I curious about 28X1, read manual info say 17 outputs but I counted all are 16 outputs, not surely maybe me wrong, where is 17 outputs? 16 outputs can make code for out all which leg pin are 11, 12, 13, 14, 15, 16, 17, 18, 21, 22, 23, 24, 25, 26, 27, and 28 mean total 16 outputs not 17 outputs...