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Mail Receive Function Overview Section 3-1
■ Remote Mail Commands
Enter the remote command (for example, FileRead) in ASCII in the e-mail
subject line.
■ Command Parameters
Enter the parameters (for example, Para1:Overwrite=OK) in ASCII in the e-
mail body.
■ Attached File Data
With remote write commands, a single file can be attached containing the
write data.
When writing data (up to 6,000 words) in a specified part of I/O memory, the I/
O memory data is attached as a data file (.IOM, .TXT, or .CSV).
When writing a data file (up to 1 MB) in file memory, any type of file can be
attached.
Timing of Mail Reception Mail sent to the local address will be received at the following times (interval
time) and the corresponding command will be executed.
■ Reception Timing
Mail is checked at the check-mail interval (Server access interval time) set in
the POP Tab. The Server access interval time is set in minutes and the default
setting is 5 minutes.
Response to the Remote
Mail Command
A response e-mail is automatically sent to the e-mail address from which the
remote mail command was sent. The response e-mail contains the results of
the remote mail command execution.
■ Remote Mail Commands
The remote command response (for example, Re: FileRead) is entered in
ASCII in the e-mail subject line.
■ Command Execution Results
The response code (for example, Response Code:0000) is entered in ASCII
in the e-mail body.
Any parameters entered in the command e-mail will remain in the body of the
response e-mail (for example, >Para1:Overwrite=OK).
■ Attached File Data
With read commands from the PLC a single file can be attached in response.
When reading data (up to 6,000 words) in a specified part of I/O memory, the
I/O memory data is attached as a data file (.IOM, .TXT, or .CSV).
When reading a data file (up to 1 MB) in file memory, any type of file can be
attached.
3-1-2 Table of Remote Mail Commands
The following table lists the remote mail commands that can be sent.
Remote mail command type Contents Remote mail command
Accessing the CPU Unit's I/O memory area A file can be attached to read/
write data in a specified data
area.
• IOMWrite (I/O Memory Write)
• IOMRead (I/O Memory Read)
Changing the CPU Unit's operating mode The CPU Unit's operating
mode can be changed.
• ChangeMode (Operating
Mode Change)