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Mitsubishi Electric Artisan MELSEC-Q Series Manual Page 44

General-purpose programmable controllers, large/small.
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(3) Upgrade to MELSECNET/H (remote I/O network) system using Q Series large type base unit
Solution and Benefit
• With the Q Series large type base units and I/O modules, an existing MELSECNET remote I/O network
system can be upgraded to a MELSECNET/H (remote I/O network) system by utilizing existing wiring.
Just remount the existing wired terminal block on the Q Series large type base units, I/O modules.
The upgrade time can be greatly reduced.
• In addition to the Q Series large type base units, I/O modules, the conversion adapter (upgrade
tool) (manufactured by MITSUBISHI Electric Engineering Co., Ltd.) can also be used to further
minimize upgrade process.
* For the model names of conversion adapters used as upgrade tools, refer to "Conversion adapter (upgrade tool) options
[manufactured by Mitsubishi Electric Engineering Co., Ltd.]" in page 37.
The following is an example of upgrading a MELSECNET network system consisting of only remote I/O stations
to a MELSECNET/H (remote I/O network) system using the Q Series large type base units, I/O modules, and
conversion adapters.
● Instructions
Use Q Series large type base units, I/O modules, and conversion adapters (manufactured by Mitsubishi
Electric Engineering Co., Ltd.) to replace the existing MELSECNET remote I/O network system.
(a) System configuration example
Current configuration
Master station
A35B
MELSECNET (optical loop)
Remote I/O station 1
A35B
Remote I/O station 2
A35B
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2.1 Replace A/QnA (Large Type) Series with Q Series
New configuration after replacement
Replace
* Q Series large type blank cover (QG69L) is required when using a Q Series module.
41
Remote master station
Q35BL
MELSECNET/H (remote I/O network) (optical loop)
Remote I/O station 1
Q35BL
Remote I/O station 2
*
QX40
Q35BL
QG69L
Q Series large type
blank cover
*
*
QX41 QY41P
*
*
QY10
QY40P

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