Chapter 11 Monitoring
11-78
[Description of Dialog Box]
a. Max. sample to display: displays the maximum number of samples available to scroll in the graph.
b. Time: displays the maximum number of samples available for a second.
c. Max. sample to keep: displays the maximum number of samples available to save on the file.
d. Time: displays the maximum number of samples available to keep for a second.
Notes
a. The ‘Max. samples to display’ can not be greater than the ‘Max. sample to keep’.
b. The ‘Max. time to display’ can not be greater than the ‘Max. time to keep’.
c. The relationship between the Max. samples to keep and the Max. sample to displayed is as shown below.
In the figure below, ‘Graph’ is of a graph area presently displayed on the screen, which is available to scroll
horizontally as many as the max. samples displayed.
d. The Max. samples to keep means the max. number of samples available to save on the file, refer to the
section of 11.7.5 ‘8) Text’..
e. Frequency: used to specify the cycle to read data from PLC. The shorter the cycle is, the more correct the
data is, which may have an influence on PLC scan and PC performance, though.
f. Device Setting: used to designate the device to monitor. The device can be displayed in bit or in real as
specified.
g. OK: applies the changed items and closes the dialog box.
h. Cancel: closes the dialog box.
Max. sample to keep
Max. sample to display
Area available to scroll
Time
Graph
Value
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