4-channel LED

The widget described is suitable for operating RGBW lighting from the app. Compared to the widget RGBW lighting, the focus here is specifically on the 4-channel EL2564. Separate values can be assigned to each individual channel, and a common color value can be set using the color palette. The various configuration options are described below. In the figure all available features of the widget are active.

The following illustration shows the color palette that becomes visible by clicking on the color palette icon.

The widget is transferred as a substructure in the overall structure of the SendData() method. To build the widget, various PLC attributes are used when declaring the structure.

{attribute 'iot.ReadOnly' := 'false'}
{attribute 'iot.DisplayName' := 'Name for Widget'}
{attribute 'iot.WidgetType' := 'RGBWEL2564'}
{attribute 'iot.LedRedSliderVisible' := 'true'}
{attribute 'iot.LedGreenSliderVisible' := 'true'}
{attribute 'iot.LedBlueSliderVisible' := 'true'}
{attribute 'iot.LedWhiteSliderVisible' := 'true'}
{attribute 'iot.LedModeVisible' := 'true'}
{attribute 'iot.LedModeChangeable' := 'true'}
stGeneralWidgetSample : ST_RGBWEL2564WidgetSample;

Attribute	Data type	Description
iot.ReadOnly	BOOL	Determines whether the widget on the app side gets only read access (TRUE) or also additional write access to the PLC (FALSE).
iot.DisplayName	STRING	The display name of the widget in the app. This will be overwritten by sDisplayName as soon as sDisplayName is not an empty string.
iot.WidgetType	STRING	Type specification for the widget, in this case: RGBWEL2564.
iot.LedRedSliderVisible	BOOL	Specifies whether the slider is displayed for the red channel (TRUE) or not (FALSE).
iot.LedGreenSliderVisible	BOOL	Specifies whether the slider is displayed for the green channel (TRUE) or not (FALSE).
ioT.LedBlueSliderVisible	BOOL	Specifies whether the slider is displayed for the blue channel (TRUE) or not (FALSE).
ioT.LedWhiteSliderVisible	BOOL	Specifies whether the slider is displayed for the white channel (TRUE) or not (FALSE).
ioT.LedModeVisible	BOOL	Specifies whether the mode is displayed (TRUE) or not (FALSE).
ioT.LedModeChangeable	BOOL	Specifies whether the mode is adjustable (TRUE) or not (FALSE).

TYPE ST_RGBWEL2564WidgetSample :
STRUCT
    sDisplayName      : STRING := '';
    bOn               : BOOL := FALSE;
    nRed              : INT;
    nGreen            : INT;
    nBlue             : INT;
    nWhite            : INT;
    sMode             : STRING := 'Automatic';
    aModes            : ARRAY[0..1] OF STRING := ['Manual', 'Automatic'];
END_STRUCT
END_TYPE

Attribute	Data type	Description	Display in widget
sDisplayName	STRING	Specifies the display name of the widget and overwrites the PLC attribute 'iot.DisplayName'.	Display text of the widget.
bOn	BOOL	Switches the lighting on (TRUE) or off (FALSE).	Toggle switch top right.
nRed	INT	The value for the red channel in the value range from 0 to 32767.	Red colored slider.
nGreen	INT	The value for the green channel in the value range from 0 to 32767.	Green colored slider.
nBlue	INT	The value for the blue channel in the value range from 0 to 32767.	Blue colored slider.
nWhite	INT	The value for the white channel in the value range from 0 to 32767.	White colored slider.
sMode	STRING	Mode of lighting.	The currently displayed mode.
aModes	ARRAY [0..n] OF STRING	Array of the different modes that can be set by the user.	By pressing on the current mode, the adjustable modes can be displayed.