Mitsubishi Electric MELSEC iQ-R-R00CPU User Manual page 184

To stop trigger logging
The user can completely stop data logging by instructing CPU Module Logging Configuration Tool to stop data logging and
unregister the data logging settings stored in the CPU module. (The special relay (data logging start) turns off.)
To suspend/resume trigger logging
The user can suspend data logging with the data logging settings remaining intact by doing either of the following:
• Instruct CPU Module Logging Configuration Tool to suspend data logging (the special relay (data logging start) turns off).
• Turn off and on the special relay (Data logging suspend/resume flag).
To resume trigger logging from suspension, do either of the following:
• Instruct CPU Module Logging Configuration Tool to resume data logging (the special relay (data logging start) turns on).
• Turn on and off the special relay (Data logging suspend/resume flag).
Number of records
Specify the number of records to be collected before and after the satisfaction of a trigger condition. ( Page 974 Number
of logging lines)
Trigger logging
start
Collected
data
*1 This number includes the record exactly at the time when the trigger condition is met.
After starting data logging, if the trigger condition is met before data collection of the specified number of
records (before trigger) is completed, the number of sampled records will be less than the specified.
11 DATA LOGGING FUNCTION
182
11.3 Logging Type
Trigger condition occurrence
Number of records Number of records
before trigger after trigger
Total number of records
Trigger logging
completion
*1