Inverters › Growatt › SPA 1-3KW Single Phase AC-Coupled Inverter
SPA 1-3KW Single Phase AC-Coupled Inverter
SPA 1-3KW Single Phase AC-Coupled Inverter
Growatt
SPA3000-TL-BL
Automations Cloud bypass MQTT API Read via cable Real time Setting control
Overview › RS232

RS232 WiFi port

A USB serial cable can be plugged into WiFi RS232 port located on the bottom of the inverter. This is a normal USB serial cable available from most electronic stores.

Deye RS232 DB9 cableSPH RS232

Steps in SolarAssistant

On the configuration page, select "Growatt" as your inverter model.

Select Growatt inverter model

Devices connected via USB will show up. Select all ports that are Growatt inverters.

Select Growatt SPF USB ports

Click connect:

Select connect

Parallel installations

With Growatt inverters you will need to connect each inverter with its own cable.