Quote Originally Posted by dcrowder View Post
Hi All,

Can anyone point me to some clear information (or offer me some) regarding wiring my VFD to the BOB for speed control with Mach3? I've got one of the HuanYang VFD's for a 2.2Kw spindle. The BoB is a DB25-1205.

I've seen relays mentioned but I've not found anything concrete yet.

Dave
I don't think the BOB has the capability to control the spindle speed or indeed has any relays on it.