net. An active inverter Internet connection is a prerequisite for this. System data
is transferred.
Fronius Solar
API
The Fronius Solar API is an IP-based, open JSON interface. If it is activated, IOT
devices in the local network can access inverter information without authentica-
tion. For security reasons, the interface is deactivated ex works and must be ac-
tivated if it is required for a third-party application (e.g., EV charger, Smart Home
solutions, etc.).
For monitoring, Fronius recommends using Fronius Solar.web, which offers se-
cure access to the inverter status and production information.
n the event of a firmware update to version 1.14.x, the setting is taken from the
Fronius Solar API. In systems with a version below 1.14.x, the Solar API is activ-
ated; with higher versions, it is deactivated but can be switched on and off via the
menu
Activating the Fronius Solar API
Activate the “Activate communication via Solar API” function in the menu area
“Communication” → “Solar API” on the user interface of the inverter.
Internet services Information regarding connections and the current connection status is dis-
played in this menu. If there are problems with the connection, a short descrip-
tion of the error is displayed.
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