Beckhoff EL6731 - Fig. 35 Ethercat Device Properties(Twincat 2): Click on Compatible Devices; Fig. 36 Windows Properties of the Network Interface

Parameterization and commissioning
EL6731 55Version: 2.8
Fig.35: EtherCAT device properties(TwinCAT2): click on „Compatible Devices…“ of tab “Adapter”
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.36: Windows properties of the network interface
A correct setting of the driver could be: