Mitsubishi Electric Q03UDVCPU User Manual page 49
Qnucpu series (communication via built-in ethernet port)
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(8) Network No. and station number overlapping
When the MELSOFT connection extended setting is used, do not overlap the network number to be set for a
CPU module with the network number of another relay network. Set a station number different from those used in
the same network.
(9) Relay communication in multiple CPU system configuration
When the MELSOFT connection extended setting is used, the target station or the relay station may configure
multiple CPU system. In this case, configure the MELSOFT connection extended setting not only for the CPU
modules in the target station or in the relay path but also for the control CPU of the network module in the relay
path.
A case where the MELSOFT connection extended setting is required
Ex.
When CPU No.1 communicates with CPU module [1] or CPU module [2], configure the MELSOFT
connection extended setting for CPU No.1 and CPU No.2 in a multiple CPU system.
Programming tool
CPU
module
A case where the MELSOFT connection extended setting is not required
Ex.
When Ethernet modules are used for all the relay paths, the MELSOFT connection extended setting for
CPU modules does not affect relay communications.
Programming tool
USB
CPU
Ethernet
module
module
CHAPTER 3 CONNECTION OF PROGRAMMING TOOLS AND GOT
USB
CPU
CPU
module
module
CPU No.1
CPU No.2
Ethernet
Controlled by
CPU No.1
CPU
CPU
Ethernet
module
module
module
CPU No.1
CPU No.2
Ethernet
Controlled by
CPU No.2
Ethernet
CPU
module
module [1]
Ethernet
CPU
module [2]
Ethernet
Controlled by
CPU No.2
Ethernet
CPU
CPU
Ethernet
module
module
module
Ethernet
module
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