Chapter 1 Introduction; Modules Targeted For Replacement - Mitsubishi MELSEC-AnS Series Handbook

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INTRODUCTION
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1.1 Modules Targeted for Replacement

This handbook describes how to replace the following communication modules.
• AnS series computer link module:
• QnAS series serial communication module:
(1) Replacing AnS series computer link modules and QnAS series serial communication
modules
(a) AnS series computer link modules
A1SJ71UC24-R2
RS-232 :1ch
A1SJ71UC24-R4
RS-422/485 :1ch
Point
L series communication modules do not have a function equivalent to the multidrop link function of the
AnS series communication module, A1SJ71UC24-R4.
Consider replacement to a CC-Link system.
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INTRODUCTION
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Communications via
RS-232
Communications via
RS-422/485
Refer to CHAPTER 2.
Refer to CHAPTER 2.
LJ71C24
LJ71C24
RS-232
or
RS-422/485 :1ch
LJ71C24-R2
LJ71C24-R2
RS-232
LJ71C24
LJ71C24 RS-232
RS-422/485 :1ch
:1ch
:2ch
:1ch