Couplers & I/O modules: Item no. 750-1415 8-channel digital input; 24 VDC; 3 ms; 2-conductor connection Item no. 750-1415 8-channel digital 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. 750-1415 8-channel digital input Please wait ... List price per piece* On request Price and availability after Your price per piece* On request PU (SPU): 1 Piece