Equipment
Voting
λ
DU
Hours
λ
DU
Years
β
(%)
C
PT
(%)
MT
(Years)
Ti
(YEARS)
PFD
AVG
PFD
AVG
including
C
PT
Pressure Transmitter
E+H PMD70
(FAIL HIGH)
2oo3 5.70E-08 4.99E-04 10
99
15
1 2.52E-05 6.24E-05
Logic Solver
1oo1 1.51E-10 1.32E-06 5
95
20
10 6.61E-07 1.29E-06
Solenoid
1oo2 1.36E-09 1.19E-05 10
84
5
1 5.96E-07 5.36E-06
Final Element
(Actuator & Valve
Assembly)
1oo1 1.29E-07 1.13E-03 0
95
20
1 5.65E-04 1.10E-03
Total
5.97E-04 1.18E-03
RRF
1674
850
Hardware SIL Rating
SIL 3 SIL 2