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 National Instruments Corporation

7

NI USB-9211/9211A User Guide and Specifications

Base»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

.

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/support

 or 

zone.ni.com

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Installing the Software

Software support for the NI USB-9211/9211A 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.

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/

info

 and enter 

BaseGSGML

.

Table 1.  

Devices and Corresponding Components

Device

Carrier

Software Support

NI USB-9211

NI USB-9161

NI-DAQmx Base 2.2 and previous

NI USB-9211A

NI USB-9162

NI-DAQmx or NI-DAQmx Base 3.0 and later

Summary of Contents for USB-9211

Page 1: ...ruments USB 9211 Manual Get Pricing Availability at ApexWaves com Call Today 1 800 915 6216 Email sales apexwaves com https www apexwaves com modular systems national instruments temperature input dev...

Page 2: ...11A data acquisition device provides a USB interface for four channels of 24 bit thermocouple inputs with integrated signal conditioning The NI USB 9211 consists of two components an NI 9211 module an...

Page 3: ...ystem may be limited Refer to the Specifications section 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...

Page 4: ...plication software package and driver includes information about writing applications for taking measurements and controlling measurement devices The following references to documents assume you have...

Page 5: ...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 inf...

Page 6: ...oject 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...

Page 7: ...vice 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 B...

Page 8: ...ort or zone ni com Installing the Software Software support for the NI USB 9211 9211A for Windows Vista XP 2000 is provided by NI DAQmx or NI DAQmx Base depending on the software you are using Softwar...

Page 9: ...ramming with the NI USB 9211 9211A 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 Docu...

Page 10: ...r as shown in Figure 3 Figure 3 Module Installation 4 Squeeze the latches and insert the NI 9211 module into the carrier 5 Press firmly on the connector side of the NI 9211 module until the latches lo...

Page 11: ...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...

Page 12: ...has a terminal to which you can connect the positive lead of the thermocouple TC and a terminal to which you can connect the negative lead of the thermocouple TC The NI USB 9211 9211A also has a commo...

Page 13: ...put Signal to the NI USB 9211 9211A Refer to Table 3 for the terminal assignments for each channel Table 3 Terminal Assignments Module Terminal Signal 0 TC0 1 TC0 2 TC1 3 TC1 4 TC2 5 TC2 6 TC3 7 TC3 8...

Page 14: ...be installed when using hazardous voltages 42 4 Vpk 60 VDC Refer to Figure 7 while completing the following steps to assemble the backshell 1 Connect the leads to the screw terminal and secure with th...

Page 15: ...re 9 produce an input impedance at the terminals of the NI USB 9211 9211A Figure 9 Input Circuitry for One Channel If thermocouples are connected to the NI USB 9211 9211A the gain and offset errors re...

Page 16: ...or more information Measurement Accuracy for the Different Types of Thermocouples Figures 10 11 12 13 and 14 show the typical and maximum errors for the different thermocouple types when used with the...

Page 17: ...1800 0 2 4 6 Max over Temp Range with Autozero Error C 1000 1400 Measured Temperature C Max at Room Temp Range without Autozero Typ over Temp Range with Autozero 200 0 200 400 600 800 1000 0 2 3 4 Err...

Page 18: ...00 600 800 1000 1200 0 1 2 3 4 Error C Measured Temperature C Max over Temp Range with Autozero Max at Room Temp Range without Autozero Typ over Temp Range with Autozero 200 0 200 400 600 800 1000 120...

Page 19: ...e accuracy between channels Minimizing Thermal Gradients Thermocouple wire can be a significant source of thermal gradients if it conducts heat or cold directly to terminal junctions To minimize these...

Page 20: ...ADC resolution 24 bits Type of ADC Delta sigma Input range 80 mV not software selectable Common mode range Channel to COM 1 5 V Common to earth ground 250 V Common mode rejection ratio 0 to 60 Hz Cha...

Page 21: ...r temperature Offset error with autozeroing 15 V typ 20 V max Gain error from source impedance 0 05 ppm per source impedance due to input impedance Offset error from source impedance 0 05 V typ 0 07 V...

Page 22: ...oltages that are within these limits Channel to COM 30 V max Measurement Category Measurement Category I is for measurements performed on circuits not directly connected to the electrical distribution...

Page 23: ...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 li...

Page 24: ...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 envi...

Page 25: ...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 St...

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