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Mail Send Function Details Section 2-2
■ Attached Files
An I/O memory data file created automatically by the Ethernet Unit (a speci-
fied range of the CPU Unit's I/O memory data converted to a .IOM, .TXT, or
.CSV file) or any file in file memory (in the CPU Unit's Memory Card) can be
sent as an attached file.
■ Send Timing
An e-mail can be sent automatically when a dedicated control bit goes from
OFF to ON, a specified word's value meets a preset condition, a specified bit's
status changes, an entry is recorded in the Ethernet Unit's error log, the CPU
Unit's status changes (a non-fatal error occurs, a fatal error occurs, or the
operating mode changes), or at periodic intervals.
■ Send Mail Conditions
Up to 8 send mail conditions can be preset to send an e-mail automatically
when the specified conditions are met. Conditions include the send destina-
tion, trigger type, I/O memory addresses to be converted to a data file or the
name of the file to be read from file memory, and periodic sending interval.
2-1-2 Comparison with the Earlier Mail Send Function
2-1-3 Mail Send Function's Compatibility with Earlier Models
When a CS1W-ETN21 or CJ1W-ETN21 is used to replace a CS1W-ETN01/
11 or CJ1W-ETN11 Ethernet Unit in an application, the Unit's functions are
downwardly compatible if the following status bits are used.
2-2 Mail Send Function Details
The Mail Send Function can send information in the body of the e-mail as well
as in an attached file.
Item Earlier version Current version
Model CS1W-ETN01/11
and CJ1W-ETN11
CS1W/CJ1W-ETN21
Attached file Not supported. Supported.
A range of I/O memory data can be con-
verted to a data file and attached, a file in a
Memory Card mounted in the CPU Unit can
be attached, or a file in the CPU Unit's EM
file memory can be attached.
Send mail con-
ditions
Any of the following:
A dedicated control
bit (the Mail Send
Switch) goes OFF to
ON, the status of the
Ethernet Unit
changes (an entry is
recorded in the error
log), periodic timer
Any of the following:
• A dedicated control bit (Mail Send Switch)
goes OFF-to-ON.
• A specified word's value changes (=, <>,
<, <=, >=, or > condition).
• A specific bit changes (OFF-to-ON or ON-
to-OFF).
• Ethernet Unit changes (entry in error log).
• CPU Unit changes (non-fatal error occurs,
fatal error occurs, or operating mode
changes).
• Periodic timer
ETN01/11 ETN21
User mail send status Status of send condition setting 5
Periodic mail send status Status of send condition setting 6
Error mail send status Status of send condition setting 7