Remote Password - Mitsubishi Electric RD78G4 User Manual

Remote password

Permits or prohibits access from the external device to the CPU module via Motion module. This function can prevent
unauthorized access of the CPU module from a remote location.
The remote password is one method of preventing unauthorized access (such as program or data destruction)
from an external device. It does not completely prevent unauthorized access. Incorporate measures other
than this function if the programmable controller system's safety must be maintained against unauthorized
access from an external device. Mitsubishi shall not be held liable for any system problems that may occur
from unauthorized access.
Examples of measures for unauthorized access are given below.
• Install a firewall
Number of settable modules
Up to eight modules can be set for remote passwords.
When using the multiple CPU system configuration, up to eight modules can be set for each CPU module.
1
1 FUNCTIONS
25
1.4 Security