Couplers & I/O modules: Item no. 750-14224-channel digital input; 24 VDC; 3 ms; Low-side switching; 3-conductor connection1 of 4 4-channel digital input; 24 VDC; 3 ms; Low-side switching; 3-conductor connectionPlease wait ...PU (SPU): 1 PieceAdd to shopping listGenerate DatasheetCompareAdd to Watchlist 4-channel digital input; 24 VDC; 3 ms; Low-side switching; 3-conductor connectionPlease wait ...PU (SPU): 1 PieceAdd to shopping listGenerate DatasheetCompareAdd to Watchlist