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<== Date ==> <== Thread ==>

Subject: RE: Cost effective solution for monitoring a large number of temperatures
From: "Jeff Hill" <johill@lanl.gov>
To: "'Josh Stein'" <stein@aps.anl.gov>, "'TechTalk EPICS'" <tech-talk@aps.anl.gov>
Date: Thu, 19 Jan 2006 08:31:52 -0700
Josh,

I remember seeing an interesting talk at ICALEPCS last fall from a guy at
SPRING-8 that was using a power-over-Ethernet based in-house design to
measure temperatures. This wasn't an EPICS compliant system, but being Linux
based it probably could quite easily be modified for use with EPICS R3.14.

Development of a Linux-based small-size controller using PoE technology

http://icalepcs2005.web.cern.ch/Icalepcs2005/Presentations/12oct_Wednesday/W
E1/WE1_3-4O.ppt

Jeff

> -----Original Message-----
> From: Josh Stein [mailto:stein@aps.anl.gov]
> Sent: Thursday, January 19, 2006 8:03 AM
> To: TechTalk EPICS
> Subject: Cost effective solution for monitoring a large number of
> temperatures
> 
> Controls experts,
> 
>   In the undulator hall of the LCLS we expect to monitor (what I
> consider) a large number of temperature points (on the order of about
> 300). My past experience with thermocouples has been local installations
> of between one and eight data points. It would be easy to just scale
> that solution by a factor of 40, but I have to believe there are more
> cost effective solutions.
> 
>   Can anyone with experience in this regard please point me in the right
> direction? I'm looking for hardware that is, of course, EPICS compliant.
> 
> Thanks,
> <josh>



References:
Cost effective solution for monitoring a large number of temperatures Josh Stein

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