[time-nuts] Remotely read power meters

[J. Forster]

They are not like the US meters, but interesting.

BTW, Google Translate works fine on the text and helps a lot.

OTOH, it is hard to see the benefit of such meters to the utility, because
the reader person still has to walk house-to-house.

-John

=====================


> In message <BANLkTi=k9mxbGEWczrM5ZadqjhguAZq5gQ at mail.gmail.com>, "William
> H. Fi
> te" writes:
>
> OK, can we just add a bit of postive here ?
>
> If your meter is anything like the ones we have over here, they have
> a two-way optical port marked "DLMS", "IEC-62056-21" or similar.
>
> Hook up a IR-LED and IR-Photodiode to your serial port, open a
> terminal program with 300,7,EVEN,1 and send
>
> 	/ ? ! CR NL
>
> And marvel at all the data it spews back.
>
> Here is a python class which does the comms for you:
>
> 	https://github.com/bsdphk/PyDLMS
>
> Here is a blog entry in Danish about it:
>
> 	http://ing.dk/artikel/120524-tal-med-din-elmaaler-og-ingenioeren
>
> Enjoy...
>
> --
> Poul-Henning Kamp       | UNIX since Zilog Zeus 3.20
> phk at FreeBSD.ORG         | TCP/IP since RFC 956
> FreeBSD committer       | BSD since 4.3-tahoe
> Never attribute to malice what can adequately be explained by
> incompetence.
>
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