Mitsubishi QJ71E71-100 User Manual

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MELSEC-Q
2 USING THE E-MAIL FUNCTION
2.7.2 When receiving data in the attached file
This section explains the MRECV instruction and a program to receive e-mails sent
from external devices.
The MRECV instruction reads the attached file received.
(D2)
2) 3) 4)1)
(D1)
(S)
"Un"
ZP.MRECV
Attached file
Header
Read
Mail server
Header + attached file
Qn
CPU
QJ71E71
I/O No.
Main text of mail
1) I/O number of the Ethernet module
2) Control data (such as mail No. to be read)
3) Storage device of header + attached file
4) Complete bit
Receive mail is temporarily stored in the buffer memory shown below.
Address
(hexadecimal)
Item Description Remarks
2680
H
Received e-mail size Indicates the size of received e-mail (header + attached file) data.
2681
H
Header size Indicates the size of the header data.
2682
H
Mail information
(
1
)
—
2683
H
Head address of attached file
Indicates the head address where the attached file data information is
stored.
2684
H
Head address of header Indicates the head address where the header information is stored.
2685
H
From head address Indicates the head address of this data stored in the header information.
2686
H
Date head address Indicates the head address of this data stored in the header information.
2687
H
Subject head address Indicates the head address of this data stored in the header information.
2688
H
Attached file name head address Indicates the head address of this data stored in the header information.
2689
H
Message ID head address Indicates the head address of this data stored in the header information.
(
2
)
268A
H
System area —
Header information (maximum of
373 words)
Indicates the content of the header designation items above.
268B
H
to 3FFF
H
Attached file (maximum of 6144
words)
Indicates the contents of the attached file data.
4000
H
System area —
—

Mitsubishi QJ71E71-100 Specifications

General

Brand	Mitsubishi
Model	QJ71E71-100
Category	Controller
Language	English