6
Ethernet Unit Function Guide Section 1-1
Reference SECTION 2 Mail Send Function in the Operation Manual Construction of
Applications
Receiving E-mail (Data and Files) at the PLC
Operation Use the mail receive function.
When the mail receive function is used, the PLC can be a ccessed throu gh a
mail address, enabling remote applications via the Internet to be constr ucted
relatively easily. With the mail receive function, any of the following remote
commands can be specified as e-mail subjects.
To use the mail receive function, there must be a separate POP3 server on
the network. Aside from the IP address, the host name used for DNS service
can be specified for the POP3 server.
Mail software
Receiving
e-mail
E-mail
IP router
Internet
Intranet
Firewall (Server room)
DNS server
POP3 server
SMTP server
SNTP server
(Office floor)
Mail software
Receiving
e-mail
Router
Ethernet Ethernet
Router
(Production line)
Sending
e-mail
Ethernet
(5) Monitoring PLC changes
and sending equipment
status to the operator by
e-mail
Ethernet Unit
PLC's I/O memory data
sent as attached file
• FileWrite (File Write)
• FileRead (F ile Read)
• FileDelete ( File Delete)
• FileList (File List Read)
• UMBackup (User Memor y
Backup)
• PARAMBackup (Parameter Area
Backup)
• IOMWrite (I/O Memory Write)
• IOMRead (I/O M emory Read)
• ChangeMod e (Operating Mode
Change)
• ErrorLogRead (Error Log Read)
• ErrorLogClear (Error Log Clear)
• MailLogRead (Mail Log Read)
• MailLogClea r (Mail Log Clear)
• Test (Mail Test)
• FinsSend (FINS Command
Send)