Create a "Standard project" and select CODESYS Control Win V3as the device.
Define the target system by means of theNetzwork scan.
Create a structure named st_Demo. with the elements Name and Status:
Insert a visualization in the device tree. Then the Visualization Manager is inserted with the visu types TargetVisuandWebVisu. In addition, a VISU_TASK is also created automatically.
Adapt the POU PLC_PRG as follows:
Declaration
VAR
astDemo : ARRAY [0..2] OF st_DEMO := [(Name := 'Item 1', Status := FALSE),
(Name := 'Item 2', Status := FALSE),
(Name := 'Item 3', Status := FALSE)];
iRow : INT;
END_VAR
Implementation
// no implementation
In the Visualization, set an element of type Table and configure the element as follows:
Start the project and open the internal visualization. The value is negated by clicking the corresponding cell in the Status column:
As an extension, the texts replaced by symbols as follows: