RE: [Xml1-wire-devel] New hub design, request for input

[David S. <dav...@da...>]

> The problem is that if you have multiple DS2433's, especially if they are
> associated with multiple DS2409 branches, you can't tell which DS2433 is
> associated with which branch.

If the tag on the DS2433 contains the 1-Wire Address's
of the DS2409's then it can be anywhere.  I would prefer
to have it not down a branch so that you could
know what a branch is before opening it.

Dave


> -----Original Message-----
> From: xml...@li...
> [mailto:xml...@li...]On Behalf Of Byron
> K. Appelt
> Sent: Wednesday, January 17, 2001 6:06 PM
> To: 1-wire TAG list
> Subject: RE: [Xml1-wire-devel] New hub design, request for input
>
>
> The problem is that if you have multiple DS2433's, especially if they are
> associated with multiple DS2409 branches, you can't tell which DS2433 is
> associated with which branch. Requiring that the DS2409 be
> switched insures
> that you know this. BTW, I am all for having a DS2433 or at least
> space for
> one, on the aux branch.
>
> Byron K. Appelt
> Universal Vinculum Incorporated
> http://www.vinculum.com
>
>
> > -----Original Message-----
> > From: xml...@li...
> > [mailto:xml...@li...]On Behalf Of Jac
> > Kersing
> > Sent: Wednesday, January 17, 2001 5:16 PM
> > To: Bruce Boyes
> > Cc: xml...@li...
> > Subject: Re: [Xml1-wire-devel] New hub design, request for input
> >
> >
> > On Sun, 14 Jan 2001, Bruce Boyes wrote:
> >
> > > Naturally we'd want to include tagging ability, perhaps a
> > DS2433 on the aux
> > > branch of each DS2409. Then the main branch output is the
> > active branch of
> > > OneWire devices. Then you can tell for sure that the tagging
> > 2433 you are
> > > reading is definitely the correct one since it's the only
> > device on the aux
> > > output.
> >
> > What about adding a DS2433 on the main bus? That way there's no need to
> > address the DS2409 to get to the tagging information. Being able to read
> > the configuration information for the first layer of the 1-wire net
> > without switching DS2409 to AUX branch seems easier.
> >
> > > Alternatively, if you use both 2409 outputs as switched
> > branches, then you
> > > get twice as many but the tagging is not quite so clean. If the
> > 2433 was on
> > > each output, then it's hard to tell if the 2433 you are reading is the
> > > tagging 2433 of this 2409 or some other 2433 on the branch.
> >
> > If the tagging contains the 1-wire address of the 2409 that
> shouldn't be a
> > problem. And having both main and aux available would be very nice. That
> > way one of the 2409 could be used as a door controller. If aux isn't
> > available one would have to use a second 2409 main also for
> this purpose.
> >
> > > The branches would have pluggable screw terminals, maybe also RJ12s
> > > for the maximum of flexibility.
> >
> > Please add RJ12s for easy connection of blue dots, 8x1wire etc.
> >
> > Regards,
> >
> > Jac
> >
> > --
> >  Jac Kersing            Technical Consultant   The-Box Development
> >  j.k...@th...                         http://www.the-box.com
> >
> >
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