Command board EC-CCB is the command board matched with elevator car top board EC-CTB. Each command board consists of 24 input and 22 output interfaces including 16 floor buttons and 8 function signals. It is in charge of the collection of button command and output of button indicator. The operation demands of 64 floors can be realized through cascading, while the operation demands of main/vice operation cabinet in the elevator car can be realized through parallel connection.
l One per each elevator, the first CCB supports 16 floors. One per 20 floors for floors above 16th;
l Support attendant, independent, bypass switch, attendant commutation and open delay button input.
Installation position: Usually installed inside the elevator control cabinet or the inspection box at the top of the car