NI 9421 | 783734-01
Spring Term, 24 V, 100 µs, 8-Ch Sinking DI Module
 
The NI‑9421 (783734-01) works with industrial logic levels and signals to connect directly to a wide array of industrial switches, transducers, and devices. Each channel is compatible with 24 V logic levels and has an LED indicating the state of that channel. The NI‑9421 offers isolation between the input channels and earth ground.
 
SKU: 783734-01