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10. SYSTEM MENU OPERATION IN MONITOR MODE
MELSEC-A
10.6.1 Display contents and screen operations of the trend graph redisplay
(1)
Display contents
[Display example]
<Model>
A·'
Planned n u m b e r - -
(%)
'00
Defective rate for each model
Actual number
Defective rate
...........
/
.....
_ .. _ .. _50 _
..
...
'
...
'
.-
-
..
-
.-
-
.-
-
.-
-
Elapsed time (30 minute intervals)
(a) Display contents when a screen is selected
• Displays the monitor screen canvas area including the trend graph
selected on the trend graph directory screen.
• Displays all graphs if the monitoring condition is set to display
several graphs.
• The data used for displaying a trend graph consists of the numbers
of the most recent data items. (These numbers are determined by
setting the Point space.)
• Monitor display is executed for the trend graphs corresponding to
each displayed canvas screen.
(b) Does the trend data file contain collected data?
Redisplays collected data if that data is stored in the corresponding
trend data file.
If (a) collected data is not stored in the trend data file, or (b) the
stored data has been deleted, the collected data display area be-
comes blank. (at the G-controller module start-up)
10-13
•
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