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I am trying to check how the server will work after PLC power loss.
I am using Controllino MAXI with two tags fully operational with the OPC server trough Ethernet. As a client of OPC server I have connected QuickHMI to create something like small SCADA. Everything is working good. PLC is powered trough USB. When I disconnect the USB (power supply) and return it again – few seconds later the OPC server stop to respond until manual restart.
This is not acceptable because in case of single PLC power loss for a short time full functionality is lost until server is manually restarted.