“Search for Mapped Instances”

Searches in GVLs and PRGs below the current application for instances of the mapped OPC UA types which have already been declared

The search result is displayed in the list.

Note: Instances in the “POUs” view and in libraries are not taken into consideration.

“Create New Instance”

Opens the “Create New Instance” dialog to select the IEC type for which a new instance should be generated

Instances can be generated for the POUs which have been created in the OPC UA information model editor from OPC UA types. These instances can be used in POUs in the application.

Requirement: In the OPC UA information model editor, the “Generate IEC declarations” command has been executed after mapping the OPC UA types to the IEC types.

“Root Node”

Selection of directories or the object instance of the server which is displayed on the OPC UA Client for publishing the instances

The list box depends on the applied OPC UA companion specification.

Tabular list of generated instances:

“OPC UA Variable”

Variable which has been generated as an instance of an OPC UA type

This variable can be published in an OPC UA Client.

You can edit the displayed name.

“OPC UA Type”

OPC UA type of the “OPC UA Variable”

“Map or Generate”

“IEC Variable”

Full variable name

“IEC Type”

IEC type of the IEC variable

“Access Rights”

Note that an OPC UA Client may have read/write access the OPC UA variable.

In the function blocks, the access rights to the variables can be changed by attributes which can also be read from the XML file if necessary.

Reading and writing

“Maximal”

Maximum possible permissions for the OPC UA variable