National Instruments Computer Hardware NI USB 9215 User Manual

USER GUIDE AND SPECIFICATIONS  
NI USB-9215 Series  
4-Channel, 10 VDC, 16-Bit Simultaneous Sampling Analog  
Input Devices  
This user guide describes how to use the National Instruments USB-9215  
Series and lists the specifications. In this document, the NI USB-9215/9215A  
with screw terminal or backshell and NI USB-9215A with BNC are referred to  
inclusively as the NI USB-9215 Series.  
Introduction  
The NI USB-9215 Series data acquisition devices provide a USB interface  
for four channels of 16-bit simultaneous sampling analog inputs with  
integrated signal conditioning. The NI USB-9215 Series consists of  
two components: an NI 9215 module and an NI USB-9161/9162 USB  
carrier, as shown in Figure 1.  
NI 9215  
NI USB-9161/9162  
NI USB-9215 Series  
Figure 1. NI USB-9215 Series Components  
Safety Guidelines  
Operate the NI USB-9215 Series only as described in these operating  
instructions.  
Note Although the NI 9215 module may have more stringent certification standards than  
the NI USB-9215 Series, when used with the NI USB-9161/9162 carrier, the combined  
system may be limited. Refer to the Specifications section of this document for more  
details.  
Hot Surface This icon denotes that the component may be hot. Touching this component  
may result in bodily injury.  
Caution Do not disconnect I/O-side wires or connectors unless power has been switched  
off or the area is known to be nonhazardous.  
Caution Do not remove modules unless power has been switched off or the area is known  
to be nonhazardous.  
Caution The NI USB-9215 Series is not certified for use in hazardous locations.  
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 Vpk or  
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 are properly  
insulated from human contact.  
Caution When module terminals are live with hazardous voltages, make sure the terminals  
are not accessible by using the high voltage screw terminal backshell. Refer to the  
Assembling the High Voltage Screw Terminal Backshell section for more information.  
© National Instruments Corporation  
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NI USB-9215 Series User Guide and Specifications  
Related Documentation  
Each application software package and driver includes information about  
writing applications for taking measurements and controlling measurement  
devices. The following references to documents assume you have  
NI-DAQmx 8.7 or later, NI-DAQmx Base version 3.x, and where  
applicable, version 7.1 or later of the NI application software.  
NI-DAQmx for Windows  
The DAQ Getting Started Guide describes how to install your NI-DAQmx  
for Windows software, how to install your NI-DAQmx-supported DAQ  
device, and how to confirm that your device is operating properly. Select  
Start»All Programs»National Instruments»NI-DAQ»DAQ Getting  
Started Guide.  
The NI-DAQ Readme lists which devices are supported by this version of  
NI-DAQ. Select Start»All Programs»National Instruments»NI-DAQ»  
NI-DAQ Readme.  
The NI-DAQmx Help contains general information about measurement  
concepts, key NI-DAQmx concepts, and common applications that are  
applicable to all programming environments. Select Start»All  
Programs»National Instruments»NI-DAQ»NI-DAQmx Help.  
Note For information about non-Windows operating system support, refer to  
ni.com/infoand enter BaseGSGML.  
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\manualsdirectory and opening LV_Getting_Started.pdf.  
NI USB-9215 Series User Guide and Specifications  
4
ni.com  
 
Use the LabVIEW Help, available by selecting Help»Search the  
LabVIEW Help in LabVIEW, to access information about LabVIEW  
programming concepts, step-by-step instructions for using LabVIEW, and  
reference information about LabVIEW VIs, functions, 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 and a tutorial to learn how to take an NI-DAQmx  
measurement in LabVIEW using the DAQ Assistant.  
VI and Function Reference»Measurement I/O VIs and  
Functions—Describes the LabVIEW NI-DAQmx VIs and properties.  
Taking Measurements—Contains the conceptual and how-to  
information you need to acquire and analyze measurement data in  
LabVIEW, including common measurements, measurement  
fundamentals, NI-DAQmx key concepts, and device considerations.  
