Mitsubishi Electric MELSEC Q Series User Manual page 267

6 FUNCTIONS
6 - 44
(c) Processing performed when file becomes full
1) Creating new file and saving current file
When the currently logging file becomes full, a new file is created.
The file that has become full is renamed and saved. (Creation of saved
file)
2) Saved files names
Saved files names are consecutively numbered with 8 digits
(hexadecimal).
By setting the "Saved files names" in the logging setting, the name,
date and time can be added to the saved file name.
(Example) LOGNAME_20030702_201230_00000001.CSV
3) When storing saved file into external device
By setting "External storage setting" in the logging setting, the saved
file can be sent by E-mail or transfered when it is stored.
LOGGING LOGNAME
[ ] indicates the setting item of logging setting.
(d) When the date and time are greatly increased due to the time acquisition
from the CPU No.1
The process when the file capacity is full may not be executed even when
the date and time before and after the time acquisition is elapsed for the
date and time specified in "Time specification" of "File capacity".
Refer to Section 3.9 for the acquisition timing of Web server module.
(3) When the number of saved files exceeds the set value
When the number of saved files exceeds the set value, operation is performed
according to the setting of "When the number of saved files exceeds the above
set value" in the logging setting.
(a) When "Overwrite" is selected
Deletes the oldest file and keeps on logging.
(b) When "Stop" is selected
Stops logging.
A logging saved file number over error (615h) occurs. (Refer to Section
9.3.)
Name Date Time
LOGNAME.CSV
00000001.CSV
00000001.CSV
MELSEC-Q
Serial number (8-digit hexadecimal)
(Serial number is always added)
New file is created.
File that has become full is renamed
and saved. (Saved file)
[Saved file name]
Saved file is sent by E-mail or transferred.
[External storage setting]
6 - 44