Mitsubishi Melsec-L Series User Manual page 145

(3) Stations that can be accessed when the remote password check is performed
When the CPU module is protected with a remote password, the stations accessible by the connected device and
the LCPU stations that can perform the remote password unlock/lock processes are limited to those in the same
network. The following shows an example of accessible stations.
When a remote password has been set in the LCPU on the station 1-1, and the remote password check
Ex.
has been set in 1) on the station 1-1
Station B
Programming tool
Ethernet Network No.2
Station 2-1
LCPU
Station C
The station A is the only connected device that can perform an unlock/lock process for 1) of the station 1-1.
●: Stations that can be accessed from the connected device after the remote password unlock process
: Stations that can be accessed from the connected device without performing the remote password unlock process
Connected
*1
device Station 1-1
(request source)
LCPU
Station A ●
Station B
Station C
Station D
The station A can access the stations marked with ● after the remote password unlock process is completed for 1) of the
*1
station 1-1. It can access the stations marked with
access the stations marked with
Station 1-2
Station A
Network No.1
Station 1-1 1)
Remote Remote
password
password
check
LCPU E71
1) Station 2-2
E71
LCPU
Target programmable controller station (request destination)
Station 1-2
LCPU
when the communication lines are open.
1)
E71
LCPU
Ethernet
2) Station 3-2
E71
Network No.3
1) 2) Station 3-1
E71 E71
LCPU
Station 2-1 Station 2-2
LCPU LCPU
● ●
when the communication lines are open. Stations B, C, and D can
CHAPTER 12 OTHER FUNCTIONS
1)
LCPU E71
Ethernet
1)
E71
Station D
Station 3-1 Station 3-2
LCPU LCPU
● ●
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