Threading with A B phase only?

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10 years 1 month ago #81019 by Mtndrew77
So the switch is PNP, and I got it all hooked up. I was expected one pulse per rev and instead I got 8. After backing out the sensor ring I confirmed eight slots. So I'm sort of back where I started but I a smaller scale. How do I get 8 pulses down to one?.

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10 years 1 month ago #81027 by andypugh

Mtndrew77 wrote: So the switch is PNP, and I got it all hooked up. I was expected one pulse per rev and instead I got 8. After backing out the sensor ring I confirmed eight slots. So I'm sort of back where I started but I a smaller scale. How do I get 8 pulses down to one?.


Probably the easiest way is to make a 1-slot sensor ring. And possibly swap the proximity sensor for an NPN. They are very cheap on eBay.

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10 years 1 month ago #81041 by Todd Zuercher
For a test you might be able to put a piece of tape over 7 of the slots. And if that works fill them in with something more permanent.

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10 years 1 month ago #81065 by Mtndrew77
Unfortunately for me the sensor ring is also the lock nut that holds the back spindle bearing in. I going to try soldering in the extra holes for now to get it going. Then I can make a new ring. I'll let you know how it all works out.

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10 years 1 week ago #81995 by Mtndrew77
I soldered up the holes and then filed them. It worked beautifully! Thanks for all the help.
I posted some pictures in the show your stuff section

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9 years 8 months ago #87392 by MacGalempsy
How does one go about programming the proximity switch as the index pulse? If the switch covers a range of counts, is it possible to capture the counts on the rising and falling edges, then move to the middle?

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