Couplers & I/O modules: Item no. 750-14234-channel digital input; 24 VDC; 0.2 ms; Low-side switching; 3-conductor connection1 of 4Item no. 750-1423 4-channel digital input; 24 VDC; 0.2 ms; Low-side switching; 3-conductor connectionPU (SPU): 1 PieceAdd to shopping cartGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigureItem no. 750-1423 4-channel digital input; 24 VDC; 0.2 ms; Low-side switching; 3-conductor connectionPU (SPU): 1 PieceAdd to shopping cartGenerate DatasheetDownloads as zipCompareAdd to WatchlistFind distributorsConfigure