Chapter 15 Continuous Function Charts 15.1.3 CFC Programming in ISPSoft When creating a POU, select Continuous Function Chart (CFC) in the Language selection section , then users can see the created program in the project management area. Refer to section 5.4.1 for more information. Below is the editing area for CFC in the ISPSoft. The upper section is for Local Symbols to be declared. And the lower section is for CFC program editing, including the input/export nodes and logic gate. The number on the upper right corner of the object is the execution order. Local symbol table Input node Output node Execution order Logic gate Program editing area 15-3