The USB-6423 shares core I/O capabilities and NI-DAQmx programming API with previous generations of NI multifunction I/O products such as M Series and X Series. In many cases, you can run existing application on the USB-6423 with no or minimal modifications.

The following steps explain the general process for porting an application.
  1. Review specifications and channel count to ensure that the USB-6423 provides enough analog input, analog output, or digital input/output for your application.
  2. Re-wire the system to connect the USB-6423 to your I/O.
  3. Upgrade NI-DAQmx on your system to a version that supports the USB-6423.
  4. Plug in the USB-6423 and run your application using the USB-6423.
  5. Identify and fix any issues.