The class interface changes and a new set of properties and methods are now selectable, shown in Figure 6. Click on the block diagram to place the Initialize method on the diagram. Using the Class Browser. Selecting a dotted property. Viewing context help for AutoRange property.
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Viewing context help for AutoRange property. Refer to the instrument driver help to determine the array data type.
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Selecting help for Initialize method. The class interface changes and a new set of properties and methods are now selectable, shown in Figure 6. Dottable properties have a blue glyph next to the property name. Converting variant data to an array See Also: Automation Open and Initialize method. Automation Open and type library refnum.
Click on the block diagram to place the Initialize method on the diagram.
34401A Digital Multimeter IVI and MATLAB Instrument Drivers
This list can be long, so you might need to browse for keywords that match the driver, such as the vendor name or “IVI”. Selecting a dotted 34410a. Instrument drivers simplify instrument control and reduce test program development time by eliminating the need to learn the programming protocol for each instrument. Place a checkmark in the Show Creatable Objects Only check-box to display only objects that you can create.
Figure 10 shows the Context Help window for the AutoRange property. The Type Library list contains the type libraries for all the registered ActiveX servers on the system in alphabetical order.
Using the Class Browser. You should consider all driver choices available, and choose the driver that best fits your needs.
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.
Using an IVI-COM Instrument Driver in LabVIEW – National Instruments
An instrument driver is a set of software routines that control a programmable instrument. Agielnt dialog box appears, shown in Figure 1. In Figure 7notice that the sessions to the DCVoltage interface and to the driver session are closed after they are used.
You should close references to all ActiveX sessions and interfaces when you are finished using them.
Rate this document Select a Rating 1 – Poor 2 3 4 5 – Excellent. This is typically the first interface in the list. Select the same type library you selected for the Automation Open refnum. Installing Software Refer to the instrument driver Readme file for detailed software requirements. Using dotted properties and methods. Links to complete examples demonstrating how to execute the Measurement method agi,ent read the measured value are provided at the end of this document.
The block diagram should now appear similar to Figure 2.