12 FILE CONTROL
12.3 Data to be specified in commands
197
12
File password for MELSEC iQ-R series (6 to 32 characters)
Use the subcommand '0040'.
If multiple wrong passwords are attempted continuously, the password will be locked out and cannot unlock
the password for a while.
■When a password is set
Specify the number of characters and the character string of password.
Specify 'Password character string' with variable length. The length of data is specified in 'Number of characters'. (Page
200 Number of characters)
Specify the password character string in ASCII code during data communication in binary code as well.
Password is "ABCDEFGHIJKLMNOPQRSTUVWXYZ" (26 characters)
■When a password is not set
Specify with the number of character '0'.
ASCII code Binary code
ASCII code Binary code
ASCII code Binary code
Number of characters Password character string
(4 digits) (Variable length)
Number of characters Password character string
(2 bytes) (Variable length)
30
H
30
H
31
H
41
H
41
H
42
H
43
H
44
H
5A
H
001A ABCD Z
Number of characters Password character string
1A
H
00
H
41
H
42
H
43
H
44
H
5A
H
AB DC
・・・
Z
Number of characters Password character string