Mitsubishi Electric FX3U-ENET, User Manual

Page: 47 / 296

3 - 19
MELSEC-F
SPECIFICATIONS 3
3 - 19
(Continued from the previous page)
*1 When the next data is received immediately, 0001
H
may be stored without reading 0004
H
depending on the execution timing of the FROM instruction.
BFM number
Attribute Application Name
Initial value
Decimal
(Hexadecimal)
Flash ROM
save
Reference
section
Decimal
(Hexadecimal)
1610
(64A
H
)
R/W
For fixed buffer
communication
Fixed buffer
communication
Transmission/
reception
request/Execution
result
When sending request or reception complete
confirmation signal of connection No.1
• For sending
1) Write value
0001
H
: Sending request
2) Read value
0001
H
: Transmission ready
0002
H
: Between data being sent to while
waiting for a response (only when
procedure exists)
0004
H
: Stored at transmission completion
0008
H
: Stored at transmission error
0000
H
: Stored when the open processing
or close processing is completed
• For receiving
1) Write value
2) Read value
0
(0000
H
)
Chapter 6,
Chapter 7
1611
(64B
H
)
R/W
When sending request or reception complete
confirmation signal of connection No.2 (Same as connection No.1)
1612
(64C
H
)
R/W
When sending request or reception complete
confirmation signal of connection No.3 (Same as connection No.1)
1613
(64D
H
)
R/W
When sending request or reception complete
confirmation signal of connection No.4 (Same as connection No.1)
1614
(64E
H
)
R/W
When sending request or reception complete
confirmation signal of connection No.5 (Same as connection No.1)
1615
(65F
H
)
R/W
When sending request or reception complete
confirmation signal of connection No.6 (Same as connection No.1)
1616
(650
H
)
R/W
When sending request or reception complete
confirmation signal of connection No.7 (Same as connection No.1)
1617
(651
H
)
R/W
When sending request or reception complete
confirmation signal of connection No.8 (Same as connection No.1)
1618 to 1663
(652to 67F
H
)
— System area — — —
Write value Procedure No procedure
0002
H
Response
transmission
to an
external
device
Allows the
following data
to be received
Read value Procedure No procedure
0001
H
At data reception
0004
H
Response
transmission
complete
*1
Acceptance
for the data
reception
complete
*1
0008
H
Receiving process cannot be
normally completed
0000
H
Stores after open/close
process