Centroid Community CNC Support Forum

I would love to connect a differential encode to the spindle and use the mpu11 encoder input but i still have the same problem getting the true spindle dro to read rpm. the problem being I don't know how to map the ( a ) encoder input on the mpu11 to the mach3 true spindle dro. or how to convert the...

Can someone please tell me how to get my rpm for my spindle to work through my ajax hardware using a cnc4pc index pulse card!!!! I currently have the card hooked to input 14( dp4 ) on my dc3iob I have a brain written that takes that input ( mod 14 with bit only checked ) and then it terminates at sp...

I'm trying to use the feed per rev g code and to do that I need to hook up true spindle speed. I'm using a cnc4pc index pulse card. Do you know how to hook that up to the ajax mpu11 and have mach3 use it for the spindle speed dro. I could really use the help. Thanks.

I have a R2E3 Bridgeport and I fitted a cnc4pc index pulse board to the top of the spindle the card shows a pulse and i've checked it with a fluke multi meter and the htz changes with the speed and the output voltage is aprox 5v. I tried connecting it to mach 3 via the db25 parallel port pin # 15 wi...