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09-07-2017 #11
Last Activity: 02-10-2024
Try the attached spreadsheet (I use LibreOffice if you don't have excel)
Just enter the desired spindle speed in cell A4 and it will calculate the inverter frequency and contactor to energise.
That logic needs put into a Brain using Mach3 DRO 169-Cmd SpindleRPM as the desired frequency.
It uses an inverter frequency up to 100 hz and assumes the manual adjuster is set to 1.5 * motor speed, so for the 1400 speed it's set to 2100 RPM then the inverter will take it to 4200 RPMLast edited by EddyCurrent; 09-07-2017 at 09:36 PM.
Spelling mistakes are not intentional, I only seem to see them some time after I've posted
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