Most of the MDPs are older units with no provisions. I'll check into the second idea. Thanks Rod ----- Original Message ----- From: "Micro Eng" To: Sent: Friday, August 30, 2002 8:10 AM Subject: Re: [EE]: Power monitoring > Couple of options... > > First, if your buildings have PDU's in them, the newer ones have the abilty > (by adding a card usually of course) to do network monitoring. > > second choice is to use one of the power monitoring chips, such as Analog > Devices that use either a current sense resistor or current transformer to > get the voltage and current and power readings. Several have SPI interfaces > as well. Pretty slick chips, I have one of thier demo boards and it works > quite well. From there...just interface to a PIC or (gasp) rabbit that has > built in network, and your done..save for some software. > > > >From: Rod Phillips > >Reply-To: pic microcontroller discussion list > >To: PICLIST@MITVMA.MIT.EDU > >Subject: [EE]: Power monitoring > >Date: Fri, 30 Aug 2002 03:38:01 -0500 > > > >Hello to all, > > > >I would like to monitor power to a complex of buildings. Has anyone had > >experience with commercial data logging systems that could be permently > >installed in each building and continuously monitor voltage, current and > >frequency. I would like enough memory to keep the last 48 hours of > >readings, > >with say a 1 second sample rate, and be accessable over a lan connection. > >If anyone has had any experience along these lines I would appreciate their > >input. > > > > > > > > Rod > > > >-- > >http://www.piclist.com hint: PICList Posts must start with ONE topic: > >[PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads > > > > > > > > > _________________________________________________________________ > Join the world s largest e-mail service with MSN Hotmail. > http://www.hotmail.com > > -- > http://www.piclist.com hint: PICList Posts must start with ONE topic: > [PIC]:,[SX]:,[AVR]: ->uP ONLY! [EE]:,[OT]: ->Other [BUY]:,[AD]: ->Ads > > -- http://www.piclist.com hint: The list server can filter out subtopics (like ads or off topics) for you. See http://www.piclist.com/#topics