Am 28.10.2014 um 15:06 schrieb Coudy:
>
> If temperature sensor is powered, then reading is faster compared to
> parasitic power ?
>
No, but it's the only way you can do a simultaneous conversion for all
chips, and this 19 times faster if you have 19 chips.
You cannot do a simultaneous conversion on parasitic power, because all
the chips on the bus start conversion at the same time and draw more
power than parasitic powering can supply. Owfs is aware of that and
refuse to do a simulatenous conversion if one or more temperature
sensors on the bus are parasitically powered (they have a flag
indicating that.)
Oh, and please use a recent version of owfs. IIRC some bugs with the
simultaneous temperature conversion had been fixed lately.
Kind regards
Jan
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