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National Instruments NI 9211E, Инструкция по эксплуатации и технические характеристики

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National Instruments Corp.

7

NI 9211E Operating Instructions and Specifications

Figure 4.  

Input Circuitry for One Channel of the NI 9211E

TC+ 

TC– 

COM 

NI 9211E

Input 

Impedance 

Open 

Thermocouple

Detection 

Current

Filtered 

Differential 

Amplifier 

Isolated 

ADC 

10 M

Ω

10 M

Ω

Artisan Technology Group - Quality Instrumentation ... Guaranteed | (888) 88-SOURCE | www.artisantg.com

Содержание NI 9211E

Страница 1: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

Страница 2: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9211E 4 Channel Thermocouple Input Module Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 3: ... and programming the system refer to the system documentation Visit ni com info and enter cseriesdoc for information about C Series documentation Caution National Instruments makes no electromagnetic compatibility EMC or CE marking compliance claims for the NI 9211E The end product supplier is responsible for conformity to any and all compliance requirements Caution The NI 9211E must be installed ...

Страница 4: ...s NI 9211E Dimensions The following figure shows the dimensions of the NI 9211E Figure 1 NI 9211E Dimensions in Millimeters Inches 73 4 2 89 0 0 0 00 26 7 1 05 58 4 2 30 66 0 2 60 0 0 0 00 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 5: ... has a 10 terminal detachable screw terminal connector that provides connections for 4 thermocouple channels Figure 2 NI 9211E Terminal Assignments TC0 TC0 TC1 TC1 TC2 TC2 TC3 TC3 NC COM 0 1 2 3 4 5 6 7 8 9 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 6: ...hich is negative check the thermocouple documentation or the thermocouple wire spool If you are using shielded wiring connect one end of the shield to the COM terminal The COM terminal is internally connected to the isolated ground reference of the module Refer to Figure 3 for an illustration of a typical shielding configuration Figure 3 Connecting a Shielded Thermocouple Input Signal to the NI 92...

Страница 7: ...n thermocouple is connected to the channel the current source forces a full scale voltage across the terminals Refer to Figure 4 for an illustration of the circuitry for one channel of the NI 9211E Each channel has a resistor that produces an input impedance between the TC and COM terminals and between the TC and COM terminals The gain and offset errors resulting from the source impedance of conne...

Страница 8: ...ns Figure 4 Input Circuitry for One Channel of the NI 9211E TC TC COM NI 9211E Input Impedance Open Thermocouple Detection Current Filtered Differential Amplifier Isolated ADC 10 MΩ 10 MΩ Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 9: ... keep temperature gradients across NI 9211E terminals to a minimum Refer to the Minimizing Thermal Gradients section for more information Cold Junction Temperature Measurement Accuracy Heat dissipated by adjacent modules or other nearby heat sources can cause errors in thermocouple measurements by heating up the NI 9211E terminals to a different temperature than the cold junction compensation sens...

Страница 10: ...bient air temperature near the front connector or by the thermocouple wire if it conducts heat or cold directly to the terminal junctions For the best accuracy results follow these guidelines for minimizing thermal gradients Use small gauge thermocouple wire Smaller wire transfers less heat to or from the terminal junction Run thermocouple wiring together near the screw terminal connector to keep ...

Страница 11: ...set error If the ambient temperature of the NI 9211E is less than 15 C or more than 35 C use this channel to read the offset error Subtract the offset error from the data read from each NI 9211E thermocouple input channel Refer to the software help for information about using the autozero channel Visit ni com info and enter cseriesdoc for information about C Series documentation Artisan Technology...

Страница 12: ...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 ...

Страница 13: ...nt in the system and installed accessories Input Characteristics Number of channels 4 thermocouple channels 1 internal autozero channel 1 internal cold junction compensation channel ADC resolution 24 bits Type of ADC Delta Sigma Sampling mode Scanned Voltage measurement range 80 mV Temperature measurement ranges Works over temperature ranges defined by NIST J K T E N B R S thermocouple types Artis...

Страница 14: ...Channel to COM 1 5 V COM to earth ground 250 V Common mode rejection ratio 0 to 60 Hz Channel to COM 95 dB COM to earth ground 170 dB Input bandwidth 3 dB 15 Hz Noise rejection at 50 and 60 Hz 85 dB min Overvoltage protection 30 V between any input and COM Differential input impedance 20 MΩ Input current 50 nA Input noise 1 μVrms Artisan Technology Group Quality Instrumentation Guaranteed 888 88 S...

