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Forum Index : Microcontroller and PC projects : Distance limitations using a DS18B20

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Benzol
Regular Member

Joined: 07/01/2015
Location: Australia
Posts: 64

Posted: 06:57pm 28 Mar 2016

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Hi All
does anyone know what distance limitations there might be using a DS18B20 in parasitic mode?
cheers

kevyg_101
Newbie

Joined: 19/05/2014
Location: Australia
Posts: 2

Posted: 10:16pm 28 Mar 2016

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I Don't know max distance but I've been running several in parasitic mode over 3 meters lengths of RG-58 coax for just under 12 months with no issues.

There is a Guideline for Reliable Long Line 1-Wire Networks at
"www.maximintegrated.com/en/app-notes/index.mvp/id/148"
Edited by kevyg_101 2016-03-30

Benzol
Regular Member

Joined: 07/01/2015
Location: Australia
Posts: 64

Posted: 12:26am 29 Mar 2016

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Thanks kevyg_101.

that's an interesting site, very useful.
cheers

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