Interfacing USB-850x With NI Real-Time Controllers

Updated Aug 8, 2023

Reported In


  • USB-8501
  • USB-8502
  • PXI Controller
  • CompactRIO Controller
  • CompactDAQ Controller



Operating System

  • LabVIEW Real-Time (NI Linux Real-Time)
  • VxWorks

Issue Details

I have a cRIO-9066 running NI Linux Real-Time OS. I would like to connect my USB-8502 CAN Interface Device to the USB Device Port on the cRIO and use the CAN nodes in my Real-Time VI. Is it supported?


USB-850x CAN interface devices require NI-XNET driver. Although the NI-XNET driver is compatible with Linux RT, VxWorks and Phar Lap OS, USB-850x devices are only compatible with Windows based systems. So you cannot connect a USB-850x to the USB port of a PXI, CompactRIO or a CompactDAQ controller running a Real-Time Operating System.