Data Logging Status - Mitsubishi MELSEC Q series User Manual

6.4

Data Logging Status

There are four data logging status levels:
• Start
• Pause
• Stop
• Completion
(1) Start
By a data logging start request, register a data logging
following:
• Start operation from the configuration tool ( Page 149, Section 8.10)
• Turning on the special relay (Data logging start)
*1 Data logging can be registered by the following:
 Power off  on
 Reset
 STOP  RUN
 Auto logging start
(2) Pause
With the data logging setting registered, the data logging is stopped temporarily. The following operation and
status causes a pause.
• Pause operation from the configuration tool ( Page 149, Section 8.10)
• Turning off the special relay (Data logging start)
• The CPU module is in the STOP status. (Including a stop error)
(3) Stop
Registration of the data logging setting in the CPU module is canceled. The following stops data logging.
• Stop operation from the configuration tool ( Page 149, Section 8.10)
Latch clear will clear the data logging status, and make it unregistered. To execute data logging again, start it from the
configuration tool. Also, if "Format PLC Memory" is executed to the memory where the currently executing data logging file is
stored, the data logging status will be cleared and left unregistered. To execute the data logging again, write the
configuration of the data logging, and then start it from the configuration tool.
(4) Completion
Data logging is completed with the data logging setting registered. Perform the following.
(a) For continuous logging
In the "Save" setting of the data logging setting, when "Stop" is selected for "Operation occurring when number
of saved files is exceeded", the data logging is completed at the time the number of saved files reaches the
specified value.
(b) For trigger logging
After sampling the data, of which number of records is specified in the "Number of records" setting of the data
logging setting, and after saving them to an SD memory card, the data logging is completed.
CHAPTER 6 DATA LOGGING FUNCTION
*1
and start it. Data logging start can be requested by the
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