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The functions serve to protect the user property stored in a personal computer and the user property inside modules
in the MELSEC iQ-R series system against threats such as theft, tampering, faulty operation, and unauthorized
execution due to unauthorized access by an outsider.
Each security function has a different advantage. Use a security function appropriate to your purpose.

(1) Block password function
Prevents unauthorized access with a password set to POU.

(2) Security key authentication function
Prevents unauthorized execution, reading, and writing of programs with registration of a security key to a CPU module
and a personal computer.

(3) File password function
Prevents unauthorized reading and writing of data from/to a file in a CPU module with a password.

(4) IP filter function
Identifies the IP addresses of external devices by Ethernet and blocks access from unauthorized IP addresses.

(5) Remote password function
Limits access from external devices to the CPU module via communication routes other than the specified one with
a password for the communication by Ethernet.