Mitsubishi Electric MELSEC iQ-F FX5 User Manual page 110

■Deleting logs
Click the [Clear Log] button to delete logs in a master/intelligent device module
If the [Clear Log] button is clicked with "RAM + Flash ROM" selected, the logs stored in the flash ROM will also be deleted.
While the logs on the flash ROM are being deleted, do not power off the master/intelligent device module.
■Precautions
• Logging will not start in the following cases.
Item
Logs stored on the flash ROM have not yet been fully deleted.
"RAM + Flash ROM" has been selected and 45 logs have already been stored in the flash ROM.
The cumulative number of times that logs are stored in the flash ROM has exceeded 100000 times.
• The log storage areas listed below are available. To store 96 or more items (maximum 5000 items), keep the engineering
tool connected even after logging is started. If the number of logs stored in the RAM area has exceeded 95 without
connecting the engineering tool, the stored log will be overwritten, starting with the oldest one.
Log storage area
RAM area (equipped in a module)
Flash ROM area (equipped in a module)
Hard disk of the engineering tool (personal computer)
• When link refresh setting for link special relay (SB) is set, logging stops when the RUN/STOP/RESET switch of the CPU
module is operated during logging.
Creating a check sheet
A check sheet, which is useful for performing troubleshooting, is created through a wizard and with reference to the Open
Field Network CC-Link Troubleshooting Guide.
■Procedure
1.
Open the "CC-Link Diagnostics" window.
[Diagnostics]  [CC-Link Diagnostics]
2.
Double-click "Create Check Sheet" in "Related Functions."
3.
Configure settings with answering a series of questions displayed on the windows.
The created check sheet is saved in Excel format.
Do not check the transmission speed setting using a program or other peripherals at the same time. If
executed at the same time, checking of transmission speed setting may fail.
9 TROUBLESHOOTING
108
9.2 Checking the System Status
Number of logs stored
95 logs maximum
45 logs maximum
5000 logs maximum