What To Understand Before Programming; How To Read Explanation Of Instructions - Mitsubishi Electric MELSEC FX3U Programming Manual

FX /FX /FX Series Programmable Controllers
3G 3U 3UC
Programming Manual - Basic & Applied Instruction Edition
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.
The above is different from the actual page, as it is provided for explanation only.
6 What to Understand before Programming
6.1 How to Read Explanation of Instructions
Indicates applicable
PLC versions.
Applicable series
Expression of applicable versions
→ Ver.2.20: before Ver.2.20
Ver.2.20 →: Ver.2.20 or later
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