Here is a tutorial to show you how to add EDS Files.
Open the EDS Hardware install Tool.
Click the Add Button.
You can Register all the EDS files from a directory but not just select one by one.
Click the Browse button.
Choose the folder and OK.
次へ>.
The EDS Files that inside the folder path you set in the previous step are installed.
Choose your Ethernet/IP Devices icon and 次へ>.
A Summary to show which devices are installed.
次へ>.
Finished.