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CompactDAQ
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<h2 id="hardware">Hardware</h2> <p>CompactDAQ systems are managed by a chassis controller module, which controls data transfer between up-to 8 I/O modules and a <a href="/facts/Personal_computer/koaYfNce">PC</a>.<a class="footnote-ref" id="fnref:9" href="#fn:9"><sup>9</sup></a><a class="footnote-ref" id="fnref:10" href="#fn:10"><sup>10</sup></a> The chassis controller contains a timing controller that synchronizes data acquisition from all connected I/O modules.<a class="footnote-ref" id="fnref:11" href="#fn:11"><sup>11</sup></a> The following types of chassis controllers are available: </p> <ul><li>USB Chassis - designed for small, portable, mixed-measurement systems on the benchtop or in the field<a class="footnote-ref" id="fnref:12" href="#fn:12"><sup>12</sup></a><a class="footnote-ref" id="fnref:13" href="#fn:13"><sup>13</sup></a></li> <li>Ethernet Chassis - ideal for distributed measurement systems in locations where <a href="/facts/Ethernet/nMfhU8tU">Ethernet</a> networking infrastructure already exists<a class="footnote-ref" id="fnref:14" href="#fn:14"><sup>14</sup></a><a class="footnote-ref" id="fnref:15" href="#fn:15"><sup>15</sup></a></li> <li>Wireless Chassis - zero configuration setup over <a href="/facts/Wi-Fi/u94quCsx">Wi-Fi</a> and support for over 50 measurement-specific modules<a class="footnote-ref" id="fnref:16" href="#fn:16"><sup>16</sup></a></li></ul> <p>CompactDAQ systems connect to sensors via wired or wireless I/O modules, connected to a chassis controller.<a class="footnote-ref" id="fnref:17" href="#fn:17"><sup>17</sup></a> Currently only NI C Series modules are compatible with the CompactDAQ platform.<a class="footnote-ref" id="fnref:18" href="#fn:18"><sup>18</sup></a> Modules are available with <a href="/facts/Analog-to-digital_converter/8YYNsMFg">analog inputs</a> and <a href="/facts/Digital-to-analog_converter/5loEvAeb">outputs</a> for various sensor and signal types, digital inputs and outputs, built-in <a href="/facts/Signal_conditioning/CPfjRUAJ">signal conditioning</a> and <a href="/facts/Analog-to-digital_converter/8YYNsMFg">ADCs</a>, and most modules provide <a href="/facts/Electrical_isolation/IMQkwezo">electrical isolation</a>.<a class="footnote-ref" id="fnref:19" href="#fn:19"><sup>19</sup></a> </p> <h2 id="software">Software</h2> <p>Sensor data is collected and analyzed using compatible <a href="/facts/Personal_computer/koaYfNce">PC</a> software such as <a href="/facts/LabVIEW/ue0vyha4">LabVIEW</a>, <a href="/facts/LabWindows/CVI/j8RhSpLU">LabWindows/CVI</a>, <a href="/facts/Measurement_Studio/LxXgHab0">Measurement Studio</a> and SignalExpress, also built by National Instruments.<a class="footnote-ref" id="fnref:20" href="#fn:20"><sup>20</sup></a> <a href="/facts/Application_programming_interface/GMlN4vUr">Application programming interfaces</a> are also available for C/C++, and <a href="/facts/.NET_Framework/J6QDAUhP">.NET</a> languages such as C#.<a class="footnote-ref" id="fnref:21" href="#fn:21"><sup>21</sup></a> </p><p>LabVIEW integrates with CompactDAQ chassis controller hardware to connect to physical sensor or signal data sources. LabVIEW can also connect to oscilloscopes and USB DAQ systems using the <i>Measurement and Automation eXplorer</i> (MAX) LabVIEW component.<a class="footnote-ref" id="fnref:22" href="#fn:22"><sup>22</sup></a> </p><p>In LabVIEW, virtual instruments can be configured and simulated, in order to test data processing when physical hardware is not available.<a class="footnote-ref" id="fnref:23" href="#fn:23"><sup>23</sup></a> The <i>Virtual Instrument Software Architecture</i> (VISA) is the back-end component that manages communication between LabVIEW and CompactDAQ hardware.<a class="footnote-ref" id="fnref:24" href="#fn:24"><sup>24</sup></a> </p><p>NI SignalExpress LE is provided with every chassis controller for basic data logging and analysis.