National Instruments NI USB-9234の取扱説明書

デバイスNational Instruments NI USB-9234の取扱説明書

デバイス: National Instruments NI USB-9234
カテゴリ: ネットワークカード
メーカー: National Instruments
サイズ: 0.63 MB
追加した日付: 6/19/2014
ページ数: 23
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要旨

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内容要旨
ページ1に含まれる内容の要旨

Hi-Speed USB Carrier
NI USB-9162
HI-Speed USB Carrier
NI USB-9162
USER GUIDE AND SPECIFICATIONS
NI USB-9234
4-Channel, ±5 V, 24-Bit Software-Selectable IEPE and AC/DC
Analog Input Module
This user guide describes how to use the National Instruments USB-9234
and includes device specifications and connector assignments.
Introduction
The NI USB-9234 consists of two components: an NI 9234 module and an
NI USB-9162 carrier, as shown in Figure 1.
NI 9234
NI USB-9162
NI USB-9234
Figure 1. NI USB-92

ページ2に含まれる内容の要旨

Dimensions Figure 2 shows the NI USB-9234 device dimensions. Hi-Speed USB Carrier NI USB-9162 140.66 mm 120.68 mm (5.538 in.) (4.751 in.) 138.30 mm 118.26 mm (5.445 in.) (4.656 in.) 88.12 mm 25.34 mm (3.469 in.) (0.998 in.) 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 stringent certification standards than the NI USB-9234, when used with the NI USB-9162 carrier

ページ3に含まれる内容の要旨

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 or pk 60 VDC to earth ground. Caution Ensure that hazardous voltage wiring is performed only by qualified personnel adhering to local electrical standards. Caution Do not mix hazardous voltage circuits and human-accessible circuits on the same module. Caution Make sure that devices and circuits connected to the module

ページ4に含まれる内容の要旨

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 applications. Open the Getting Started with LabVIEW manual by selecting Start»All Programs»National Instruments»LabVIEW»LabVIEW Manuals or by navigating to the labview\manuals directory and opening LV_Getting_Started.pdf. Use the LabVIEW Help, available b

ページ5に含まれる内容の要旨

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 MAX or from within Visual Studio .NET. You can generate the configuration code based on your task or channel in Measurement Studio. Refer to the DAQ Assistant Help for additional information about generating code. You also can create channels and tasks, and write your own

ページ6に含まれる内容の要旨

.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 .NET 2003 or Microsoft Visual Studio 2005 for the API documentation to be installed. The installed documentation contains the NI-DAQmx API overview, measurement tasks and concepts, and function reference. This help is fully integrated into the Visua

ページ7に含まれる内容の要旨

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 instructions for installing software and hardware, configuring channels and tasks, and getting started developing an application. Installing Other Software If you are using other software, refer to the installation instructions that accompany your software. Example Programs

ページ8に含まれる内容の要旨

Hi-Speed USB Carrier NI USB-9162 Hi-Speed USB Carrier NI USB-9162 3. Align the I/O module with the carrier, as shown in Figure 3. Figure 3. Module Installation 4. Squeeze the latches and insert the NI 9234 module into the NI USB-9162 carrier. 5. Press firmly on the connector side of the NI 9234 module until the latches lock the module into place, as shown in Figure 4. Figure 4. Locking Module into Place NI USB-9234 User Guide and Specifications 8 ni.com

ページ9に含まれる内容の要旨

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. 85.7 mm (3.37 in.) 72.2 mm (2.84 in.) Threaded Insert M3 x 0.5 8.5 mm (0.34 in.) Max Depth 76.1 mm (3.00 in.) Figure 5. Module Dimensions Connecting the NI USB-9234 to a Computer Plug one end of the USB cable into the NI USB-9234 and the other end into an available USB port on the computer. Refer to the NI-DAQmx for USB Devices Getting Started Guid

ページ10に含まれる内容の要旨

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 initialized and is receiving power from the connection. If your device is not blinking, make sure your computer has the latest version of NI-DAQmx installed on it, and that the computer is not in standby mode. Table 1. LED State/Device Status LED Sta

ページ11に含まれる内容の要旨

Wiring the NI USB-9234 The NI USB-9234 has four BNC connectors that provide connections to four simultaneously sampled analog input channels. Each channel has a BNC connector to which you can connect a signal source. You can also enable excitation current on a per-channel basis to connect Integrated Electronic Piezoelectric (IEPE) sensors. The center pin of the connector, AI+, provides the DC signal connection. The shell of the connector, AI–, provides the excitation return path and AC sig

ページ12に含まれる内容の要旨

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 the BNC connectors from touching each other, the modules, or the chassis. If you make a ground-referenced connection between the signal source and the NI USB-9234, make sure the voltage on the AI– shell is in the common-mode range to ensure prope

ページ13に含まれる内容の要旨

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 is protected from overvoltages. You can configure the NI USB-9234 for AC or DC coupling for each channel. You can turn the IEPE excitation current on or off in AC-coupled mode (in software). IEPE current is not available in DC-coupled mode. The input signal on each channel

ページ14に含まれる内容の要旨

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 representation of in-band signals while rejecting out-of-band signals. The filters discriminate between signals based on the frequency range, or bandwidth, of the signal. The three important bandwidths to consider are the passband, the stopband, and the alias

ページ15に含まれる内容の要旨

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 stopband rejection is the minimum amount of attenuation applied by the filter to all signals with frequencies within the stopband. Alias-Free Bandwidth Any signal that appears in the alias-free bandwidth of the NI USB-9234 is not an aliased artifact of signals at a higher frequ

ページ16に含まれる内容の要旨

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.......................................24 bits Type of ADC ..........................................Delta-Sigma (with analog prefiltering) Sampling mode .......................................Simultaneous Type of TEDS supported........................IEEE.1451.4 TEDS Class I (inte

ページ17に含まれる内容の要旨

AC cutoff frequency response 0.5 0.0 –0.5 –1.0 09 1 2 3 4 5 6 7 8 10 Frequency (Hz) Input range ............................................. ±5 V AC voltage full-scale range Minimum ........................................ ±5 V pk Typical ............................................ ±5.1 V pk Maximum........................................ ±5.2 V pk Common-mode voltage (AI– to earth ground) ............................. ±2 V max IEPE excitation current (software-selectable on/off) Minimum ....

ページ18に含まれる内容の要旨

Overvoltage protection (with respect to chassis ground) For a signal source connected to AI+ and AI– ................................±30 V For a low-impedance source connected to AI+ and AI– ...............–6 to 30 V Input delay ..............................................3.2 ms + 38.4 f s 1 Accuracy * Percent of Reading Percent of Range Measurement Conditions (Gain Error) (Offset Error) Calibrated max (–40 to 70 °C) 0.34%, ±0.14%, ±0.03 dB 7.1 mV Calibrated typ (25 °C ±5 °C) 0.05%, ±0.006%, ±

ページ19に含まれる内容の要旨

Phase nonlinearity (f = 51.2 kS/s) ................................ ±0.45° max s Stopband Frequency........................................ 0.55 · f s Rejection ......................................... 100 dB Alias-free bandwidth.............................. 0.45 · f s Oversample rate ..................................... 64 · f s Crosstalk (1 kHz) ................................... –110 dB CMRR (f ≤ 1 kHz) in Minimum ........................................ 40 dB Typical ....................

ページ20に含まれる内容の要旨

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 Dimensions .............................................12.1 cm × 8.6 cm × 2.5 cm (4.75 in. × 3.37 in. × 0.99 in.) Weight ....................................................Approx. 250 g (8.8 oz) Safety If you need to clean the module, wipe it with a dry towel


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