Trigger:Digital Edge:Source
- Updated2025-10-13
- 2 minute(s) read
Specifies the source terminal for the digital edge trigger. This property is used only when you set the Trigger Type property to Digital Edge.
You do not need to use a selector string to configure or read this property for the default signal instance. Refer to the Selector Strings topic for information about the string syntax for named signals.
The default value of this property is hardware dependent.
Remarks
The following table lists the characteristics of this property.
| Short Name | Digital Edge Source |
| Data type | ![]() |
| Permissions | Read/Write |
| High-level VIs | RFmxCDMA2k Configure Trigger |
| Resettable | Yes |
| PFI0 | PFI0 | The trigger is received on PFI 0. For the PXIe-5841 with PXIe-5655, the trigger is received on the PXIe-5841 PFI 0. |
| PFI1 | PFI1 | The trigger is received on PFI 1. |
| PXI_Trig0 | PXI_Trig0 | The trigger is received on PXI trigger line 0. |
| PXI_Trig1 | PXI_Trig1 | The trigger is received on PXI trigger line 1. |
| PXI_Trig2 | PXI_Trig2 | The trigger is received on PXI trigger line 2. |
| PXI_Trig3 | PXI_Trig3 | The trigger is received on PXI trigger line 3. |
| PXI_Trig4 | PXI_Trig4 | The trigger is received on PXI trigger line 4. |
| PXI_Trig5 | PXI_Trig5 | The trigger is received on PXI trigger line 5. |
| PXI_Trig6 | PXI_Trig6 | The trigger is received on PXI trigger line 6. |
| PXI_Trig7 | PXI_Trig7 | The trigger is received on PXI trigger line 7. |
| PXI_STAR | PXI_STAR | The trigger is received on the PXI star trigger line. This value is not valid for the PXIe-5644/5645/5646. |
| PXIe_DStarB | PXIe_DStarB | The trigger is received on the PXIe DStar B trigger line. This value is valid only on the PXIe-5820/5830/5831/5832/5840/5841/5842/5860. |
| TimerEvent | TimerEvent | The trigger is received from the Timer event. This value is valid only on the PXIe-5820/5840/5841/5842/5860 and for digital edge Advance Triggers on the PXIe-5663E/5665. |
| PulseIn | PulseIn | The trigger is received from the PULSE IN terminal. This value is valid only on the PXIe-5842. |
| DIO/PFI0 | DIO/PFI0 | The trigger is received on PFI 0 of the DIO front panel connector. |
| DIO/PFI1 | DIO/PFI1 | The trigger is received on PFI 1 of the DIO front panel connector. |
| DIO/PFI2 | DIO/PFI2 | The trigger is received on PFI 2 of the DIO front panel connector. |
| DIO/PFI3 | DIO/PFI3 | The trigger is received on PFI 3 of the DIO front panel connector. |
| DIO/PFI4 | DIO/PFI4 | The trigger is received on PFI 4 of the DIO front panel connector. |
| DIO/PFI5 | DIO/PFI5 | The trigger is received on PFI 5 of the DIO front panel connector. |
| DIO/PFI6 | DIO/PFI6 | The trigger is received on PFI 6 of the DIO front panel connector. |
| DIO/PFI7 | DIO/PFI7 | The trigger is received on PFI 7 of the DIO front panel connector. |
