How much does
C
PT
impact
PFD
AVG
?
Equipment
λ
DU
Hours
Ti
(YEARS
)
PFD
AVG
C
PT
MT
(Years)
PFD
AVG
including
C
PT
COMMENTS
Pressure
Transmitter
(FAIL HIGH)
5.70E-08 3 7.49E-04 0.50
15 2.25E-03
SDOO189PEN-1413
Page 47
Based on PROOF TEST 1
Logic Solver
1.51E-10 10 6.63E-06 0.95
20 6.96E-06 IM 32Q01S10-31E
Final Element
(Actuator and
Vale assembly)
9.33E-07 2 8.18E-03 0.50
10 2.45E-02
E112EE
Total
8.94E-03
2.68E-02
RRF & Hardware SIL Rating
112
SIL 2
37
SIL 1