Beckhoff EL3783 Documentation page 69

Commissioning
TwinCAT 3: the properties of the EtherCAT device can be opened by double click on "Device .. (EtherCAT)"
within the Solution Explorer under "I/O":
After the installation the driver appears activated in the Windows overview for the network interface
(Windows Start → System Properties → Network)
Fig. 75: Windows properties of the network interface
A correct setting of the driver could be:
Fig. 76: Exemplary correct driver setting for the Ethernet port
Other possible settings have to be avoided:
EL3783 Version: 1.1 69