Hi DarylDominique, thank you for your positive feedback and the solution to the problem.

Hi user123, can you say what might have changed since the Modbus communication stopped working? Can you say what is in the status registers? https://revolutionpi.com/en/tutorials/modbus-tutorial/revpi-compact-als-modbus-rtu-master-verwenden?noredirect=en-US Here is a troubleshooting that is related ...

Hi beusterh, danke für Deine positive Rückmeldung und die Lösung hierfür, das ist klasse!

Hi Ajinkya09, this is unfortunately our drama queen PiCtory ... If it's not all just like it should be then here it goes :roll: Just swap the DIO Module in PiCtory as follows - you have to click on the animated GIF for animation ... next drama ... Don't forget to save and reset the driver ;) chrome_...

Hi Vela1001, this is the more or less new authentication dialogue from CODESYS.
Take a look here at our knowledge base, there is a step where you can watch a little video: Commissioning Modular Gateway EtherCAT with CODESYS -> “Go online for the first time”.

Hi smon, also erstmal danke für die ausführliche Schilderung des Fehlerbildes. Bedeutet „in den zweiten USB-Port des RevPis stecke“ dass die beiden USB Gerät an zwei verschiedene Ports gesteckt wurden? Verwendest Du ein Netzteil > 11V? Ich weiß das hört sich erst einmal seltsam an jedoch steht im Da...

Hi jonaswiberg, you can use a tool that writes and reads out the written image to prove that the eMMC is written correct. For example, you can use balena Etcher for this. Then, if the problem persists, you can use an HDMI monitor and a USB keyboard to check for erroneous behavior during boot and try...

Hi Wiekon, ok jetzt kann ich nur mit Halbwissen dienen - CODESYS mit Python Schnittstelle plus das Beispiel adaptieren der Python-CAN Library? """ This example shows how sending a single message works. """ import can def send_one(): """Sends a single mess...

Hi cedricngonth, möglicherweise hilft das hier:
viewtopic.php?p=7161&hilit=Fehler+5%3A+ ... 8bae#p7140

Hi Peter, ttyAMA0 is the PiBridge and therefore cannot work. "ttyRS485" is a symlink that points to the actual UART. As this UART is only set later during booting, the target must be used. Query can be made with readlink /dev/ttyRS485 i.e. pi@RevPi99988:~ $ readlink /dev/ttyRS485 ttyAMA5