Mitsubishi Electric MELSEC-Q Series User Manual page 319

(b) Saving logs in a CSV file and reading the saved logs
To save the information displayed under "Log List" in a CSV file, click the
To read the saved CSV log file and display the contents under "Log List", click the
(c) Deleting logs
1.
To delete logs in a master/local module, click the
If the
will also be deleted. While the logs on the flash ROM are being deleted, do not power off the master/local
module.
(2) Precautions
(a) Starting logging
Logging will not start in the following cases:
• Logs stored on the flash ROM have not yet been fully deleted (error code: B323).
• "RAM + Flash ROM" has been selected and 45 logs have already been stored on the flash ROM (error
code: B324).
• The cumulative number of times that logs are stored on the flash ROM has exceeded 100,000 times (error
code: B325).
(b) Log storage areas and the number of storable logs
The following log storage areas are available:
• RAM area (equipped in the module): Up to 95 logs
• Flash ROM area (equipped in the module): Up to 45 logs
• Hard disk on GX Works2 (personal computer): Up to 5000 logs
To store 96 or more logs (maximum 5000 logs), keep GX Works2 connected even after logging is started. If the
number of logs stored in the RAM area has exceeded 95 with GX Works disconnected, the stored log will be
overwritten from the oldest one.
button is clicked with "RAM + Flash ROM" selected, the logs stored on the flash ROM
CHAPTER 11 TROUBLESHOOTING
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