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Replace A Series Master Station With Q Series - Mitsubishi Electric Artisan MELSEC-Q Series Manual

General-purpose programmable controllers, large/small.
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4.2 Replace one of A Series stations with Q Series while retaining MELSECNET(ΙΙ)

4.2.2 Replace A Series master station with Q Series

The following is an example of replacing the A Series master station with Q Series.
● Instructions
(1) Replace the CPU and other modules on the master station with Q Series while maintaining the existing
network.
(2) Since a Q Series station cannot be the master station, set Local station 1 as the master station, set the link
parameters, and change the station number of the rest of the local stations.
(3) Utilize the existing optical fiber cables.
(1) System configuration example
Current configuration
Master station
MELSECNET(ΙΙ) (optical loop)
Local station 1
Local station 2
Local station 3
Note: In MELSECNET(II) mode and MELSECNET(II) composite mode, only AnA, AnU, or QnA CPU can be used
for the master station.
Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com
Replace
No change
(including optical fiber cables)
90
Change to local station after replacing master station with QCPU
Local station 3
Q38B
QC B
QA1S65B
Master station
Local station 1
Local station 2
MELSECNET(ΙΙ) (optical loop)

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