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MELSEC-Q
2 SYSTEM CONFIGURATION
2.4 Multiple Remote I/O Network
2.4.1 Configuration
A multiple remote I/O network system is a network system with many networks
connected to it.
Set a unique number. The numbers can be set within a range from 1 to 239.
Up to four master modules can be mounted on the remote master station.
Note that, however, there are restrictions on the number of master modules that can
be mounted, depending on the CPU module used. (Refer to Section 2.5.)
Remote I/O net
QCPU QJ71
LP21
QJ71
LP21
1M
R
2M
R
I/O
QJ72
LP25
I/O
1R1
Remote I/O net
Power supply
Power supply
I/O
QJ72
LP25
I/O
1R2
Power supply
I/O
QJ72
LP25
I/O
2R1
Power supply
I/O
QJ72
LP25
I/O
2R2
Power supply