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MELSEC-Q
2 USING THE E-MAIL FUNCTION
2.4 E-mail Specifications
The following table lists the specifications of the e-mail function.
Item
Specification
Attached file
6 k words
1
Data size
Main text
960 words
1
Data transfer method
When sending: Sends either a file as attachment or main text (select one).
When receiving: Received a file as attachment.
Subject
Us-ASCII format or ISO-2022-JP (Base 64)
Attached file format
MIME format
MIME
Version 1.0
Data of attached file format
Binary/ASCII/CSV can be selected.
File name: XXXX.bin (binary), XXXX.asc (ASCII), XXXX.csv (CSV)
(CSV: Comma Separated Value)
Division of attached file
Cannot be divided (only one file can be sent/received)
If any divided files are received, only the first file will be received and the remaining files
will be discarded.
When sending (encode)
Subject: Base 64/7 bits
Main text: 7 bits
Attached file: Base 64
When receiving (decode)
Subject: (Does not decode)
Main text: (Cannot be received)
Attached file: Base 64/7 bits/8 bits/Quoted Printable
If e-mail is sent from the external device to the PLC side, specify the encoding method
(Base 64/7 bits/8 bits/Quoted Printable) of the attached file.
Encryption
No
Compression
No
Communication with mail
server
SMTP (sending server) Port number = 25
POP3 (receiving server) Port number = 110
Transmission
specifications
Transmission
and reception
data
Operation check mailer
Microsoft
®
Corporation Internet Explorer 5.0 (Outlook Express 5.5/Outlook Express 5)
Netscape
®
Communications Corporation Netscape
®
4.05
REMARK
Internet mail terminology list:
DNS server: Server that manages networks
SMTP server: Server that delivers (transfers) e-mail between mail servers
POP3 server: Server that transfers received e-mail addressed to subscribers to
the corresponding subscribers