Mitsubishi Electric MELSEC iQ-R Series - Page 233

12 FILE CONTROL
12.6 File Modification
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12
■Drive No.
Specify the access target drive. (Page 198 Drive No.)
■Attribute
Specify the file attribute. (Page 205 Attribute)
• Read only: 01H
• Readable, writable: 20H
Do not specify the value other than above since the values are reserved for system use.
■Number of file name characters, file name
Specify the file name to modify attribute. (Page 202 File name specification)
Communication example (files for MELSEC-Q series)
Change the file attribute in the following conditions.
• Password: 1234
• Drive No.: 0
• File name: ABC.QPG
• Attribute: Read only: 01H
■Data communication in ASCII code
(Request data)
■Data communication in binary code
(Request data)
Communication example (files for MELSEC-L series)
Change the file attribute in the following conditions.
• Password: AbCd1234...(24 spaces, code: 20H)
• Drive No.: 0
• File name: MAIN.QPG
• Attribute: Read only: 01H
■Data communication in ASCII code
(Request data)
■Data communication in binary code
(Request data)
1825
31 H 38 H 32 H 35 H
000
30 H 30 H 30 H
0
30 H 31 H 32 H 33 H 34 H
0
30 H 30 H 30 H 30 H 30 H 30 H 30 H 31 H
00000011234
30 H 30 H 30 H 37 H 41 H 42 H 43 H 2E H 51 H 50 H 47 H
0007ABC.QPG
Subcommand Password Drive No. Attribute Number of file name characters File name
31 H 32 H 00 H 00 H 25 H 18 H 33 H 34 H 00 H 00 H 01 H 00 H 07 H 00 H 41 H 42 H 43 H 2E H 51 H 50 H 47 H
1234
ABC . QPG
File name
Password
Drive No.
Attribute
Subcommand
Number of file name characters
18250004
41H 62H 43H 64H30H 30H 30H 34H31H 38H 32H 35H 31H 32H 33H 34H 20H 20H 30H 30H 30H 30H
0000
30H 30H 30H 31H
0001
30H 30H 30H 38H 4DH 41H 49H 2EH 51H 50H 47H
0008MAI
4EH
N.QPG
AbC d
1234
Subcommand Password (fixed to 32 characters) Drive No. Attribute
Number of file
name characters
File name
41 H 62 H 43 H 64 H 25 H 18 H 04 H 00 H 31 H 32 H 33 H 34 H 20 H 20 H
08 H 00 H 4D H 41 H 49 H 2E H 51 H 50 H 47 H 4E H
00 H 00 H 01 H 00 H
MA I N . Q P G
AbC d
1234
Subcommand
AttributePassword (fixed to 32 characters) File name
Drive No. Number of file name characters