NI PXI-2593 Triggering

NI Switches

NI PXI-2593 Triggering

This module 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 PXI-2593.

Trigger InputSoftwareHardware
ImmediateImmediate
(NISWITCH_VAL_IMMEDIATE)
N/A
TTL0TTL0
(NISWITCH_VAL_TTL0)
PXI trigger line 0
TTL1TTL1
(NISWITCH_VAL_TTL1)
PXI trigger line 1
TTL2TTL2
(NISWITCH_VAL_TTL2)
PXI trigger line 2
TTL3TTL3
(NISWITCH_VAL_TTL3)
PXI trigger line 3
TTL4TTL4
(NISWITCH_VAL_TTL4)
PXI trigger line 4
TTL5TTL5
(NISWITCH_VAL_TTL5)
PXI trigger line 5
TTL6TTL6
(NISWITCH_VAL_TTL6)
PXI trigger line 6
TTL7TTL7
(NISWITCH_VAL_TTL7)
PXI trigger line 7
Software TriggerniSwitch Send Software Trigger VI or niSwitch_SendSoftwareTrigger functionN/A
Front ConnectorExternal
(NISWITCH_VAL_EXTERNAL)
TRIG IN of the front panel

Scan Advanced Output

The following table lists valid scan advanced outputs for the NI PXI-2593.

Scan Advanced OutputSoftwareHardware
NoneNone
(NISWITCH_VAL_NONE)
N/A
TTL0TTL0
(NISWITCH_VAL_TTL0)
PXI trigger line 0
TTL1TTL1
(NISWITCH_VAL_TTL1)
PXI trigger line 1
TTL2TTL2
(NISWITCH_VAL_TTL2)
PXI trigger line 2
TTL3TTL3
(NISWITCH_VAL_TTL3)
PXI trigger line 3
TTL4TTL4
(NISWITCH_VAL_TTL4)
PXI trigger line 4
TTL5TTL5
(NISWITCH_VAL_TTL5)
PXI trigger line 5
TTL6TTL6
(NISWITCH_VAL_TTL6)
PXI trigger line 6
TTL7TTL7
(NISWITCH_VAL_TTL7)
PXI trigger line 7
Front ConnectorExternal
(NISWITCH_VAL_EXTERNAL)
TRIG OUT on front panel

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.