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James P. Hollen
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Join Date: Nov 2006
Location: High Point,N.C. USA
Posts: 185
Good Answers: 1

Switch Requirements

01/31/2008 6:19 AM

OK-I need some help from my fellow CR4 ers. I need a optical? switch that will turn on and off an 120v a.c. motor when I break the beam with my hand. It will be used inside the house. I want it to be a momentary operation. The range of the beam need only be 10 ft. Any suggestions? Thanks-James

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Anonymous Poster
#1

Re: switch requirements

01/31/2008 6:26 AM

http://www.manufacturingtalk.com/news/scb/scb172.html
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pwr2thepeople
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Join Date: Aug 2007
Location: Indiana, USA
Posts: 579
Good Answers: 61
#2

Re: Switch Requirements

01/31/2008 11:12 AM

The safety sensor beam from most garage door openers provides a momentary contact closure. Here's one from Genie. Add a latching relay and your all set.

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ramvinod
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Join Date: Jun 2007
Location: chennai,India
Posts: 592
Good Answers: 19
#3

Re: Switch Requirements

01/31/2008 11:28 AM

Install Photoelectric sensor.On cutting the light the sensor will actuate a relay.the relay will in turn actuate a contactor to switch on a motor.The circuit has to be made and devices to be assembled to achieve the result.

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