That would imply en existence of display/usb outputs…

We’re essentially talking a bunch of embedded devices talking to each other. You can give them all the dns entries you want, but if they (or the programming environment) don’t support DNS lookup you might as well put your dns server in excel.

For that to work industrial devices have to support DNS in the first place…

I don’t think I’ve ever seen one of those “American style” ground units in Europe. They all look like the one in the picture and are predominantly wall or roof mounted.