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CompactRIO Developer's Guide


Recommended LabVIEW Architectures and Development Practices

What's New in the LabVIEW Real-Time Module

Checkout this whitepaper to learn about the new NI Linux Real-Time OS as well as other new LabVIEW Real-Time Module Features.



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Discussion, code sharing, and best practices for LabVIEW Real-Time developers

Welcome to the LabVIEW Real-Time Developers Group!

Join the LabVIEW Real-Time developers group to share code, learn best practices, and communicate with other engineers who love talking about jitter and determinism.


Here are five ways you can start participating now:

  1. Check out the LabVIEW Real-Time Sample Projects and NI Systems Engineering created Reference Designs.
  2. Check out instructor-led LabVIEW Real-Time training or the self-paced online LabVIEW Real-Time Training if you are current on standard service.
  3. Show off your real-time prowess in the discussion forums by helping other LabVIEW Real-Time developers.
  4. Have a great idea for LabVIEW Real-Time? Submit your idea to the LabVIEW Real-Time Idea Exchange where other developers can vote on your idea to be implemented.
  5. Whether you are a beginner or expert CompactRIO developer, check out the CompactRIO Developers Guide and join the LabVIEW for CompactRIO Developers Community.

Recent Discussion Forum Posts

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Oct 27, 2016 Sample rates for sinewaves
Dear Community, Please help my sanity! I am acquiring a 400Hz signal using a PXIe-6363 DAQ card and performing an RMS calculation within LabView. Reading the white papers published by NI I should need a sample rate ten times the fundamental to...
Oct 26, 2016 How to Generate Sweep Frequency from cRIO AO?
Hi all, I am new in FPGA programming and I am having difficulty generating sweep freqeuency signal and output it to my cRIO module. Would greatly appreciate any help I could get from this forum. My current setup:cRIO9066 with NI9263 What I...
Oct 21, 2016 Is there an equivalent to the Fieldpoint Publish VIs for cRIO?
I am migrating an existing system using Compact FieldPoint to CompactRIO. The current code takes advantage of the green Fieldpoint Publish VIs.  Is there an equivalent technology for cRIO or does anyone have a suggestion for a replacement...
Oct 14, 2016 Interpolation on the FPGA
Hi,I would like to smooth motion of my linear motor. For example I would like to run a program on the cRIO in scan mode let say 1ms scan interval and then do interpolation between output points (for example from sin wave) on the FPGA scan interval 100us....
Oct 10, 2016 Programatically setting voltage range for channel on CompactRIO analog input module (NI 9205) with scan interface
Hi all, is there a way to set the input range of a channel on my NI 9205 with LabView using the scan interface (i.e. not FPGA interface)? I found but that only seems to be...

LabVIEW Real-Time Idea Exchange

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Sep 22, 2016 Allow Shared Variable Engine on RT target to act as OPC-UA server
The SVE on a windows based platform acts as a OPC-DA server. Due to the requirements for DCOM, this is not possible on real-time target. However, as OPC-UA is gaining traction, I would find it very useful to have the SVE act as an OPC-UA server for...
Aug 17, 2016 Easier NI-MAX access to CAN-Modules NI-9862 in cRIO
Currently viewing, testing or configuring NI-9862 Modules in a cRIO using NI-MAX needs a lot of effort. It requires:- Installation of the complete Labview Realtime and FPGA development suite on the connected PC- Setting up a Labview project including the...
Jul 18, 2016 Don't Break VIs with Menu Reference Wires
Currently a VI running in a Real Time environment does not support run time menus.  I understand the restriction, but what I find odd is VIs that have the menu reference wire cannot compile for RT targets.  This may seem like no big deal,...
May 19, 2016 Add the Network Variable Engine Installer as a part of the NI CompactRIO Driver software
The RAD tool is not a perfect fit for all cRIO deployments.  If you are unable to use the RAD utility to deploy a new version of drivers to the cRIO the process to get the Network Variable Engine onto the cRIO goes something like this:  Install...
Mar 1, 2016 "Open FPGA VI Reference": change to consistent behaviour
When using the "Open FPGA VI Reference" function you can configure it to reference the FPGA build/bitfile in three different ways:- Build specification- VI- Bitfile In development mode I often use "Build spec", for deployment I switch to "Bitfile"....
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