OPC UA Read component is used to read data from OPC UA Server.
In this section you can enter name and description of the component, server's URL and if exist username and password. In addition, you can enter schedule for reading data.
This part allows you to enter the address of data and read it. You can read multiple data by adding ports and entering name and address for each port. Also, you can use Import/Export feature for lightweight way to add output ports.
For each port there is a remote tag browser to add addresses.
Enable/Disable port allows you to read data only when you need it. The port value must be boolean (True or False for enable and disable respectively). By adding input ports you can forward input values as output values. Also, you can use Import/Export feature for lightweight way to add input ports.