TIP: Click on subject to list as thread! ANSI
echo: electronics
to: ROY J. TELLASON
from: JAY EMRIE
date: 2003-02-12 11:11:00
subject: Fan Monitoring?

RJT>RJT>JB>extra components would be needed to get a rate signal from a 2
RJT>RJT>JB>wire fan.

RJT>RJT>JB>it's easist to tap the monitioring terminsl on the fan
PCB. (typically
RJT>RJT>JB>right next to the power terminals)

RJT>RJT>JE> HUH? None of the fans in my computers have EVER had a
fan PCB. Am I 
RJT>RJT>JE> not understanding?

RJT>RJT>Ever take one apart?  :-)

RJT>RJT>There's likely much more than just a simple dc motor in there.

RJT>JE> That "likely" indicates that you "THINK"
but do not "KNOW" for sure 
RJT>JE> that there MAY be more than a simple DC motor in there.

Roy, I normally do not take things apart for salvaging
parts. I usually tear thing apart just to learn what IS
inside and to try to learn how they work. Just never gave
these fans any thought.

TO ALL:
If there is enough interest, I'll take digital pictures of
the disassembled fan and send it to all via an email
attachment. Let me know.

-----------------------snip-----------------


Jay

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