Mitsubishi Electric MELSEC iQ-R Series User Manual page 68

■Accessible station
The station accessible from the external device when a remote password is set for the CPU module and the station that can
unlock/lock the remote password are limited to those in the same network number.
The following figure shows an example of when the remote password is set for multiple stations in the system.
Ex.
Station B
Engineering tool
Ethernet
Station 2-1
CPU
module
Station C
The password can be unlocked and locked by the following external devices.
• 1-1 station (1): A station only
• 2-2 station (1): C station only
• 3-2 station (1): D station only
The A station can access the  station after the remote password for 1-1 station (1) is unlocked. The  station can be
accessed if the communication line is open.
The B station can access the  station if the communication line is open.
The C station can access the  station after the remote password for 2-2 station (1) is unlocked. The  station can be
accessed if the communication line is open.
The D station can access the  station after the remote password for 3-2 station (1) is unlocked. The  station can be
accessed if the communication line is open.
: Station accessible from external device after remote password is unlocked
: Station accessible from external device even if remote password is not unlocked
: Station that cannot be accessed from external device
External device Target programmable controller (request destination)
(Request
1-1 station CPU
source)

A station

B station

C station

D station
1 FUNCTIONS
66
1.4 Security
Station A
Network No.1
Station 1-1 (1)
Remote Remote
password password
check
CPU module RJ71GN11-T2 RJ71GN11-T2
Network No.2
(1) Station 2-2
Remote
password
RJ71GN11-T2
CPU module
1-2 station CPU




Station 1-2 (1)
CPU
RJ71GN11-T2
module
Ethernet
(2)
Network No.3
(1) (2)
Remote
password
check
RJ71GN11-T2 RJ71GN11-T2
2-1 station CPU 2-2 station CPU
 
 
 
 
Station 3-2 (1)
Remote Remote
password password
check
CPU module RJ71GN11-T2
Station 3-1 (1)
CPU
RJ71GN11-T2
module
3-1 station CPU




Ethernet
Station D
3-2 station CPU



