Bus coupling units with BCU2

The flush-mounted bus coupler is the interface between the Instabus and the user module, e.g. push button sensor, info display, continuous regulator, data interface etc. The bus coupler can receive, send and evaluate telegrams. It contains the address, the system program and user-specific programs. Release of the programming of the physical address by pressing the programming button. Status indication by red programming LED. Only suitable for flush-mounted wall boxes with screw attachment.