Couplers & I/O modules: Item no. 750-1420 4-channel digital input; 24 VDC; 3 ms; 3-conductor connection1 of 4 Item no. 750-1420 4-channel digital input Please wait ... Price and availability after Login PU (SPU): 1 PieceAdd to shopping listBuy via Distributor eShopGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigure Item no. 750-1420 4-channel digital input Please wait ... Price and availability after Login PU (SPU): 1 PieceAdd to shopping listBuy via Distributor eShopGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigure