Trigger:Trigger Source Property

NI Digital Multimeters Help (NI-DMM 18.1)

Edition Date: March 2018

Part Number: 370384V-01

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Short Name: Trigger Source

Property of niDMM

Specifies the trigger source. When niDMM Initiate is called, the DMM waits for the trigger specified with this property. After it receives the trigger, the DMM waits the length of time specified with the Trigger Delay property. The DMM then takes a measurement.

To determine which values are supported by each device, refer to the LabVIEW Trigger Routing section in the NI Digital Multimeters Help.

Immediate (1)

No trigger specified.

External (2)

Pin 9 on the AUX Connector

Software Trig (3)

Waits until niDMM Send Software Trigger is called.

TTL 0 (111)

PXI Trigger Line 0

TTL 1 (112)

PXI Trigger Line 1

TTL 2 (113)

PXI Trigger Line 2

TTL 3 (114)

PXI Trigger Line 3

TTL 4 (115)

PXI Trigger Line 4

TTL 5 (116)

PXI Trigger Line 5

TTL 6 (117)

PXI Trigger Line 6

TTL 7 (118)

PXI Trigger Line 7

PXI Star (131)

PXI Star Trigger Line

LBR Trig 1 (1004)

Local Bus Right Trigger Line 1 of PXI/SCXI combination chassis

AUX_Trig 1 (1001)

Pin 3 on the AUX connector


The following table lists the characteristics of this property.

Datatype iL
High-level VIs niDMM Configure Trigger


Not Helpful