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1
OVERVIEW
2
CREATED PROGRAM
AND SYSTEM
CONFIGURATION
3
CREATING PROGRAM IN
STRUCTURED LADDER/
FBD LANGUAGE
4
CREATING
PROGRAM IN ST
LANGUAGE
5
CREATING TWO OR
MORE PROGRAM
BLOCKS
3 CREATING PROGRAM IN
STRUCTURED LADDER/
FBD LANGUAGE
This chapter explains how to create a program in the Structured Ladder/FBD language with a Structured
Project using a simple Structured Ladder program.
Refer to the following manuals for the details on structured programs including programming languages,
labels, data types and functions (instructions):
MELSEC-Q/L/F Structured Programming Manual (Fundamentals)
Structured Programming Manual of the programmable controller CPU
3.1 Created Program . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-2
3.2 Creating a Project . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3
3.3 Writing a Project to the programmable controller . . . . . . . . . 3-21
3.4 Monitoring Operations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-29
3.5 Diagnosing the programmable controller. . . . . . . . . . . . . . . . 3-38
3.6 Reading a Project from programmable controller . . . . . . . . . 3-39
3.7 Printing. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-41
3.8 Saving a Project . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-47
3.9 Exiting GX Works2 . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-48