Mitsubishi Electric MELSEC iQ-R Series Introduction Manual page 83

Synchronous playback of GX Works3 and GX LogViewer
Check which one of the four error causes has caused the error.
Operating procedure
1.
Start offline monitoring. (Page 59 Reproducing the Trouble Situation)
2.
Double-click "File Saving Trigger Establishment" in the event history to open the program of the file saving trigger
establishment condition.
At this point, you cannot tell which of the four devices causes the device error.
Error cause
3.
To determine the cause, display the waveform data in GX LogViewer.
Select a device/label  Right-click  [Wave Display]
Set file saving trigger
Select a device/label to
display the waveform.
9 OPERATION EXAMPLE
9.1 How to Check the Recording Result
9
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