ADT-8948 is a 4 axis cnc control card, it passed CE, Controller card ... ) or double pulse (pulse + pulse)All the 4 axes have position(coder) feedback input; 32-bit counting; maximum counting range:2,147 ... limitReceive signals from servo motor drive, e.g. coder Z-phase signal, in-position signal, alarm signal, etc>Each axis has 3 ...