Страница 15: ...source impedance 50 Ω Offset error from source impedance Add 0 05 μV typ 0 07 μV max per Ω when source impedance 50 Ω Cold junction compensation sensor accuracy1 0 to 85 C 0 6 C typ 1 3 C max 40 to 85 C 1 7 C max 1 The maximum errors assume an isothermal error of 1 0 C Refer to the Cold Junction Temperature Measurement Accuracy section for more information Artisan Technology Group Quality Instrume...

Страница 16: ...ications Temperature Measurement Accuracy Measurement sensitivity1 With autozero channel on Types J K T E N 0 07 C Types B 0 25 C Types R S 0 60 C 1 Measurement sensitivity represents the smallest change in temperature that a sensor can detect It is a function of noise The values assume the full measurement range of the standard thermocouple sensor according to ASTM E230 87 Artisan Technology Grou...

Страница 17: ...r the thermocouple types with the NI 9211E at room temperature which is 15 to 35 C The figures account for gain errors offset errors differential and integral nonlinearity quantization errors noise errors and isothermal errors The figures do not account for the accuracy of the thermocouple itself 1 The maximum errors assume an isothermal error of 1 0 C Refer to the Cold Junction Temperature Measur...

Страница 18: ... Thermocouple Type J and N Errors 200 0 200 400 600 800 1000 1200 0 1 2 3 4 Max Autozero on 40 to 85 C Max Autozero off room temp Typ Autozero on 40 to 85 C Measurement Error C Measured Temperature C Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 19: ...couple Type K Errors 200 0 200 400 600 800 1000 1200 0 1 2 3 4 Measurement Error C Measured Temperature C Max Autozero on 40 to 85 C Max Autozero off room temp Typ Autozero on 40 to 85 C Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 20: ... 7 Thermocouple Type T and E Errors 200 0 200 400 600 800 1000 0 2 3 4 Measurement Error C Measured Temperature C 1 Max Autozero on 40 to 85 C Max Autozero off room temp Typ Autozero on 40 to 85 C Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 21: ...le Type B Errors 200 400 600 800 1200 1600 1800 0 2 4 6 Measurement Error C 1000 1400 Measured Temperature C Max Autozero on 40 to 85 C Max Autozero off room temp Typ Autozero on 40 to 85 C Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 22: ...rmocouple Type R and S Errors 200 0 200 400 600 800 1000 1200 0 2 4 6 Measurement Error C 1400 1600 Measured Temperature C Max Autozero on 40 to 85 C Max Autozero off room temp Typ Autozero on 40 to 85 C Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 23: ... velocity stream of air to clean the module If needed use a soft bristle brush for cleaning around components Note For two dimensional drawings and three dimensional models of the C Series module and connectors visit ni com dimensions and search by module number Screw terminal wiring 12 to 24 AWG copper conductor wire with 7 mm 0 28 in of insulation stripped from the end Artisan Technology Group Q...

Страница 24: ...in the following limits Channel to COM 30 V max Isolation Channel to channel None Channel to earth ground Continuous 250 Vrms Measurement Category II Double insulation 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 Artisan Technology Group Quality Instrumenta...

Страница 25: ...ithin Measurement Categories III or IV Safety Standards This product meets the requirements of the following standards of safety for electrical equipment for measurement control and laboratory use when installed in a suitable enclosure 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 the Online Product Certification section Art...

Страница 26: ...uments 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 85 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 nonconden...

Страница 27: ...nt 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 the product life cycle all products must be sent to a WEEE recycling center For more information about WEEE recycling centers Nation...

Страница 28: ...r the NI 9211E at ni com calibration Calibration interval 1 year ᄤֵᙃѻક ᶧ ࠊㅵ ࡲ Ё RoHS Ё ᅶ National Instruments ヺড়Ё ᄤֵᙃ ѻકЁ䰤ࠊՓ ᶤѯ ᆇ 䋼ᣛҸ RoHS DŽ Ѣ National Instruments Ё RoHS ড়㾘ᗻֵᙃˈ䇋ⱏᔩ ni com environment rohs_chinaDŽ For information about China RoHS compliance go to ni com environment rohs_china Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 29: ... 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 C...

Страница 30: ... software the patents txt file on your media or the National Instruments Patent Notice at ni com patents 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 22 328 90 10 Portugal 351 210 311 210 Russia 7 495 783 6...

Страница 31: ...l service in house repair center WE BUY USED EQUIPMENT Sell your excess underutilized and idle used equipment We also offer credit for buy backs and trade ins www artisantg com WeBuyEquipment REMOTE INSPECTION Remotely inspect equipment before purchasing with our interactive website at www instraview com LOOKING FOR MORE INFORMATION Visit us on the web at www artisantg com for more information on ...

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