QES Senior Member Location California Sep 10, 2007 #1 Know any type of VFD with direct connection to analog sensor?
ptonsparky Tom Location NE (9.06 miles @5.9 Degrees from Winged Horses) Occupation EC - retired Sep 10, 2007 #2 Even the cheapest ones I have used have 4-20ma and/or 0-10v analog input terminals.