Couplers & I/O modules: Item no. 753-424 2-channel digital input; 24 VDC; Intruder detection1 of 4Color: Item no. 753-424 2-channel digital input Please wait ... Price and availability after LoginPluggable connector: pluggable PU (SPU): 1 PieceAdd to shopping listBuy via Distributor eShopGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigure Item no. 753-424 2-channel digital input Please wait ... Price and availability after LoginPluggable connector: pluggable PU (SPU): 1 PieceAdd to shopping listBuy via Distributor eShopGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigure