User Manual Owner manual
294 Rockwell Automation Publication 1715-UM001C-EN-P - March 2014
Appendix E PFD and PFH Calculations for a SIL 2 System
Energize-to-action 2-year Proof Test Interval
Table 66 - Energize-to-action 2-year Proof Test Interval
MTTR 10 Hours PTI 2.0 Years Simplex Configuration Duplex Configuration
Cat No.
Series
Firmware
Version
Description
MTBF
λs
λdu
λdd
SFF
tce'
HFT
PFHe
PFDe
STR
β
βd
tce'
tge'
HFT
PFHe
PFDe
Arch
STR
1715-
AENTR
A2.001EtherNet
adapter
dual
module
841,973
7.07E-07
1.67E-08
4.89E-07
93.55%
N/A
N/A
N/A
N/A
N/A
1.0%
1.0%
2.80E+02
1.90E+02
1
5.08E-09
1.52E-06
1oo2D
7.07E-08
1715-
IB16D
A 2.001 16-channel
digital input
module
3,535,791
1.88E-07
1.02E-09
1.44E-07
99.30%
7.14E+01
0
1.11E-09
1.12E-05
3.33E-07
1.0%
0.5%
3.69E+01
2.79E+01
1
8.22E-10
8.88E-07
1oo2D
1.88E-09
1715-
IF16
A 2.001 16-channel
analog
input
module
3,535,791
1.88E-07
1.02E-09
1.44E-07
99.30%
7.14E+01
0
1.11E-09
1.12E-05
3.33E-07
1.0%
0.5%
3.69E+01
2.79E+01
1
8.22E-10
8.88E-07
1oo2D
1.88E-09
1715-
OB8DE
A 2.001 16-channel
digital
output
module
9,677,085
1.22E-07
8.63E-09
3.53E-07
97.61%
2.19E+02
0
8.63E-09
7.92E-05
4.74E-07
1.0%
1.0%
2.19E+02
1.49E+02
1
3.67E-09
8.00E-07
1oo2
1.22E-09
1715-
OF8I
A 2.001 16-channel
analog
output
module
5,446,179
3.56E-07
3.32E-08
4.71E-07
93.42%
5.87E+02
0
3.36E-08
3.00E-04
8.27E-07
1.0%
0.5%
5.87E+02
3.95E+02
1
3.38E-09
6.88E-06
1oo2
3.56E-09