Mitsubishi Electric MELSEC iQ-R Series - Page 67

7 COMMANDS AND FUNCTIONS
7.1 Command List
65
7
File control
For the QnACPU dedicated commands, refer to the following section.
Page 288 QnACPU Dedicated Commands List
Function Command Description Subcommand
File check Read directory/
file information
1810 For the specified storage destination file, read the file name, file creation date and
time (last edit date and time) etc.
0000 For MELSEC-
Q/L series
0040 For MELSEC
iQ-R series
Search
directory/file
information
1811 Read the file No. of the specified file. 0000 For MELSEC-
Q/L series
0040 For MELSEC
iQ-R series
File creation
and deletion
Create new file 1820 Create a file with specifying its size.
(Reserve a storage area for the specified file.)
0000 For MELSEC-
Q/L series
0040 For MELSEC
iQ-R series
Delete file 1822 Delete a file. 0000 For MELSEC-
Q series
0004 For MELSEC-
L series
0040 For MELSEC
iQ-R series
Copy file 1824 Copy a file. 0000 For MELSEC-
Q series
0004 For MELSEC-
L series
0040 For MELSEC
iQ-R series
File
modification
Modify file
attribute
1825 Change the file attribute. 0000 For MELSEC-
Q series
0004 For MELSEC-
L series
0040 For MELSEC
iQ-R series
Modify file
creation date
and time
1826 Modify the file creation date and time (last edit date and time). 0000 For MELSEC-
Q/L series
0040 For MELSEC
iQ-R series
Open file 1827 Open a file to lock it so that the contents of the file cannot be modified by other
devices.
0000 For MELSEC-
Q series
0004 For MELSEC-
L series
0040 For MELSEC
iQ-R series
Read file 1828 Read a file content. 0000 
Write to file 1829 Write content to a file. 0000 
Close file 182A Close a file to unlock it by opening file (command: 1827). 0000 