Ironically as I was looking through my TED 5000 package this thread came through.<br><br>I am looking to use the TED for data logging for an off grid project, and plan on connecting a computer directly to the Gateway, as the client doesn't have internet access. I hope to use the information for system sizing. Have any of you found the logging to be unreliable?? There is no display involved, and loads are powered by a bit of solar, but mostly generator.<br>
<br>Jay Pozner<br>Nunatak AES<br><br><div class="gmail_quote">On Thu, May 20, 2010 at 1:59 PM, Glenn Burt <span dir="ltr"><<a href="mailto:glenn.burt@glbcc.com">glenn.burt@glbcc.com</a>></span> wrote:<br><blockquote class="gmail_quote" style="margin: 0pt 0pt 0pt 0.8ex; border-left: 1px solid rgb(204, 204, 204); padding-left: 1ex;">
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<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">As you know, the TED uses a Power Line Carrier communications
scheme where data is impressed on the 60Hz AC waveform for distribution
throughout the house. There are many pitfalls in this method of data comms, but
it can be done and be reliable.</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">That being said here is my experience with the TED – I have
the previous generation (1000) in my house and have had it for a few years now.
It works well about 80% of the time. It seems to lose communications with the transducer
in the AC load center when a few different circuits in my house are active –
a 3 bulb under cabinet light in the kitchen for example. It does seem to regain
communications within a half hour of the circuit being turned off.</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">We have a solar customer that installed a 5000 on his house for
an inexpensive net meter monitor. I happened to visit him last week to install
an SMA Sunny Beam with BlueTooth on his inverters. He told me his experience
with the TED was very similar to mine, it would lose communications with the
display at unpredictable times.</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">So reliable? Not in my experience. Inexpensive? Yes.</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">YMMV</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);">-Glenn Burt</span></p>
<p class="MsoNormal"><span style="font-size: 11pt; color: rgb(31, 73, 125);"> </span></p>
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<p class="MsoNormal"><b><span style="font-size: 10pt;">From:</span></b><span style="font-size: 10pt;">
<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>
[mailto:<a href="mailto:re-wrenches-bounces@lists.re-wrenches.org" target="_blank">re-wrenches-bounces@lists.re-wrenches.org</a>] <b>On Behalf Of </b>i2p<br>
<b>Sent:</b> Thursday, May 20, 2010 3:04 PM<br>
<b>To:</b> RE-wrenches<br>
<b>Subject:</b> [RE-wrenches] TED MONITORING</span></p>
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<p class="MsoNormal"> </p>
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<p class="MsoNormal"> </p>
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<p class="MsoNormal">I was intrigued by a previous thread on Google Powermeter
and the TED 5000 and tried to setup on two system.</p>
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<p class="MsoNormal"> </p>
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<p class="MsoNormal"><span>In both cases, they did not
work. I know they were installed correctly and factory support has me
moving wires, getting noise filters, using different branch circuits, etc. In
other word they make it my problem. Their out is "you have too much
noise".</span></p>
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<p class="MsoNormal"> </p>
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<p class="MsoNormal">Who else has given the TED a try and what are your results?
At this point no comment on Google Power meter since I have not gotten to that
point in the setup yet. My suspicion is the TED is not up to speed design
wise. </p>
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<p class="MsoNormal"> </p>
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<p class="MsoNormal"><span>Don Lowerburg</span></p>
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<p class="MsoNormal"><span>Offline Solar</span></p>
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