Mitsubishi L02CPU User Manual page 105

(2) By the FTP server
To access a password-protected file from the outside by using the FTP server function, password authentication
is required for each file. To change a file to access, password authentication is required again.
Operation
Deleting a file of a CPU module
Reading a file of a CPU module
Deleting a file of a CPU module
Reading a file of a CPU module
Changing the file name of a CPU module
Changing or displaying the file attribute of a CPU module
Authenticate a password by using the password authentication FTP command.
Disable Password (Write)
Disable Password (Read)
For details on commands, refer to the following.
MELSEC-L CPU Module User's Manual (Built-In Ethernet Function)
(3) By the MC protocol
To access a password-protected file from the outside by using the MC protocol, the request message format of
the MC protocol must be changed and a command must be specified for the file password 32.
1.
Append "Keyword" at the end of the request message, and set a password in that area.
2.
Authenticate the password using the password set to "Keyword"
3.
For the commands requiring password authentication, specify 0004, subcommand in a request
massage, as a command for the password 32.
File delete
File attribute change
File copy
File open
For details, refer to the following.
MELSEC-Q/L MELSEC Communication Protocol Reference Manual
Operation
Function
CHAPTER 3 CPU MODULE FUNCTIONS
: Authentication required, ⎯: Authentication not required
Password authentication
Command
Data write
delete
get
mdelete
mget
rename
change
Command name
quote passwd-wr <password character string>
quote passwd-rd <password character string>
Command (subcommand)
1822 (0004)
1825 (0004)
1824 (0004)
1827 (0004)
Data read
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