It is assumed that basic concepts of OPC UA information modelling from OPC 10000-1, OPC 10000-2, OPC 10000-3, OPC 10000-5, OPC 10000-6 and OPC 10000-7 are understood in this document. This document will use these concepts to describe the OPC 40568-1 Information Model. For the purposes of this document, the terms and definitions given in the documents referenced in the OPC Core documents and OPC 40160 apply.