I have checked the FAQs and followed the checklist, but there is no specific explanation for a license for using RS485. Also, the Modbus Server doesn't work even in demo mode. It doesn't have a license error. The error for Modbus Server is 'A bus error has occurred' or 'The bus is not working ...

Thank you, Dirk, for the reply, but unfortunately, even the suggested solution didn't help. I'm still coming across these errors

Error_1.png
Error_2.png
Error_3.png

I already have /dev/ttyUSB in /etc/codesyscontrol/CODESYSControl_User.cfg and in Codesys I am using the Port 1.

Also, can you ...

Hello!

I have a RevPi Connect S with the following configurations:
Bullseye (09/2023) (Can't update top the latest version right now due to damaged microUSB port) with updated Pictory to 2.10.0.0
CODESYS Development System V3.5.20.0 Patch3 +
Revolution Pi Library for CODESYS V2.0.0.0 (ID ...