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As mentioned in our previous post, we we stuck. We had a 3rd party module which were clearly communicating with the meter through RS232. We knew the hardware interface, but we had no idea about the protocol… In pure desperation we opened a support ticket with the current owner of the technology – NES (Networked …

Continue reading “Echelon/NES Smart Meters – NES to the rescue”

www.sommerhack.dk 2020 renewed our interest in communicating with our Echelon meter. During a session by Thomas Ljungberg Kristensen, WelcomeSecurity (https://www.welcomesecurity.net/) the different possibilities and the legislation was briefly covered and he inspired us to push harder to get some kind of access. If you are following these posts, can read Danish and have a Smart …

Continue reading “Echelon/NES Smart Meters – the secret interface”

This will be a multi part post as we spent the last year in collecting all the pieces of the puzzle to connect to and get data from our Echelon Type 83331-3IAAD meter. Like others trying to do this, we hit a lot of “red tape”, lack of knowledge from involved partners, confusions and even …

Continue reading “Echelon/NES Smart Meters – the beginning”