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CHAPTER 2 APPLICATION OF PROGRAMMING
2
2.12 Programming Language
2.12 Programming Language
Programming tools support the following programming languages.
• Ladder
• Structured text
•SFC
• Structured ladder
(1) Ladder
A graphical programming language used for contacts and coils. For a project with a label, the inline ST function
can be used in the ladder editor which allows a user to edit structured text programs.
Data indicating the execution status of an operation in a sequence program step is referred to as "signal flow".
(2) Structured text
A text language such as C language, and is preferred by computing engineers.
(3) SFC
A graphical programming language where the execution order and conditions are clearly defined for the program.
(4) Structured ladder
A graphical programming language that is used contacts and coils.
For the projects that support these programming languages, refer to the following.
Manual for the programming tool used
T0
X0
X1
X41
M0
K100
T0
Y30
BIN K4X10 D0
FROM H5 K0 D10 K1
Sequence instruction
Basic instruction
Application instruction
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