[vz-users] [vz-dev] iskra mt171

[Thorben Thuermer]

On Tue, 08 Jan 2013 14:40:09 +0100
Henry van Gestel <henry.van.gestel at gmail.com> wrote:
> Questions:
> 1)
> Do you know what the datamodel is (name of fields and format) , what 
> schould I sent : timestamp, used KW, produced kw, PV generated KW?
[...]
you have to create a separate channel for each value.
the middleware stores tuples of (channel,timestamp,value).
(both via the api, and in it's sql database.)

> 2)
> Where is the calculating taking place as I sent only status values at 
> that time (every 5 minutes)?

what calculating?
the middleware stores the data as reported,
the frontend loads the data from the middleware,
(i guess a total/average is calculated in the process)
and displays it...

> Henry

- T.

> Op 1/8/2013 8:41 AM, Thorben Thuermer schreef:
> > Hello,
> >
> > so you want to use the middleware/frontend to store/visualize your data,
> > but can't use vzlogger to import it.
> > (the prefered fix would ofcourse be to fix vzlogger to work with your
> >   meter! maybe if you give us the details of how you made it work,
> >   i.e. which timings are critical etc., we can fix hat for you...)
> >
> > but there are two alternatives:
> > - send the data to the middleware API from your script.
> >    the api is quite simple, and documented:
> >    http://wiki.volkszaehler.org/development/api/reference
> >    (in german, if that's a problem, please complain!)
> >    basically all you need is:
> >    http://.../middleware.php/data/<uuid>.json?operation=add&value=<value>
> >
> > - insert the data directly into the middleware's database,
> >    no need to put it into an intermediate database first.
> >    the format is relativey simple, just look at the database
> >    after installing the middleware (and maybe loading the test data).
> >
> > - T.
> >
> > On Tue, 8 Jan 2013 00:35:41 +0100
> > Henry van Gestel <henry.van.gestel at gmail.com> wrote:
> >> Maybe somebody can help me.
> >> I am strugling now how to continue , I am be able to get the data from 2
> >> Iskra MT171 meters .
> >>
> >>> I also can put the data in a Mysql DB wondering what data model is used.
> >>> e.g timestamp, actual value used , actual generated , PV_collected.
> >> A) I wonder where various values like  the avg, max , min is calculated?
> >>
> >> B) Maybe somebody can give me a hint or a detailed description of vzlogger
> >> where and what it is doing.
> >>
> >> Or
> >>
> >> How to let vzlogger get the data from sql stored data or a file.
> >>
> >> Configuration:
> >> I have 2 ir heads (from Udo) connected to Rpi, a perl script reads the 2
> >> heads every 5 minutes, puts data in a mysql dB e.g  fields are (Timestamp,
> >> headnr, PV_produced, normal_tarrif_used, norma_tarrif_produced).
> >>
> >> Rgrds
>