Re: [AFMUG] OT: Electronic question

[Forrest Christian (List Account)]

Hook the whole thing up to a PLC.  Lots of control then.    😉

On Tue, Sep 6, 2022, 10:18 AM Chuck McCown via AF <af@af.afmug.com> wrote:

> Resistor in parallel will draw more current and perhaps allow the solenoid
> to work.  Those solenoid door bells normally use up almost all of the
> power
> from those class 2 transformers.
>
> -----Original Message-----
> From: dmmoff...@gmail.com
> Sent: Tuesday, September 6, 2022 9:57 AM
> To: 'AnimalFarm Microwave Users Group'
> Subject: Re: [AFMUG] OT: Electronic question
>
> I'm thinking V=IR so if I add resistance to the newer bell would it draw
> more current and trigger the solenoid?  Or would the resistor just be
> turning current into heat?
>
>
> -----Original Message-----
> From: AF <af-boun...@af.afmug.com> On Behalf Of Chris Fabien
> Sent: Tuesday, September 06, 2022 11:41 AM
> To: AnimalFarm Microwave Users Group <af@af.afmug.com>
> Subject: Re: [AFMUG] OT: Electronic question
>
> I think you are correct about the cause of the issue, probably the easiest
> solution is to leave the buzzer in the main circuit, and wire a 24vac
> relay
> in parallel with it, using the relay contacts to close and open the
> circuit
> to the ding-dong bell.
>
> On Tue, Sep 6, 2022 at 10:08 AM <dmmoff...@gmail.com> wrote:
> >
> > I know some of you are really good at this stuff…..
> >
> >
> >
> > I’m in a 95 year old house.  There are two doorbells.  I just replaced
> the
> > front doorbell with a new cheapo from Lowes.  Two chimes and two
> > solenoids.  One solenoid fires when you press the button, and the other
> > fires when you release the button so you get the “ding-dong”.
> >
> >
> >
> > There’s an old doorbell in the back kitchen that sounds like an old
> school
> > bell.  Two coils make the clacker move rapidly back and forth striking
> the
> > bell repeatedly.
> >
> >
> >
> > Well, when I hooked up both the old and new bell at the same time, the
> > school bell goes off when you press the button and the new one just goes
> > “dong” when you release the button.  Either one works fine hooked up
> > separately.  I’m guessing the first solenoid never fires on the new
> > doorbell because the school bell is a way heavier load and takes all the
> > current.  I could just replace the school bell, but I kinda like the
> > nostalgic factor.  And I suppose the other easy answer is put them on
> > separate transformers triggered by the same switch.
> >
> >
> >
> > Is there some simple nerd-gineer answer like “just put a resistor here”?
> >
> >
> >
> >
> >
> > --
> > AF mailing list
> > AF@af.afmug.com
> > http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>
> --
> AF mailing list
> AF@af.afmug.com
> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>
>
> --
> AF mailing list
> AF@af.afmug.com
> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>
>
> --
> AF mailing list
> AF@af.afmug.com
> http://af.afmug.com/mailman/listinfo/af_af.afmug.com
>

-- 
AF mailing list
AF@af.afmug.com
http://af.afmug.com/mailman/listinfo/af_af.afmug.com