Mitsubishi Electric MELSEC-Q Series User Manual page 293

(2) Checking in the "Error History" window
This window lists errors including those that have occurred in other modules, and the error logs can be output in a
CSV file.
Even after the CPU module is reset or the system is powered off and on, error codes and date and time of errors
can be displayed.
[Diagnostics]
Item
Error History List
Error and Solution
Intelligent Module Information
button
*1 If an error that occurs simultaneously with a CC-Link system error is selected, the status immediately before the error
occurrence may be displayed under "Intelligent Module Information". For a master/local module, the following
information is displayed.
Host station operation status
Host data link status
Other station data link status (SW0080 to
SW0083)
Line status (SW0090)
Master station information (SB0070)
Standby master station information (SB0071)
Scan mode setting information (SB0072)
[System Monitor]
Displays error logs of modules.
Ex.
For an error ( Station number setting error) that has occurred during the initial process in
the CPU module, the date and time of the error will be displayed as "0000/00/00 00:00:00";
therefore; error logs are not displayed in reverse chronological order.
Displays the details and the corrective action of an error selected under "Error History List".
Displays the status of a master/local module when an error selected under "Error History List"
*1
has occurred.
Outputs module error logs in a CSV file.
Item
Displays the operating status of the host station.
Displays the data link status of the host station.
Displays data link status of each station.
0: Normal
1: Data link error
Displays line status.
Displays data link status.
Displays whether a standby master station exists.
Displays the setting status of the scan mode.
CHAPTER 11 TROUBLESHOOTING
button
1)
2)
3)
Description
Description
11
291