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Using the Data Watch Window
372 SPU 780 01EMAN May 2002 183
Sample Rate Specifies how often to poll the device for data. The faster the polling is, the more
accurate the data is, but the client computers responses will become more sluggish.
This rate also affects the rate that data points are logged. The minimum sample rate
is one read every sixty minutes, and the maximum sample rate is one read every 25
milliseconds.
Setting the
Sample Rate
In the Data Watch Window Properties dialog:
Note: This is a target sample rate. The actual sample rate may be slower than you
specify due to a large amount of data being polled and the capabilities of your
machine.
Step Action
1 Move the Sample Rate slider to the right for a slower sample rate or to the left
for a faster sample rate.
2 Click OK to save the changes and return to the Data Watch Window.