Couplers & I/O modules: Item no. 750-4378-channel digital input; 24 VDC; 0.2 ms; Low-side switching1 of 4Color: Item no. 750-437 8-channel digital input; 24 VDC; 0.2 ms; Low-side switchingPlease wait ...PU (SPU): 1 PieceAdd to shopping listGenerate DatasheetCompareAdd to WatchlistFind distributorsItem no. 750-437 8-channel digital input; 24 VDC; 0.2 ms; Low-side switchingPlease wait ...PU (SPU): 1 PieceAdd to shopping listGenerate DatasheetCompareAdd to WatchlistFind distributors