Mitsubishi MELSEC-Q Series User Manual page 238

6 FUNCTIONS
Web server module
After event occurrence, logging
stops in specified time.
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(2) Logging data before and after event occurrence can be stored
By setting the occurrence of an event as the start/stop condition of logging,
logging data before and after event occurrence can be stored.
This enables only necessary data to be stored without the logging data before
and after event occurrence being buried in the file.
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Event
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occurrence
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POINT
Since the tag data collected by the Web server module are logged, it is required to
make tag setting in advance when using the logging function.
MELSEC-Q
Data before and after
event occurrence are
always located in the
latest positions.
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