National Instruments Network Card NI 9215 User Manual

ONPIER9AT2IN1G5INSTRUCTIONS AND SPECIFICATIONS  
4-Channel, 10 V, 16-Bit Simultaneous Analog  
Input Module  
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Hot Surface This icon denotes that the component may be  
hot. Touching this component may result in bodily injury.  
Safety Guidelines for Hazardous Voltages  
You can connect hazardous voltages only to the NI 9215 with  
screw terminal. Do not connect hazardous voltages to the NI 9215  
with BNC.  
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 hazardous voltage  
LIVE (>42.4 Vpk/60 VDC), you must ensure that devices  
© National Instruments Corp.  
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NI 9215 Operating Instructions and Specifications  
 
and circuits connected to the module are properly  
insulated from human contact. You must use the NI 9932  
connector backshell kit to ensure that the terminals are  
not accessible.  
Figure 1 shows the NI 9932 connector backshell.  
Note You can use the NI 9932 connector backshell only  
with the NI 9215 with screw terminal.  
Figure 1. NI 9932 Connector Backshell  
NI 9215 Operating Instructions and Specifications  
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Safety Guidelines for Hazardous Locations  
The NI 9215 is suitable for use in Class I, Division 2, Groups A, B,  
C, D, and T4 hazardous locations; Class I, Zone 2, AEx nC IIC T4  
and Ex nC IIC T4 hazardous locations; and nonhazardous locations  
only. Follow these guidelines if you are installing the NI 9215 in a  
potentially explosive environment. Not following these guidelines  
may result in serious injury or death.  
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 Substitution of components may impair  
suitability for Class I, Division 2.  
Caution For Zone 2 applications, install the system  
in an enclosure rated to at least IP 54 as defined by  
IEC 60529 and EN 60529.  
© National Instruments Corp.  
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NI 9215 Operating Instructions and Specifications  
 
Caution For Zone 2 applications, connected signals must  
be within the following limit:  
Capacitance..........................0.2 μF max  
Special Conditions for Hazardous Locations Use in Europe  
This equipment has been evaluated as EEx nC IIC T4 equipment  
under DEMKO Certificate No. 03 ATEX 0324020X. Each module  
is marked  
II 3G and is suitable for use in Zone 2 hazardous  
locations. If you are using the NI 9215 in Gas Group IIC hazardous  
locations or in ambient temperatures of –40 °C Ta 70 °C, you  
must use the device in an NI chassis that has been evaluated as  
Ex nA IIC T4 equipment.  
Special Conditions for Marine Applications  
Some modules are Lloyd’s Register (LR) Type Approved for  
marine applications. To verify Lloyd’s Register certification, go  
to ni.com/certification and search for the LR certificate,  
or look for the Lloyd’s Register mark on the module.  
NI 9215 Operating Instructions and Specifications  
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ni.com  
 
Caution To meet radio frequency emission requirements  
for marine applications, use shielded cables and install  
the system in a metal enclosure. Suppression ferrites  
must be installed on power supply inputs near power  
entries to modules and controllers. Power supply and  
module cables must be separated on opposite sides of  
the enclosure, and must enter and exit through opposing  
enclosure walls.  
© National Instruments Corp.  
7
NI 9215 Operating Instructions and Specifications  
 
Connecting the NI 9215  
The NI 9215 provides connections for four differential analog  
input channels.  
AI0+  
AI0–  
AI1+  
AI1–  
AI2+  
AI2–  
AI3+  
AI3–  
NC  
0
1
2
3
4
5
6
7
8
9
COM  
Figure 2. Terminal Assignments of the NI 9215 with Screw Terminal  
NI 9215 Operating Instructions and Specifications  
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AI0+  
AI0–  
AI1+  
AI1–  
AI2+  
AI2–  
AI3+  
AI3–  
Figure 3. Connector Assignments of the NI 9215 with BNC  
© National Instruments Corp.  
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NI 9215 Operating Instructions and Specifications  
 
