A customer is updating an existing press line and the update changes include switching from OPC-DA to OPC-UA. Their MLC's symbol file is built and loaded with the appropriate variables. They can browse the variables from their MLC (14v20) with UA Test and UAExpert successfully. When they try to browse the symbols with their Simatic WinCC tool they see the end point and connect to it, but then it shows disconnected and they can't browse the symbols. They would like to maintain and use the connection without being disconnected.
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