BECKHOFF FC9001-0010 - Manual (Page 21)

Installation
Chose a real time capable network card and click on the Install button.
Now the TwinCAT System Manager installs the TwinCAT driver for real-time Ethernet and the TwinCAT
Ethernet Protocol for the chosen device.
Operation of the TwinCAT drivers for real-time Ethernet requires no digital signature from Microsoft.
Beckhoff has thoroughly tested this driver in conjunction with the supported hardware and has verified
compatibility with Windows 2000 and XP.
Click Yes to continue with the rest of the installation.
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