Instruction/ maintenance manual of the product NI USB-9229 National Instruments
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USER GUIDE AND SPECIFICATIONS NI USB-9229/9239 4-Channel, 24-Bit Analog Vo ltage Input Module This user guide describes how to use the National Instruments USB-9229/9239 and lists the device specifications. In this document, the NI USB-9229 and NI USB-9239 ar e referred to inclusiv ely as the NI USB-9229/9239.
NI USB-9229/9 239 User Guid e and Specifications 2 ni.com Dimensions Figure 2 shows the NI USB-9229/9239 device dimensions. Figure 2. NI USB-9229/9239 Device in Millimeters (Inches) Safety Guidelines Ope ra te t he NI USB -9229/ 9239 only as described in these operating instructions.
© National Instruments Corporation 3 NI US B-9229/9239 User G u ide and Specifications Caution Make sure that de vices and circuits connected to the module are properly insulated from human contact. Caution When module term in als are hazardous voltage LIVE (>42.
NI USB-9229/9 239 User Guid e and Specifications 4 ni.com The NI-DAQmx Help contains general inform ation about measurement concepts, key NI-D A Qmx concepts, and common applications that are applicable to all programming environments. Select Start»All Programs»National Instruments»NI-D A Q»NI-DA Qmx Hel p .
© National Instruments Corporation 5 NI US B-9229/9239 User G u ide and Specifications Measurement Studio If you program your NI-D A Qm x-su pported device in Measurement Studio using V isual C++, V isual C#, or V isu al Basic .
NI USB-9229/9 239 User Guid e and Specifications 6 ni.com The installed documentation co ntains the NI-D A Qmx API overvie w , measurement tasks and concepts, and func tion reference. This help is fully integrated into the V isual St udio .NET documentation.
© National Instruments Corporation 7 NI US B-9229/9239 User G u ide and Specifications Installing Other Software If you are using other softw are, refer to the installation inst ructions that accompany your software. Example Programs The NI-DAQmx CD contains example programs that you can use to get started programming with the NI USB-9229/9 239.
NI USB-9229/9 239 User Guid e and Specifications 8 ni.com 5. Press firmly on the connector side of t he NI 9229/9239 m odule until the latches lock the module into place, as sho wn in Figure 5.
© National Instruments Corporation 9 NI US B-9229/9239 User G u ide and Specifications LED Indicator The NI USB-9229/9239 device has a green LED next to the USB connector.
NI USB-9229/9 239 User Guid e and Specifications 10 ni.com source to the AI– terminal. Refer to Table 3 for the terminal assignments for each channel.
© National Instruments Corporation 11 NI US B-9229/923 9 User Gu ide and Specifications Connecting Signal Sources to the NI USB-9229/9239 You can connect ground-referenced or floating signal sources to the NI USB-9229/9239.
NI USB-9229/9 239 User Guid e and Specifications 12 ni.com Each channel provides an independent signal path and ADC, enablin g you to sample all four channels simu ltaneously . Refer to Figur e 10 for an illustration of the circuitry for one channel. Figure 10.
© National Instruments Corporation 13 NI US B-9229/923 9 User Gu ide and Specifications Passband The signals within the passband have frequ ency-dependent gain or attenuation. The small amount of vari ation in gain with respect to frequency is called the passband flatness.
NI USB-9229/9 239 User Guid e and Specifications 14 ni.com Specifications The following specifications are typical for the range 0 to 60 °C unless otherwise noted. All voltages ar e relative to the AI– signal on each channel unless otherwise noted.
© National Instruments Corporation 15 NI US B-9229/923 9 User Gu ide and Specifications Accuracy, NI USB-9229 Accuracy, NI USB-9239 Input noise NI USB-9229 ................... .............. . 320 μ V rms NI USB-9239 ................... ........... .
NI USB-9229/9 239 User Guid e and Specifications 16 ni.com NI USB-9229 ............... ....................0.045°/kHz + 360°· f in /M clk 1 NI USB-9239 ............... ....................0.075°/kHz + 360°· f in /M clk 1 Phase nonlinearity ( f s = 50 kS/s).
© National Instruments Corporation 17 NI US B-9229/923 9 User Gu ide and Specifications Physical Characteristics Screw-terminal wiring..................... ....... 16 to 28 AWG copper conductor wire with 7 mm (0.28 in .) of insulation stripped from the end Torque for screw terminals .
NI USB-9229/9 239 User Guid e and Specifications 18 ni.com Note For UL and other safety certifications, refer to the product lab el or visit ni.com/ certification , search for the module number or product line, and click the appropriate link in the Certification column.
© National Instruments Corporation 19 NI US B-9229/923 9 User Gu ide and Specifications CE Compliance This product meets the essential re quirements of applicable European Directives, as amended fo r.
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An important point after buying a device National Instruments NI USB-9229 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought National Instruments NI USB-9229 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data National Instruments NI USB-9229 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, National Instruments NI USB-9229 you will learn all the available features of the product, as well as information on its operation. The information that you get National Instruments NI USB-9229 will certainly help you make a decision on the purchase.
If you already are a holder of National Instruments NI USB-9229, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime National Instruments NI USB-9229.
However, one of the most important roles played by the user manual is to help in solving problems with National Instruments NI USB-9229. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device National Instruments NI USB-9229 along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
