Programming in Instruction List (IL) Tip IL can be enabled in the CODESYS options if required: In the FBD, LD and IL dialog, on the IL tab, select the Enable IL option. Creating POUs in the Instructio
Monitoring When your application is running on a controller or as a simulation and you open a programming object in the development system, the current values are displayed there. This allows you to m
Testing and Debugging For more information see: CODESYS Development System : Testing and Debugging Writing and forcing You can write variables one time in online mode or force them permanently to a pr
Reference: Programming Table 4 . General Functionalities in Graphical Editors The implementation part of the graphical editors for FBD, LD, CFC, and SFC contains a toolbar in the lower right corner: R
Element: Network Symbol: A network is the base unit of an FBD or LD program. In the editor, the networks are arranged in a list. Each network is provided with an incremented network number on the left
FBD/LD/IL Element: Box Symbol: A box and its call can represent additional functions, for example IEC function blocks, IEC functions, library function blocks, or operators. A box can have any number o
FBD/LD/IL Element: Assignment Symbol: The FBD editor displays a recently inserted assignment as a line with three question marks after it. The LD editor displays a recently inserted assignment as a co
FBD/LD/IL Element: Box with EN/ENO Symbol: The element is available only in the FBD and LD editors. The box generally corresponds to the Box FBD/LD/IL element, but this box also contains an EN input a
FBD/LD/IL Element: Input Symbol: The maximum number of inputs depends on the type of box. A recently added input is first marked with ??? . You can replace the ??? string by a variable or a constant.
