Beckhoff EL28 Series Documentation page 98

Commissioning
Fig. 82: Sample program with variables after a compile process (without variable integration)
The control program is now created as a project folder, followed by the compile process:
Fig. 83: Start program compilation
The following variables, identified in the ST/ PLC program with "AT%", are then available in under
"Assignments" in the project folder explorer:
Assigning variables
Via the menu of an instance - variables in the "PLC" context, use the "Modify Link..." option to open a
window for selecting a suitable process object (PDO) for linking:
98 Version: 2.2 EL28xx-xxxx