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MELSEC-F
WHEN COMMUNICATING DATA USING THE MC PROTOCOL9
9 - 29
9.3.6 Batch write in word units (command: 03)
The examples shown in this section explain the command/response format when
batch writing to a word device memory and bit device memory (16 point units).
For more details on the order and contents of data items of the areas marked by " "
shown in the control procedure diagram, see Subsection 9.1.2.
[Control procedure]
Writing data to D100 to D102 of the PLC on which the Ethernet module is loaded.
(1) Communication in binary code
03
H
FF
H
0A
H
L
00
H
H
64
H
00
H
20
H
44
H
03
H
00
H
34
H
12
H
76
H
98
H
09
H
01
H
LH
00
H
00
H
HLHLHL
83
H
00
H
Data to be written to D100
Data to be written to D101
Data to be written to D102
D100
----
(Data name)
External device
side
(Example)
(Data name)
PLC side
(Example)
Subheader
PC No.
Number of device points
Head device
Monitoring
timer
Data for the number
of designed device
points
Characters for the
number of device
points
Subheader
Complete code