Couplers & I/O modules: Item no. 753-4024-channel digital input; 24 VDC; 3 ms1 of 4 4-channel digital input; 24 VDC; 3 msPlease wait ...PU (SPU): 1 PieceAdd to shopping listGenerate DatasheetCompareAdd to Watchlist 4-channel digital input; 24 VDC; 3 msPlease wait ...PU (SPU): 1 PieceAdd to shopping listGenerate DatasheetCompareAdd to Watchlist