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USER GUIDE AND SPECIFICATIONS

NI USB-9229/9239

4-Channel, 24-Bit Analog Voltage 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 are referred to inclusively as the 
NI USB-9229/9239.

Introduction

The NI USB-9229/9239 provides a USB interface for four channels of 
24-bit simultaneous analog input with integrated signal conditioning. The 
NI USB-9229/9239 consists of two components: an NI 9229/9239 module 
and an NI USB-9162 carrier, as shown in Figure 1.

Figure 1.  

NI USB-9229/9239 Components

 

NI 9229/9239

NI USB-9162

NI USB-9229/9239

Hi-SP

eed USB Carrie

r

NI U

SB-9162

Hi-Speed USB Carrie

r

NI U

SB-9162

Summary of Contents for NI USB-9229

Page 1: ...ly as the NI USB 9229 9239 Introduction The NI USB 9229 9239 provides a USB interface for four channels of 24 bit simultaneous analog input with integrated signal conditioning The NI USB 9229 9239 con...

Page 2: ...may result in bodily injury 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...

Page 3: ...for more information about installing the backshell Related Documentation Each application software package and driver includes information about writing applications for taking measurements and contr...

Page 4: ...palettes menus and tools Refer to the following locations on the Contents tab of the LabVIEW Help for information about NI DAQmx Getting Started Getting Started with DAQ Includes overview information...

Page 5: ...T select Measurement Studio NI Measurement Studio Help To create an application in Visual C Visual C or Visual Basic NET follow these general steps 1 In Visual Studio NET select File New Project to la...

Page 6: ...documentation for supported DAQ SCXI and switch devices such as help files describing device pinouts features and operation and PDF files of the printed device documents You can find view and or print...

Page 7: ...installing the device you must install the software you plan to use with the device Refer to the Installing the Software section of this guide and the documentation included with the software for mor...

Page 8: ...panel Refer to Figure 6 for dimensions Figure 6 Module Dimensions In Millimeters Inches Connecting the NI USB 9229 9239 to a Computer Plug one end of the USB cable into the NI USB 9229 9239 and the o...

Page 9: ...n standby mode Wiring the NI USB 9229 9239 Note Table 2 illustrates the accessories available from ni com for use with the NI USB 9229 9239 The NI USB 9229 9239 has four 2 terminal detachable screw te...

Page 10: ...nal Instruments recommends that you either use ferrules to terminate wires to the detachable screw terminal connector or use the NI 9971 backshell kit to protect the connections Refer to Figure 7 for...

Page 11: ...39 Refer to the Specifications section for more information about operating voltages and overvoltage protection Figures 8 and 9 illustrate connecting grounded and floating signal sources to the NI USB...

Page 12: ...sentation 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 cons...

Page 13: ...Passband Response 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 p...

Page 14: ...g Sampling mode Simultaneous Data rate range fs Minimum 1 613 kS s Maximum 50 kS s1 Data rates fs n 1 2 31 Master timebase internal Frequency 12 8 MHz Accuracy 100 ppm max Operating voltage ranges2 Ov...

Page 15: ...ch to ch NI USB 9229 0 045 kHz max NI USB 9239 0 075 kHz max Phase mismatch module to module max Error Percent of Reading Gain Error Percent of Range Offset Error Calibrated max 0 to 60 C 0 13 0 05 C...

Page 16: ...tness fs 50 kS s 100 mdB max Stopband Frequency 0 547 fs Rejection 100 dB Alias free bandwidth 0 453 fs 3 dB prefilter bandwidth fs 50 kS s 24 56 kHz CMRR fin 60 Hz NI USB 9229 116 dB NI USB 9239 126...

Page 17: ...stand test Channel to channel Continuous 250 Vrms Measurement Category II Withstand 1390 Vrms verified by a 5 s dielectric withstand test Measurement Category II is for measurements performed on circu...

Page 18: ...enclosure Operating temperature IEC 60068 2 1 IEC 60068 2 2 0 to 60 C Storage temperature IEC 60068 2 1 IEC 60068 2 2 40 to 85 C Operating humidity IEC 60068 2 56 10 to 90 RH noncondensing Storage hu...

Page 19: ...us substances from our products is beneficial not only to the environment but also to NI customers For additional environmental information refer to the NI and the Environment Web page at ni com envir...

Page 20: ...onal Instruments also has offices located around the world to help address your support needs For telephone support in the United States create your service request at ni com support and follow the ca...

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