Mitsubishi Electric MELSEC iQ-RJ71EN71 User Manual

178
1 FUNCTIONS
1.13 Security Function
■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.
*1 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
: 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
*2 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.
External
device
*2
(Request
source)
Target programmable controller (request source)
1-1 station CPU 1-2 station CPU 2-1 station CPU 2-2 station CPU 3-1 station CPU 3-2 station CPU
A station 
B station 
C station 
D station 
RJ71EN71
Ethernet
Ethernet
RJ71EN71 RJ71EN71
Ethernet
RJ71EN71
RJ71EN71
RJ71EN71RJ71EN71
RJ71EN71
(1)
(1) (2)
(1) (1) (2) (1)
(1)
Station C
Station D
Station A
Remote
password
Remote
password
check
CPU
module
CPU
module
CPU
module
Network No.1
Network No.2
Station 1-2
Station 1-1
Station 2-1 Station 3-1
Station 3-2
Engineering tool
CPU module
Remote
password
Remote
password
check
CPU module
Network No.3
Remote
password
Remote
password
check
CPU module
Station B
Station 2-2

Mitsubishi Electric MELSEC iQ-RJ71EN71 Specifications

General

Brand	Mitsubishi Electric
Model	MELSEC iQ-RJ71EN71
Category	Controller
Language	English