Hmm… Must be missing a library or something ? I’ve installed pymodbus.
If I just get it to print(r)
Then :
Modbus Error: [Input/Output] Modbus Error: [Invalid Message] No response received, expected at least 2 bytes (0 received)
Traceback (most recent call last):
File “./script.py”, line 54, in
main()
File “./script.py”, line 33, in main
print (r.registers)
AttributeError: ‘ModbusIOException’ object has no attribute ‘registers’