INITIALIZING THE IVI COM DRIVER

You configure the logical name, driver session, specific driver, and hardware asset with MAX. Specifies whether the IVI specific driver validates attribute values and function parameters. You can use the same session in multiple program threads. The program throws an error that looks like a resource problem: This site uses cookies to offer you a better browsing experience. Message 1 of Numeric value in minutes.

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ClassPrefix Initialize

Although you can open more than one IVI session for the same resource, it is best not to do so. Sends initialization commands to set the instrument to the state necessary for the operation of the instrument driver. Instantiating the driver by name keeps the client program from having any dependencies on a specific driver and enables the application to be interchangeable.

Most Active Software Boards: If specified, an XML trace file of the specified name is created each time the driver is initialized with tracing enabled.

The exact syntax for creating an instance of a COM component varies from language to language. This site uses jnitializing to offer you a better browsing experience. You can change the initial settings for the session by changing the configuration of the driver session.

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ClassPrefix Initialize With Options – IVI Driver Help – National Instruments

It doesn’t even sound like you are communicating with the equipment. For output parameters that represent instrument data, the specific driver functions return simulated values.

Once the file reaches this size, tracing will be turned off automatically by the driver. A new file is created each time the driver is initialized with tracing enabled. Specifies if array parameters should be traced. It is vii necessary to include the. What version of the IVI compliance package do you have installed?

ClassPrefix Initialize With Options

The program throws an error that looks like a resource problem: If the IVI Configuration Store is not used a resource descriptor is passed as the ResourceName instead of a logical name then any setting that is not specified has a default value as specified by IVI.

Message 6 of Numeric value in minutes. The driver session, in turn, identifies a specific driver and device and specifies the initial settings for the session.

Instrument model to use during simulation. After validating the program, the user can set this attribute to False to disable range checking and maximize performance.

Add a Wait block between the initialization and the close blocks and run the code.

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How to use IVI-COM drivers with python via comtypes – Stack Overflow

If the Interchange Check attribute is enabled, the specific driver maintains a record of each interchangeability warning initializng it encounters. Is it really a timeout issue? The following code initializes the driver in simulation mode and specifies the model to simulate.

You can change the initial settings for the session by changing the configuration of the driver session. All of the combinations resulted in the timeout error. If so, how do I change the timing?

Numeric value in elements TraceSaveInterval Specifies how often the driver should save trace data to the trace log file. The function generator screen paramaters are all reset to their default ivj. String name TraceArray Specifies if array parameters should be traced.

Initiallizing additional settings supported by the driver, but not defined by IVI. Learn more about our privacy policy. Querying the instrument status is very useful for debugging.

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