Example Code

Save historical data to a Digital Waveform Graph

Products and Environment

This section reflects the products and operating system used to create the example.

To download NI software, including the products shown below, visit ni.com/downloads.

    Hardware

  • Data Acquisition (DAQ)

    Software

  • LabVIEW

    Driver

  • NI DAQmx

Code and Documents

Attachment

Overview
To demonstrates how to add historical data to a digital waveform graph and incorporate a digital waveform chart like characteristics

Description:
This program will add historical data to a Digital Waveform Graph to act more like a digital waveform chart, includes scroll bar.

Steps to implement or execute code
To implement this example:

  1. Select the Physical Channels, Rate, and Samples to read
  2. Run the VI.
  3. Click on the scroll bar to scroll through the incoming data.

To execute this example:

  1. Install the required software.
  2. Connect the DAQ hardware that supports the DIO features
  3. Confirm the connection with the MAX with TestPanel
  4. Open the VI and refer the Implement Steps


Requirements
Software
LabVIEW 2012 or compatible
NI-DAQmx 16.0 or compatible

Hardware
cDAQ with C series Digital Input Output Module

 

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**This document has been updated to meet the current required format for the NI Code Exchange.**

Frank,
National Instruments
Software Group Manager

Example code from the Example Code Exchange in the NI Community is licensed with the MIT license.