mean time to restoration (mean time between discovery of the fault and repair of the
system)
MRT
Mean repair time (mean time to repair the system)
SFF
Safe failure fraction
SIL
Safety integrity level
SC
Systematic capability
PTC
Proof test coverage (diagnostic coverage during repeat test)
T
i
Proof Test intervall
Name
Description
Содержание dTRANS T06
Страница 16: ...3 Mounting 16 3 Mounting 3 1 Dimensions...
Страница 18: ...3 Mounting 18 3 4 Dismounting Place screwdriver in release catch and press upwards 1 Remove housing upwards 2...
Страница 30: ...5 Startup of the device 30 Here is a summary of the parameters from the figure above...
Страница 31: ...5 Startup of the device 31...
Страница 40: ...6 Safety Manual 40 0 0 6 6 0 0 6 6 7 0 0 6 0 0 6 0 0 6 0 0 6 8...
Страница 59: ...6 Safety Manual 59...
Страница 79: ...8 Device info 79...
Страница 103: ...12 What to do if 103...
Страница 104: ...13 Certificates 104 13 Certificates SEBS A 093409 14 V1 0...
Страница 110: ...13 Certificates 110...
Страница 111: ......