PXI Digital I/O Module

64-Channel, ±30 VDC, Sink/Source Inputs, Bank-Isolated PXI Digital I/O Module—The PXI‑6511 is an industrial digital input interface, with eight banks of isolated channels. If a computer or application fault occurs, the PXI‑6511 can use digital I/O watchdogs to switch to a configurable safe output state to ensure detection and safe recovery from fault conditions. Programmable input filters eliminate glitches/spikes and provide debouncing for digital switches/relays through a software-selectable digital filter.

Product Support Resources


Find complete product documentation to learn how to get started and use the product.

Support Library

Explore a wide range of support content, including examples and troubleshooting information.


Network, share, and ask questions with other members of the NI community.