The powerspectrum plugin

Available since version: 0.10.0

Author: Christian Mayer

Description

The powerspectrum plugin and widget creates a graph to show the power spectral data that the Enertex Smartmeter can send on the KNX bus.

Settings

For a general understanding of how the configuration files are structured and what elements and attributes are it is recommended to read this section first: visu-config-details.

The behaviour and appearance of the powerspectrum plugins can be influenced by using certain attributes and elements. The following tables show the allowed attributes and elements and their possible values. The screenshots show, how both can be edited in the editor.

Attributes underlined by ..... are mandatory, all the others are optional and be omitted.

Allowed attributes in the powerspectrum-element

Element	Attribute
	Name	Content	Description
powerspectrum	type	string	Select the type of the powerspectrum by entering “current” or “voltage”.
	showlegend	true or false	Boolean value to display a legend.
	singlephase	true or false	Boolean value to select the view of only a single phase.
	spectrumonly	true or false	Boolean value to show only the spectrum and not the curve as well.
	limitname	string	Display name for the limit curve. Used in the legend.
	limitcolor	string	Color for the limit line.
	name1	string	Display name for the first phase.
	color1	string	Color for the first phase.
	name2	string	Display name for the second phase.
	color2	string	Color for the second phase.
	name3	string	Display name for the third phase.
	color3	string	Color for the third phase.

Attributes in the editor (simple view) [1]

Allowed child-elements und their attributes

Element	Attribute
Structure	Name	Content	Description
powerspectrum layout	colspan	decimal	Amount of coloumns this widget sould be wide.
	colspan-m	decimal	Overrules the amount of coloumns on a medium screen.
	colspan-s	decimal	Overrules the amount of coloumns on a small screen.
	rowspan	decimal	Amount of rows this widget should be high.
	x	string	Horizontal position of the widget for 2D pages.
	y	string	Vertical position of the widget for 2D pages.
	z	string	Reserved for future use.
	width	string	Width for the widget for 2D pages.

Element	Attribute
Structure	Name	Content	Description
powerspectrum label icon	name	string
	type	string
	flavour	string	Selection of a display variant. See also :ref:’flavour’.
	color	string
	styling	string
	class	string	Add this value to the CSS class so that it can be formated by a user provided style sheet.
powerspectrum label #text		string	Text to display a label for the widget.

Element	Attribute
Structure	Name	Content	Description
powerspectrum address	transform	string
	mode	disable, read, write or readwrite
	variant	string
	format-pos	decimal
powerspectrum address #text		string	The GA (like: 12/0/7) for KNX-backends or the item name for openHAB-backend

Elements in the editor

Examples

It is possible to manually edit the visu_config.xml and add an entry for the powerspectrum plugin.

Caution

Make sure that you only use UTF-8 encoded characters by settings the encoding in your XML-editor to UTF-8 mode!

Footnotes

[1]	The simple view might not show everything. To see all elements/attributes use the expert view.