When the drawing is rotated you can actually see the sensors are offset so one
looks at the tooth and one at the slot between.
That spacing gives you 180 degree phasing. You want 90 degree, so when
one sensor sees an edge, the other should see the centre of a tooth or
slot. It's an easy mistake to make. I see your drawing allows for plenty
of adjustment so you would have been able to fix it anyway.
Les
On 29/06/2021 23:09, John Dammeyer wrote:
Thanks Les,
You can't quite see it in the photo but there's even an arc slot inward a tad
to serve as the index. So a total of 3 slotted sensors are sitting on my desk.
This was the overly complex plan A. When the drawing is rotated you can actually see the sensors are offset so one looks at the tooth and one at the slot between.
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