The NI 9215 with screw terminal has a 10-terminal detachable  
screw-terminal connector. The NI 9215 with BNC has four BNC  
connectors.  
Each channel of the NI 9215 has an AI+ terminal or shield to which  
you can connect the positive voltage signal, and an AI– terminal or  
shield to which you can connect the negative voltage signal. The  
NI 9215 with screw terminal also has a common terminal, COM,  
that is internally connected to the isolated ground reference of the  
module.  
Note You must use 2-wire ferrules to create a secure  
connection when connecting more than one wire to a  
single terminal on the NI 9215 with screw terminal.  
NI 9215 Operating Instructions and Specifications  
10  
ni.com  
 
Connecting Differential Voltage Signals to the NI 9215  
You can connect grounded or floating differential signals to the  
NI 9215. Connect the positive voltage signal to AI+ and the  
negative voltage signal to AI–. To connect grounded differential  
signals to the NI 9215 with screw terminal, you must also connect  
the signal reference to the COM terminal, as shown in Figure 4.  
AI+  
+
Voltage  
Source  
AI–  
NI 9215 with  
Screw Terminal  
COM  
Figure 4. Connecting a Grounded Differential Voltage Signal to  
the NI 9215 with Screw Terminal  
© National Instruments Corp.  
11 NI 9215 Operating Instructions and Specifications  
 
 
To connect floating differential signals to the NI 9215 with screw  
terminal, you must connect the negative lead of the signal to COM  
through a 1 MΩ resistor to keep the voltage source within the  
common-mode voltage range, as shown in Figure 5. If the voltage  
source is outside of the common-mode range, then the NI 9215  
does not read data accurately. The NI 9215 with BNC has internal  
circuitry that keeps the voltage source within the common-mode  
range. For more information about the common-mode voltage  
range, refer to the Specifications section.  
AI+  
+
Voltage  
Source  
AI–  
1 MΩ  
Resistor  
NI 9215 with  
Screw Terminal  
COM  
Figure 5. Connecting a Floating Differential Voltage Signal to the  
NI 9215 with Screw Terminal  
NI 9215 Operating Instructions and Specifications  
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ni.com  
 
 
Connecting Single-Ended Voltage Signals to the  
NI 9215  
To connect single-ended voltage signals to the NI 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,  
as shown in Figure 6. For more information about the  
common-mode voltage range, refer to the Specifications section.  
AI+  
+
Voltage  
Source  
AI–  
NI 9215 with  
Screw Terminal  
COM  
Figure 6. Connecting a Single-Ended Voltage Signal to the  
NI 9215 with Screw Terminal  
© National Instruments Corp.  
13 NI 9215 Operating Instructions and Specifications  
 
 
Wiring for High Vibration Applications  
If an application using the NI 9215 with screw terminal is subject  
to high vibration, National Instruments recommends that you  
either use ferrules to terminate wires to the detachable  
screw-terminal connector or use the NI 9932 backshell kit to  
protect the connections. Refer to Figure 7 for an illustration of  
using ferrules. Refer to Figure 1 for an illustration of the NI 9932  
connector backshell.  
Figure 7. 10-Terminal Detachable Screw-Terminal Connector with a Ferrule  
NI 9215 Operating Instructions and Specifications  
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NI 9215 Circuitry  
The NI 9215 channels share a common ground that is isolated from  
other modules in the system. The NI 9215 protects each channel  
from overvoltages. For more information about overvoltage  
protection, refer to the Specifications section. The incoming analog  
signal on each channel 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. Refer to  
Figures 8 and 9 for input circuitry illustrations of the NI 9215 with  
screw terminal and the NI 9215 with BNC.  
© National Instruments Corp.  
15 NI 9215 Operating Instructions and Specifications  
 
Overvoltage  
Protection  
AI  
+
+
Isolated  
ADC  
Overvoltage  
Protection  
AI  
Instrumentation  
Amplifier  
COM  
NI 9215 with Screw Terminal  
Figure 8. Input Circuitry for One Channel on the NI 9215 with Screw Terminal  
NI 9215 Operating Instructions and Specifications  
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The NI 9215 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  
100 kΩ  
AI–  
NI 9215 with BNC  
Figure 9. Input Circuitry for One Channel on the NI 9215 with BNC  
© National Instruments Corp.  
17 NI 9215 Operating Instructions and Specifications  
 
