Ftp Server Function; Restrictions; Precautions - Mitsubishi Electric MELSERVO-J5 User Manual

7.3

FTP server function

FTP (File Transfer Protocol) is a protocol to transfer files between network-connected devices. The FTP server function is
supported. Devices with the FTP client function can access files in the servo amplifier via FTP communication. The following
shows the port numbers used for the FTP server.
Port No.
20
21

Restrictions

Use the FTP server function in an active mode connection. If a firewall is set in the FTP client (such as a personal computer),
change the firewall settings to allow FTP (TCP/IP) communications.
Up to one user can access the FTP server of the servo amplifier at the same time. Do not allow multiple users to access the
server at the same time.
The file name must meet the following requirements. Only files with a name meeting the requirements can be used.
Item
File name length
Usable characters

Precautions

Restrictions are applied to each directory.
Page 495 Directory structure
If the authorization level is set to "00000000h", the relevant account cannot log into the FTP server. To make the account
access the FTP server function, set the authorization level to a value other than "00000000h".
Files and directories can be named only with ASCII characters. Do not transfer files and directories with characters such as
UNICODE format characters. Doing so may cause an unexpected operation.
Do not write unrelated files.
7 NETWORK FUNCTION (ETHERNET) [G] [A]
494
7.3 FTP server function
Description
Data transfer port
Control port
Requirement
1 to 32 characters (including the file extension)
Single-byte numeric characters
Single-byte letters (lowercase)
Single-byte letters (uppercase)
Single-byte space
Single-byte hyphen
Single-byte period
Single-byte square bracket
0 to 9
a to z
A to Z
" "
"-"
"."
"[", "]"