Dmm Step

Use an IVI Dmm step to perform single-point and multipoint measurements using digital multimeters.

Configuring the Step

Use the Edit IVI Dmm Step dialog box in the TestStand Sequence Editor and in a TestStand User Interface to configure the IVI Dmm step.

The IVI Dmm step type supports the following operations:

Configure —Configures the instrument to match the state the step specifies.
Show Soft Front Panel —Displays the soft front panel (SFP) for the instrument.
Hide Soft Front Panel —Hides the SFP for the instrument.
Read —Initiates and returns a measurement from the instrument.
Initiate —Initiates a measurement.
Fetch —Returns a measured value from a measurement the Initiate operation has started.
Abort —Cancels the wait for a trigger.
Send Software Trigger —Sends a software trigger command to trigger the instrument.
Get Information —Retrieves low-level status and information from the instrument.

In addition to the common custom properties , the IVI Dmm step type defines the following step properties:

Step.Result.Reading —The measurement values for the Read and Fetch operations. The property data type is NI_IviSinglePoint or NI_IviWave.
Step.LogicalName —The logical name expression.
Step.InstrOperation —A value that specifies the operation you configured the step to perform.
Step.SettingsSource —The name of the property or variable where the step loads and stores the settings for the operation.
Step.Configuration —The settings for the Configure operation. The data type of this property is NI_IviDmmConfig.
Step.SoftFrontPanel —The settings for the Show Soft Front Panel operation. The data type of this property is NI_IviSoftFrontPanel.
Step.Readings —The settings for the Read and Fetch operations.
Step.GetInfo —The settings for the Get Information operation.