ValueCAN3 hardware from INTREPID CONTROL SYSTEMS, INC already has an API and LabVIEW wrappers supplied by the manufacturer but they seem to have changed their website to make them very hard to find!
Check the online help here: https://cdn.intrepidcs.net/support/neoVIDLL/neoVIDLLhelpdoc.html
It points to the LabVIEW wrappers and example here: https://cdn.intrepidcs.net/support/neoVIDLL/UsingLabVIEW.htm
Troy - CLD
"If a hammer is the only tool you have, everything starts to look like a nail." ~ Maslow/Kaplan - Law of the instrument