Mitsubishi Electric MELSEC iQ-F Series User Manual page 35

Sending e-mails
The following figure shows the flow of sending an e-mail message consisting of the body and attachment.
FX5 CPU module
(ladder program)
(1) The FX5 CPU module (ladder program) executes the module function block (Mail_Send).
(2) The Ethernet module sends the e-mail to the SMTP server.
(3) The Ethernet module establishes a TLS/TCP session.
(4) The Ethernet module disconnects the TLS/TCP session.
(5) The module function block (Mail_Send) returns the result (Completed successfully or Completed with an error) to the FX5 CPU module (ladder program).
Ethernet module
(1)
(5)
SMTP server
(2)
CONNECT (user name password)
Return
(3)
Return (OK)
(4)
Return
4 FUNCTION LIST
33
4.3 Other Functions
4