Joel,
Are you going to use a spindle mounted encoder to orient the spindle for the tool holder locking lugs or
are you planning on another method?
Thanks!
Keith
The current plan is to use the built-in encoder on the spindle motor with the stock FREQROL-SF VFD Drive.
The original FREQROL-SF VFD had a SF-DA (Speed Reference and Magnesensor Card) to interface with stock MELSAS CNC Controller and stock Magnesensor. Since the MELDAS CNC controller is being replaced with a Mach3 PC, this SF-DA interface card has been removed from the FREQROL-SF VFD SF-CA mother board and the Magnesensor will not be used.
To date I have successfully removed the SF-DA card and updated the jumper settings and parameters on the SF-CA mother board to test the unit in a Stand-Alone Mode. Using simple dip switches to test and interfaced to an old wire-harness, I can take the unit out of eStop to charge up the DC Bus and turn on the spindle fan, enable to unit, run forward/reverse, and adjust the speed with a 10K potentiometer.
The same wire-harness has connections for spindle orientate switches and its position location is configurable with parameters on the FREQROL-SF VFD mother board. I have not prototyped up the connections or studied the parameters to test. I am hopeful that this will work… I need to get a large block of time allocated to fully study this and test at one time.
Thanks
JH