Add a channel produced by applying either a lowpass or a highpass Butterworth filter to an existing hardware channel.
The lowpass or highpass filter channel displays filtered data that excludes any noise in the signal outside of the selected
On the Channel Specification toolbar, select .
A configuration dialog opens.
Data source button. Select the channel to which you want to apply the filter.
If no channels appear in the selector, ensure that you have configured channels in your
Description for the calculated channel, if necessary.
After you configure the calculated channel, you can see the live value reflecting the filter you applied to your data. You
can use the filter calculated channel like any other channel defined in the
Filter type you want to apply, and specify the
Cutoff frequency for the filter.
A calculated channel appears at the top of the
Calculated channel data is logged with all other channels configured in your Channel Specification. For more information on
logging data, refer to the Logging Data topic.