If you are an authorized installer, log into the Growatt Online Smart Service (OSS) platform to access the latest version in the download center.
Connect the RS485 A and B terminals from the inverter's communication port to the corresponding A and B inputs on your USB-to-RS485 adapter. shinebus growatt download
Open the Windows to find which COM Port number has been assigned to your USB serial device (e.g., COM3). Inside ShineBus, locate the connection settings panel. Set the COM Port to match your Device Manager. If you are an authorized installer, log into
Authorized installers can use ShineBus to flash updated hex firmware files directly onto the inverter's control board. If you are an authorized installer