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NI 9213E Operating Instructions and Specifications

Figure 6.

Thermocouple Types J and N Errors

Measured Temperature (

°

C)

Measurement Error

(

°

C

)

Max (High Speed), –40 to 85

°

C

Max (High Res), –40 to 85

°

C

Typ (High Speed), Room Temp

Typ (High Res), Room Temp

0

1

3

4

5

2

–200

50

300

550

800

1050

1300

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Содержание 9213E

Страница 1: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9213E 16 Channel Thermocouple Input Module ...

Страница 2: ...g For information about installing configuring 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 9213E The end product supplier is responsible for conformity to any and all compliance requir...

Страница 3: ...9213E Operating Instructions and Specifications NI 9213E Dimensions The following figure shows the dimensions of the NI 9213E Figure 1 NI 9213E 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 ...

Страница 4: ...tor that provides connections for 16 thermocouple channels Figure 2 NI 9213E Terminal Assignments NC TC0 TC1 TC2 TC3 TC4 TC5 TC6 TC7 TC8 TC9 TC10 TC11 TC12 TC13 TC14 TC15 COM NC TC0 TC1 TC2 TC3 TC4 TC5 TC6 TC7 TC8 TC9 TC10 TC11 TC12 TC13 TC14 TC15 COM 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 ...

Страница 5: ...o has two common terminals COM that are internally connected to the isolated ground reference of the module If you are using a shielded thermocouple connect COM to the shield and the shield to a common mode voltage reference of the thermocouple A common mode voltage reference is a voltage that is within 1 2 V of the common mode voltage of the thermocouple If you are using a floating thermocouple o...

Страница 6: ...NI 9213E Operating Instructions and Specifications 6 ni com Figure 3 Connecting a Shielded Thermocouple Input Signal to the NI 9213E Thermocouple TC COM TC Shield NI 9213E Vreference ...

Страница 7: ...tachable spring terminal connector Insert the screwdriver into a spring clamp activation slot and press a wire into the corresponding connector terminal then remove the screwdriver to clamp the wire into the terminal Refer to the Specifications section for more information about spring terminal wiring Refer to Figure 4 for an illustration of connecting wires to the NI 9213E Figure 4 Connecting Wir...

Страница 8: ...als Refer to Figure 5 for an illustration of the input circuitry for one channel of the NI 9213E The NI 9213E multiplexes 16 thermocouple input channels 1 cold junction compensation CJC channel and 1 autozero channel to a single ADC 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...

Страница 9: ...mode range is the maximum voltage between any channel and COM If COM is not connected then the common mode voltage range is the maximum voltage between any two channels The NI 9213E measures the common mode voltage level of each channel and returns a warning in the software if the signal is outside the TC TC COM NI 9213E Input Impedance Open Thermocouple Detection Current Filtered Differential Amp...

Страница 10: ...he high resolution and high speed timing modes Refer to the software help for information about setting the timing mode or conversion time in software Visit ni com info and enter cseriesdoc for information about C Series documentation Temperature Measurement Accuracy Considerations Temperature measurement errors depend partly on the thermocouple type the accuracy of the thermocouple the temperatur...

Страница 11: ...n the cold junction compensation sensor The thermal gradient across the terminals can cause the terminals of different channels to be at different temperatures in which case the resulting measurement creates errors not only in absolute accuracy but also in the relative accuracy between channels Refer to the Specifications section for the cold junction compensation accuracy specifications The therm...

Страница 12: ...inimizing thermal gradients Use small gauge thermocouple wire Smaller wire transfers less heat to or from the terminal junction Run thermocouple wiring together near the spring terminal connector to keep the wires at the same temperature Avoid running thermocouple wires near hot or cold objects If you connect any extension wires to thermocouple wires use wires made of the same conductive material ...

Страница 13: ...he Autozero Channel The NI 9213E has an internal autozero channel to compensate for the offset error The NI 9213E specifications all assume the autozero channel is on for every sample however you can choose not to use the autozero channel in software When the autozero channel is on the NI 9213E measures the autozero channel and subtracts that measurement from the measurement of each thermocouple c...

Страница 14: ... 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 Specific...

Страница 15: ...sures unless otherwise noted Input Characteristics Number of channels 16 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 78 125 mV Temperature measurement ranges Works over temperature ranges defined by NIST J K T E N B R S thermocouple types ...

