13.2.7 Applied Instruction Structure .................................................... 13-22 13.2.8 Function Block Structure .......................................................... 13-23 13.2.9 Blank Statement .................................................................... 13-25 13.2.10 RETURN Statement ................................................................. 13-25 13.2.11 EXIT Statement ...................................................................... 13-26 13.3 Create a Structured Text in ISPSoft ........................................... 13-27 13.3.1 ST Editing Environment ...........................................................
13-27 13.3.2 Edit Structured Text ................................................................ 13-28 13.3.3 Insert API and Function Blocks ................................................. 13-29 13.3.4 Bookmark ............................................................................. 13-31 13.4 Example of a Structured Text ..................................................... 13-32 13.4.1 Explanation ........................................................................... 13-32 13.4.2 Planning Hardware.................................................................. 13-32 13.4.3 Planning a Program.................................................................
13-32 13.4.4 Creating a Program ................................................................. 13-33 Chapter 14 Sequential Function Charts 14.1 Knowing Sequential Function Charts ............................................ 14-2 14.1.1 Structure of a Sequential Function Chart ..................................... 14-2 14.1.2 Principle of a Sequential Function Chart ...................................... 14-3 14.2 Sequential Function Chart in ISPSoft ........................................... 14-4 14.2.1 Steps and Actions ....................................................................
14-4 14.2.2 Transitions ............................................................................. 14-7 14.2.3 Simultaneous Divergence and Divergence of Sequence Selection .... 14-9 14.2.4 Simultaneous Convergence & Select Convergence ....................... 14-10 14.2.5 Jump .................................................................................... 14-12 14.2.6 Qualifier of an Action .............................................................. 14-15 14.2.7 Initial Step ............................................................................ 14-21 14.2.8 Internal Property ....................................................................
14-22 14.3 Create SFC in ISPSoft ................................................................. 14-32 14.3.1 Editing Environment................................................................ 14-32 14.3.2 Creating and Managing Actions and Transitions ........................... 14-34 x