The following diagram shows how the families used in LOPA are related to one another.
Note: In the diagram, boxes represent entity families and arrows represent relationship families that are configured in the baseline database. You can determine the direction of the each relationship definition from the direction of the arrow head: the box from which the arrow originates is the predecessor, and the box to which the arrow head points is the successor.
The Has LOPA relationship between Hazards Analysis Consequence and LOPA is used only if you create or link a LOPA with a Consequence in Hazards Analysis.
Apart from the families shown in the data model, the following families are also used in LOPA to populate certain fields in datasheets:
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