Couplers & I/O modules: Item no. 750-4012-channel digital input; 24 VDC; 0.2 ms1 of 4Color: Item no. 750-401 2-channel digital input; 24 VDC; 0.2 msPlease wait ...PU (SPU): 1 PieceAdd to shopping cartGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigureItem no. 750-401 2-channel digital input; 24 VDC; 0.2 msPlease wait ...PU (SPU): 1 PieceAdd to shopping cartGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigure