Mitsubishi Electric MELSEC iQ-R Series User Manual page 172

Item
File switching setting
[Transfer setting] button
*1 When writing the setting after changing the accumulating file name, updating the setting, or powering OFF  ON, the accumulating file
used before changing the setting is switched and a new accumulating file is created.
*2 The file is switched in the following situations regardless of the set timing.
When the number of lines (number of records for binary) reaches 100000 if the "Number of records" is not selected
When there is no e-mail address setting in the transfer settings and the file size reaches 16 MB if "File size specification" is not selected.
When there is an e-mail address setting in the transfer settings and the file size reaches 512 KB if "File size specification" is not
selected.
*3 When selecting the compound condition, "Number of times" and "Order" do not exist for the condition.
*4 The upper limit is 255 if a subfolder is not created.
*5 Up to 256 subfolders are created. When creating the 257th subfolder, the subfolder of which the creation time is the oldest is deleted.
Therefore, when specifying the condition for folder switching, the specified number of saved files may not be created.
*6 The accumulating file and the specified number of saved files are saved on the SD memory card.
When "Fixed cycle" or "Time specification" is selected for the condition specification, the file gets switched at
power on when the specified cycle elapses or the specified time reaches during the period from power OFF to
power ON.
By setting the following settings, only trigger logging data before and after the rising of trigger condition can be
output to a report.
• Select "Trigger logging unit" in the [file] tab of the data logging settings.
• Select "Saved file" in "Source file" on the "Data logging layout" screen of the report settings. (Page 199
Data logging layout)
• Select "At the data logging file switching" on the "Trigger condition setting" screen of report settings.
(Page 207 Creation trigger)
2 HIGH SPEED DATA LOGGER MODULE CONFIGURATION TOOL
170
2.5 Data Logging Setting
Number of saved files Number of saved files
Overwrite
Stop
Description
Specify the maximum number of saved files excluding accumulating
*4*5
files.
Select this to delete the oldest file (the oldest file created by a high speed
data logger module) and continue data logging, when the number of
saved files has already exceeded the specified number at a file switching.
When the folder becomes empty by deleting oldest files, that folder is
automatically deleted.
Select this to stop data logging when the number of saved files has
already exceeded the specified number at the time of file switching.
Turns ON the corresponding bit for 'Number of saved files exceeded
information' (Un\G2016 to 2019) in the data logging status area of the
buffer memory.
Logging is restarted when clearing the logging file. (Page 221 SD
memory card diagnostics)
Edit the settings to transfer the saved file or to send it by e-mail.
Page 172 Transfer setting
*6