BECKHOFF CU8890-0000 - Manual (Page 32)

Software installation
Modification of the network name (SSID)
Note
The modification of the network name (SSID) is not applied until the WLAN
adapter is deactivated and then activated again after changing the name.
Changing the channel without deactivating/ activating is not possible.
Click the button Security Settings to open the security settings window.
Here you can select the designated encryption mode (e.g. WPA-PSK,
suggested) and assign the according key.
The network is not encrypted if you select Open.
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