zeroerrors / solarmon Goto Github PK

Running 100% I had to change unit number ..

In growatt.py typo in errors
30: 'AV V Outrange',
should be
30: 'AC V Outrange',

Hi

I have got a growatt SPF-5000TL, I run the script on the Raspberry,

I receive a syntax error
File "solarmon.py", line 23
print('Setup InfluxDB Client... ', end='')
^
SyntaxError: invalid syntax

and when commenting out " print('Setup InfluxDB Client... ', end='')" and print('Setup Serial Connection... ', end='') I I can get past the error, but receive the following error, I have double check that the RS485A and RS485B pins are correct as per Growatt inverter as well that I can see /ttyUSB0 as the device to use.

Loading inverters...
Traceback (most recent call last):
File "solarmon.py", line 47, in
growatt = Growatt(client, name, unit)
File "/home/pi/solarmon/growatt.py", line 58, in init
self.read_info()
File "/home/pi/solarmon/growatt.py", line 63, in read_info
raise row
pymodbus.exceptions.ModbusIOException: Modbus Error: [Input/Output] Modbus Error: [Invalid Message] Incomplete message received, expected at least 2 bytes (0 received)

Any assistance will be greatly appreciated.
Thanks Dawie

Hi!

I'm having issues getting "solarmon" to connect to my inverter. Have tried some other projects from github - https://github.com/Heleen/growatt-reader, and that one works. It seams to me that both projects uses same Python3 module - ModbusSerialClient.

As "solarmon" has the InfluxDB and Grafana integration, I'd like to further debug what's the issue here.

PVKeeper says that the CPU version is 503.08 - I guess that's the firmware.

What steps should I take to further debug the error?

(I think there's so output given saying error 5...)

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View the update logs.

Is possible to add more values from PV hrowatt SPH? Which registry and how?
Thank you.

It might be useful/dangerous to have a write to register option. I'm thinking here where you might want to change the operation mode based on Time-of-Use settings - i.e. set to battery when peak cost and then switch to grid priority when low cost

Hi,
Thank you for this software. I use it for some weeks now and works fine.

1. The growatt protocol has been updated to v3.15 and now supports string voltage & current (registers 70-88) for newer inverters. This should be rather easy to implement in growatt.py but it also needs grafana dashbord update.
2. Could you add support for multiple inverters (i.e. unit 1, unit 2 etc)?