 
Sleep Mode  
This module supports a low-power sleep mode. Support for sleep  
mode at the system level depends on the chassis that the module is  
plugged into. Refer to the chassis manual for information about  
support for sleep mode. If the chassis supports sleep mode, refer to  
the software help for information about enabling sleep mode. Visit  
ni.com/info and enter cseriesdoc for information about C  
Series documentation.  
Typically, when a system is in sleep mode, you cannot  
communicate with the modules. In sleep mode, the system  
consumes minimal power and may dissipate less heat than it does  
in normal mode. Refer to the Specifications section for more  
information about power consumption and thermal dissipation.  
NI 9215 Operating Instructions and Specifications  
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Specifications  
The following specifications are typical for the range –40 to 70 °C  
unless otherwise noted.  
Input Characteristics  
Number of channels..........................4 analog input channels  
ADC resolution.................................16 bits  
Type of ADC.....................................Successive approximation  
register (SAR)  
Input range........................................ 10.0 V  
© National Instruments Corp.  
19 NI 9215 Operating Instructions and Specifications  
 
 
Input voltage ranges1  
Measurement Voltage,  
Maximum Voltage  
(Signal + Common Mode)  
AI+ to AI–  
Minimum* Typical Maximum  
Screw  
Terminal  
(V)  
(V)  
(V)  
BNC  
10.2  
10.4  
10.6  
Each channel All inputs  
must remain  
within  
10.2 V of  
common.  
must remain  
within 10.2 V  
of the average  
AIinputs.  
* The minimum measurement voltage range is the largest voltage the NI 9215 is  
guaranteed to accurately measure.  
1
Refer to the Safety Guidelines section for more information about safe operating  
voltages.  
NI 9215 Operating Instructions and Specifications  
20  
ni.com  
 
Overvoltage protection ..................... 30 V  
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) (Offset Error)  
Percent of  
Range*  
Measurement Conditions  
Calibrated, max (–40 to 70 °C)  
Calibrated, typ (25 °C, 5 °C)  
Uncalibrated, max (–40 to 70 °C)  
Uncalibrated, typ (25 °C, 5 °C)  
* Range equals 10.4 V  
0.2%  
0.02%  
1.05%  
0.6%  
0.082%  
0.014%  
0.82%  
0.38%  
Stability  
Gain drift ....................................10 ppm/ºC  
Offset drift ..................................60 μV/ºC  
© National Instruments Corp.  
21 NI 9215 Operating Instructions and Specifications  
 
CMRR (fin = 60 Hz) ..........................73 dB min  
Input bandwidth (–3 dB)...................420 kHz min  
Input impedance  
Resistance  
NI 9215 with  
screw terminal......................1 GΩ  
NI 9215 with BNC  
(Between any two  
AI– terminals)......................200 kΩ  
Input bias current..............................10 nA  
Input noise  
RMS ...........................................1.2 LSBrms  
Peak-to-peak...............................7 LSB  
Crosstalk ...........................................80 dB  
Settling time (to 2 LSBs)  
NI 9215 with screw terminal  
10 V step ..............................10 μs  
20 V step ..............................15 μs  
NI 9215 Operating Instructions and Specifications  
22  
ni.com  
 
NI 9215 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  
MTBF ...............................................1,167,174 hours at 25 °C;  
Bellcore Issue 6, Method 1,  
Case 3, Limited Part Stress  
Method  
Note Contact NI for Bellcore MTBF specifications  
at other temperatures or for MIL-HDBK-217F  
specifications.  
Power Requirements  
Power consumption from chassis (full-scale input, 100 kS/s)  
Active mode ...............................560 mW max  
Sleep mode .................................25 μW max  
© National Instruments Corp.  
23 NI 9215 Operating Instructions and Specifications  
 
Thermal dissipation (at 70 °C)  
Active mode ...............................560 mW max  
Sleep mode .................................25 μW max  
Physical Characteristics  
If you need to clean the module, wipe it with a dry towel.  
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 to 0.6 N · m  
(4.4 to 5.3 lb · in.)  
Ferrules .............................................0.25 mm2 to 2.5 mm2  
Weight  
NI 9215 with  
screw terminal ............................150 g (5.3 oz)  
NI 9215 with BNC .....................173 g (6.1 oz)  
NI 9215 Operating Instructions and Specifications  
24  
ni.com  
 
