NUMERISCHE STEUEREINRICHTUNG

摘要

In a numerical control apparatus comprising a control unit having a master card and a plurality of slave cards, the master card of the control unit transmits a read address signal code, a card name large classification code, and plural card identification address information to slave cards as a check address signal and the slave cards send back card name small classification code and plural card number code to the master card in response to the check address signal, so that the master card can identify the types of the slave cards and the order of the same type cards in the slave cards.