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.
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. 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. So reliable? Not in my experience. Inexpensive? Yes. YMMV -Glenn Burt From: re-wrenches-boun...@lists.re-wrenches.org [mailto:re-wrenches-boun...@lists.re-wrenches.org] On Behalf Of i2p Sent: Thursday, May 20, 2010 3:04 PM To: RE-wrenches Subject: [RE-wrenches] TED MONITORING I was intrigued by a previous thread on Google Powermeter and the TED 5000 and tried to setup on two system. 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". 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. Don Lowerburg Offline Solar
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