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This document shows how to start PLC AX programming in the IEC61131-3 Overview standard with the Delta DIADesigner-AX programming software based on CODESYS.
The differences between Program(PRG), Function (FUN) and Functions Block(FB) are explained as well as the data types BOOL, Integer Data Types, REAL/LREAL,STRING, WSTRING, Time Data Types, Data Type LTIME
Another point that is explained is how to configure the PLC Hardware and use the Trace (Data Graphs).