Mitsubishi Electric MELSEC iQ-R Series - File Check; Read Directory;File Information (Command: 1810)

12 FILE CONTROL
12.4 File Check
211
12
12.4 File Check
Read directory (folder), file name, file creation date and time, and file No. in the specified drive.
The presence of files to be accessed and the file No. to access can be checked.
Read directory/file information (command: 1810)
For the specified storage destination file, read the file name, file creation date and time (last edit date and time) etc.
Read the file information from the head file specified with the file No. to the specified number of files.
Message format
The following shows the message format of the request data and response data of the command.
■Request data
■Response data
Data specified by request data
■Command
*1 For C24, the additional code may be added. (Page 35 Additional code (10H))
■Sub command
ASCII code Binary code (for C24)
*1
Binary code (for E71)
Item ASCII code Binary code
For MELSEC-Q/L series
For MELSEC iQ-R series
Head file No.Subcommand Fixed values Drive No.
Directory
specification
Command
Number of
requested files
Number of file
information
(n points)
Last file No.
File
Last edit
date and
time
File size File
Last edit
date and
time
File size
Directory/file information(1st point) Directory/file information(nth point)
1
31H
8
38H
1
31H
0
30H
10 H 18 H 10 H
DLE
10 H 18 H
0
30H
0
30H
0
30H
0
30H
00 H 00 H
0
30H
0
30H
4
34H
0
30H
40 H 00 H