Mitsubishi Electric Melsec Q Series User Manual page 389

10
TROUBLESHOOTING
Symptom
In the tag component where statistical
processing is set, the average, maximum or
minimum value to be calculated is reset.
The database is not updated.
Table 10.21 Troubleshooting about the DB interface function
Checked item
Is there any setting that enables data
writing to the tag component where
statistical processing is set?
Has an error occurred in [Error log] of
[Working log]?
Section 7.12.5 Checking the
working log of the MES interface
module
When trigger conditions of a job with
[Startup logging] setting are met, is the
startup logged in [Event log] of [Working
log]?
Section 7.12.5 Checking the
working log of the MES interface
module
If the startup log is identified in the above
case, is there an error in [Error log] of
[Working log]?
Section 7.12.5 Checking the
working log of the MES interface
module
In [Change job status] of [Remote
operation], is [Disable writing to database]
set?
Has an error occurred in the access log of
DB Connection Service?
Are the relevant records or table locked on
the database when inserting, updating or
deleting data?
In [Connection result of previous job
execution] of [Remote operation], is
"Connected" displayed under [Result]?
Section 7.13.3 Checking the
connection of the previous job
execution
Is the [Database type] setting in [Server
service settings] of MES Interface Function
Configuration Tool correct?
Section 7.9.1 Setting items in
Server Service setting
Is the DB buffering whose Manually resend
buffer is enabled occurred?
10.3.3 When operating the MES interface module
Corrective action
• Disable the write setting.
• Writing data to the tag component where
statistical processing is set will reset the
statistical values.
• If an error has occurred, identify the error
cause and take corrective actions.
Section 10.2 Error Code List
• If no startup data is logged, refer to the
following:
Job will not start up.
• If an error has occurred, identify the error
cause and take corrective actions.
Section 10.2 Error Code List
• Enable writing to the database.
Section 7.13.4 Changing the job
status
• If an error has occurred, identify the error
cause and take corrective actions.
Section 10.2 Error Code List
• Unlock them on the database and
execute it.
If they are locked, the execution is
delayed until they are unlocked.
• If "Disconnected" is displayed, correct
the setting of [Server service settings].
Section 7.9.1 Setting items in
Server Service setting
• Check the network connection route to
the database server computer.
• Set the database being used.
• While the DB buffering is being
performed,
resend the buffered data.
10.3 Troubleshooting by symptom
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