Chapter 8 Replacing The Communication Modules; List Of Alternative Communication Module Models - Mitsubishi Electric MELSEC-A0J2H Series Handbook

8
REPLACING THE COMMUNICATION MODULES
8

8.1 List of Alternative Communication Module Models

A0J2H models to be discontinued
Product name
Computer link
module/
A0J2-C214S1
multidrop link
(Master station)
Multidrop link
A0J2C25
(Remote station)
*1 1 Select the Q series alternative model compatible with the communication interface being used.
(1) A0J2H Models to be discontinued
A0J2-C214-S1 RS-232
(2) Q series alternative models
QJ71C24N RS-232
QJ71C24N-R2 RS-232
QJ71C24N-R4 RS-422/485
*2 Replacement of the multidrop link
The Q series communication modules do not have the multidrop link function.
Therefore, consider the replacement methods as follows.
(1) When the remote and local stations are all replaceable with CC-Link
The following figure shows a configuration example when the remote and local stations are all replaceable with CC-Link.
*Example of existing configuration
Multidrop link master station
A0J2HCPU
A0J2-C214S1
*Example of CC-Link replacement configuration
CC-Link master station
8
- 1
REPLACING THE COMMUNICATION
8
MODULES
Model name Model name
QJ71C24N
QJ71C24N-R2
QJ71C24N-R4
None
CH1 CH2
RS-422
CH1 CH2
RS-422/485
RS-232
RS-422/485
Multidrop link remote station
A0J2C25
A0J2 I/O module
CC-Link
remote I/O station
AJ65SBTCF1-32D
AJ65SBTCF1-32T
Dedicated connection cable
Renewal tool for A0J2
Q series alternative models
Remarks (restrictions)
• Only the computer link function can be replaced.
The multidrop link function cannot be replaced.
• Select the model compatible with the communication interface being used.
• The sequence program is not compatible, so a change is required.
*2
No substitutions
Multidrop link remote station
(from a partner manufacturer)
Manifold serial
transmission unit
(manufactured by
SMC Corporation)
CC-Link remote I/O station
(from a partner manufacturer)
Manifold solenoid valve
(manufactured by
SMC Corporation)
*1
*2
Multidrop link local station
A0J2HCPU
A0J2-C214S1
CC-Link
local station