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MELSEC-F
COMMUNICATION PROCEDURE5
5 - 27
5.6.1 Active open processing/close processing
This section explains the procedure for opening and closing a connection with an
external device from the Ethernet module.
•For FX
3U/FX3UC Series PLCs
Program example for the unit No. 1
<<Open processing for connection No.1>>
M8000
M100
X000 M117 M103
X000
M102
[= D100 H15 ]
[= D100 H10 ]
[= D100 H5 ]
]H0D100[=
[MOV K4M110
(M102
(M103
]
[INCP D0 ]
[INCP D1 ]
[INCP D2 ]
[END ]
[MOVP H8000 ]
)
(M101 )
(M100 )
)
U1\
G28
Open
request
Link
status
Cancel of
self-
holding
at close
M0
Initial
completion
status
Open request
(self-holding)
Status Status read
Open request
(self-holding)
(M0
Initial
completion
status
[MOVP H1
U1\
G1602
]
OPEN
instruction/
status
Reading
value
of #1602
Reading
value
of #1602
Reading
value
of #1602
Open
completed
Open normal completion
processing
Open abnormal completion
processing
Normal open processing
Open abnormal processing
Open
request
Closed
(self-
holding)
OPEN
instruction/
status
Closed
(self-holding)
Cancel of
self-holding
at close
U1\
G1602
Close count
CLOSE normal
completion processing
Reading
value
of #1602
[MOV
U1\
G1602
D100 ]
OPEN
instruction/
status
Reading
value
of #1602
[=
U1\
G27
H1 ]
Initial
completion
signal
User applications are described at the area enclosed with .