Couplers & I/O modules: Item no. 750-4034-channel digital input; 24 VDC; 0.2 ms1 of 4Color: Item no. 750-403 4-channel digital input; 24 VDC; 0.2 ms LoginPlease wait ...PU (SPU): 1 PieceAdd to shopping listGenerate DatasheetCompareAdd to WatchlistFind distributorsConfigureItem no. 750-403 4-channel digital input; 24 VDC; 0.2 ms LoginPlease wait ...PU (SPU): 1 PieceAdd to shopping listGenerate DatasheetCompareAdd to WatchlistFind distributorsConfigure