Couplers & I/O modules: Item no. 750-4122-channel digital input; 48 VDC; 3 ms1 of 4Color: Item no. 750-412 2-channel digital input; 48 VDC; 3 msPlease wait ...PU (SPU): 1 PieceAdd to shopping listBuy via Distributor eShopGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigureItem no. 750-412 2-channel digital input; 48 VDC; 3 msPlease wait ...PU (SPU): 1 PieceAdd to shopping listBuy via Distributor eShopGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigure