haystack-EquipRelation
Haystack tag dictionary is the addition of the smart equipment
relation (hs:equipRef).
Typically you create an explicit direct relation between
all points that belong to an equipment object and the component in
the station that represents the equipment. Instead, you can use this
smart equip type relation to automatically create an implied relation
between a point and its ancestor if that ancestor has the hs:equip tag applied.
The smart EquipRef relation
implies an hs:equipRef between a Control Point and
the nearest ancestor with the hs:equip tag. This
relation is not implied on a Control Point whose proxy extension is
the NullProxyExt. This relation is not implied on a Control Point
if the point already has a direct hs:equipRef relation.