TapHome Control unit (Core) can provide information about devices to other control unit or central building management system. This communication is bi-directional, therefore also devices can receive commands from external environment.
To provide high level of security, you have to enable this feature for specific devices. In Menu → Settings → Expose devices, you can define interface for connecting TapHome with 3rd party systems. Available interfaces:
Modbus RTU (over RS485 wire • Connection established via BUS1, BUS2 or BUS3 terminal on Core unit (https://taphome.com/en)
Modbus TCP (over TCP/IP network • Connection established via LAN cable)