LabWindows/CVI  
The Data Acquisition book of the LabWindows/CVI Help contains  
measurement concepts for NI-DAQmx. This book also contains Taking  
an NI-DAQmx Measurement in LabWindows/CVI, which includes  
step-by-step instructions about creating a measurement task using the DAQ  
Assistant. In LabWindows/CVI, select Help»Contents, then select  
Using LabWindows/CVI»Data Acquisition.  
The NI-DAQmx Library book of the LabWindows/CVI Help contains  
API overviews and function reference for NI-DAQmx. Select Library  
Reference»NI-DAQmx Library in the LabWindows/CVI Help.  
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 applications in your  
ADE using the NI-DAQmx API.  
For help with NI-DAQmx methods and properties, refer to the NI-DAQmx  
.NET Class Library or the NI-DAQmx Visual C++ Class Library included  
in the NI Measurement Studio Help. For general help with programming in  
Measurement Studio, refer to the NI Measurement Studio Help, which is  
fully integrated with the Microsoft Visual Studio .NET help. To view  
© National Instruments Corporation  
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NI USB-9215 Series User Guide and Specifications  
this help file in Visual Studio. NET, 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 launch the New  
Project dialog box.  
2. Find the Measurement Studio folder for the language you want to  
create a program in.  
3. Choose a project type. You add DAQ tasks as a part of this step.  
ANSI C without NI Application Software  
The NI-DAQmx Help contains API overviews and general information  
about measurement concepts. Select Start»All Programs»National  
Instruments»NI-DAQ»NI-DAQmx Help.  
The NI-DAQmx C Reference Help describes the NI-DAQmx Library  
functions, which you can use with National Instruments data acquisition  
devices to develop instrumentation, acquisition, and control applications.  
Select Start»All Programs»National Instruments»NI-DAQ»  
NI-DAQmx C Reference Help.  
.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 Visual Studio .NET documentation. To view the  
NI-DAQmx .NET documentation, go to Start»Programs»National  
Instruments»NI-DAQ»NI-DAQmx .NET Reference Help. Expand  
NI Measurement Studio Help»NI Measurement Studio .NET Class  
Library»Reference to view the function reference. Expand  
NI Measurement Studio Help»NI Measurement Studio .NET Class  
Library»Using the Measurement Studio .NET Class Libraries to view  
conceptual topics for using NI-DAQmx with Visual C# and Visual Basic  
.NET.  
To get to the same help topics from within Visual Studio, go to  
Help»Contents. Select Measurement Studio from the Filtered By  
drop-down list and follow the previous instructions.  
NI USB-9215 Series User Guide and Specifications  
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ni.com  
Device Documentation and Specifications  
NI-DAQmx includes the Device Document Browser, which contains online  
documentation for supported DAQ and SCXI devices, such as documents  
describing device pinouts, features, and operation. You can find, view,  
and/or print the documents for each device using the Device Document  
Browser at any time by inserting the CD. After installing the Device  
Document Browser, device documents are accessible from Start»  
All Programs»National Instruments»NI-DAQ»Browse Device  
Documentation.  
Note You can download these documents at ni.com/manuals.  
NI-DAQmx Base (Linux/Mac OS X/LabVIEW PDA 8.x)  
The NI-DAQmx Base Getting Started Guide describes how to install your  
NI-DAQmx Base software, your NI-DAQmx Base-supported DAQ device,  
and how to confirm that your device is operating properly. In Windows,  
select Start»All Programs»National Instruments»NI-DAQmx Base»  
Documentation»Getting Started Guide.  
Getting Started with NI-DAQmx Base for Linux and Mac Users describes  
how to install your NI-DAQmx Base software, your NI-DAQmx  
Base-supported DAQ device, and how to confirm that your device is  
operating properly on your Mac/Linux machine.  
The NI-DAQmx Base Readme lists which devices are supported by this  
version of NI-DAQmx Base. In Windows, select Start»All Programs»  
National Instruments»NI-DAQmx Base»DAQmx Base Readme.  
The NI-DAQmx Base VI Reference Help contains VI reference and general  
information about measurement concepts. In LabVIEW, select  
Help»NI-DAQmx Base VI Reference Help.  
