Detail of Goods: q series PLC main substrate q312b product specification details number of I / O modules installed 12 Extensible: extensible available modules] Q series modules DC5V internal current consumption 0.13a mounting hole size M4 screw hole or 4.5 holes (for M4 screws) accessories mounting screws M4 14, 4 DIN rail mounting adapter sold separately DIN rail mounting adapter type q6din1 Relevant models QH series controller qd75mh2 communication module qj71mt91 Mitsubishi speed counting module qd62-h01 Mitsubishi output module qy40p-ts output module qy40p communication module qj71lp21s-25 q series controller q172cpun QH series controller qd75mh4 I / 0 hybrid module qx41y41p