Safety  
NI 9215 with Screw Terminal Safety Voltages  
Connect only voltages that are within the following limits.  
Channel-to-COM.............................. 30 V max  
Isolation  
Channel-to-channel ....................No isolation between  
channels  
Channel-to-earth ground  
Continuous...........................250 Vrms  
,
Measurement Category II  
Withstand .............................2,300 Vrms, verified by a  
5 s dielectric withstand test  
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.  
© National Instruments Corp.  
25 NI 9215 Operating Instructions and Specifications  
 
Caution Do not connect the NI 9215 with screw terminal  
to signals or use for measurements within Measurement  
Categories III or IV.  
NI 9215 with BNC Safety Voltages  
Connect only voltages that are within the following limits.  
AI+-to-AI–........................................ 30 V max  
Isolation  
Channel-to-channel ....................No isolation between  
channels  
Channel-to-earth ground  
Continuous...........................60 VDC,  
Measurement Category I  
Withstand .............................1,500 Vrms, verified by a  
5 s dielectric withstand test  
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  
NI 9215 Operating Instructions and Specifications  
26  
ni.com  
 
equipment, limited-energy parts of equipment, circuits powered by  
regulated low-voltage sources, and electronics.  
Caution Do not connect the NI 9215 with BNC to signals  
or use for measurements within Measurement  
Categories II, III, or IV.  
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 module number or product line, and click the  
appropriate link in the Certification column.  
© National Instruments Corp.  
27 NI 9215 Operating Instructions and Specifications  
 
Hazardous Locations  
U.S. (UL) ..........................................Class I, Division 2,  
Groups A, B, C, D, T4;  
Class I, Zone 2,  
AEx nC IIC T4  
Canada (C-UL) .................................Class I, Division 2,  
Groups A, B, C, D, T4;  
Class I, Zone 2,  
Ex nC IIC T4  
Europe (DEMKO).............................EEx nC IIC T4  
Environmental  
National Instruments C Series modules are intended for indoor use  
only but may be used outdoors if installed in a suitable enclosure.  
Refer to the manual for the chassis you are using for more  
information about meeting these specifications.  
Operating temperature  
(IEC 60068-2-1, IEC 60068-2-2) .....40 to 70 °C  
Storage temperature  
(IEC 60068-2-1, IEC 60068-2-2) .....40 to 85 °C  
Ingress protection..............................IP 40  
NI 9215 Operating Instructions and Specifications  
28  
ni.com  
 
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  
Shock and Vibration  
To meet these specifications, you must panel mount the system. If  
you are using the NI 9215 with screw terminal, you must also either  
affix ferrules to the ends of the terminal wires or use the NI 9932  
backshell kit to protect the connections.  
Operating vibration  
Random (IEC 60068-2-34).........5 grms, 10 to 500 Hz  
Sinusoidal (IEC 60068-2-6) .......5 g, 10 to 500 Hz  
Operating shock  
(IEC 60068-2-27)..............................30 g, 11 ms half sine,  
50 g, 3 ms half sine,  
18 shocks at 6 orientations  
© National Instruments Corp.  
29 NI 9215 Operating Instructions and Specifications  
 
Electromagnetic Compatibility  
This product 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; Industrial 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  
shielded cabling.  
CE Compliance  
This product meets the essential requirements of applicable  
European directives, as amended for CE markings, 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 9215 Operating Instructions and Specifications  
30  
ni.com  
 
ni.com/certification, search by module 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.  
© National Instruments Corp.  
31 NI 9215 Operating Instructions and Specifications  
 
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(RoHS)  
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ni.com/environment/rohs_chinaDŽ  
about China RoHS compliance, go to  
environment/rohs_china  
(For information  
ni.com/  
.)  
Calibration  
You can obtain the calibration certificate and information about  
calibration services for the NI 9215 at ni.com/calibration.  
Calibration interval ...........................1 year  
Where to Go for Support  
The National Instruments Web site is your complete resource for  
technical support. At ni.com/support you 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.  
NI 9215 Operating Instructions and Specifications  
32  
ni.com  
 
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/support  
and 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 413091, 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 Corp.  
33 NI 9215 Operating Instructions and Specifications  
 
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 respective companies.  
For patents covering National Instruments products, refer to the appropriate location: Help»Patents in your software,  
the patents.txt file on your CD, or ni.com/patents.  
© 2004–2007 National Instruments Corp. All rights reserved.  
373779E-01  
Dec07  
 

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