Hello,

I found almost 500 documents on the internet archive;
https://archive.org/search?query=modbus&tab=texts
When you use the look inside link on the page, it will show over 30000 results.

Bertus

 

Wow, what a find. I had no idea there was a repository like this.

Maybe I should upload the hundreds I've looked through over the years for helping out on this forum.

Thanks for letting us know.