Couplers & I/O modules: Item no. 753-4522-channel analog input; 0 … 20 mA; Differential input1 of 4Color: Item no. 753-452 2-channel analog input; 0 … 20 mA; Differential inputPlease wait ...PU (SPU): 1 PieceAdd to shopping listBuy via Distributor eShopGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsItem no. 753-452 2-channel analog input; 0 … 20 mA; Differential inputPlease wait ...PU (SPU): 1 PieceAdd to shopping listBuy via Distributor eShopGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributors