Security - Mitsubishi Electric MELSEC iQ-R User Manual

Security

When the hardware logic is written into a flash ROM, add a password to prevent inappropriate access to read the data.
After [Security] is set to "Enable" and [Write to Module (Execution memory + Flash ROM)] in [Online] is executed, the
password input window is displayed. After a password is input and writing data into the module is completed, the security
becomes valid.
To read the hardware logic to which the security has been enabled from a flash ROM to the module, input the set password.
• When the security is enabled
Password registration
Password matched
Hardware logic
• When the security is disabled
Setting method
[Project]  [Security]  [Enable] or [Invalid]
When a new project is created, [Security] has been set to "Enable".
Operation details and restrictions
The security setting is saved in a project.
■Operations to be performed when "Write to Module (Execution memory + Flash ROM)" is
executed
Security setting
Enable
*1
Invalid
*1 When "Write to Module (Execution memory)" is executed, the same operations as the ones for when [Security] is "Enable" are executed.
Write to Module
(Execution memory + Flash ROM)
Hardware logic + Password
Password input
Password not matched
Read from Module (Flash ROM)
Write to Module (Execution memory + Flash ROM)
Hardware logic
Hardware logic
Read from Module (Flash ROM)
Description
• The password registration window is displayed.
• The hardware logic is written with a password.
• The password registration window is not displayed.
• The hardware logic is written. No password is added.
Hardware logic + Password
2 FUNCTIONS OF THE CONFIGURATION TOOL
2.5 Project Management
RD40PD01
RD40PD01
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2