Identical hierarchical sheets with busses assign wrong netclasses

[paulvdh]

I took the liberty to edit your post and put the bus labels in a “Preformatted text” section, because this forum software maims your text and shows three dots instead, and that won’t work wiith KiCad.

Buses though hierarchical sheets do work, but they are a bit finicky to use. In the post below, I posted an example with a bus connecting though a hierarchy (also to two instances of a single sheet).

Where is the documentation for how to define a bus in 6.x?

I’ve been playing a bit more with these buses. If you have a bus with named members, then you can right click on the bus, and choose “Unfold from Bus” and select a name from the list, and I think this is new in KiCad V6. [image] I’ve also added some aliases to my example, and grouped them under the name “BBUUSS”. And these aliases can be used as a separate bus, or as a part in a group bus. Note the: Music.Gretl name. The example is just two instances of a hierarchical sheet, connected on th…

If you’re still stuck after that, you can zip up your project (or a simplified version of it) and post it here, and there will be several people willing to have a look at it and give some advice.