Remote Password Setting Processes (Unlock And Lock Processes) - Mitsubishi Electric QJ71E71-100 User Manual

14.4.2
Remote password setting processes (unlock and lock
processes)
This section describes the processes that enable/disable access from the connected devices to the programmable
controller.
(1) Access permission process (unlock process)
• To access the specified CPU module, the connected device performs a remote password unlock process for
the remote password-protected E71 on the station in direct connection (own station). The following are
unlock process methods.
• Dedicated command of the MC protocol (remote password (unlock): 1630)
• When the file transfer (FTP server) function is in use: Dedicated FTP command (password-unlock)
• Programming tool: Input of the remote password in the window
• When the Web function is in use: Input of a remote password in the window displayed on the Web
browser
• When the unlock process is not performed, the remote password-set E71 that has accepted a
communication request checks an entered remote password and disables access to the specified station.
• All data received prior to the unlock process is treated as an error.
(2) Access process
• Access to the specified station is enabled when the remote password unlock process is completed normally.
• Specify the station to be accessed and access the station.
(3) Access prohibition process (lock process)
• To terminate the access to the specified station, the connected device performs the remote password lock
process to disable subsequent access. The following are lock process methods.
• Dedicated command of the MC protocol (remote password (lock): 1631)
• When the file transfer (FTP server) function is in use: Dedicated FTP command (password-lock)
• Programming tool: Automatically executes the lock process.
• When the Web function is in use: Automatically performs a lock process when the Web browser is
closed.
CHAPTER 14 OTHER FUNCTIONS
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