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2640A/2645A NetDAQ
Users Manual
3-20
Configuring Computed Channel Functions 3-26.
Computed channel functions include average, difference, difference from average,
and equation. To select computed channel functions, complete the following
procedure:
1. Select a computed channel in the Channels Configuration dialog box.
2. Click Function to open the Computed Function dialog box.
3. Select the function, the channels, and, if desired, a custom Units Label. For
example, averaging analog channels 1 and 2 is as shown below.
4. Click OK.
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Defining a Computed Channel Equation 3-27.
To define a mathematical equation for a computed channel, complete the
following procedure:
1. In the Equation field at the bottom of the box, enter the equation. See
“Equation Syntax” for information on entering equations.
2. Click OK to store the equation and return to the Channels Configuration
dialog box.