Chapter 24 Security Function - Mitsubishi Electric MELSEC iQ-R Series User Manual

24
SECURITY FUNCTION
This function serves to protect the user property stored in a personal computer and the user property inside modules in the
MELSEC iQ-R series system against threats such as theft, tampering, faulty operation, and unauthorized execution due to the
unauthorized access by an outsider. Use an appropriate security function according to the purpose as shown in the following
table:
(1)
User property Engineering tool
Personal computer
User property
(1) Protection is provided against theft, tampering, and faulty operation resulting from unauthorized access by an outsider. (Protection for user property on a
personal computer)
(2) Protection is provided against theft, tampering, faulty operation, and unauthorized execution resulting from unauthorized access by an outsider. (Protection
for user property in CPU modules)
Data to be protected
GX Works3 Project
CPU module Program
File
Access
*1 These functions disable the password authentication for a certain duration of time after a certain number of failed authentication
attempts. For details, refer to the manuals for each function.
Personal computer (at another location)
GOT
Internet/
intranet
MELSEC iQ-R series system
Purpose
Prevents unauthorized access to programs (in units
of POU). (A password is used.)
Prevents unauthorized access to programs (in units
of program file). (A security key is used.)
Project data locked with a security key can only be
viewed with an engineering tool for which the same
security key has been registered.
Prevents unauthorized execution of programs. (A
security key is used.)
Programs locked with a security key can only be
executed at modules for which the same security
key has been set.
Prevents unauthorized read and write of files. (A
password is used.)
Blocks access from an invalid IP address by
identifying the IP address of an external device via
Ethernet.
Restricts access via Ethernet that is taking a
different route from specific communication routes.
(A password is used.)
(2)
Function
Block password function
Security key authentication
function for a project
Security key authentication
function for a CPU module
File password function
IP filter function
Remote password function
Reference
GX Works3 Operating Manual
Page 366 Security key
authentication for a CPU module
*1
• GX Works3 Operating Manual
• MELSEC iQ-R Ethernet User's
Manual (Application)
• SLMP Reference Manual
• MELSEC iQ-R Serial
Communication Module User's
Manual (Application)
MELSEC iQ-R Ethernet User's
Manual (Application)
*1
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