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6.10 Programming in accordance with IEC 61131-3
6.10.1 Opening and creating the POU, creating variables
When you create a project, a Program Organization Unit (POU) with the name “Main” is cre-
ated automatically in the “COMPONENTS” area under “Programs”.
Opening the POU To open a POU, proceed as follows:
• Click on “Programs” in the “COMPONENTS” area and then on “Local”.
• Double-click on the desired POU, for example “Moving_Light_Prog”.
The editor group of the selected POU opens. You are prompted to select the programming
language for the first worksheet of the POU.
Figure 6-21 Selecting the programming language for the first worksheet
Creating a new POU To create a new POU, proceed as follows:
• Click on “Programs” in the “COMPONENTS” section.
• Right-click on “Local”.
• In the context menu, select “Add Program”.
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