7 attached file transfer times, Attached file transfer times – Omron CS CJ1W-ETN21 User Manual
Page 51
27
Attached File Transfer Times
Section 2-7
Note
The TXT file format is compatible with the CPU Unit's READ DATA FILE and
WRITE DATA FILE instructions (FREAD and FWRIT) set to tab-delimited
word format with a carriage return every 10 words.
CSV Format
When hexadecimal I/O memory data (1234, 5678, 9ABC, etc.) is being sent
as an attached file in CSV format, the data is stored with the following proce-
dure.
1.
The word data is converted to ASCII.
2.
The word data is delimited by commas (“,”: 2C).
3.
A return and line feed ([CR][LF]: 0D0A) are inserted after every 10 words.
Note
The CSV file format is compatible with the CPU Unit's READ DATA FILE and
WRITE DATA FILE instructions (FREAD and FWRIT) set to comma-delimited
word format with a carriage return every 10 words.
2-7
Attached File Transfer Times
When sending an attached file with the Mail Send Function, the access time
can be as long as 30 or 40 minutes for a very large file. The following tables
show how long the CPU Unit's memory will be accessed by the Ethernet Unit
(how long the Accessing Memory/Sending Mail Flag will be ON).
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+0
1234
5678
9ABC
DEF0
1234
5678
9ABC
DEF0
1234
5678
+10
9ABC DEF0
1234
5678
9ABC
DEF0
1234
5678
9ABC
DEF0
31
32
33
34
09
35
36
37
38
09
39
41
42
43
09
1
2
3
4
[HT]
5
6
7
8
[HT]
9
A
B
C
[HT]
35
36
37
38
0D
0A
39
41
42
43
09
5
6
7
8
[CR] [LF]
9
A
B
C
[HT]
1234
@5678@9ABC@DEF0@1234@5678@9ABC@DEF0@1234@5678@
9ABC
@DEF0@1234@5678@9ABC@DEF0@1234@5678@9ABC@DEF0
The
@ character represents a hard tab and displayed as a tab in text displays.
I/O memory contents
TXT file contents
Contents of TXT file when displayed
+0
+1
+2
+3
+4
+5
+6
+7
+8
+9
+0
1234
5678
9ABC
DEF0
1234
5678
9ABC
DEF0
1234
5678
+10
9ABC DEF0
1234
5678
9ABC
DEF0
1234
5678
9ABC
DEF0
31
32
33
34
2C
35
36
37
38
2C
39
41
42
43
2C
1
2
3
4
5
6
7
8
9
A
B
C
35
36
37
38
0D
0A
39
41
42
43
2C
5
6
7
8
[CR] [LF]
9
A
B
C
1234,5678,9ABC,DEF0,1234,5678,9ABC,DEF0,1234,5678,
9ABC,DEF0,1234,5678,9ABC,DEF0,1234,5678,9ABC,DEF0
I/O memory contents
CSV file contents
Contents of CSV file when displayed
,
,
,
,