Couplers & I/O modules: Item no. 750-4084-channel digital input; 24 VDC; 3 ms; Low-side switching1 of 4Color: 4-channel digital input; 24 VDC; 3 ms; Low-side switchingPlease wait ...PU (SPU): 1 PieceAdd to shopping listGenerate DatasheetCompareAdd to Watchlist 4-channel digital input; 24 VDC; 3 ms; Low-side switchingPlease wait ...PU (SPU): 1 PieceAdd to shopping listGenerate DatasheetCompareAdd to Watchlist