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General Mach Discussion / Re: What would be the best sensor method to detect spindle speed?
« on: March 08, 2017, 04:31:34 AM »
Hi Michael,
Series relay sounds good but you may also need to use a shunt (unless the relay coil can handle the spindle motor current). Another approach may be to use a current transformer to drive the relay.
Tweakie.
Series relay sounds good but you may also need to use a shunt (unless the relay coil can handle the spindle motor current). Another approach may be to use a current transformer to drive the relay.
Tweakie.