It is assumed that basic concepts of OPC UA information modelling, Remote IO for Factory Automation [RIO FA] and Remote IO for Process Automation [RIO PA] are understood in this document. This document will use these concepts to describe the Remote IO Information Model. For the purposes of this document, the terms and definitions given in OPC 10000-1, OPC 10000-3, OPC 10000-4, OPC 10000-5, OPC 10000-7, OPC 10000-100, … as well as the following apply.

Note that OPC UA terms and terms defined in this document are italicized in the document.