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Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 109

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Status logging
Data link status of all stations is logged. When multiple stations repeatedly fail and recover or stations after a specific station
do so, the location of the error cause, such as poor cable connection and noise, can be easily identified.
With "RAM + Flash ROM" selected, the first 45 logs after logging start are stored on the flash ROM. Logs stored on the flash
ROM can be checked even after the system is powered off and on or the CPU module is reset.
Status logging is performed at the master station.
■Procedure
1.
Open the "CC-Link Diagnostics" window.
[Diagnostics]  [CC-Link Diagnostics]
2.
Double-click "Status Logging" in "Related Functions."
3.
Set "Time of Logging Acquisition."
Enter the period for which logging is being executed.
When 0 seconds is set, logging will be continued until the [Stop Logging] button is clicked or the number of logs reaches 5000.
4.
Select either "RAM" or "RAM + Flash ROM" in "Log Storage Area in CC-Link Module."
• If the engineering tool cannot be connected at all times, select "RAM + Flash ROM." After logs are collected, connect the
engineering tool to check the log (maximum 45 items) stored in the Flash ROM.
• If the engineering tool can be connected at all times, up to 5000 logs can be stored regardless of the selected option
("RAM" or "RAM + Flash ROM").
5.
Click the [Start Logging] button.
Logging will be executed for the specified period.
Logging will stop when the [Stop Logging] button is clicked, or the number of logs reaches 5000.
6.
Select the item in the "Log List" to display its status in the log display part.
■Saving logs in a CSV file and reading the saved logs
Click the [Save] button to save the information displayed under "Log List" to a CSV file.
Click the [Read] button to read the saved CSV log file and display the contents under "Log List."
9 TROUBLESHOOTING
9.2 Checking the System Status
9
107
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