Jon,
Does your VFD have provision for an external braking resistor? Might
that help with the over heating?
Ken
On 5/9/2010 6:36 PM, Jon Elson wrote:
Hello, all,
I just added a DAC for spindle speed control to my Bridgeport. For
years, I just had forward and reverse contact closures to the
On Sunday 09 May 2010, Jon Elson wrote:
Hello, all,
I just added a DAC for spindle speed control to my Bridgeport. For
years, I just had forward and reverse contact closures to the VFD and a
manual speed pot. Now, I have a DAC channel from EMC to the VFD. I can
start the spindle with an MDI
Kenneth Lerman wrote:
Jon,
Does your VFD have provision for an external braking resistor? Might
that help with the over heating?
Turns out the VFD was NOT overheating. I finally got suspicious as it
was staying so cool with the fan on it and read several sections of the
manual. The
Hello, all,
I just added a DAC for spindle speed control to my Bridgeport. For
years, I just had forward and reverse contact closures to the VFD and a
manual speed pot. Now, I have a DAC channel from EMC to the VFD. I can
start the spindle with an MDI entry like M03 S2500, but when I try to
