Hallo Decker, bitte schick uns einen SOS-Report an support@kunbus.com:
https://kunbus-gmbh.atlassian.net/servi ... 2036400208

Hello ananda, the easiest way is to install the latest compatible RevPi Bookworm OS, which you can find here in the download area:
https://revolutionpi.com/en/support/downloads#c1069

Hello ptthomps, if you have a hardware revision 1.2 then yes, otherwise no. See excerpt from datasheet:
chrome_4jQLaGs2QG.png

This page describes how to find the serial number. In addition, the revision number: https://revolutionpi.com/en/find-serial-number-and-item-number

You can find the ...

Hello ptthomps, that sounds exciting. You can create such a gateway application with the RevPi Connect 5. This helpful tutorial from our knowledge base can help you and serve as inspiration for your application:
Revolution Pi Gateway Tutorial

Hello KristinH,
okay, sounds strange to me in case "piTest -x" returns permission issues.

Can you install the latest image using the steps from this helpful checklist:
https://kunbus-gmbh.atlassian.net/servicedesk/customer/portal/1/topic/d0c99319-2ea0-47bb-ae20-97a6a31770d7/article/836468748

Then ...

Hello Guest13,
this is nice - a reply with a YouTube video perfectly showing the erroneous behavior. Great!

The host name is RevPi right? This is the default hostname after flashing. But your RevPi device needs to be "married" with the hardware case, which means the device has to be initialized ...

Hello Guest13,I have just activated the VNC server with the current RevPi Bookworm 64-bit OS 01/2025. I did this from the command line as always with:

Hi KristinH,I understand that sometimes the modules show a red PWR LED after a restart. Then a reset driver or “piTest -x” makes it work again, right?There may be a newer version of the kernel and the PiControl driver. Update the system:
https://revolutionpi.com/documentation/getting-started ...

Hello Marc,
thank you for your detailed report of the problem.


Can you share the Modbus configuration with us?
Furthermore, a Kern.log would be interesting to see if there are any further relevant error messages.


Alternatively, send us an SOS report. This gives us a comprehensive overview ...

Hallo Moritz, im Datenblatt des RevPi MIO habe ich folgende Angaben gefunden: