October 2021
This file contains installation instructions and compatibility information for NI-DAQmx.
You can find more release information on ni.com.
Product Security and Critical Updates
Using NI Software with Microsoft Windows 10
NI Software Drops Support for Phar Lap ETS Real-Time Operating System in 2022
LabVIEW NXG Support and Considerations
Unsupported Windows Operating Systems
NI-DAQmx is the software you use to communicate with and control your NI data acquisition (DAQ) device.
Refer to the NI website for any updates to the current NI-DAQmx readme.
NI-DAQmx 21.3 has the following requirements:
The following operating systems are supported by NI-DAQmx 21.3:
The following table lists the application software versions supported by NI-DAQmx. If you are not using application software, refer to Microsoft Visual Studio Support.
Application Software1 | Versions Supported by NI-DAQmx 21.3 |
---|---|
LabVIEW | 2018, 2019, 2020, and 2021 |
LabVIEW Real-Time Module | 2018, 2019, 2020, and 2021 |
LabVIEW NXG | 5.1 |
LabVIEW NXG Real-Time Module | 5.1 |
DAQExpress2 | 5.12 |
LabWindows™/CVI™ | 2015, 2017, and 2019 |
LabWindows/CVI Real-Time Module | 2015 and 2017 |
NI-DAQmx Measurement Studio Integration (Measurement Studio 2019) | Visual Studio 2015, 2017, and 2019 |
SignalExpress | 2015 |
1 Application software support for LabVIEW NXG is not included with NI-DAQmx and must be downloaded separately via NI Package Manager. | |
2 For a complete list of DAQExpress devices, visit the DAQExpress Manual. |
The following table lists the programming languages and Microsoft Visual Studio versions supported by this version of NI-DAQmx. Earlier versions of NI-DAQmx support other application software and language versions.
Programming Language | Visual Studio Versions Supported by NI-DAQmx |
---|---|
ANSI C | 2003 and Later |
.NET Framework 4.0 and Later Languages (Visual C# .NET and Visual Basic .NET) | 2010 and Later |
For information on Visual Studio compatibility with earlier versions of NI-DAQmx, refer to ni.com/info and enter the info code NETlegacydrivers. To find and download an earlier version of a driver, refer to ni.com/downloads.
For information on examples that use NI-DAQmx and Measurement Studio, refer to Where to Find Examples in the NI-DAQmx .NET Class Library Help.
NI installs NI-DAQmx using NI Package Manager. If you do not already have NI software installed, NI-DAQmx installs NI Package Manager to handle the installation of your NI software. Visit ni.com/r/NIPMDownload to download NI Package Manager. Refer to the NI Package Manager Manual for more information about installing, removing, and upgrading NI software using NI Package Manager.
Visit ni.com/security to view and subscribe to receive security notifications about NI products. For information about critical updates from NI, refer to Available Critical and Security Updates for NI Software.
Added support for the NI PXIe-4467
The following lists detail devices supported in NI-DAQmx:
The following lists detail the devices supported in NI-DAQmx. Device support is divided into the following categories:
Note In the device support tables that follow, a ✓ indicates that the device is supported, and a blank cell indicates that the device either does not exist or is not supported in NI-DAQmx.
Note Certain NI Linux Real-Time controllers, including the IC-317x, cRIO-9035 Sync, cRIO-9039 Sync, and cDAQ-9132/9133/9134/9135/9136/9137, meet the requirement to be used as a host for FieldDAQ.
Note For these controllers, you must install both NI CompactRIO and NI-DAQmx. For additional information on driver support, refer to Software Support for CompactRIO, CompactDAQ, Single-Board RIO, R Series, and EtherCAT.
Note For these controllers, you must install both NI CompactRIO and NI-DAQmx. For additional information on driver support, refer to Software Support for CompactRIO, CompactDAQ, Single-Board RIO, R Series, and EtherCAT.
The following X Series DAQ devices are supported:
Device | PCIe | PXIe | USB |
---|---|---|---|
NI 6320 | ✓ | ||
NI 6321 | ✓ | ||
NI 6323 | ✓ | ||
NI 6341 | ✓ | ✓ | ✓ |
NI 6343 | ✓ | ✓ | |
NI 6345 | ✓ | ||
NI 6346 | ✓ | ✓ | |
NI 6349 | ✓ | ✓ | |
NI 6351 | ✓ | ✓ | |
NI 6353 | ✓ | ✓ | |
NI 6355 | ✓ | ||
NI 6356 | ✓ | ✓ | |
NI 6358 | ✓ | ||
NI 6361 | ✓ | ✓ | ✓ |
NI 6363 | ✓ | ✓ | ✓ |
NI 6365 | ✓ | ||
NI 6366 | ✓ | ✓ | |
NI 6368 | ✓ | ||
NI 6374 | ✓ | ||
NI 6375 | ✓ | ||
NI 6376 | ✓ | ✓ | |
NI 6378 | ✓ | ||
NI 6386 | ✓ | ||
NI 6396 | ✓ |
The following M Series DAQ devices are supported:
Device | PCI | PCIe | PXI | PXIe | USB |
---|---|---|---|---|---|
NI 6210/11/12/15/16/18 | ✓ | ||||
NI 6220 | ✓ | ✓ | |||
NI 6221 | ✓ | ✓ | ✓ | ||
NI 6224 | ✓ | ✓ | |||
NI 6225 | ✓ | ✓ | ✓ | ||
NI 6229 | ✓ | ✓ | ✓ | ||
NI 6230/32/33/36/38/39 | ✓ | ✓ | |||
NI 6250 | ✓ | ✓ | |||
NI 6251 | ✓ | ✓ | ✓ | ✓ | ✓ |
NI 6254 | ✓ | ✓ | |||
NI 6255 | ✓ | ✓ | ✓ | ||
NI 6259 | ✓ | ✓ | ✓ | ✓ | ✓ |
NI 6280 | ✓ | ✓ | |||
NI 6281 | ✓ | ✓ | ✓ | ||
NI 6284 | ✓ | ✓ | |||
NI 6289 | ✓ | ✓ | ✓ |
The following S Series DAQ devices are supported:
Device | PCI | PXI | PXIe |
---|---|---|---|
NI 6110 | ✓ | ||
NI 6111 | ✓ | ||
NI 6115 | ✓ | ✓ | |
NI 6120 | ✓ | ✓ | |
NI 6122 | ✓ | ✓ | |
NI 6123 | ✓ | ✓ | |
NI 6124 | ✓ | ||
NI 6132 | ✓ | ✓ | |
NI 6133 | ✓ | ✓ | |
NI 6143 | ✓ | ✓ | |
NI 6154 | ✓ |
The following SC Express devices are supported:
Device | PXIe |
---|---|
NI 4300 | ✓ |
NI 4302 | ✓ |
NI 4303 | ✓ |
NI 4304 | ✓ |
NI 4305 | ✓ |
NI 4309 | ✓ |
NI 4310 | ✓ |
NI 4322 | ✓ |
NI 4330 | ✓ |
NI 4331 | ✓ |
NI 4339 | ✓ |
NI 4340 | ✓ |
NI 4353 | ✓ |
NI 4357 | ✓ |
The following SC Express terminal blocks and other accessories are supported:
Device | Supported Accessory |
---|---|
NI 4300 | NI TB-4300, NI TB-4300B, NI TB-4300C, NI CAL-4300B |
NI 4302 | NI RM-4302, NI TB-4302, NI TB-4302C |
NI 4303 | NI RM-4302, NI TB-4302, NI TB-4302C |
NI 4304 | NI RM-4304, NI TB-4304 |
NI 4305 | NI RM-4304, NI TB-4304 |
NI 4309 | NI CAL-4309, NI TB-4309 (ST), NI TB-4309 (MT) |
NI 4310 | NI TB-4310 (10V), NI TB-4310 (600V) |
NI 4322 | NI TB-4322 |
NI 4330 | NI TB-4330, RM-24999 |
NI 4331 | NI TB-4330, RM-24999 |
NI 4339 | NI TB-4339, NI TB-4339B, NI TB-4339C, NI RM-4339 |
NI 4340 | NI TB-4340 |
NI 4353 | NI TB-4353, NI TC-4353, NI CAL-4353 |
NI 4357 | NI TB-4357 |
The following C Series, Network DAQ, and USB DAQ devices are supported:
Device | CompactDAQ Chassis | Legacy Chassis and Carriers | ||
---|---|---|---|---|
NI USB-9162 | ||||
NI 9201 | ✓ | ✓ | ||
NI 9202 | ✓ | |||
NI 9203 | ✓ | |||
NI 9205 | ✓ | |||
NI 9206 | ✓ | |||
NI 9207† | ✓ | |||
NI 9208† | ✓ | |||
NI 9209† | ✓ | |||
NI 9210‡ | ✓ | |||
NI 9211* | ✓ | ✓ | ||
NI 9212 | ✓ | |||
NI 9213 | ✓ | ✓ | ||
NI 9214 | ✓ | |||
NI 9215* | ✓ | ✓ | ||
NI 9216 | ✓ | |||
NI 9217 | ✓ | |||
NI 9218 | ✓ | |||
NI 9219 | ✓ | ✓ | ||
NI 9220 | ✓ | |||
NI 9221 | ✓ | ✓ | ||
NI 9222 | ✓ | |||
NI 9223 | ✓ | |||
NI 9224 | ✓ | |||
NI 9225 | ✓ | |||
NI 9226 | ✓ | |||
NI 9227 | ✓ | |||
NI 9228 | ✓ | |||
NI 9229 | ✓ | ✓ | ||
NI 9230 | ✓ | |||
NI 9231 | ✓ | |||
NI 9232 | ✓ | |||
NI 9234 | ✓ | ✓ | ||
NI 9235 | ✓ | |||
NI 9236 | ✓ | |||
NI 9237 | ✓ | ✓ | ||
NI 9237 (DSUB) | ✓ | |||
NI 9238 | ✓ | |||
NI 9239 | ✓ | ✓ | ||
NI 9242 | ✓ | |||
NI 9244 | ✓ | |||
NI 9246 | ✓ | |||
NI 9247 | ✓ | |||
NI 9250 | ✓ | |||
NI 9251 | ✓ | |||
NI 9252 | ✓ | |||
NI 9253 | ✓ | |||
NI 9260 | ✓ | |||
NI 9262 | ✓ | |||
NI 9263 | ✓ | ✓ | ||
NI 9264 | ✓ | ✓ | ||
NI 9265 | ✓ | ✓ | ||
NI 9266 | ✓ | |||
NI 9269 | ✓ | |||
NI 9326 | ✓ | |||
NI 9344 | ✓ | |||
NI 9361 | ✓ | |||
NI 9375 | ✓ | |||
NI 9401 | ✓ | |||
NI 9402 | ✓ | |||
NI 9403 | ✓ | |||
NI 9411 | ✓ | |||
NI 9421 | ✓ | ✓ | ||
NI 9422 | ✓ | |||
NI 9423 | ✓ | |||
NI 9425† | ✓ | |||
NI 9426 | ✓ | |||
NI 9435 | ✓ | |||
NI 9436 | ✓ | |||
NI 9437 | ✓ | |||
NI 9469 | ✓ | |||
NI 9472 | ✓ | ✓ | ||
NI 9474 | ✓ | |||
NI 9475 | ✓ | |||
NI 9476† | ✓ | |||
NI 9477 | ✓ | |||
NI 9478 | ✓ | |||
NI 9481 | ✓ | ✓ | ||
NI 9482 | ✓ | ✓ | ||
NI 9485 | ✓ | |||
NI 9775 | ✓ | |||
* The NI USB-9211A and NI USB-9215A (C Series modules with a bundled NI USB-9162) are supported in NI-DAQmx. The NI USB-9211 and NI USB-9215 (C Series modules with a bundled NI USB-9161) are not supported in NI-DAQmx. | ||||
† Spring Terminal variants are supported only in NI-DAQmx 17.1 and later. For additional information on driver support, refer to Software Support for CompactRIO, CompactDAQ, Single-Board RIO, R Series, and EtherCAT. | ||||
‡ Spring Terminal variants are supported only in NI-DAQmx 18.5 and later. For additional information on driver support, refer to Software Support for CompactRIO, CompactDAQ, Single-Board RIO, R Series, and EtherCAT. |
The following CompactDAQ chassis are supported:
CompactDAQ Chassis | Ethernet | USB | Wireless |
---|---|---|---|
NI cDAQ-9171 | ✓ | ||
NI cDAQ-9174 | ✓ | ||
NI cDAQ-9178 | ✓ | ||
NI cDAQ-9179 | ✓ | ||
NI cDAQ-9181‡ | ✓ | ||
NI cDAQ-9184‡ | ✓ | ||
NI cDAQ-9185† | ✓ | ||
NI cDAQ-9188‡ | ✓ | ||
NI cDAQ-9189† | ✓ | ||
NI cDAQ-9188XT‡ | ✓ | ||
NI cDAQ-9191‡ | ✓ | ✓ | |
† Certain NI Linux Real-Time controllers, including the IC-317x, cRIO-9035 Sync, cRIO-9039 Sync, cRIO-904x, cRIO-905x, and cDAQ-9132/9133/9134/9135/9136/9137 for LabVIEW Real-Time, meet the requirements to be used as a host for these cDAQ chassis. Except for the cRIO-904x and cRIO-905x, these NI Linux Real-Time controllers cannot support C Series modules in DAQmx mode. | |||
‡ These devices are not supported by Real-Time controllers. |
The following CompactDAQ controllers are supported:
CompactDAQ Controllers | WES7 | Real Time |
---|---|---|
NI cDAQ-9132 | ✓ | ✓ |
NI cDAQ-9133 | ✓ | ✓ |
NI cDAQ-9134 | ✓ | ✓ |
NI cDAQ-9135 | ✓ | ✓ |
NI cDAQ-9136‡ | ✓ | ✓ |
NI cDAQ-9137‡ | ✓ | ✓ |
‡ Real-time support for this controller was added in the LabVIEW Real-Time Module 2015. |
The following AO Series devices are supported:
Device | DAQCard | PCIe | PCI | PXI | PXIe |
---|---|---|---|---|---|
NI 6703 | ✓ | ||||
NI 6704 | ✓ | ✓ | |||
NI 6711 | ✓ | ✓ | |||
NI 6713 | ✓ | ✓ | |||
NI 6722 | ✓ | ✓ | |||
NI 6723 | ✓ | ✓ | |||
NI 6731 | ✓ | ||||
NI 6733 | ✓ | ✓ | |||
NI 6738 | ✓ | ✓ | |||
NI 6739 | ✓ |
The following digital I/O devices are supported.
Device | DAQCard | PCI | PCIe | PXI | PXIe | USB |
---|---|---|---|---|---|---|
NI 6501 | ✓ | |||||
NI 6503 | ✓ | |||||
NI 6508 | ✓ | |||||
NI 6509 | ✓ | ✓ | ✓ | ✓ | ✓ | |
NI 6510 | ✓ | |||||
NI 6511 | ✓ | ✓ | ||||
NI 6512 | ✓ | ✓ | ||||
NI 6513 | ✓ | ✓ | ||||
NI 6514 | ✓ | ✓ | ||||
NI 6515 | ✓ | ✓ | ||||
NI 6516 | ✓ | |||||
NI 6517 | ✓ | |||||
NI 6518 | ✓ | |||||
NI 6519 | ✓ | |||||
NI 6520 | ✓ | |||||
NI 6521 | ✓ | ✓ | ||||
NI 6525 | ✓ | |||||
NI 6527 | ✓ | ✓ | ||||
NI 6528 | ✓ | ✓ | ||||
NI 6529 | ✓ | |||||
NI 6533 | ✓ | ✓ | ||||
NI 6534 | ✓ | ✓ | ||||
NI 6535 | ✓ | ✓ | ||||
NI 6535B | ✓ | |||||
NI 6536 | ✓ | ✓ | ||||
NI 6536B | ✓ | |||||
NI 6537 | ✓ | ✓ | ||||
NI 6537B | ✓ | |||||
NI DIO-32HS | ✓ | |||||
NI DIO-96 | ✓ |
The following TIO series devices are supported:
Device | PCI | PCIe | PXI | PXIe |
---|---|---|---|---|
NI 6601 | ✓ | |||
NI 6602 | ✓ | ✓ | ||
NI 6608 | ✓ | |||
NI 6612 | ✓ | ✓ | ||
NI 6614 | ✓ | |||
NI 6624 | ✓ | ✓ |
The following DSA devices are supported:
Device | PCI | PXI | PXIe | USB |
---|---|---|---|---|
NI 4431 | ✓ | |||
NI 4432 | ✓ | |||
NI 4461 | ✓ | ✓ | ||
NI 4462 | ✓ | ✓ | ||
NI 4463 | ✓ | |||
NI 4464 | ✓ | |||
NI 4466 | ✓ | |||
NI 4467 | ✓ | |||
NI 4472/B | ✓ | ✓ | ||
NI 4474 | ✓ | |||
NI 4480 | ✓ | |||
NI 4481 | ✓ | |||
NI 4492 | ✓ | |||
NI 4495 | ✓ | |||
NI 4496 | ✓ | ✓ | ||
NI 4497 | ✓ | |||
NI 4498 | ✓ | ✓ | ||
NI 4499 | ✓ | |||
NI 4610 | ✓ |
Note As of NI-DAQmx 14.5, the NI-DAQmx Switch API is obsolete and is no longer recommended for new applications. For more information, refer to ni.com/info and enter the info code switchdriverconsiderations.
The following switches are supported:
Device | PCI | PXI | PXIe |
---|---|---|---|
NI 2501 | ✓ | ||
NI 2503 | ✓ | ||
NI 2510 | ✓ | ||
NI 2512 | ✓ | ✓ | |
NI 2514 | ✓ | ✓ | |
NI 2515 | ✓ | ✓ | |
NI 2520 | ✓ | ||
NI 2521 | ✓ | ||
NI 2522 | ✓ | ||
NI 2523 | ✓ | ||
NI 2527 | ✓ | ✓ | |
NI 2529 | ✓ | ✓ | |
NI 2530 | ✓ | ||
NI 2531 | ✓ | ✓ | |
NI 2532 | ✓ | ✓ | |
NI 2533 | ✓ | ||
NI 2534 | ✓ | ||
NI 2535 | ✓ | ||
NI 2536 | ✓ | ||
NI 2540 | ✓ | ✓ | |
NI 2541 | ✓ | ✓ | |
NI 2542 | ✓ | ✓ | |
NI 2543 | ✓ | ✓ | |
NI 2544 | ✓ | ✓ | |
NI 2545 | ✓ | ||
NI 2546 | ✓ | ||
NI 2547 | ✓ | ||
NI 2548 | ✓ | ||
NI 2549 | ✓ | ||
NI 2554 | ✓ | ||
NI 2555 | ✓ | ||
NI 2556 | ✓ | ||
NI 2557 | ✓ | ||
NI 2558 | ✓ | ||
NI 2559 | ✓ | ||
NI 2564 | ✓ | ||
NI 2565 | ✓ | ||
NI 2566 | ✓ | ||
NI 2567 | ✓ | ||
NI 2568 | ✓ | ||
NI 2569 | ✓ | ✓ | |
NI 2570 | ✓ | ||
NI 2571 | ✓ | ||
NI 2575 | ✓ | ✓ | |
NI 2576 | ✓ | ||
NI 2584 | ✓ | ||
NI 2585 | ✓ | ||
NI 2586 | ✓ | ||
NI 2590 | ✓ | ||
NI 2591 | ✓ | ||
NI 2593 | ✓ | ✓ | |
NI 2594 | ✓ | ||
NI 2595 | ✓ | ||
NI 2596 | ✓ | ||
NI 2597 | ✓ | ||
NI 2598 | ✓ | ||
NI 2599 | ✓ | ||
NI 2720 | ✓ | ||
NI 2722 | ✓ | ||
NI 2725 | ✓ | ||
NI 2727 | ✓ | ||
NI 2800 | ✓ | ||
NI 2790 | ✓ | ||
NI 2796 | ✓ | ||
NI 2797 | ✓ | ||
NI 2798 | ✓ | ||
NI 2799 | ✓ | ||
NI 2810 | ✓ | ||
NI 2811 | ✓ | ||
NI 2812 | ✓ | ||
NI 2813 | ✓ | ||
NI 2814 | ✓ | ||
NI 2815 | ✓ | ||
NI 2816 | ✓ | ||
NI 2817 | ✓ | ||
NI 2833 | ✓ | ||
NI 2834 | ✓ | ||
NI 2865 | ✓ |
The following academic devices are supported:
The following legacy DAQ devices (also called B Series devices) are supported:
Device | DAQ Pad | PCI | USB |
---|---|---|---|
NI PCI-6010 | ✓ | ||
SensorDAQ | ✓ |
The following low-cost USB devices (also called B Series and Multifunction I/O devices) are supported:
Device | USB |
---|---|
NI 6000 | ✓ |
NI 6001 | ✓ |
NI 6002 | ✓ |
NI 6003 | ✓ |
NI 6008 | ✓ |
NI 6009 | ✓ |
NI TC01 | ✓ |
Some devices are no longer supported in NI-DAQmx. Refer to Devices No Longer Supported in NI-DAQmx 17.6 and Later for specific devices and the versions in which support was dropped.
To find the locations of examples for your software application, refer to the following table.
Software Application | Example Location |
---|---|
LabVIEW or LabWindows/CVI | Help»Find Examples |
SignalExpress | Program Files\National Instruments\SignalExpress\Examples |
ANSI C | *...NI-DAQ\Examples\DAQmx ANSI C |
.NET 4.0 Framework | *...NI-DAQ\Examples\DotNET 4.0 |
.NET 4.5 Framework | *...NI-DAQ\Examples\DotNET 4.5 |
* For Windows, the default path is <drive>:\Users\Public\Public Documents\National Instruments\NI-DAQ\Examples\... . |
Microsoft Windows 10 is the latest version of the Windows operating system and features significant changes compared to previous versions. Windows 10 introduces several new capabilities and also combines features from both Windows 7 and Windows 8. For more information about NI support for Windows 10, refer to NI Product Compatibility for Microsoft Windows 10.
NI Software will drop support for Phar Lap ETS Real-Time Operating System starting in 2022. Versions of this product that ship after May 1, 2022, may not install or execute correctly on this operating system.
The following sections detail considerations for using LabVIEW NXG with NI-DAQmx 21.3.
The following devices are supported but must be configured in NI MAX:
The following devices are not supported in LabVIEW NXG:
View context help in LabVIEW by pressing <Ctrl-H> and hovering over an object.
Search for items using the search bar in the upper right corner of the LabVIEW window. You can also view context help for the search results.
Additional documentation is available online at ni.com/manuals.
Launch LabVIEW and click the Learning tab.
LabVIEW lessons are located in the Lessons tab, and LabVIEW Examples are located in the Examples tab. Follow the instructions in the lessons and examples.
For more information, including system requirements and known issues, about DAQExpress, visit the DAQExpress Readme. For supported hardware, visit the DAQExpress Manual.
NI-DAQmx no longer supports Windows Vista/XP/7/8.x, Windows Server 2003/2008/2012, or any 32-bit Windows operating system. Versions of this product that ship after May 1, 2021, may not install or execute correctly on these operating systems. For detailed information about NI operating system support, visit https://www.ni.com/r/win32bitsupport.
Copyright
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NI respects the intellectual property of others, and we ask our users to do the same. NI software is protected by copyright and other intellectual property laws. Where NI software may be used to reproduce software or other materials belonging to others, you may use NI software only to reproduce materials that you may reproduce in accordance with the terms of any applicable license or other legal restriction.
End-User License Agreements and Third-Party Legal Notices
You can find end-user license agreements (EULAs) and third-party legal notices in the following locations after installation:
U.S. Government Restricted Rights
If you are an agency, department, or other entity of the United States Government ("Government"), the use, duplication, reproduction, release, modification, disclosure or transfer of the technical data included in this manual is governed by the Restricted Rights provisions under Federal Acquisition Regulation 52.227-14 for civilian agencies and Defense Federal Acquisition Regulation Supplement Section 252.227-7014 and 252.227-7015 for military agencies.
IVI Foundation Copyright Notice
Content from the IVI specifications reproduced with permission from the IVI Foundation.
The IVI Foundation and its member companies make no warranty of any kind with regard to this material, including, but not limited to, the implied warranties of merchantability and fitness for a particular purpose. The IVI Foundation and its member companies shall not be liable for errors contained herein or for incidental or consequential damages in connection with the furnishing, performance, or use of this material.
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Refer to the NI Trademarks and Logo Guidelines at ni.com/trademarks for information on NI trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies.
The mark LabWindows is used under a license from Microsoft Corporation. Windows is a registered trademark of Microsoft Corporation in the United States and other countries.
Patents
For patents covering the NI products/technology, refer to the appropriate location: Help»Patents in your software, the patents.txt file on your media, or the National Instruments Patent Notice at ni.com/patents.
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