From 8:00 AM - 6:00 PM CST on Saturday, April 29, will be undergoing system upgrades that may result in temporary service interruption. We appreciate your patience as we improve our online experience.


(Counter/Timer Device)

5 V, 4-Channel Counter/Timer Device—The PCI‑6601 performs encoder position measurements, event counting, period measurements, pulse-width measurements, pulse generation, pulse-train generation, and frequency measurement. It features four counter/timers, digital debouncing filters, and TTL/CMOS-compatible digital I/O. The PCI‑6601 can perform one high-speed DMA transfer.

Product Support Resources

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

Locate supported instrument drivers and downloads for the product.

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

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