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Mitsubishi Electric Artisan MELSEC-Q Series Manual Page 176

General-purpose programmable controllers, large/small.
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9.2 Create a sample program for MELSECNET(ΙΙ) or MELSECNET/B link refresh using A/QnA -> Q conversion support tool
2) MELSECNET ΙΙ composite mode (Network range assignment: set for the first half and second half)
(c) Program example of transient instruction
Transient communication is being performed if the following instructions are in the master station's
sequence program.
The use of transient communication is one of the conditions that should be taken into account when
creating a link refresh sequence program.
X0
M9200
Read from
other station
instruction
received
X1
M9200
Write to
other station
instruction
received
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M9201
M9202
LRDP
LRDP
LWTP
instruction
instruction
completed
received
M9201
M9202
LRDP
LRDP
LWTP
instruction
instruction
completed
received
M9202
LRDP
K1
D0
Other station
LWTP
read device
instruction
completed
M9202
LWTP
K1
D20
LWTP
instruction
completed
173
D100
K10
Read data
storage
D300
K10
Other station
write destination
device

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