Proficy Machine Edition Getting Started, GFK-1868H

Logic Developer - PCInstruction List EditorINSTRUCTION LIST EDITORIL logic is one of four languages specified by the IEC 61131-3 standard. The ILeditor is an easy-to-use, intelligent, free-form text editor for editing IL blocks in theMachine Edition environment. With the IL editor, you can work on a disk copy ofan instruction list (offline) or monitor the execution of an IL block running in theController (online). You can also configure the appearance and behavior of theeditor under the Options tab of the Navigator.Instruction ListNavigator: Project tabIL block nodesIL is a low-level language composed of basic and advanced Math instructions thatexecute sequentially from top to bottom. IL blocks can also contain labelsproviding entry points for program execution. In its simplest form an IL can:1. Load a data value (operand) into the accumulator.2. Perform an operation on the accumulator, saving the result in the accumulator.3. Store the accumulator’s value to memory (a variable).4. Do another accumulator load or operation, etc.Want to know more?In the Help Index, look up “IL” and choose “IL Editor”.To open an IL block for editingIn the Project tab of the Navigator, under the Logic folder or under a userdefinedfolder, double-click an IL block node.Your IL block opens in the IL editor.To create a new IL block1. In the Project tab of the Navigator, right-click the Logic folder or a user-defined folder point to New,and select Instruction Language.2. (Optional) Enter a name for the new IL block and then press ENTER.Your new IL block appears as a child node of the Logic folder or a user-definedfolder.NOTEIL blocks can be executed only when called as Actions from an SFC.GFK-1868HMachine Edition 5.50 45