Need clarity on opc ua server and opc ua client
问题 I would like to create an application for industrial automation to do the following functionalities: Read values from PLC, SCADA, and DCA Process those values and notify failures to Supervisor and Technician I am new to the Industrial Automation industry and IoT, and I knew that we have OPC UA in place to rescue. I came across many websites and youtube videos to understand OPC UA and its predecessors (OPC DA, OPC A&E, OPC HDA). And I have installed matrikon OPC server and explorer (client) to