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National Instruments USB-9211 Manual

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Содержание USB-9211

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...

Страница 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...