Configure External Trigger

Configures the external trigger source and slope of the trigger.

Inputs/Outputs

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session in

Instrument session obtained from Initialize With Options.

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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

Default value: No error

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source channel name

Name of the channel to use as the external trigger source.

The NI-568x has only one channel, so you must specify 0 as the value of this control.

Valid Values:

  • TTL0
  • 0
  • empty string ""

Default value: 0

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slope

Polarity of the external trigger slope.

Positive Sets the trigger to occur on the rising edge (a transition from low to high) of the trigger pulse.
Negative Sets the trigger to occur on the falling edge (a transition from high to low) of the trigger pulse.

Default value: Positive

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session out

Reference to your instrument session passed to the next node.

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error out

Error information.

The node produces this output according to standard error behavior.

Standard Error Behavior

Hardware Support

This node supports the following hardware:

  • USB-5681
  • USB-5683
  • USB-5684