Справочник Пользователя для Mitsubishi Electronics A1SJ71AR23Q
3
SPECIFICATIONS
3.6 Details of Buffer Memory
3.6.5 LWTP instruction receive request/receive result/work area
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3.6.5
LWTP instruction receive request/receive result/work area
When a device write (LWTP instruction) is requested to a Q series local station from the
master station, execute receive processing to the LWTP instruction in a sequence
program.
master station, execute receive processing to the LWTP instruction in a sequence
program.
The following shows operations of a local module at the time of receiving the LWTP
instruction.
instruction.
Figure 3.10 Operation of local module at the time of receiving LWTP instruction
0
END
0
END
LWTP
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END
100
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100
Write command
Write completion device
Write data storage device
CPU module
CPU module
Sequence scan
Link module
Link module
Refresh ready status (X7)
Sequence scan
Write data (DC
H
or later)
Local module
Local module
LWTP instruction receive request
(AE
(AE
H
)
5 (Processing completed)
(1scan)
CPU module
CPU module
Link scan
Write data storage device
4 (Processing
requested)
requested)