<a class="footnote-ref" id="fnref:25" href="#fn:25"><sup>25</sup></a> NI SignalExpress is a <a href="/facts/Microsoft_Windows/bwhAhuSL">Microsoft Windows</a> application that provides features for acquiring, analyzing, and displaying data from compatible data acquisition devices and instruments.<a class="footnote-ref" id="fnref:26" href="#fn:26"><sup>26</sup></a> </p> <h2 id="see-also">See also</h2> <ul><li><a href="/facts/CompactRIO/NQehajCp">CompactRIO</a></li></ul> <h2 id="external-links">External links</h2> <ul><li><a href="http://www.ni.com/data-acquisition/compactdaq/">NI CompactDAQ</a></li></ul> <h2 id="references">References</h2> <ol> <li id="fn:1"><p>Advanced Aerospace Applications, Springer Science & Business Media, 02-Apr-2011 <a href="https://books.google.com/books?id=NY5yq2R1Se4C&dq=CompactDAQ&pg=PA280" target="_blank">https://books.google.com/books?id=NY5yq2R1Se4C&dq=CompactDAQ&pg=PA280</a> <a href="#fnref:1" class="footnote-back-ref">↩</a></p></li> <li id="fn:2"><p>Conversion of Large Scale Wastes into Value-added Products, CRC Press, 12-Dec-2013 <a href="https://books.google.com/books?id=RDfqp_bPNxEC&dq=CompactDAQ&pg=PA149" target="_blank">https://books.google.com/books?id=RDfqp_bPNxEC&dq=CompactDAQ&pg=PA149</a> <a href="#fnref:2" class="footnote-back-ref">↩</a></p></li> <li id="fn:3"><p>CompactDAQ, National Instruments <a href="http://www.ni.com/data-acquisition/compactdaq/" target="_blank">http://www.ni.com/data-acquisition/compactdaq/</a> <a href="#fnref:3" class="footnote-back-ref">↩</a></p></li> <li id="fn:4"><p>Sensor Technologies for Civil Infrastructures, Elsevier, 26-Apr-2014 <a href="https://books.google.com/books?id=TfTCAgAAQBAJ&dq=CompactDAQ&pg=PA41" target="_blank">https://books.google.com/books?id=TfTCAgAAQBAJ&dq=CompactDAQ&pg=PA41</a> <a href="#fnref:4" class="footnote-back-ref">↩</a></p></li> <li id="fn:5"><p>Mechatronics: Ideas for Industrial Applications, Springer, 24-Sep-2014 <a href="https://books.google.com/books?id=DwWcBAAAQBAJ&dq=CompactDAQ&pg=PA441" target="_blank">https://books.google.com/books?id=DwWcBAAAQBAJ&dq=CompactDAQ&pg=PA441</a> <a href="#fnref:5" class="footnote-back-ref">↩</a></p></li> <li id="fn:6"><p>CompactDAQ, National Instruments <a href="http://www.ni.com/data-acquisition/compactdaq/" target="_blank">http://www.ni.com/data-acquisition/compactdaq/</a> <a href="#fnref:6" class="footnote-back-ref">↩</a></p></li> <li id="fn:7"><p>What Is NI CompactDAQ?, National Instruments <a href="http://www.ni.com/compactdaq/whatis/" target="_blank">http://www.ni.com/compactdaq/whatis/</a> <a href="#fnref:7" class="footnote-back-ref">↩</a></p></li> <li id="fn:8"><p>Conversion of Large Scale Wastes into Value-added Products, CRC Press, 12-Dec-2013 <a href="https://books.google.com/books?id=RDfqp_bPNxEC&dq=CompactDAQ&pg=PA149" target="_blank">https://books.google.com/books?id=RDfqp_bPNxEC&dq=CompactDAQ&pg=PA149</a> <a href="#fnref:8" class="footnote-back-ref">↩</a></p></li> <li id="fn:9"><p>Operational Modal Analysis of Civil Engineering Structures, Springer, 01-Jan-2014 <a href="https://books.google.com/books?id=IEYkBAAAQBAJ&dq=CompactDAQ&pg=PA92" target="_blank">https://books.google.com/books?id=IEYkBAAAQBAJ&dq=CompactDAQ&pg=PA92</a> <a href="#fnref:9" class="footnote-back-ref">↩</a></p></li> <li id="fn:10"><p>What Is NI CompactDAQ?, National Instruments <a href="http://www.ni.com/compactdaq/whatis/" target="_blank">http://www.ni.com/compactdaq/whatis/</a> <a href="#fnref:10" class="footnote-back-ref">↩</a></p></li> <li id="fn:11"><p>Instrument Engineers' Handbook, CRC Press, 19-Aug-2011 <a href="https://books.google.com/books?id=zKKG3ZuOtYgC&dq=CompactDAQ&pg=PA362" target="_blank">https://books.google.com/books?id=zKKG3ZuOtYgC&dq=CompactDAQ&pg=PA362</a> <a href="#fnref:11" class="footnote-back-ref">↩</a></p></li> <li id="fn:12"><p>What Is NI CompactDAQ?, National Instruments <a href="http://www.ni.com/compactdaq/whatis/" target="_blank">http://www.ni.com/compactdaq/whatis/</a> <a href="#fnref:12" class="footnote-back-ref">↩</a></p></li> <li id="fn:13"><p>Conversion of Large Scale Wastes into