This function in the 'Project' 'Check' menu searches for memory areas of IEC addresses which are referenced in more than one task⮫ “'Project' 'Check'”. No distinction is made here between read and write access. The output is for example:

%MB28 is referenced in the following tasks :

Task1 – PLC_PRG (6): %MB28 [read-only access]

Task2 – POU1.ACTION (1) %MB28 [write access]

Results are displayed in the message window.