Mitsubishi Electric MELSEC System Q, Special Instructions Manual

Page: 221 / 316

5 MODULE DEDICATED INSTRUCTION
5.4 Network Dedicated Instruction
219
5
Setting data
*1 The following table shows the processing that depends on the selection of the execution type after executing the MRECV instruction.
Device Item Setting data Setting
range Setting
side
(s)[0] Execution/Error
completion type
(1) Error completion type (bit 7)
Specify the clock data setup status at the time of error completion.
0: Clock data at the time of error completion is not set in the area starting from (s)[11].
1: Clock data at the time of error completion is set in the area starting from (s)[11].
(2) Execution type (bit 9)
*1
Specify whether to inquire about existence of mails in the server after reading received
mails.
0: Not requested (not read)
1: Requested (read)
0000H,
0080H,
0200H,
0280H User
(s)[1] Completion status The instruction completion status is stored.
0: Normal completion
Other than 0: Error completion (error code)

System
(s)[2] E-mail No. to be read Specify the number of a mail to be read when multiple mails are received.
0: First mail
1 or more: Specified mail 0 or more User
(s)[3]

(s)[8]
System area   
(s)[9] Receive
data length For
instruction
execution Specify the data length ( attached file) of the mail that can be stored in (d1) to
(d1)+n. (Header: 1 to 373, attached file: 1 to 6144)
0: Adjust data length to that of the received mail.
1 to 6517: The number of data that can be stored in ((d1) to (d1)+n) 0 to 6517
(word)
* Includes
the header
length
explained
below. User
At
instruction
completion Data length ( attached file) of the mail stored in (d1) to (d1)+n is stored.
1 to 6517: The number of receive data stored in ((d1) to (d1)+n) System
(s)[10] Header
length For
instruction
execution Specify the header data length of the mail that can be stored in (d1) to (d1)+n.
0: Adjust header data length to that of the received mail.
1 to 373: The number of data that can be stored in ((d1) to (d1)+n) 0 to 373
(word) User
At
instruction
completion Header data length of the mail stored in (d1) to (d1)+n is stored.
1 to 373: Number of receive data stored in ((d1) to (d1)+n) System
(s)[11] Clock set flag Valid/invalid status of the data in the area starting from (s)[12] is stored.
0: Invalid
1: Valid 0, 1 System
(s)[12]

(s)[15]
Clock data
(set only when errors
occur) Clock data at the time of error completion are stored in BCD format.

System
(d1)+0

(d1)+n
Receive data Content ( attached file) of the received mail are stored.

System
Setting option Processing Advantage Disadvantage
No request
(not read) • Only e-mail read processing from the mail server is performed.
• Inquiry (reading) for the information of received mails remaining in the mail server is
performed after the time set in the GX Works2 parameter has elapsed.
Unnecessary read
processing is not
performed when
the mail server has
no mail. Even if mails remain in
the mail server, they
cannot be read
immediately.
Mails tend to be
accumulated in the mail
server.
b15 b7 b0
… …
0 0 (1) (2)
b9 b8
0
b15 b8 b7 to b0 to
s
s
s
s
Month (01
H
to 12
H
)
Hour (00
H
to 23
H
)
Second (00
H
to 59
H
)
Year (00
H
to 99
H
) First two digits
Year (00
H
to 99
H
) Last two digits
Day (01
H
to 31
H
)
Minute (00
H
to 59
H
)
Day of week (00
H
to 06
H
)
00
H
(Sun.) to 06
H
(Sat.)
[12 ]
[13 ]
[14 ]
[15 ]