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3. AD57G MONITORING FUNCTIONS
MELSEC-A
Sampling completed: After data collection and the graph display
are started or resumed.
Sampling interval
:
After data collection and the graph display
are started or resumed until data collection and
graph displays for an entire graph are completed.
Graph delete
: After the sampling completed conditions are satisfied.
(2)
Trend graph display format
From the first sampling to the last sampling, the overlap operation is
done for each sampling.
(When the number of times of data collection exceeds the number of
dsplay points, giving the next sampling start command continues the
graph display from the original point.)
(3)
Data collection timing
Data is collected at the sampling interval (every 0.1 to 3600 sec),
specified bit device leading edgelfalling edge, or specified interval.
<Example>
When the changing state of electric current is displayed in a trend graph:
Electric current value monitor
[Monitor screen creation]
The following gives the settings required to use the "overlap type trend graph
display" function:
(1)
Graphic data set by using the GED
Canvas screens such as the graph display frame, scale display, and unit
display must be created.
Create a vertical or horizontal grid in the graph when necessary.
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