Mitsubishi Electric FX3U-ENET User Manual page 47

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