leopard@raspberrypi:~ $ groups
leopard adm dialout cdrom sudo audio video plugdev games users input render netdev lpadmin gpio i2c spi
also i did full update&upgrade
after i select the show errors of node that is the output of it "Modbus Failure On State sending Get More About It By Logging"
When do you see the connected and reconnecting status?
You might be better to use the modbus getter or flex getter rather than the read node. Then you can trigger when you want to get data, and it can be easier to analyse when it does not work. I assume that you only have one modbus read node.
The groups look ok.
I presume you mean update and full-upgrade.
sudo nano /boot/cmdline.txt
can this effect on it
I don't know, but I do know that once again you have not answered the questions. There is no point me trying to help if you don't answer questions.
i fix my problem by upgrade the system raspberry os From 32bit to 64bit !
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