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Using Measure Data

Acquisition Tasks with VBA

This chapter describes how to run tasks from within Visual Basic for Applications.

There are two ways to execute DAQ Add-In functions in a VBA module.

1. Indirectly, you can use

Application.Run

returnValue=Application.Run(“FuncName”, arg1)

Application.Run “FuncName”, arg1

2. Directly, after you add a reference to the DAQ Add-In. To add a reference to the

DAQ Add-In, select Tools»References and select the checkbox next to the Data

Acquisition Add-In.

returnValue = FuncName(arg1)

FuncName arg1

Function Reference

The DAQ Add-In has one function that you can call to run a task that has been

configured already and one function to translate an error code to an error description.

DAQ

Runs the task named

TaskName

Syntax

Function DAQ(TaskName as String, [NewTargetRange as String],

[ReferenceStyle as Variant]) as Integer

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National-instruments Measure Data Acquisition Manual de usuario Pagina 43