Thread: Mach3 VFD PWM signal...
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29-03-2016 #26
I had a mail back from CNC4YOU today, they supplied the BOB but not the VFD - I presumed my VFD was identical as they are both (supposedly) the standard Huyanyang 2.2kw items.
Their tests revealed that voltage should definitely be measurable when the BOB is connected to the VFD, they even loaded it up a little with a 4k7 resistor and still got the 0-10v ok.
So this issue points to my VFD being a bit iffy - it came from the usual guy on Aliexpress with all my other bits.
Most odd, hopefully it won't damage my BOB?Last edited by Davek0974; 29-03-2016 at 01:06 PM.
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