The NI-DAQmx Base C Reference Help contains C reference and general  
information about measurement concepts. In Windows, select Start»All  
Programs»National Instruments»NI-DAQmxBase»Documentation»  
C Function Reference Help.  
Note All NI-DAQmx Base documentation for Linux is installed at /usr/local/  
natinst/nidaqmxbase/documentation.  
Note All NI-DAQmx Base documentation for Mac OS X is installed at  
/Applications/National Instruments/NI-DAQmx Base/documentation.  
© National Instruments Corporation  
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NI USB-9215 Series User Guide and Specifications  
Training Courses  
If you need more help getting started developing an application with  
NI products, NI offers training courses. To enroll in a course or obtain a  
detailed course outline, refer to ni.com/training.  
Technical Support on the Web  
For additional support, refer to ni.com/supportor zone.ni.com.  
Installing the Software  
Software support for the NI USB-9215 Series for Windows Vista/XP/2000  
is provided by NI-DAQmx or NI-DAQmx Base depending on the software  
you are using. Software support for your hardware depends on the carrier  
being used. Refer to Table 1 for a list of software support.  
Table 1. Devices and Corresponding Components  
Devices  
NI USB-9215  
Carrier  
NI 9161  
NI 9162  
NI 9162  
Software Support  
NI-DAQmx Base 2.2 and previous  
NI USB-9215A  
NI-DAQmx or NI-DAQmx Base 3.0 or later  
NI-DAQmx or NI-DAQmx Base 3.0 or later  
NI USB-9215A BNC  
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.  
Note For information about non-Windows operating system support, refer to  
ni.com/infoand enter BaseGSGML.  
Note If your device uses NI-DAQmx Base, refer to ni.comto download the software.  
Installing Other Software  
If you are using other software, refer to the installation instructions 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-9215 Series. Refer to the  
NI-DAQmx for USB Devices Getting Started Guide that shipped with your  
NI USB-9215 Series User Guide and Specifications  
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device, and is also accessible from Start»All Programs»National  
Instruments»NI-DAQ, for more information.  
The NI-DAQmx Base software ships with example programs you can use  
to get started programming with the NI USB-9215 Series. Refer to the  
NI-DAQmx Base Getting Started Guide that shipped with your device, and  
is also accessible from Start»All Programs»National Instruments»  
NI-DAQmx Base»Documentation, for more information.  
Installing the NI USB-9215 Series Device  
Before installing the device, you must install the software you plan to use  
with the device. Refer to the Related Documentation section of this guide  
and the documentation included with the software for more information.  
Installing the NI 9215 in the NI USB-9161/9162 Carrier  
The NI 9215 module and NI USB-9161/9162 carrier are packaged  
separately. Refer to Figures 4 and 5 while completing the following  
assembly steps:  
1. Make sure that no signals are connected to the NI 9215 module.  
2. Remove the protective cover from the 15-pin D-SUB connector.  
3. Align the I/O module with the carrier, as shown in Figure 4.  
1
1
High Voltage Screw Terminal Backshell  
Figure 4. Module Installation  
4. Squeeze the latches and insert the NI 9215 module into the carrier.  
5. Press firmly on the connector side of the NI 9215 module until the  
latches lock the module into place.  
© National Instruments Corporation  
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NI USB-9215 Series User Guide and Specifications  
 
Figure 5. Locking Module into Place  
Mounting the NI USB-9215 Series to a Panel  
Thread inserts are located in the NI USB-9215 Series for mounting it to a  
panel. Refer to Figure 6 for 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 6. NI USB-9215 Series Dimensions in Millimeters (Inches)  
Connecting the NI USB-9215 Series to a Computer  
Plug one end of the USB cable into the NI USB-9215 Series and the other  
end into an available USB port on the computer.  
NI USB-9215 Series User Guide and Specifications  
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ni.com  
   
LED Indicator  
The NI USB-9215 Series device has a green LED next to the USB  
connector. The LED indicator indicates device status, as listed in Table 2.  
