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Author Topic: Optical limit switch question  (Read 2810 times)

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Offline Psad

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Optical limit switch question
« on: September 05, 2006, 04:43:58 PM »
I want to use slotted optical limit switches on my little Sherine.
Plan is to mount sensors fix with slot open when machine in the clear, break slot when limit is hit.
I plan to pull input to 5v with the recommended 470 ohm resistor.

Looking at physical limit arrangements i think i should feed each sensor into an AND circuit.
Limit is high if slot is clear on both +limit "AND" -limit.
Am I correct. 
Re: Optical limit switch question
« Reply #1 on: September 05, 2006, 08:10:58 PM »
That shoudl work... I have never done that so please tell us how it works if you do it :)
Fixing problems one post at a time ;)