If you are looking for information on the IVL2-7/5 VFD I’m guessing that you have struggled to find a good location with all the info in one spot. Well look no further because I have done the looking for you (well it was really “I needed it for me” but…) and all the datasheets and information to make them work is here.
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IVL2-7/5-VFD Datasheet Page 1
IVL2-7/5-VFD Pinout