Mitsubishi Electric MELSEC iQ-R Series User Manual page 195

Setting method
Set on the "Remote Password Setting" window.
[Navigation window]  [Parameter]  [Remote Password]
■PING
This function uses the PING command to perform an alive check of external devices whose access is permitted in UDP
communications. Therefore, if external devices do not respond to PING, an alive check error (event code 00906) occurs.
When this function is used for UDP communications, check if the security setting of external devices (such as a firewall) is set
to respond to PING.
1.
Click the [Password] button, and register the remote
password on the "Register Password" window.
[Password] button
2.
Select the module for which the remote password is to
be applied, and set the start I/O number.
3.
Set the target connection on the "Remote Password
Detail Setting" window.
"Detail Setting" for the target module.
4.
Write the remote password to the CPU module.
5.
The remote password is enabled when the CPU module
is reset or powered off and on.
9
9 FUNCTIONS
193
9.5 Security