NI PXI/PXIe-2514 Triggering

The NI PXI/PXIe-2514 (NI 2514) can recognize trigger pulse widths less than 150 ns by disabling digital filtering.

Trigger Input

The following table lists valid trigger inputs for the NI 2514.

Trigger Input Software Hardware
Immediate Immediate(NISWITCH_VAL_IMMEDIATE) N/A
TTL0 TTL0(NISWITCH_VAL_TTL0) PXI trigger line 0
TTL1 TTL1(NISWITCH_VAL_TTL1) PXI trigger line 1
TTL2 TTL2(NISWITCH_VAL_TTL2) PXI trigger line 2
TTL3 TTL3(NISWITCH_VAL_TTL3) PXI trigger line 3
TTL4 TTL4(NISWITCH_VAL_TTL4) PXI trigger line 4
TTL5 TTL5(NISWITCH_VAL_TTL5) PXI trigger line 5
TTL6 TTL6(NISWITCH_VAL_TTL6) PXI trigger line 6
TTL7 TTL7(NISWITCH_VAL_TTL7) PXI trigger line 7
Software Trigger niSwitch Send Software Trigger VI or niSwitch_SendSoftwareTrigger function N/A

Scan Advanced Output

The following table lists valid scan advanced outputs for the NI 2514.

Scan Advanced Output Software Hardware
None None(NISWITCH_VAL_NONE) N/A
TTL0 TTL0(NISWITCH_VAL_TTL0) PXI trigger line 0
TTL1 TTL1(NISWITCH_VAL_TTL1) PXI trigger line 1
TTL2 TTL2(NISWITCH_VAL_TTL2) PXI trigger line 2
TTL3 TTL3(NISWITCH_VAL_TTL3) PXI trigger line 3
TTL4 TTL4(NISWITCH_VAL_TTL4) PXI trigger line 4
TTL5 TTL5(NISWITCH_VAL_TTL5) PXI trigger line 5
TTL6 TTL6(NISWITCH_VAL_TTL6) PXI trigger line 6
TTL7 TTL7(NISWITCH_VAL_TTL7) PXI trigger line 7

Refer to the niSwitch Configure Scan Trigger VI or the niSwitch_ConfigureScanTrigger function for descriptions and values of the trigger inputs and scan advanced outputs.