I am setting up a test stand that needs to communicate and control devicenet MFC (Mass Flow Controllers). I am looking for sample VI code to handle this task
The NI-Dnet driver is separate from the NI-CAN driver. You can download it at Driver and Updates >> Current Versions page. The driver installer will include the software driver for the hardware, of course, and the language interface language files for C and LabVIEW as well as the examples.