Simultaneous doesn't actually test for power -- it is assumed you know what
your have.
Each DS18X20 has a "power" property that can be quried to see of the sensors
are powered.
Paul Alfille
On 7/28/07, Mark Cheeseman <[EMAIL PROTECTED]> wrote:
>
> Paul Alfille wrote:
> > The sensors must be in the same 'directory', (branch) since that's the
> > only way they can get selected simutaneously.
>
> I'm curious (mainly because I wasted almost a day trying to work out why
> I couldn't get power to a couple of AAG sensors, only to find out they
> had actually fitted them with 18S20P parts, not the 18S20.
>
> Anyhow - what happens when Simultaneous is used on a branch with passive
> parts? Do they try and start a conversion, or do they know not to
> respond because they don't have power?
>
> -Mark
>
>
>
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