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General Mach Discussion / Re: Xhc control card connecting to sangmutan bldc spindle control
« on: August 21, 2016, 05:18:03 AM »
Perhaps I am misunderstanding your setup or what you need to do but as you do not have any Mach3 Enable signals connected I assume your servo's lock their position when power is applied to the machine and freewheel when the power is turned off.
If this is true then I would energize the brake electromagnet (to release it) from the same circuit that supplies the power to the machine - when power to the machine is turned off then the brake is automatically applied. I envisage this to operate totally independent of Mach3.
Tweakie.
If this is true then I would energize the brake electromagnet (to release it) from the same circuit that supplies the power to the machine - when power to the machine is turned off then the brake is automatically applied. I envisage this to operate totally independent of Mach3.
Tweakie.