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Re: Vsita 15P programming question
so when you post...
>That's how almost everyone does it now. It wasn't always so.
you are posting contradicting stuff yourself..
I knew about sentrol..they are about the only one stating there contact as
N.O. switch..
I use them ( the 3/8 inch are so easily concealed on wood door..and the 1
inch or 7/8 are very useful on metal doors and frame..)
"Robert L Bass" <robertlbass@xxxxxxxxxxx> a écrit dans le message de news:
E86dnS6EkY-IwqbeRVn-sg@xxxxxxxxxxxxxx
> "petem" wrote:
>>
>> ... in this industry normal sate is when the switch is
>> at the ready state..so when the door contact is close
>> to its magnet...
>>
>> much easily said then all the bs you post....
>
> You are quite wrong, friend.
>
> Following is a link to a Sentrol product information bulletin on the 1275
> series magnetic contacts. Sentrol is the most popular manufacturer of
> magnetic contacts in the USA. Perhaps you have heard of them. The 1275
> is intended for NC loops. It opens the circuit when the magnet moves away
> from the switch. In the table on the second page you will find the
> electrical configuration of this popular switch. It is labeled as "N.O."
> which refers to the state of the switch without the influence of the
> magnet -- in other words, when the door is open. This is precisely the
> opposite of your erroneous statement.
>
> http://207.173.33.114/products/pdf/1275PIB.pdf
>
> Following is a link to the document describing the 1125, a 3/8" diameter,
> stubby contact which is also extremely popular. You'll notice that the
> designation is, once again, "N.O." which describes the sensor state with
> no magnet around.
>
> http://207.173.33.114/products/pdf/1125PIB.pdf
>
> GRI is another popular manufacturer of magnetic contacts. Following is a
> link to a product document describing their 2020 series switches. The
> 2020-12 is intended for use in a closed loop. It opens when the magnet
> moves away. GRI describes the electrical configuration of the sensor as
> "N.O."
>
> http://www.grisk.com/recessed/pdf/2020-12%20series.pdf
>
> GRI's popular 20RS-12 is another 3/8" stubby press fit, similar to
> Sentrol's sensor. Here's a link to the page on it, which again describes
> the sensor, which is intended for a closed loop, as having an "N.O."
> configuration.
>
> http://www.grisk.com/recessed/pdf/2020-12%20series.pdf
>
> If you need further information on the subject feel free to post again.
> I'd be happy to assist you. BTW, I'm a bit biased in favor of these since
> I sell them (and over a thousand more) in my online store. See the URL in
> my tag line below.
>
> --
>
> Regards,
> Robert L Bass
>
> =============================>
> Ass Home Electronics
> 2291 Plain View Sarasota · Florida · 34231
> 941-123-9747 Sales & Bs Support
> http://www.assburglaralarms.com
> =============================>
yeah I noticed the tag line... ;-)
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