(2) Master station network parameter (Master station(M) for the second tier)
The following are examples of the master station's network parameters and transient communication
program.
The parameter settings for the master station are the conditions used to create a link refresh sequence
program for the local station data link module.
(a) Network type selection
(b) Setting examples for each network type
1) MELSECNET mode (Network range assignment: set for the first half only)
(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.
2) MELSECNET
ΙΙ
composite mode (Network range assignment: set for the first half and second half)
X0
M9200
M9201
M9202
M9202
D100
Read data
storage
D0
Other station
read device
K1
LRDP
K10
X1
M9200
M9201
M9202
M9202
Read from
other station
LRDP
instruction
received
LRDP
instruction
completed
LWTP
instruction
received
LWTP
instruction
completed
Write to
other station
LRDP
instruction
received
LRDP
instruction
completed
LWTP
instruction
received
LWTP
instruction
completed
D300
Other station
write destination
device
D20
K1
LWTP
K10
173
9.2 Create a sample program for MELSECNET(
ΙΙ
) or MELSECNET/B link refresh using A/QnA -> Q conversion support tool
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Содержание Artisan MELSEC-A
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