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 the LED is not blinking, it may mean that the device is not initialized or  
the computer is in standby mode. In order for the device to be recognized,  
the device must be connected to a computer that has NI-DAQmx or  
NI-DAQmx Base installed on it. If your device is not blinking, make sure  
your computer has the latest version of NI-DAQmx or NI-DAQmx Base  
installed on it, and the computer is not in standby mode.  
Table 2. LED State/Device Status  
LED State  
Not lit  
Device Status  
Device not connected or in suspend.  
Device connected, but no module installed.  
Operating normally.  
On, not blinking  
Single-blink  
Double-blink  
NI USB-9215A only—Connected to USB  
Full-Speed port. Device performance might  
be affected. Refer to the Specifications  
section for more information.  
Quadruple-blink  
Device error. Refer to ni.com/support.  
Wiring the NI USB-9215 Series Device  
The NI USB-9215 Series provides connections for four differential analog  
input channels. The NI USB-9215A with BNC has four BNC connectors.  
Caution A high voltage screw terminal backshell must be installed when using hazardous  
voltages (>42.4 Vpk, 60 VDC) with the NI USB-9215 Series.  
Note The NI 9932 10-terminal, detachable, high voltage, screw-terminal backshell  
accessory works with the NI USB-9215 Series and is available from ni.com. For more  
information about installing the backshell, refer to the Assembling the High Voltage Screw  
Terminal Backshell section.  
© National Instruments Corporation  
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NI USB-9215 Series User Guide and Specifications  
 
Each channel of the NI USB-9215 Series has a terminal or center pin to  
which you can connect the positive voltage signal, AI+, and a terminal or  
shield to which you can connect the negative voltage signal, AI–. The  
NI USB-9215 with screw terminal also has a common terminal, COM, that  
is internally connected to the isolated ground reference of the module.  
Refer to Table 3 for the terminal assignments of the NI USB-9215 with  
screw terminal. Refer to Figure 7 for the pin assignments of the  
NI USB-9215A with BNC.  
Table 3. Terminal Assignments  
Module  
Terminal  
Signal  
AI0+  
0
1
2
3
4
5
6
7
8
9
AI0–  
AI1+  
0
AI1–  
1
2
AI2+  
3
4
5
AI2–  
6
AI3+  
7
8
9
AI3–  
No Connection  
Common (COM)  
NI USB-9215 Series User Guide and Specifications  
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ni.com  
 
AI0+  
AI0–  
AI1+  
AI1–  
AI2+  
AI2–  
AI3+  
AI3–  
Figure 7. BNC Connector Assignments  
Connecting Differential Voltage Signals to the  
NI USB-9215 Series  
For grounded differential signals, connect the positive voltage signal to  
AI+ and the negative signal to AI–. For the NI USB-9215 with screw  
terminal, connect the signal reference to the COM terminal.  
AI+  
Voltage  
Source  
+
NI USB-9215 with  
Screw Terminal  
AI–  
COM  
Figure 8. Connecting a Grounded Differential Voltage Signal to the NI USB-9215  
(NI USB-9215 with Screw Terminal Shown)  
For floating differential signals, the voltage source may go outside of the  
common-mode signal range of the NI USB-9215 with screw terminal. If the  
voltage source is outside of the common-mode range, data read by the  
NI USB-9215 is not accurate. To keep the voltage source within the  
common-mode range, connect the negative lead of the signal to COM  
through a 1 MΩ resistor, as shown in Figure 9. The NI USB-9215A with  
© National Instruments Corporation  
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NI USB-9215 Series User Guide and Specifications  
 
BNC has internal circuitry that keeps the voltage source within the  
common-mode range.  
AI+  
Voltage  
Source  
+
NI USB-9215  
with Screw Terminal  
AI–  
Resistor  
COM  
Figure 9. Connecting a Floating Differential Voltage Signal  
(NI USB-9215 with Screw Terminal Shown)  
Connecting Single-Ended Voltage Signals to the  
NI USB-9215 Series  
Connect the positive voltage signal to AI+. Connect the ground signal to  
AI–. For the NI USB-9215 with screw terminal, you must also connect the  
ground signal to the COM terminal to keep the common-mode voltage in  
the specified range. For more information about the common-mode voltage  
range, refer to the Specifications section.  
