Great, let me take a look!
Btw. the xr_serial driver was not part of my Raspberry PI Linux OS, so I have just used the driver from this repository:
https://github.com/enlyze/xr-usb-serial
I found a solution this evening and want to share it here for the case someone stumbles of the same issue.
For USB-to-serial conversion, a Exar Corp. XR21B1411 UART is put on each of my SPF6000 inverters.
The Linux running on my R-PI was using the CDC_ACM driver for this converter devices...
Hello,
I have recently upgraded my 3 phase system from Growatt SPF 5000 to 6000 and I am happy with the inverters.
BUT I cannot access the status registers of the inverters via Modbus/USB anymore.
I am using a simple python script with the pymodbus client for testing at the moment, like...