Couplers & I/O modules: Item no. 753-4224-channel digital input; 24 VDC; Pulse extension1 of 5Color: 4-channel digital input; 24 VDC; Pulse extensionPlease wait ...Add to shopping listGenerate DatasheetCompareAdd to Watchlist 4-channel digital input; 24 VDC; Pulse extensionPlease wait ...Add to shopping listGenerate DatasheetCompareAdd to Watchlist