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&lt;p style=&quot;color:#404040;font-size:200%;font-weight:bold;text-shadow: 0.1em 0.1em 0.1em #B0B0B0;&quot;&gt;PVLng - PhotoVoltaic Logger new generation&lt;/p&gt;

&lt;p style=&quot;width:75%;color:#404040;font-size:140%;font-weight:bold;text-shadow: 0.1em 0.1em 0.1em #B0B0B0;&quot;&gt;A logging and data warehouse system for measuring data of sensors and photovoltaic plants.&lt;/p&gt;

The system acts basely as a data warehouse.

&lt;blockquote&gt;In computing, a data warehouse (DW, DWH), or an enterprise data warehouse (EDW), is a database used for reporting and data analysis. Integrating data from one or more disparate sources creates a central repository of data, a data warehouse (DW). Data warehouses store current and historical data and are used for creating trending reports for senior management reporting such as annual and quarterly comparisons.
&lt;cite&gt;[[Wikipedia:Data warehouse]]&lt;/cite&gt;&lt;/blockquote&gt;

All data will be stored in an very simple and efficient internal structure ([[Database_structure#Measuring_data_storage|readings]]), optimized for data readout of any kind with a well defined [[API]] interface.

== Get started ==

Start with the [[introduction]], [[design and concept]] or [[Quick start]], check [[API]] description or browse [[Special:AllPages|all pages]].

== Supported systems ==

{|
|-
! Data sources !! !! Data targets
|-
|
* [http://www.fronius.com/cps/rde/xchg/fronius_international/hs.xsl/83_ENG_HTML.htm Fronius] inverters with ComCard
* [http://kostal-solar-electric.com/ Kostal] Piko inverters
* [http://kaco-newenergy.com/products/solar-pv-inverters Kaco] inverters (RS485 yet)
* [http://owfs.org OWFS], all sensors
* S0 signals
* Energy meters with D0 according to [http://en.wikipedia.org/wiki/IEC_62056#IEC_62056-21 IEC 62056-21]
* [http://sma.com/ SMA] inverters and Sensorbox via Webbox
* [http://www.wunderground.com/ Weather underground]
* (Open weather map, but Weather undergound is suggested :-)
|| ||
* Alerts as mail or via Twitter
* Mail for statistics
* [http://pvoutput.com PVOutput]
* [http://pv-log.com PV-Log]
* [http://Sonnenertrag.eu Sonnenertrag.eu]
* [https://thingspeek.com ThingSpeek]
* [http://twitter.com Twitter]
* [http://xively.com Xively]
|}

Some of them are described on the [[:Category:Scripts|Scripts]] page.

== Get it ==

The source of the logger system is hosted on [https://github.com/KKoPV GitHub]

The system consists of '''2''' independend repositories
* [[:Category:Web frontend|Web frontend]] and [[API]] in {{PVLngRepo}}
* [[:Category:Scripts|Data acquisition scripts]] in {{PVLngScriptsRepo}}

Please check before [[installation]] the hard- and software requirements.

 A [http://demo.pvlng.com/ demo installation] is available to get a feeling.

== Get support ==
&lt;div style=&quot;float:right;text-align:right&quot;&gt;{{#widget:Twitter Follow Button|user=PVLng_com}}&lt;/div&gt;
* [https://github.com/KKoPV/PVLng/issues PVLng core Issue tracker]
* [https://github.com/KKoPV/PVLng-scripts/issues PVLng scripts Issue tracker]
* If you have problems with the frontend, it would be nice if you [http://supportdetails.com/?recipient=admin@pvlng.com send me] some details about it.

== Help needed ==

* Settings for other distributions than Debian
* Settings for other web servers than Apache and Nginx

== Contribute ==

* For an account to edit articles with [mailto:admin@pvlng.com contact me].
* [http://pvlng.com/Special:UserLogin Login] and write articles.
* All code contributions and bug reports are much appreciated.
** The project is managed with the Git Flow branching model&lt;ref&gt;http://nvie.com/posts/a-successful-git-branching-model/&lt;/ref&gt; and tools&lt;ref&gt;https://github.com/nvie/gitflow&lt;/ref&gt;, so all pull requests '''must always''' target the &lt;tt&gt;'''develop'''&lt;/tt&gt; branch!
** Please use soft tabs (four spaces) instead of hard tabs
** Include commenting where appropriate and add a descriptive pull request message
* [[File:Donate.gif]] [https://www.paypal.com/cgi-bin/webscr?cmd=_donations&amp;business=paypal%40knutkohl%2ede&amp;item_name=Donation+for+PVLng with PayPal]

== Contributions ==
[[Contributions|List]] about used software in PVLng

== License ==

 The MIT License (MIT)
 
 Copyright &amp;copy; 2012-2015 Knut Kohl &lt;github@knutkohl.de&gt;
 
 Permission is hereby granted, free of charge, to any person obtaining a copy
 of this software and associated documentation files (the &quot;Software&quot;), to deal
 in the Software without restriction, including without limitation the rights
 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 copies of the Software, and to permit persons to whom the Software is
 furnished to do so, subject to the following conditions:
 
 The above copyright notice and this permission notice shall be included in
 all copies or substantial portions of the Software.
 
 THE SOFTWARE IS PROVIDED &quot;AS IS&quot;, WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 THE SOFTWARE.
 
 http://opensource.org/licenses/MIT

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