Couplers & I/O modules: XTR Item no. 750-492/040-0012-channel analog input; 4 … 20 mA; Differential input; NAMUR NE 43; Extreme1 of 4Color: Item no. 750-492/040-001 2-channel analog input; 4 … 20 mA; Differential input; NAMUR NE 43; ExtremePlease wait ...Add to shopping listGenerate DatasheetCompareAdd to WatchlistFind distributorsItem no. 750-492/040-001 2-channel analog input; 4 … 20 mA; Differential input; NAMUR NE 43; ExtremePlease wait ...Add to shopping listGenerate DatasheetCompareAdd to WatchlistFind distributors