Subject:
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Re: Reed sensors are not working very well (or too well?)
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Newsgroups:
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lugnet.org.ca.vlc, lugnet.trains
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Date:
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Thu, 26 Jul 2001 16:37:07 GMT
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Viewed:
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1280 times
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Mario Ferrari wrote:
> "Dean Husby" <nntp@akasa.bc.ca> wrote:
> > [I'm cross posting this to trains just in case anyone has a idea or
> > fix.]
> >
> > I've finished the reed sensors for the Trolley line. Work fantastically!
> >
> > I've also finished the reed sensor for the Hogwarts. Not so good.
> >
> > In my tests I used a single car to test the sensor to make sure the
> > magnet couplers did not set off the sensor while the intended one did.
> > Worked well. Now, however I tried a string of cars and AHHH, when two
> > magnets are together they trip the sensor!
> >
> > Most nasty. I'm attempting to dampen the sensors ability while making
> > sure it works for the intended use...
> >
> > If anyone has any ideas how how to identify a train (amongst others) I'm
> > all ears...
>
> Hi Dean,
>
> where did you put your sensor? In my automated station I used reed sensors
> to tell passenger trains (which have to stop) from freight trains. I cased
> the sensors into hollowed 2x4 bricks and placed them in the side walls of
> the platforms, one for each track. Then I inserted a magnet on the side of
> passenger trains: they trigger the sensors, the magnet couplers don't
> (they're too distant).
I had the sensor in the center of the track on the bottom. Didn't work too
well.
I've since asked that it be moved to the side where it can be triggered via
the side. I'll be doing testing today on that.
Dean
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