In general, you need the software tools in order to configure a new device on the network or alter an existing device (like the Scanner).
There are a handful of exceptions, like systems built with QuickConnect and the auto-Scanlist feature.
If you're using Rockwell Automation controllers, the software tool is RSNetworx for DeviceNet. If you're using Omron or DeltaV or some other controller, you use their tools.