This has truly restored access to the dev/ttyRS485 and dev/ttyRS485-0 interfaces. I sincerely thank you for your dedicated support throughout. Wishing you a wonderful day ahead.

Hi,
I sincerely apologize for not being able to attach the file directly. Due to its large size, I couldn't send it via email, so I’ve uploaded it to Google Drive. Please kindly download it using the link: <redacted>
I will send to your email (support@kunbus.com). I look forward to your response ...

Hi Nicolai,
I have attempted to enable the RS485 terminal without success. Could you please confirm whether RS485 functionality on the CAN X2 is not supported on model 100419?"
Thanks

Hi,
It here: pi@RevPi144913:~$ uname -a
Linux RevPi144913 6.6.0-revpi6-rpi-v8 #1+deb12+1 SMP PREEMPT_RT Wed, 27 Nov 2024 14:13:38 +0000 aarch64 GNU/Linux
Thanks you so much!

Hi,
This is some information of your require:
pi@RevPi144913:~$ ls -l /dev/ttyAMA*
crw-rw---- 1 root dialout 204, 64 Jul 4 17:49 /dev/ttyAMA0
crw-rw---- 1 root dialout 204, 74 Jul 7 08:05 /dev/ttyAMA10
pi@RevPi144913:~$ ls -l /dev/ttyRS485*
ls: cannot access '/dev/ttyRS485*': No such file or ...

Dear Dirk,

I am currently using a RevPi Connect 5 configured as a Modbus RTU slave, while a Raspberry Pi 5 acts as the Modbus master, connected via USB RS485 to the X2 RS485 expansion port on the RevPi.

I have followed all available instructions to enable the RS485 terminal function on the RevPi ...