Mitsubishi Electric MELSEC IQ-R series Reference Manual page 217

Communication example (files for MELSEC iQ-R series)
Read directory/file information under the following conditions.
• Drive No.: 4
• Head file No.: 1
• Number of requested files: 3
The path names of directory are shown in the following table.
(1) SUBDIR (6 characters)
Item Value of code corresponds to character
Path name S U
UTF-16 0053 0055
ASCII code 30303533 30303535
Binary code 5300 5500
The following shows the file name of a directory/file information to be read.
The current directory information is stored in the directory/file information 1.
The parent directory information is stored in the directory/file information 2.
Directory Number of file name
characters
Current directory 1
Parent directory 2
The following shows the file name of the directory/file information 3.
(2) LINE.CSV (8 characters)
Item Value of code corresponds to character
File name L I
UTF-16 004C 0049
ASCII code 30303443 30303439
Binary code 4C00 4900
■Data communication in ASCII code
(Request data)
Subcommand
1 8 1 0 0 0 4 0
31 38 31 30 30 30 34 30
H H H H H H H H
Number of characters
0 0 0 6
30 30 30 36
H H H H
In the figure (1), set the value of "ASCII code" in the table of "Value of code corresponds to character" in "Path name".
B D I
0042 0044 0049
30303432 30303434 30303439
4200 4400 4900
Character code
File name
UTF-16
ASCII code
Binary code
File name
UTF-16
ASCII code
Binary code
N E .
004E 0045 002E
30303445 30303435 30303245
4E00 4500 2E00
(Fixed value) Drive No.
0 0 0 0 0 0 0 4
30 30 30 30 30 30 30 34
H H H H H H H H
Path name
(1)
Directory specification
R
0052
30303532
5200
.
002E
30303245
2E00
.
002E
30303245
2E00
C S
0043 0053
30303433 30303533
4300 5300
Head file No. Number of requested files
0 0 0 0 0 0 0 1
30 30 30 30 30 30 30 31
H H H H H H H H
.
002E
30303245
2E00
V
0056
30303536
5600
0 0 0 3
30 30 30 33
H H H H
12 FILE CONTROL
12.4 File Check
12
215