This optional PCB enables interfacing towards home automation and building management systems via REST API (locally or via the cloud) or ModBus TCP (locally). Both are possible via Ethernet or Wi-Fi.
You also need this PCB to be able to use the Duco Installation App.
More info via connectivity.duco.eu
Register via connectivity.duco.eu to access the Public Cloud API. Here you will also find all information about the Local API and ModBus documentation.