Couplers & I/O modules: Item no. 750-638/025-0002 up/down counter; 16 bits; 500 Hz; Ext. Temperature1 of 4Color: 2 up/down counter; 16 bits; 500 Hz; Ext. TemperaturePlease wait ...Add to shopping listGenerate DatasheetCompareAdd to Watchlist 2 up/down counter; 16 bits; 500 Hz; Ext. TemperaturePlease wait ...Add to shopping listGenerate DatasheetCompareAdd to Watchlist