Mitsubishi Electric Melsec QJ71LP21 Reference Manual page 47

2 SYSTEM CONFIGURATION
1) Relaying is possible if the relay station's control CPU is
the same
GX Developer
CPU CPU QJ71
No.1 No.2 BR11
CPU CPU QJ71
No.1 No.2 BR11
CPU CPU
No.1 No.2
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(3) Precautions for execution of transient transmission
(a) Access range of GX Developer
When connecting GX Developer to a CPU module and accessing other
stations, it is possible for GX Developer to access up to the 8 network
systems whether the relay stations on the multiple CPU system are control
or non-control CPUs.
(Refer to 7.4.2 Routine Functions in section)
It is also possible for GX Developer to access either a control or non-control
CPU if the target station is in a multiple CPU system.
CPU No.1 is a
control CPU
QJ71
BR11
CPU No.1 is a
control CPU
QJ71
BR11
CPU No.1 is a
control CPU
2) Relaying is also possible if the relay station's control CPU
is different
GX Developer
CPU CPU QJ71
No.1 No.2 BR11
CPU No.1 is a
control CPU
CPU CPU QJ71
No.1 No.2 BR11
CPU CPU
No.1 No.2
MELSEC-Q
CPU No.1 is a
control CPU
QJ71
BR11
CPU No.2 is a
control CPU
QJ71
BR11
CPU No.1 is a
control CPU
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