Update the Device: Right-click on the device icon in the project tree. Select the “Update Device” option. Recompile the Project: After updating the device, recompile the project from scratch to ensure that all changes are included. Check Task Settings: Go to the “Tasks” tab in the project. Check the priority settings for the tasks to ensure they are configured correctly.
Show a simple example of what you're doing. What and where are you changing? Maybe this link will be useful to you" https://content.helpme-codesys.com/en/CODESYS%20Visualization/_visu_using_visu_as_element.html
Maybe try going back to step one and: Var Reg1: WORD; Reg2: WORD; Reg12: DWORD; Value: REAL; end_var // program Reg1:= 4096; Reg2:= 14884; Reg12:= (reg2 * 65536) + reg1; Value:= DWORD_TO_REAL(Reg12);
Or You will need a "RS232/485 TO ETH" converter to connect the PC with ethernet and second side eg RS485 with Modbus RTU. Please note that sometimes USB/RS converters do not work with windows 10 11. You need to make sure and sometimes use older USB/RS winows hardware drivers. Only then try with Codesys Control win on your laptop.
Or Jou will need a "RS232/485 TO ETH" converter to connect the PC with ethernet and second side eg RS485 with Modbus RTU. Please note that sometimes USB/RS converters do not work with windows 10 11. You need to make sure and sometimes use older USB/RS winows hardware drivers. Only then try with Codesys Control win on your laptop.
Select in tree "DEVICE", right-click and select "Update Device" Select "Library manager" and Change the version of the Library (down manualy). Samoetimes "Try reload Library". If you open a project version 3.5.19 in version 3.5.16, there are difficulties.
if Webvisu is active in Laptop - please click ALT F4
Click Visualisation with the left mouse button. Next click right mosue button Select Properties In window select TAB Build and Select "Exclude from Build"