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Hi Peter.peterg1000 wrote: Hi Doug,
Now that is really interesting - though my HF350 is proving OK but has a quirk in that it very occasionally fails to start properly when commanded. I just put a 5 second startup delay in the Gcode and stand by the "JC" button if it fails to start correctly.
The problem lies in the very clever, but not foolproof method of synchronising the energisation with rotor position without using Hall effect transducers common in more expensive brushless DC motors.
I would assume that the "Rory VFD Special" is capable of full control via the same interface as the HF350/500. There are lots of Chinese VFD spindles on eBay, but apart from being of dubious quality (they are Chinese after all), they all appear to have only manual controls on the inverter.
Peter
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"I would assume that the "Rory VFD Special" is capable of full control via the same interface as the HF350/500."
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