137
FX
3U
/FX
3UC
Series Programmable Controllers
Programming Manual - Basic & Applied Instruction Edition
6 What to Understand before Programming
6.1 How to Read Explanation of Instructions
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In
troduct
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In
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Li
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D
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De
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Speci
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Bef
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Bas
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FNC0
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-FNC0
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Ar
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6.
What to Understand before Programming
This chapter explains the I/O processing, relationship among instructions and programming method which
should be understood before creating sequence programs.
6.1
How to Read Explanation of Instructions
In this manual, applied instructions are explained in the following form.
For the expression methods and basic rules for applied instructions, read in advance "6.5 General rules for
applied instructions" described later.
Indicates applicable
PLC versions.
Applicable series
Expression of applicable versions
x
→
Ver.2.00: Former than Ver.2.00
x
Ver.2.00
→
: Ver.2.00 or later