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4.4 Gradual replacement of MELSECNET/10 Remote I/O Net
The method for gradually replacing the existing MELSECNET/10 remote I/O network to the Q Series is explained
below.
● Flow of replacement
(1) Replace the existing station 1 with the Q Series in Step 1.
(2) Replace a random station with the Q Series in Step 2.
(3) In the final step, replace the master station with the Q Series CPU, and shift to the MELSECNET/H remote
I/O network.
At the same time, replace the stations remaining in the existing network as MELSECNET/10 remote I/O
network modules to the Q Series.
(1) System configuration example
Current configuration
Master station
MELSECNET/10 remote I/O network (optical)
R1 station
R2 station
R3 station
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* Replacing only R1 station with Q Series
Transitional step 1
Master station
No change
MELSECNET/10 remote I/O network (optical)
Replace
R2 station
No change
R3 station
No change
98
(Master station, R2, R3 not replaced)
R1 station
Set Mode to 8
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