Each routine corresponds to a programmatic operation such as configuring, reading from, writing to, and triggering the instrument. Installing Software Refer to the instrument driver Readme file for detailed software requirements. This list can be long, so you might need to browse for keywords that match the driver, such as the vendor name or “IVI”. The class interface changes and a new set of properties and methods are now selectable, shown in Figure 6. Refer to the instrument driver help to determine the array data type.

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Using dotted properties and methods.

In Figure 7notice that the sessions to the DCVoltage interface and to the driver session are closed after they are used. An example of how to access the help for the Initialize method is shown in Figure 9.

Links to complete examples demonstrating how to execute 334401a Measurement method and read the measured value are provided at the end of this document.

Using an IVI-COM Instrument Driver in LabVIEW

Click on the block diagram to place the Initialize method on the diagram. Figure 10 shows the Jvi Help window for the AutoRange property. Instrument drivers simplify instrument control and reduce test program development time by eliminating the need to learn the programming protocol for each instrument. Using the Class Browser. Automation Open and type library refnum.

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Solved: create IVI driver for HP a – Discussion Forums – National Instruments

Place a checkmark in the Show 3440a Objects Only check-box to display only objects that you can create. The Type Library list contains the type libraries for all the registered ActiveX servers on the system in alphabetical order. You should consider all driver choices available, and choose the driver that best fits your needs. Learn more about our privacy policy.

34401A Digital Multimeter IVI and MATLAB Instrument Drivers

Selecting a dotted property. The class interface changes and a new set of properties and methods are now selectable, shown in Figure 6.

This list can be long, so you might need to browse for keywords that match the driver, such as the vendor name or “IVI”. The block diagram should now appear similar to Figure 2. An instrument driver is a set of software routines that 34401s a programmable 34401z. Dottable properties have a blue glyph next to the property name. This is typically the first interface in the list.

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Automation Open and Initialize method. Rate this document Select a Rating 1 – Poor 2 3 4 5 – Excellent. Selecting help for Initialize method.

You should close references iiv all ActiveX sessions and interfaces when you are finished using them. Agilent IO Libraries Suite version Converting variant data to an array See Also: A dialog box appears, shown in Figure 1.

Viewing context help for AutoRange property. Select the same type library you selected for the Automation Open refnum. Refer to the instrument driver help to determine the array data type.

Dotted properties are a shorthand alternative to cascading multiple Property Nodes that return interface references needed for wiring properties and methods specific to a given interface.

Each routine corresponds to 3441a programmatic operation such as configuring, reading from, writing to, and triggering the instrument. Installing Software Refer to the instrument driver Readme file for detailed software requirements.