Specifies whether you want the Reference Trigger to be a digital edge, I/Q power edge, or software trigger.

Default Value: None

Supported Devices: PXIe-5644/5645/5646, PXI-5661, PXIe-5663/5663E/5665/5667/5668, PXIe-5820/5840/5841/5842/5860

Related Topics

Triggers

PXI Trigger Lines

Remarks

The following table lists the characteristics of this property.

Short Name Reference Trigger Type
Data type ci32.png
Permissions Read/Write
High-level VIs niRFSA Configure Trigger
Channel-based No
Resettable Yes
None 600

No Reference Trigger is configured.
Digital Edge 601

The Reference Trigger is not asserted until a digital edge is detected. The source of the digital edge is specified with the Reference Trigger Digital Edge Source property.
IQ Power Edge 603

The Reference Trigger is asserted when the signal is changing past the level specified with the slope (rising or falling) configured with the IQ Power Edge Slope property.
Software 604

The Reference Trigger is not asserted until a software trigger occurs. You can assert the software trigger by setting the calling the niRFSA Send Software Edge Trigger VI and setting the trigger input to Ref trigger.
IQ Analog Edge 605

The Reference Trigger is asserted when the I or Q signal is changed past the level specified with the slope configured with the IQ Analog Edge Slope property. This value is supported only for PXIe-5644/5645 devices.