Страница 16: ...annel Sample Rate All Channels High resolution 55 ms 1 S s High speed 740 μs 75 S s If you are using fewer than all channels the sample rate might be faster The maximum sample rate 1 Conversion Time Number of Channels or 100 S s whichever is smaller Sampling faster than the maximum sample rate may result in the degradation of accuracy Including the autozero and cold junction channels ...

Страница 17: ...h ground 170 dB High speed mode at 0 60 Hz Channel to COM 70 dB COM to earth ground 150 dB Input bandwidth High resolution mode 14 4 Hz High speed mode 78 Hz High resolution noise rejection at 50 and 60 Hz 60 dB Overvoltage protection 30 V between any two inputs Differential input impedance 78 MΩ Input current 50 nA Input noise High resolution mode 200 nVrms High speed mode 7 μVrms ...

Страница 18: ...t 40 to 85 C Offset error High resolution mode 4 μV typ 6 μV max High speed mode 14 μV typ 17 μV max Offset error from source impedance Add 0 05 μV per Ω when source impedance 50 Ω Cold junction compensation accuracy1 0 to 85 C 0 8 C typ 1 7 C max 40 to 85 C 1 1 C typ 2 1 C max 1 The maximum errors assume an isothermal error of 1 3 C Refer to the Cold Junction Temperature Measurement Accuracy sect...

Страница 19: ...BK 217F specifications Temperature Measurement Accuracy Measurement sensitivity1 High resolution mode Types J K T E N 0 02 C Types B R S 0 15 C High speed mode Types J K T E 0 25 C Type N 0 35 C Type B 1 2 C Types R S 2 8 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 s...

Страница 20: ...re range and typical errors at room temperature The figures account for gain errors offset errors differential and integral nonlinearity quantization errors noise errors 50 Ω lead wire resistance and cold junction compensation errors The figures do not account for the accuracy of the thermocouple itself 1 The maximum errors assume an isothermal error of 1 3 C Refer to the Cold Junction Temperature...

Страница 21: ...tructions and Specifications Figure 6 Thermocouple Types J and N Errors Measured Temperature C Measurement Error C Max High Speed 40 to 85 C Max High Res 40 to 85 C Typ High Speed Room Temp Typ High Res Room Temp 0 1 3 4 5 2 200 50 300 550 800 1050 1300 ...

Страница 22: ...ications 22 ni com Figure 7 Thermocouple Type K Errors Max High Speed 40 to 85 C Max High Res 40 to 85 C Typ High Speed Room Temp Typ High Res Room Temp Measured Temperature C Measurement Error C 0 1 4 5 3 2 200 0 200 400 600 800 1000 1200 1400 ...

Страница 23: ...nstructions and Specifications Figure 8 Thermocouple Types T and E Errors Max High Speed 40 to 85 C Max High Res 40 to 85 C Typ High Speed Room Temp Typ High Res Room Temp Measured Temperature C Measurement Error C 0 1 3 4 2 200 0 200 400 600 800 1000 ...

Страница 24: ...ications 24 ni com Figure 9 Thermocouple Type B Errors Measured Temperature C Measurement Error C Max High Speed 40 to 85 C Max High Res 40 to 85 C Typ High Speed Room Temp Typ High Res Room Temp 0 2 6 4 200 400 600 800 1000 1200 1400 1600 1800 ...

Страница 25: ...ns and Specifications Figure 10 Thermocouple Types R and S Errors Measured Temperature C Measurement Error C Max High Speed 40 to 85 C Max High Res 40 to 85 C Typ High Speed Room Temp Typ High Res Room Temp 0 2 6 4 200 0 200 400 600 800 1000 1200 1400 1600 1800 ...

Страница 26: ...hysical Characteristics Use a dry low 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 Spring terminal wiring 18 to 28 AWG copper conductor wire with 7 mm 0 28 in of insulation stripped f...

Страница 27: ...ne 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 This category refers to local level electrical distribution such as that provided by a standard wall outlet for example 115...

Страница 28: ...ory 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 Online Product Certification Refer to the product Declaration of Conformity DoC for additional regulatory compliance information To obtain product certifications and the DoC for this product v...

Страница 29: ... 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 noncondensing Storage humidity IEC 60068 2 56 5 to 95 RH noncondensing Maximum altitude 2 000 m Pollution ...

Страница 30: ... 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 the life cycle all products must be sent to a WEEE recycl...

Страница 31: ... and information about calibration services for the NI 9213E 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 ...

Страница 32: ...onal 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 5...

Страница 33: ...fer to the appropriate location Help Patents in your software the patents txt file on your media or the National Instruments Patent Notice at ni com patents 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 6851 Sing...

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