Mitsubishi Electric MELSEC iQ-R Series Introduction Manual page 54

Displaying waveform data
Display the devices/labels selected in the monitor screen of the offline monitor function in a graph in GX LogViewer.
Operating procedure
1.
Select a device in the program editor or watch window.
2.
Select the waveform display.
Shortcut menu displayed by right-clicking  [Wave Display]
3.
The "Historical Trend" window of GX LogViewer is displayed.
5 OFFLINE MONITOR FUNCTION
53
Select
the device.