Value-added Products, CRC Press, 12-Dec-2013 <a href="https://books.google.com/books?id=RDfqp_bPNxEC&dq=CompactDAQ&pg=PA149" target="_blank">https://books.google.com/books?id=RDfqp_bPNxEC&dq=CompactDAQ&pg=PA149</a> <a href="#fnref:13" class="footnote-back-ref">↩</a></p></li> <li id="fn:14"><p>What Is NI CompactDAQ?, National Instruments <a href="http://www.ni.com/compactdaq/whatis/" target="_blank">http://www.ni.com/compactdaq/whatis/</a> <a href="#fnref:14" class="footnote-back-ref">↩</a></p></li> <li id="fn:15"><p>Conversion of Large Scale Wastes into Value-added Products, CRC Press, 12-Dec-2013 <a href="https://books.google.com/books?id=RDfqp_bPNxEC&dq=CompactDAQ&pg=PA149" target="_blank">https://books.google.com/books?id=RDfqp_bPNxEC&dq=CompactDAQ&pg=PA149</a> <a href="#fnref:15" class="footnote-back-ref">↩</a></p></li> <li id="fn:16"><p>What Is NI CompactDAQ?, National Instruments <a href="http://www.ni.com/compactdaq/whatis/" target="_blank">http://www.ni.com/compactdaq/whatis/</a> <a href="#fnref:16" class="footnote-back-ref">↩</a></p></li> <li id="fn:17"><p>Instrument Engineers' Handbook, CRC Press, 19-Aug-2011 <a href="https://books.google.com/books?id=zKKG3ZuOtYgC&dq=CompactDAQ&pg=PA362" target="_blank">https://books.google.com/books?id=zKKG3ZuOtYgC&dq=CompactDAQ&pg=PA362</a> <a href="#fnref:17" class="footnote-back-ref">↩</a></p></li> <li id="fn:18"><p>What Is NI CompactDAQ?, National Instruments <a href="http://www.ni.com/compactdaq/whatis/" target="_blank">http://www.ni.com/compactdaq/whatis/</a> <a href="#fnref:18" class="footnote-back-ref">↩</a></p></li> <li id="fn:19"><p>Instrument Engineers' Handbook, CRC Press, 19-Aug-2011 <a href="https://books.google.com/books?id=zKKG3ZuOtYgC&dq=CompactDAQ&pg=PA362" target="_blank">https://books.google.com/books?id=zKKG3ZuOtYgC&dq=CompactDAQ&pg=PA362</a> <a href="#fnref:19" class="footnote-back-ref">↩</a></p></li> <li id="fn:20"><p>LabVIEW Graphical Programming Cookbook, Packt Publishing Ltd, 23-Jan-2014 <a href="https://books.google.com/books?id=-YOmAgAAQBAJ&dq=CompactDAQ+software&pg=PA12-IA28" target="_blank">https://books.google.com/books?id=-YOmAgAAQBAJ&dq=CompactDAQ+software&pg=PA12-IA28</a> <a href="#fnref:20" class="footnote-back-ref">↩</a></p></li> <li id="fn:21"><p>What Is NI CompactDAQ?, Software Tab, National Instruments <a href="http://www.ni.com/compactdaq/whatis/" target="_blank">http://www.ni.com/compactdaq/whatis/</a> <a href="#fnref:21" class="footnote-back-ref">↩</a></p></li> <li id="fn:22"><p>LabVIEW Graphical Programming Cookbook, Packt Publishing Ltd, 23-Jan-2014 <a href="https://books.google.com/books?id=-YOmAgAAQBAJ&dq=CompactDAQ+software&pg=PA12-IA28" target="_blank">https://books.google.com/books?id=-YOmAgAAQBAJ&dq=CompactDAQ+software&pg=PA12-IA28</a> <a href="#fnref:22" class="footnote-back-ref">↩</a></p></li> <li id="fn:23"><p>LabVIEW Graphical Programming Cookbook, Packt Publishing Ltd, 23-Jan-2014 <a href="https://books.google.com/books?id=-YOmAgAAQBAJ&dq=CompactDAQ+software&pg=PA12-IA28" target="_blank">https://books.google.com/books?id=-YOmAgAAQBAJ&dq=CompactDAQ+software&pg=PA12-IA28</a> <a href="#fnref:23" class="footnote-back-ref">↩</a></p></li> <li id="fn:24"><p>LabVIEW Graphical Programming Cookbook, Packt Publishing Ltd, 23-Jan-2014 <a href="https://books.google.com/books?id=-YOmAgAAQBAJ&dq=CompactDAQ+software&pg=PA12-IA28" target="_blank">https://books.google.com/books?id=-YOmAgAAQBAJ&dq=CompactDAQ+software&pg=PA12-IA28</a> <a href="#fnref:24" class="footnote-back-ref">↩</a></p></li> <li id="fn:25"><p>[1], National Instruments <a href="https://www.ni.com/en-us/shop/compactdaq/what-are-compactdaq-chassis.html" target="_blank">https://www.ni.com/en-us/shop/compactdaq/what-are-compactdaq-chassis.html</a> <a href="#fnref:25" class="footnote-back-ref">↩</a></p></li> <li id="fn:26"><p>SignalExpress, National Instruments <a href="http://www.ni.com/labview/signalexpress/" target="_blank">http://www.ni.com/labview/signalexpress/</a> <a href="#fnref:26" class="footnote-back-ref">↩</a></p></li> </ol>