AI+  
Voltage  
Source  
+
NI USB-9215 with  
Screw Terminal  
AI–  
COM  
Figure 10. Connecting a Single-Ended Voltage Signal to the NI USB-9215  
(NI USB-9215 with Screw Terminal Shown)  
NI USB-9215 Series User Guide and Specifications  
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ni.com  
 
Assembling the High Voltage Screw Terminal Backshell  
The high voltage screw terminal backshell must be installed when using  
hazardous voltages (>42.4 Vpk, 60 VDC). Refer to Figure 11 while  
completing the following steps to assemble the backshell:  
1. Connect the leads to the screw terminal and secure with the strain  
relief.  
2. Finish by snapping the backshell around the connector.  
1
1
Strain Relief  
Figure 11. High Voltage Screw Terminal Backshell  
Figure 12. Assembled High Voltage Screw Terminal Backshell  
© National Instruments Corporation  
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NI USB-9215 Series User Guide and Specifications  
   
NI USB-9215 Series Circuitry  
The NI USB-9215 Series channels share a common ground. The  
NI USB-9215 protects each channel from overvoltages. For more  
information about overvoltage protection, refer to the Specifications  
section. The signal is buffered and conditioned by the instrumentation  
amplifier and is then sampled by a 16-bit ADC. The channels have  
independent track-and-hold amplifiers that allow you to sample all  
four channels simultaneously.  
Overvoltage  
Protection  
AI+  
AI–  
+
Isolated  
ADC  
Overvoltage  
Protection  
COM  
NI USB-9215 with Screw Terminal  
Figure 13. Input Circuitry for One Channel on the NI USB-9215 with Screw Terminal  
The NI USB-9215A with BNC has a resistor that ensures the input voltage  
does not drift outside of the common-mode range.  
AI+  
Overvoltage  
+
Protection  
Isolated  
ADC  
Overvoltage  
Protection  
Instrumentation  
Amplifier  
AI–  
NI USB-9215A with BNC  
Figure 14. Input Circuitry for One Channel on the NI USB-9215A with BNC  
NI USB-9215 Series User Guide and Specifications  
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ni.com  
Specifications  
The following specifications are typical for the range 0 to 60 °C  
unless otherwise noted. All voltages are relative to COM unless otherwise  
noted.  
Input Characteristics  
Number of channels ............................... 4 analog input channels  
ADC resolution ...................................... 16 bits  
Type of ADC.......................................... Successive approximation  
register (SAR)  
Max sampling rate1  
NI USB-9215  
Highest Channel Number  
In Task  
Maximum Sample Rate  
20 kS/sec  
0
1
2
3
10 kS/sec  
6.67 kS/sec  
5 kS/sec  
NI USB-9215A2.............................. 100 kS/s (per channel)  
NI USB-9215A with BNC2............. 100 kS/s (per channel)  
Operating voltage range (AI+ to AI–)  
Typical ............................................ 10 V (not software selectable)  
Maximum working voltage (signal + common mode)  
With screw terminal........................ Each channel must remain within  
10.2 V of common  
With BNC ....................................... All inputs must remain within  
10.2 V of the average AI– inputs  
Overvoltage protection........................... 30 V  
1
2
Might be system dependent.  
Full performance requires the use of a USB 2.0 Hi-Speed host controller and USB 2.0 hubs.  
© National Instruments Corporation  
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NI USB-9215 Series User Guide and Specifications  
 
Conversion time  
Channel 0 only.................................4.4 μs  
Channels 0 and 1 .............................6 μs  
Channels 0, 1, and 2 ........................8 μs  
Channels 0, 1, 2, and 3 ....................10 μs  
Accuracy  
Percent of  
Reading  
(Gain Error)  
Percent of  
Range (Offset  
Error)*  
Error  
Calibrated max (0 to 60 °C)  
Calibrated typ (25 °C, 5 °C)  
Uncalibrated max (0 to 60 °C)  
0.2%  
0.02%  
1.05%  
0.6%  
0.082%  
0.014%  
0.82%  
0.38%  
Uncalibrated typ (25 °C, 5 °C)  
* Range equals 10.4 V.  
