National Instruments NI USB-9234 - Manual

Page 2 - Dimensions; Note

NI USB-9234 User Guide and Specifications 2 ni.com Dimensions Figure 2 shows the NI USB-9234 device dimensions. Figure 2. NI USB-9234 Device in Millimeters (Inches) Safety Guidelines Operate the NI USB-9234 only as described in this user guide. Note Although the NI 9234 module may have more stringen...

Page 3 - Safety Guidelines for Hazardous Voltages; hazardous voltages; Caution; Related Documentation; DAQ Getting Started Guide; Start»All

© National Instruments Corporation 3 NI USB-9234 User Guide and Specifications Safety Guidelines for Hazardous Voltages If hazardous voltages are connected to the module, take the following precautions. A hazardous voltage is a voltage greater than 42.4 V pk or 60 VDC to earth ground. Caution Ensure...

Page 4 - LabVIEW

NI USB-9234 User Guide and Specifications 4 ni.com LabVIEW If you are a new user, use the Getting Started with LabVIEW manual to familiarize yourself with the LabVIEW graphical programming environment and the basic LabVIEW features you use to build data acquisition and instrument control application...

Page 5 - Measurement Studio; DAQ; ANSI C without NI Application Software; NI-DAQmx C Reference Help

© National Instruments Corporation 5 NI USB-9234 User Guide and Specifications Measurement Studio If you program your NI-DAQmx-supported device in Measurement Studio using Visual C++, Visual C#, or Visual Basic .NET, you can interactively create channels and tasks by launching the DAQ Assistant from...

Page 6 - .NET Languages without NI Application Software; Start»All Programs»National; Device Documentation and Specifications; Training Courses

NI USB-9234 User Guide and Specifications 6 ni.com .NET Languages without NI Application Software With the Microsoft .NET Framework version 1.1 or later, you can use NI-DAQmx to create applications using Visual C# and Visual Basic .NET without Measurement Studio. You need Microsoft Visual Studio .NE...

Page 7 - Installing Other Software; USB Devices Getting Started Guide; Start»All Programs»National Instruments»; for more information.; Installing the NI USB-9234 Device; Installing the Software

© National Instruments Corporation 7 NI USB-9234 User Guide and Specifications Installing the Software Software support for the NI USB-9234 for Windows Vista/XP/2000 is provided by NI-DAQmx. The DAQ Getting Started Guide , which you can download at ni.com/manuals , offers NI-DAQmx users step-by-step...

Page 9 - Connecting the NI USB-9234 to a Computer; Devices Getting Started Guide; Start»All Programs»National Instruments»NI-DAQ

© National Instruments Corporation 9 NI USB-9234 User Guide and Specifications Mounting the NI USB-9234 Threaded inserts are located in the NI USB-9234 for mounting it to a panel. Refer to Figure 5 for the module dimensions. Figure 5. Module Dimensions Connecting the NI USB-9234 to a Computer Plug o...

Page 10 - LED Indicator; LED State; Not lit

NI USB-9234 User Guide and Specifications 10 ni.com LED Indicator The NI USB-9234 device has a green LED next to the USB connector. The LED indicator indicates device status, as listed in Table 1. When the device is connected to a USB port, the LED blinks steadily to indicate that the device is init...

Page 12 - Connecting Signal Sources to the NI USB-9234; Specifications

NI USB-9234 User Guide and Specifications 12 ni.com Connecting Signal Sources to the NI USB-9234 You can connect ground-referenced or floating signal sensors to the NI USB-9234. To avoid picking up ground noise, use a floating connection. To further minimize ground noise, prevent the metal shells of...

Page 13 - resistor. To minimize ground noise, make sure that the

© National Instruments Corporation 13 NI USB-9234 User Guide and Specifications NI USB-9234 Circuitry The NI USB-9234 analog input channels are referenced to chassis ground through a 50 Ω resistor. To minimize ground noise, make sure that the chassis ground is connected to earth ground. Each channel...

Page 14 - and enter; Understanding NI USB-9234 Filtering

NI USB-9234 User Guide and Specifications 14 ni.com The NI USB-9234 also has TEDS circuitry. For more information about TEDS, go to ni.com/info and enter rdteds . Understanding NI USB-9234 Filtering The NI USB-9234 uses a combination of analog and digital filtering to provide an accurate representat...

Page 15 - Stopband; Understanding NI USB-9234 Data Rates; The frequency of a master timebase (

© National Instruments Corporation 15 NI USB-9234 User Guide and Specifications Stopband The filter significantly attenuates all signals above the stopband frequency. The primary goal of the filter is to prevent aliasing. Therefore, the stopband frequency scales precisely with the data rate. The sto...

Page 16 - Input Characteristics; Internal master timebase (

NI USB-9234 User Guide and Specifications 16 ni.com Specifications The following specifications are typical for the range 0 to 60 °C unless otherwise noted. Input Characteristics Number of channels ................................4 analog input channels ADC resolution ..................................

Page 17 - AC cutoff frequency response; where; is the bias voltage of the IEPE sensor,

© National Instruments Corporation 17 NI USB-9234 User Guide and Specifications AC cutoff frequency response Input range ............................................. ±5 V AC voltage full-scale range Minimum ........................................ ±5 V pk Typical ......................................

Page 18 - Measurement Conditions

NI USB-9234 User Guide and Specifications 18 ni.com Overvoltage protection (with respect to chassis ground) For a signal source connectedto AI+ and AI– ................................±30 V For a low-impedance sourceconnected to AI+ and AI– ...............– 6 to 30 V Input delay .......................

Page 19 - Idle Channel; Input

© National Instruments Corporation 19 NI USB-9234 User Guide and Specifications Phase nonlinearity ( f s = 51.2 kS/s) ................................ ±0.45° max Stopband Frequency........................................ 0.55 · f s Rejection ......................................... 100 dB Alias-fre...

Page 20 - Power Requirements; MAINS

NI USB-9234 User Guide and Specifications 20 ni.com Power Requirements Current consumption from USB .............500 mA, max Suspend mode..................................2.5 mA, max Bus Interface USB specification ...................................USB 2.0 Hi-Speed Physical Characteristics Dimensio...

Page 21 - Safety Standards; in the Certification column.; Hazardous Locations; The NI USB-9234 is not certified for use in hazardous locations.; Environmental; The NI USB-9234 device is intended for indoor use only.; Electromagnetic Compatibility; EN 61326 EMC requirements Minimum Immunity

© National Instruments Corporation 21 NI USB-9234 User Guide and Specifications Safety Standards This product is designed to meet the requirements of the following standards of safety for electrical equipment for measurement, control, and laboratory use: • IEC 61010-1, EN-61010-1 • UL 61010-1, CSA 6...

Page 22 - CE Compliance; Environmental Management; NI and the; Waste Electrical and Electronic Equipment (WEEE); EU Customers; Calibration; ⬉ᄤֵᙃѻક∵ᵻ᥻ࠊᄣ⧚ࡲ⊩ ˄Ё೑; RoHS

NI USB-9234 User Guide and Specifications 22 ni.com CE Compliance This product meets the essential requirements of applicable European Directives, as amended for CE marking, as follows: • 2006/95/EC; Low-Voltage Directive (safety) • 2004/108/EC; Electromagnetic Compatibility Directive (EMC) Note Ref...

Page 23 - Where to Go for Support; you have access to everything from

National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the Terms of Use section on ni.com/legal for more information about National Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their resp...

National Instruments NI USB-9234 - Manual

Table of Contents:

Summary

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