ISPSoft User Manual 15.2 Creating a CFC in ISPSoft 15.2.1 Selecting Objects Objects in the CFC can be selected by clicking the mouse. After selected, users can start to edit, copy, paste and so on. Select an object Move the cursor to the object you’d like to select and click the mouse or use the directional buttons on the keyboard to select objects. The selected object will be in orange; as for unselected objects, they are in white as the image shown below. Select multiple objects Click and drag the mouse to select the area of objects you’d like to select. 15.2.2 Input/Output Nodes and Logic Gates Nodes and logic gates are factors to construct a CFC.
Input nodes can be the variable status of the input origin or the status of the register. The output nodes are the results from the operation of logic gates. The following example illustrates the same program in 2 programming languages, the CFC and LD. Input nodes and output nodes cannot be linked directly; that is why logic gates are needed. 15-6