Couplers & I/O modules: Item no. 750-4324-channel digital input; 24 VDC; 3 ms; 2-conductor connection1 of 4Color: 4-channel digital input; 24 VDC; 3 ms; 2-conductor connection LoginPlease wait ...Add to shopping listGenerate DatasheetCompareAdd to Watchlist 4-channel digital input; 24 VDC; 3 ms; 2-conductor connection LoginPlease wait ...Add to shopping listGenerate DatasheetCompareAdd to Watchlist