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Home Support NI Product Manuals NI-VISA 17.0 to 20.0 Manual

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GPIB Pass Control (G Dataflow)

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    Last Modified: September 27, 2017

    Tells the GPIB device at the specified address to become controller-in-charge (CIC).

    This function passes CIC status to the device specified by primary address and secondary address and deasserts the ATN line. This function assumes that the targeted device has controller capability.

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    Note

    GPIB Pass Control does not accept VISA sessions of class Instr. The VISA session must be of class GPIB BoardInterface.

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    session in

    The resource to be used.

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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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    primary address

    The primary address of the GPIB device to which you want to pass control

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    secondary address

    The secondary address of the targeted GPIB device.

    Default: 65535, none

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    session out

    The resource to which a VISA session is opened.

    This output also includes the class for the session, which matches that of session in.

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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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