5.4.5 Exporting POU Program................................................................ 5-24 5.4.6 Importing POU Program ............................................................... 5-25 5.4.7 Exporting Function Block POU ....................................................... 5-26 5.4.8 Importing Function Block POU ....................................................... 5-27 5.5 Task Management ............................................................................ 5-28 5.5.1 Setting Task Description and Condition for Interruption .................... 5-30 5.5.2 Configuration of POU ...................................................................
5-36 5.5.3 POU Order ................................................................................. 5-37 5.6 Example ........................................................................................... 5-39 5.6.1 Programming TASK and POU ........................................................ 5-39 5.6.2 Example of an Interrupt Subroutine in a DVP Series PLC ................... 5-43 5.6.3 Examples of AH5x0 Series Interrupt Programs ................................ 5-49 Chapter 6 Symbol Variables 6.1 Introduction of Symbols .................................................................... 6-2 6.1.1 Application of Symbols and Creation of Identifiers ..............................
6-2 6.1.2 Symbol Variable Classification ......................................................... 6-3 6.1.3 Data Types ................................................................................... 6-6 6.1.4 Symbol Variable Address Allocation and Initial Value ........................ 6-14 6.1.5 Indirect Assignment and Modification for Register Symbol Variable ..... 6-17 6.1.6 Bit Operation of Symbol Variable (Only AH/AS Series ) ..................... 6-19 6.2 Symbol Variable Management in ISPSoft ......................................... 6-21 6.2.1 Symbol Variable Table .................................................................
6-21 6.2.2 Adding Symbol Variable ............................................................... 6-23 6.2.3 Principles of ARRAY or STRING Symbol ........................................... 6-28 6.2.4 Modify Symbol Variables and Edit Symbol Table ............................... 6-32 6.2.5 Remove Symbol Variable Allocated Address ..................................... 6-33 6.2.6 Downloading the Initial Values of the Symbols ................................. 6-34 6.2.7 Export Symbol Table ................................................................... 6-36 6.2.8 Importing a Symbol Table ............................................................
6-37 6.2.9 Arranging the symbols ................................................................. 6-40 6.2.10 Filtering the Symbols .................................................................. 6-41 6.2.11 Device Resource Allocation Setting ............................................... 6-42 v