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MELSEC-Q
2 SYSTEM CONFIGURATION
(4) By connecting to a remote I/O station for access to other stations, GX Developer
can access stations in the other network system, whether the relay stations in the
multiple CPU system are controlled by the same or different CPUs.
Also, GX Developer can access either the control CPU or non-control CPU in the
multiple CPU system.
(a) Accessible to the remote I/O stations in another
network
(b) Accessible to the control CPU in another network
QJ72
BR15
GX Developer
QJ71
BR11
QJ71
BR11
CPU No.1 is
control CPU
I/O
I/O
QJ72
BR15
I/O
I/O
CPU
No. 1
CPU
No. 2
QJ72
BR15
CPU
No. 1
CPU
No. 2
QJ71
BR11
QJ71
BR11
QJ71
BR11
I/O
I/O
GX Developer
CPU
No. 1
CPU
No. 2
CPU No.1 is
control CPU
CPU No.1 is
control CPU
(c) Accessible to the non-control CPUs in another
network
(d) Accessible to another network even if the relayed
station is controlled by another control CPU
QJ72
BR15
CPU
No. 1
CPU
No. 2
QJ71
BR11
QJ71
BR11
QJ71
BR11
I/O
I/O
GX Developer
CPU
No. 1
CPU
No. 2
CPU No.1 is
control CPU
CPU No.1 is
control CPU
QJ72
BR15
CPU
No. 1
CPU
No. 2
QJ71
BR11
QJ71
BR11
QJ71
BR11
I/O
I/O
GX Developer
CPU No.1 is
control CPU
CPU No.2 is
control CPU
CPU No.1 is
control CPU
CPU
No. 1
CPU
No. 2