7.1 Programming in Ladder Diagram (LD)
This section explains how to create programs (LD programs) in Ladder Diagram compliant with
IEC 61131-3, the international standard for PLC programming languages.
To create LD programs, POU objects for LD programs are required. Set the object setup
language to Ladder Diagram (LD).
7.1.1 Inserting Contacts, Coils, and Function Blocks
This section explains how to create an LD program that consists of the normally open contact,
coil, and function block TON shown below.
1.
In Toolbox, select Ladder elements>Contact and drag the mouse until "Start here" is
displayed in the main pane.
"Start here" will be displayed in the implementation section.
WUME-GM1RTXOP-01
7.1 Programming in Ladder Diagram (LD)
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