Rockwell Automation Publication 1734-UM013N-EN-P - September 2017 205
Safety Data Appendix D
Series B Safety Data
Figure 68 - PFD vs. Proof Test Interval 1734-IB8S Series B Single Channel
Figure 69 - PFD vs. Proof Test Interval 1734-OB8S Series B Single Channel
(1)
1.00E-07
1.00E-06
1.00E-05
1.00E-04
1.00E-03
1.00E-02
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PFD
Proof Test Interval [years]
PFD vs Proof Test Interval 1734-IB8S Series B - Single Channel
(1) 1734-OB8S single channel mode is only certified for functional safety applications with Process Safety Times ≥ 600 msec OR with Demand Rates ≤ 1 Demand per Minute.
1.00E-07
1.00E-06
1.00E-05
1.00E-04
1.00E-03
1.00E-02
0123456789101112131415161718192021
PFD
Proof Test Interval [years]
PFD vs Proof Test Interval 1734-OB8S Series B - Single Channel
(1)
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