The CBK01 is used for signal processing of all signals from car- and landing-panels of an elevator. It has 8 inputs and 8 outputs for the connection of call-buttons or other operation- and signal-buttons of the panels. Additional there are two serial interfaces for the controlling of floor indicators or voice announcements of Kronenberg available. A signaler for the acustic acceptance is integrated.
The extension board CBE01 will further supply each 8 in- and outputs. Up to 16 extension-boards can be connected to a CBK01.