Stability  
Offset drift .......................................60 μV/°C  
Gain drift .........................................10 ppm/°C  
CMRR (at 60 Hz) ...................................–73 dB min  
Input bandwidth (–3 dB).........................420 kHz min  
Input impedance  
Resistance  
With screw terminal .................1 GΩ  
With BNC (between any  
two AI– terminals) ...................200 kΩ  
Capacitance......................................25 pF  
Input bias current....................................10 nA  
Input noise  
RMS.................................................1.2 LSBrms  
Peak-to-peak....................................7 LSB  
Crosstalk .................................................–80 dB  
NI USB-9215 Series User Guide and Specifications  
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Settling time (to 2 LSBs)  
With screw terminal  
10 V step.................................. 10 μs  
20 V step.................................. 15 μs  
With BNC  
10 V step.................................. 25 μs  
20 V step.................................. 35 μs  
No missing codes ................................... 15 bits guaranteed  
DNL ....................................................... –1.9 to 2 LSB max  
INL......................................................... 6 LSB max  
Power Requirements  
Power consumption from USB .............. 500 mA, max  
Suspend mode................................. 2.5 mA, max  
Bus Interface  
USB specifications  
NI USB-9215 .................................. USB 2.0 Full-Speed  
NI USB-9215A ............................... USB 2.0 Hi-Speed  
NI USB-9215A BNC...................... USB 2.0 Hi-Speed  
Physical Characteristics  
Dimensions  
With combicon................................ 14.0 cm × 8.8 cm × 2.5 cm  
(5.52 in. × 3.47 in. × 1.00 in.)  
With BNC ....................................... 14.2 cm × 8.8 cm × 2.5 cm  
(5.54 in. × 3.47 in. × 1.00 in.)  
Screw terminal wiring............................ 12 to 24 AWG copper conductor  
wire with 10 mm (0.39 in.) of  
insulation stripped from the end  
Torque for screw terminals .................... 0.5–0.6 N · m (4.4–5.3 lb · in.)  
Weight  
With screw terminal........................ Approx. 250 g (8.8 oz)  
With BNC ....................................... Approx. 275 g (9.6 oz)  
© National Instruments Corporation  
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NI USB-9215 Series User Guide and Specifications  
Safety  
If you need to clean the module, wipe it with a dry towel.  
Safety Voltages  
NI USB-9215 with Screw Terminal Safety Voltages  
Connect only voltages that are within these limits.  
Channel-to-COM.................................... 30 V max  
Isolation  
Channel-to-channel..........................No isolation between channels  
Channel-to-earth ground  
Withstand .................................2,300 Vrms, 5 seconds max  
Continuous ...............................250 Vrms  
,
Measurement Category II  
Measurement Category II is for measurements performed on circuits  
directly connected to the electrical distribution system. This category refers  
to local-level electrical distribution, such as that provided by a standard  
wall outlet (for example, 115 V for U.S. or 230 V for Europe). Do not use  
this module with Measurement Category III or IV voltages.  
NI USB-9215A with BNC Safety Voltages  
Connect only voltages that are within these limits.  
AI+-to-AI–.............................................. 30 V max  
Isolation  
Channel-to-channel..........................No isolation between channels  
Channel-to-earth ground  
Withstand .................................1,500 Vrms, 5 seconds max  
Continuous ...............................60 VDC,  
Measurement Category I  
Measurement Category I is for measurements performed on circuits not  
directly connected to the electrical distribution system referred to as  
MAINS voltage. MAINS is a hazardous live electrical supply system that  
powers equipment. This category is for measurements of voltages from  
specially protected secondary circuits. Such voltage measurements include  
signal levels, special equipment, limited-energy parts of equipment,  
circuits powered by regulated low-voltage sources, and electronics. Do not  
use this module with Measurement Category II, III, or IV voltages.  
NI USB-9215 Series User Guide and Specifications  
20  
ni.com  
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 61010-1  
Note For UL and other safety certifications, refer to the product label or visit  
ni.com/certification, search by model number or product line, and click the  
appropriate link in the Certification column.  
