Table Of Contents

IMAQdx Enumerate Devices (G Dataflow)

Last Modified: March 25, 2019

Returns a list of all cameras on the host computer.

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only connected cameras?

Status of cameras connected to the host computer.

If the Connected Only? value is Yes, then cameras only contains cameras that are currently connected to the host computer. If the Connected Only? value is No, then cameras contains cameras that are currently connected, and were previously connected, to the host computer.

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error in

Error conditions that occur before this node runs.

The node responds to this input according to standard error behavior.

Standard Error Behavior

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error
If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

Default: No error

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cameras

Array of interface files that are on the host computer.

This includes cameras that are currently connected or that were previously connected.

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Type

Value designates an NI-IMAQdx interface file.

Default: 3

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Version

Version of the interface file.

This number may increment with different versions of the driver as the format of the interface file changes.

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Flags

Interface status via bitwise mask.

If bit 0 is on (value = 1), the interface represents a camera that is currently connected. If bit 0 is off (value = 0) , the interface represents a disconnected camera.

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SerialNumberHigh

Upper 32-bits of the interface serial number.

Every camera has a unique value.

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SerialNumberLow

Lower 32-bits of the interface serial number.

Every camera has a unique value.

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BusType

Bus type for the camera.

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InterfaceName

Name of the interface.

Use this name when opening the interface.

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VendorName

Vendor name of the camera designated for this interface.

Varies from camera to camera.

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ModelName

Model name of the camera designated for this interface.

Varies from camera to camera.

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CameraFileName

Name of the camera file that this interface uses.

The camera file contains all the settings for a given camera. You can configure and save these settings from Measurement & Automation Explorer (MAX).

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CameraAttributeURL

URL of the XML file that describes the camera attributes.

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error out

Error information.

The node produces this output according to standard error behavior.

Standard Error Behavior

Many nodes provide an error in input and an error out output so that the node can respond to and communicate errors that occur while code is running. The value of error in specifies whether an error occurred before the node runs. Most nodes respond to values of error in in a standard, predictable way.

error in does not contain an error error in contains an error
If no error occurred before the node runs, the node begins execution normally.

If no error occurs while the node runs, it returns no error. If an error does occur while the node runs, it returns that error information as error out.

If an error occurred before the node runs, the node does not execute. Instead, it returns the error in value as error out.

Where This Node Can Run:

Desktop OS: Windows

FPGA: Not supported

Web Server: Not supported in VIs that run in a web application


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