Hello Vlad, well that's an interesting question, with RevPi Connect 4 there are switchable terminating resistors for the RS485 interface. This is how they work:
viewtopic.php?p=16547#p16547

Hello everyone, I was thinking of measuring the temperature and then switching on a warning LED from 27 °C onwards - here the Result:
https://youtu.be/xl0AX5nH2fo

The green LED is toggled with each control cycle. The yellow LED indicates that 27°C has been exceeded. The whole thing is controlled ...

Well, CODESYS is a bit of a drama, the easiest thing to do here is to follow the steps in this helpful checklist:
CODESYS Checklist

Hallo Michael,
kannst du uns einen SOS-Report schicken?
https://kunbus-gmbh.atlassian.net/servi ... 2036400208


Danke

Hello tsm can you send an SOS report?
https://kunbus-gmbh.atlassian.net/servi ... 2036400208

Hi RedP, It's strange but maybe the easiest way to get quick access is to reload the image, then you can log in with the default credentials you mentoned ...
https://revolutionpi.com/en/support/downloads#c1069

Hello Wolle, so I have made a litle wiring setup which is the part that is connected to the RevPi AIO Module:

chrome_qp7BWYRLaB.png

The other PINs of the bluesen are then connected in this way:

PIN 1 & PIN 2 - 24V
PIN 8 & PIN 11 - GND


The inputs of the AIO module on the front side are ...

Hallo Matthias,
kannst du uns einen SOS-Report zukommen lassen?

Hallo Mattse122 ich nutze für Screenshots dieses Tool: https://getsharex.com/ dann kannst du z.B. solche Dinge unkompliziert erledigen und anhängen hier wie ein PNG:

Hello Marc, thank you for your detailed description of the error. Which image are you using? Can you post the output from your system?

pi@RevPi57688:~$ ls -la /dev/ttyRS485
lrwxrwxrwx 1 root root 7 Feb 27 15:50 /dev/ttyRS485 -> ttyUSB0
pi@RevPi57688:~$ cat /etc/revpi/image-release
250124-revpi ...