Hazardous Locations  
The NI USB-9215 is not certified for use in hazardous locations.  
Environmental  
The NI USB-9215 Series is intended for indoor use only.  
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 humidity  
(IEC 60068-2-56)................................... 5 to 95% RH, noncondensing  
Maximum altitude.................................. 2,000 m  
Pollution Degree (IEC 60664) ............... 2  
Electromagnetic Compatibility  
The NI USB-9215 Series is designed to meet the requirements of the  
following standards of EMC for electrical equipment for measurement,  
control, and laboratory use:  
EN 61326 EMC requirements; Minimum Immunity  
EN 55011 Emissions; Group 1, Class A  
CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A  
Note For EMC compliance, operate this device with double-shielded cables.  
© National Instruments Corporation  
21  
NI USB-9215 Series User Guide and Specifications  
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 Refer to the Declaration of Conformity (DoC) for this product for any additional  
regulatory compliance information. To obtain the DoC for this product, visit  
ni.com/certification, search by model number or product line, and click the  
appropriate link in the Certification column.  
Environmental Management  
National Instruments is committed to designing and manufacturing  
products in an environmentally responsible manner. NI recognizes that  
eliminating certain hazardous 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/environment. This page contains the  
environmental regulations and directives with which NI complies, as well  
as other environmental information not included in this document.  
Waste Electrical and Electronic Equipment (WEEE)  
EU Customers At the end of their life cycle, all products must be sent to a WEEE recycling  
center. For more information about WEEE recycling centers and National Instruments  
WEEE initiatives, visit ni.com/environment/weee.htm.  
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National Instruments  
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RoHS  
ni.com/environment/rohs_china  
(For information about China RoHS compliance, go to  
.)  
Calibration  
You can obtain the calibration certificate for the NI USB-9215 Series at  
ni.com/calibration.  
Calibration interval.................................1 year  
NI USB-9215 Series User Guide and Specifications  
22  
ni.com  
Where to Go for Support  
The National Instruments Web site is your complete resource for technical  
support. At ni.com/supportyou have access to everything from  
troubleshooting and application development self-help resources to email  
and phone assistance from NI Application Engineers.  
National Instruments corporate headquarters is located at  
11500 North Mopac Expressway, Austin, Texas, 78759-3504.  
National 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/supportand follow the calling  
instructions or dial 512 795 8248. For telephone support outside the United  
States, contact your local branch office:  
Australia 1800 300 800, Austria 43 662 457990-0,  
Belgium 32 (0) 2 757 0020, Brazil 55 11 3262 3599,  
Canada 800 433 3488, China 86 21 5050 9800,  
Czech Republic 420 224 235 774, Denmark 45 45 76 26 00,  
Finland 358 (0) 9 725 72511, France 01 57 66 24 24,  
Germany 49 89 7413130, India 91 80 41190000, Israel 972 3 6393737,  
Italy 39 02 41309277, Japan 0120-527196, Korea 82 02 3451 3400,  
Lebanon 961 (0) 1 33 28 28, Malaysia 1800 887710,  
Mexico 01 800 010 0793, Netherlands 31 (0) 348 433 466,  
New Zealand 0800 553 322, Norway 47 (0) 66 90 76 60,  
Poland 48 22 3390150,Portugal 351 210 311 210,Russia 7 495 783 6851,  
Singapore 1800 226 5886, Slovenia 386 3 425 42 00,  
South Africa 27 0 11 805 8197, Spain 34 91 640 0085,  
Sweden 46 (0) 8 587 895 00, Switzerland 41 56 2005151,  
Taiwan 886 02 2377 2222, Thailand 662 278 6777,  
Turkey 90 212 279 3031, United Kingdom 44 (0) 1635 523545  
National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation.  
Refer to the Terms of Use section on ni.com/legalfor more information about National  
Instruments trademarks. Other product and company names mentioned herein are trademarks or trade  
names of their respective companies. For patents covering National Instruments products, refer to the  
appropriate location: Help»Patents in your software, the patents.txtfile on your CD, or  
ni.com/patents.  
© 2005–2007 National Instruments Corporation. All rights reserved.  
371568E-01  
Dec07  

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