Siemens SIMATIC S7-1500 Function Manual page 221

OPC UA communication
9.3 Using the S7-1500 as an OPC UA server
6. In the "Import XML file" field, select an XML file that describes an information model.
The "Using OPC UA companion specifications (Page 206)" section describes how to
create such an XML file with the SiOME tool.
The figure below shows a section from the information model:
"IMM_MANUFACTURER_0123456" an instance (use) of the type
"IMM_MES_InterfaceType" which was defined by Euromap 77 . "InjectionUnit_1" is an
instance of the "InjectionUnitType" type of Euromap 77.
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Function Manual, 11/2019, A5E03735815-AH
Communication