Introduction - Mitsubishi Melsec-L Series User Manual

Thank you for purchasing the Mitsubishi MELSEC-L series programmable controller.
This manual describes the functions of the LJ71C24 and LJ71C24-R2 serial communication modules
(hereinafter referred to as the C24) and programming.
Before using the equipment, please read this manual and the related manuals carefully to develop full
familiarity with the functions and performance of the MELSEC-L series programmable controller you have
purchased, so as to ensure correct use.
When applying the following program examples to the actual system, make sure to examine the applicability
and confirm that it will not cause system control problems.
Please make sure that the end user read this manual.
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INTRODUCTION

REMARKS
• Unless otherwise specified, in the program examples introduced in this manual,
I/O numbers X/Y00 to X/Y1F are assigned to the C24.
When using the program samples, I/O number must be assigned.
For I/O number assignment, refer to the following manual.
MELSEC-L CPU Module User's Manual (Function Explanation, Program
Fundamentals)
• Operating procedures are explained using GX Works2.
When using GX Developer or GX Configurator-SC, refer to Appendix 4.
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