Mitsubishi Electric MELSEC IQ-R series Reference Manual page 326

■Drive name
A data to specify the drive in a CPU module of which files are to be managed. (Page 298 Drive name, Drive No.)
■Fixed value
'0000' (at the time of an ASCII code) or 0000H (at the time of a binary code) is transmitted. (Page 303 Fixed value)
■File name
Character string data of a file name. (Page 299 File name, extension, and attribute)
■Extension
A character string data of extension of a file. (Page 299 File name, extension, and attribute)
■Attribute
A data to specify the file attribute (applicability of data read/write). (Page 299 File name, extension, and attribute)
Specify '20H' (readable/writable disk file) for the attribute of a new file.
■Capacity
A data to reserve the file area on the specified disk when registering a new file. It is specified with the number of bytes.
(Page 302 Capacity)
Communication example
Read the data written in the specified file under the following condition.
• Drive name: 1 (RAM area of memory card A)
• File name: ABC12.QPG
• Capacity: 172 bytes
■Data communication in ASCII code
(Request data)
Subcommand
Fixed value
(Response data)
0 0 0 A
30 30 30 41
H H H H
■Data communication in binary code
(Request data)
Subcommand
Setting
Command
flag
02 12 00 00 01
H H H H H
Attribute
20
H
(Response data)
A0 00
H H
15 QnACPU DEDICATED COMMANDS
324
15.3 File Control
Keyword
File name
Keyword Drive name Fixed value Fixed value
00 23 01 01 00 00 00
H H H H H H
Size Fixed value
AC 00 00 00 00 00
H H H H H H
Setting flag Drive name
Extension Attribute
File name
00 00 41 42 43 31
H H H H H H H
Fixed value
Size Fixed value
Extension
32 20 20 20 51 50 47
H H H H H H H