Frequently Asked Questions

How can you manually make a selection between route 1H and 2H if you have selected IEC61508‚Äč?
Last Updated a year ago

This depends on the equipment selected. If you are selecting from the SERH, the tool will account for this for you based on the source of the data. If you input a user defined device, there is a place to indicate if Route 1H or 2H applies.
Depending on how the SIF is modelled, tool determines if each sensor or final element group is Route 2H compliant. This is shown in the group details in SILver. Please see the attached slides which explain in more detail.
https://support.exida.com/file.php?key=yvrflhmycqzjko74uspvhvzfuk7fosmi&expires=1568937600&signature=bacb3921b03418d1de7d0a3a4bc3e698b2611f67

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