Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 49

2 SYSTEM CONFIGURATION
(a) Transmission between data links possible
CPU CPU
No.1 No.2
CPU CPU QJ71
No.1 No.2
BR11
2 - 14
(4) Data cannot be transferred between data links with data link transmission
parameters if the control CPUs of the network modules on the multiple CPU
system are different.
To transfer data to another network, use the CPU shared memory.
CPU No.1 is a
control CPU
QJ71 QJ71
BR11 BR11
CPU CPU QJ71
No.1 No.2
BR11
(b) Transmission between data links not possible
CPU No.1 is a
control CPU
CPU CPU QJ71
No.1 No.2
BR11
CPU CPU QJ71
No.1 No.2
BR11
MELSEC-Q
CPU No.2 is a
control CPU
QJ71
BR11
CPU CPU QJ71
No.1 No.2
BR11
2 - 14