Chapter 7 Function Block and Library Table of Contents 7.1 Knowing Function Blocks ................................................................ 7-2 7.1.1 Introduction of Function Blocks .................................................... 7-2 7.1.2 Characteristics and Advantages of Function Blocks .......................... 7-3 7.2 Structure of the Function Blocks in ISPSoft .................................... 7-5 7.2.1 En Pin of Function Block .............................................................. 7-5 7.2.2 Symbol Variables in Function Block ...............................................
7-6 7.2.3 Input/ Output Pins of a Function Block .......................................... 7-8 7.2.4 Index Type Symbol Variables ..................................................... 7-14 7.2.5 Function Block Definition and Function Block Instance ................... 7-18 7.2.6 Calling Relation Between Function Blocks .................................... 7-21 7.2.7 Memory Configuration of Function Block ...................................... 7-24 7.3 Using a Function Block ................................................................. 7-32 7.3.1 Basic Specifications for Function Blocks .......................................
7-32 7.3.2 Pulse Instructions for Function Blocks (AH/AS Series ONLY) ........... 7-34 7.3.3 Monitoring the Program in a Function Block ................................. 7-35 7.3.4 Modifying the Program in a Function Block ................................... 7-36 7.4 Instance ....................................................................................... 7-37 7.4.1 Planning a Program .................................................................. 7-37 7.4.2 Creating the Program ............................................................... 7-38 7.4.3 Sample Program for Function (FC) ..............................................
7-48 7.5 Knowing the Library ..................................................................... 7-48 7.5.1 Creating the User-defined Library ............................................... 7-48 7.5.2 Including the Function Blocks in the User Defined Library .............. 7-51 7.5.3 Using Delta Library .................................................................. 7-53 7-1