6
FUNCTIONS
6.16 Remote password
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6.16 Remote password
(1) Definition
Remote password is a function to prevent an illegal access to the CPU module by
users in remote locations.
If a remote password is set, a remote password check is performed when the CPU
module is accessed by users in remote locations.
(2) Flow from remote password setting to reflection
Set a remote password using GX Developer and then write it to the CPU module.
(
The remote password is transferred to the modules that accept remote password
setting (
(3) in this section ) when the programmable controller is powered
OFF ON (at power ON) or the reset operation of the CPU module is performed (at
reset).
Diagram 6.29 Overview of remote password
GX Developer sets, changes or deletes the remote password
and then write the result to the CP
U module.
GX Developer
The remote password is transferred to the
Ethernet module at power ON or reset.
The remote password is checked.
Ethernet
Ethernet module
Summary of Contents for MELSEC QS Series
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