2.10
Programming Language
The following programming languages are supported in the programming tool.
• Ladder
• ST
• SFC
• Structured ladder
(1) Ladder
A graphical programming language which uses 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 an ST program.
X0
T0
X1
X41
Data indicating the execution status of an operation in a sequence program step is referred to as "signal flow".
(2) ST
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 uses contacts and coils.
Remark
For the projects that support these programming languages, refer to the following.
Manual for the programming tool used
M0
BIN
K4X10
FROM
H5
K0
D10
CHAPTER 2 APPLICATION OF PROGRAMMING
Sequence instruction
K100
T0
Y30
Basic instruction
D0
Application instruction
K1
2
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