The class interface changes and a new set of properties and methods are now selectable, shown in Figure 6. Figure 10 shows the Context Help window for the AutoRange property. This site uses cookies to offer you a better browsing experience. An example of how to access the help for the Initialize method is shown in Figure 9. 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.

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Instrument drivers simplify instrument control and reduce test program development time by eliminating the need to learn the agilnt protocol for each instrument. Selecting help for Initialize method. Dottable properties have a blue glyph next to the property name.

Agilent 34401A Digital Multimeter Instrument Driver

Refer to the instrument driver help to determine the array data type. Rate this document Select a Rating 1 – Poor 2 3 4 5 – Excellent.

This site uses cookies to offer you a better browsing experience. Automation Open and type library refnum.

Agilent A Digital Multimeter Instrument Driver – MATLAB & Simulink

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.

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Using dotted properties agilebt methods. A dialog box appears, shown in Figure ii. 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. Using the Class Browser.

An example of how to access the help for the Initialize method is shown in Figure 9. Select the same type library you selected for the Automation Open refnum. Selecting a dotted property. This is typically the first interface in the list. Each routine corresponds to a programmatic operation such as configuring, reading from, writing to, and triggering the instrument. Click on the block diagram to place the Initialize method on the diagram.

Using an IVI-COM Instrument Driver in LabVIEW – National Instruments

Place a checkmark in agilsnt Show Creatable Objects Only check-box to display only objects that you can create. Learn more about our privacy policy. Viewing context help for AutoRange property. Links to complete examples demonstrating how to execute the Measurement method and read the measured value are provided at the end of this document.

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You should consider all driver choices available, and choose the driver that best fits your needs.

Automation Open and Initialize method. Converting variant data to an array See Also: The Type Library list contains the type libraries for all the registered ActiveX servers on the system in alphabetical order. You should close references to all ActiveX sessions and interfaces when you are finished using them.

In Figure 7notice that the sessions to the DCVoltage interface and to the driver session are closed after they are used. Agilrnt IO Libraries Suite version Figure 10 shows the Context Help window for the AutoRange property. Installing Software Refer to the instrument driver Readme file for detailed software requirements.

An instrument driver is a set of software routines that control a programmable instrument.