Couplers & I/O modules: Item no. 750-477 2-channel analog input; 0 … 10 V AC/DC; Differential input Item no. 750-477 2-channel analog input Please wait ... List price per piece* On request Price and availability after Your price per piece* On request PU (SPU): 1 Piece Item no. 750-477 2-channel analog input Please wait ... List price per piece* On request Price and availability after Your price per piece* On request PU (SPU): 1 Piece