Mitsubishi Q00JCPU User Manual page 363

6
FUNCTIONS
(3) Modules that support remote password setting
The following modules support remote password setting.
(4) Remote password lock/unlock processing
Unlock the remote password of the serial communication module via a modem or that
of the Ethernet module via Ethernet.
When the remote password is matched, this enables the access to the CPU module.
Ethernet
Diagram 6.69 Outline of remote password lock/unlock processing performed for Ethernet module
• Serial communication module
• Ethernet module
• Modem interface module
Ethernet module
The remote password is
transmitted to Ethernet
module when the PLC is
powered OFF and then ON
or the reset switch is set to
the neutral position.
GX Developer
Unlocks remote password and accesses
CPU module.
When line is closed, remote password lock
processing is executed.
A check is run on the
remote password
GX Developer
6.19 System Protect
6.19.2 Remote password
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