Common problems with Beckhoff TwinCAT - how to handle Error starting TwinCAT System when clicking the run button? AdsWarning1823

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The general prompt is as follows





Click Device, and then select the network card that is currently connected to


Generally, it is caused by not installing the realtime capable device after reinstalling the system, so the device that supports EtherCAT cannot be found. Simply reinstall the supported network card. If it still does not work, delete the original scanned device and scan again.