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Topic: Photoeye sensor (Read 953 times) previous topic - next topic

I need to set up a system that can count the number of times that something is passing between it. The application is a part counter on a conveyor belt. Can I somehow use one of the Allen Bradley 24Vdc photoeyes or is there a different way to go about it?

Thank you,

AWOL

Quote
Can I somehow use one of the Allen Bradley 24Vdc photoeyes or is there a different way to go about it?
I don't see why not, provided you take appropriate precautions.
"Pete, it's a fool looks for logic in the chambers of the human heart." Ulysses Everett McGill.
Do not send technical questions via personal messaging - they will be ignored.

Pauly

Is this what you are referring to?
http://www.gatestore.com/gate_parts/index.php?main_page=product_info&products_id=661

Seems pricey at $320.
I would try a range finder first.  You can use these to measure the distance to a known object.  If the distance is shorter, then an object is passing buy.
http://www.pololu.com/catalog/product/136
Of course there may be other considerations like how fast the conveyor belt is moving, etc...

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