Mitsubishi 00JCPU User Manual page 288

6.19.1Password registration
This function prohibits reading and writing data such as a programs and device comments in the CPU module with
GX Developer.
(1) Valid password range
The password can be registered with program, device comment, and initial device values files in the specified
memory (program memory, standard ROM, and memory card).
(2) Operations that can be prohibited
The following two operations can be prohibited.
• Reading and writing a file
• Writing a file
When a password has been registered with a file, GX Developer cannot operate the file unless entered password
does not match with the registered password.
(3) Setting method
Select [Online]
Developer.
(a)
(b)
Note22
Note6.22
Basic
The valid password range of the Basic model QCPU can be set for program files, device comment files, and initial
device values in the program memory.
The range cannot be set for the standard ROM and memory card.
6 - 108
[Password setup] or click the
Figure 6.73 Password registration/change screen
Note22
Note6.22
button on the Write to PLC screen in GX
Password setup
(e)
(f)
(d)
(c)