The plot time field controls the time interval between plot samples. Because the number of samples for a full graph is fixed, the total graph length is also set by this parameter. In a full graph, there are 1024 samples. The plot time units are 1000/1024 milliseconds. Therefore, to request the graphs on an axis to be 4 seconds in length, this parameter should be set to 4. This will result in 1024 samples, each 4000/1024 milliseconds apart, for a total length of 4000 milliseconds.
The following two equations can be used for requesting a plot length:
Full Plot Length = PLOT TIME x 1 second
Plot Interval = PLOT TIME x 1000 ms
1024
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