
Rockwell Automation Publication 1791ES-UM001G-EN-P - November 2016
157
Safety Data
Appendix B
1732ES-IB8XOB8
Single Channel Inputs
1
8760
2.32E-06 5.38E-10
6.813E-06
16.75
2
17520
4.63E-06
5
43800
1.16E-05
10
87600
2.33E-05
20
175200
4.69E-05
1732ES-IB8XOB8 Dual
Channel Inputs
1
8760
5.51E-07 1.35E-10
2
17520
1.11E-06
5
43800
2.78E-06
10
87600
5.64E-06
20
175200
1.16E-05
1732ES-IB8XOB8
Single Channel
Outputs
1
8760
2.95E-05 6.75E-09
2
17520
5.91E-05
5
43800
1.48E-04
10
87600
2.95E-04
20
175200
5.91E-04
1732ES-IB8XOB8
Dual Channel Outputs
1
8760
5.62E-07 1.38E-10
2
17520
1.13E-06
5
43800
2.84E-06
10
87600
5.75E-06
20
175200
1.18E-05
1732ES-IB16
Single Channel Inputs
1
8760
2.32E-06 5.38E-10
6.526E-06
17.49
2
17520
4.63E-06
5
43800
1.16E-05
10
87600
2.33E-05
20
175200
4.69E-05
1732ES-IB16
Dual Channel Inputs
1
8760
5.51E-07 1.35E-10
2
17520
1.11E-06
5
43800
2.78E-06
10
87600
5.64E-06
20
175200
1.16E-05
(1) Single channel output mode is only valid for applications with Process Safety Times ≥ 600msec OR with Demand Rates ≤ 1
Demand per Minute.
(2) Mission time for all modules is 20 years.
(3) Calculated based on ISA TR-84 method.
(4) Mean Time to Failure (Spurious).
Table 66 - Failure Rate Data (failures per hour)
(1)
Cat. No.
I/O Configuration
λ
S
λ
DD
λ
DU
1791ES-OB8XOBV4
Single Channel Inputs
7.8343E-07
7.5766E-07
5.5089E-09
Dual Channel Inputs
1.1786E-06
1.1552E-06
2.6384E-10
Dual Channel Outputs
1.7205E-06
1.7009E-06
3.0765E-10
1791ES-IB16
Single Channel Inputs
7.8024E-07
7.5356E-07
5.5087E-09
Dual Channel Inputs
1.1760E-06
1.1519E-06
2.5974E-10
Cat. No.
Proof Test Interval
(Mission Time
(2)
)
PFD PFH
(1/hour)
Spurious
Trip Rate
(STR)
(3)
MTTF
Spurious
(4)
(years)
Year
Hour
Содержание 1732ES-IB12XOB4
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Страница 38: ...38 Rockwell Automation Publication 1791ES UM001G EN P November 2016 Chapter 2 About the Modules Notes ...
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