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NI 9219E Operating Instructions and Specifications

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ni.com

3-Wire RTD Mode

In 3-Wire RTD mode, the NI 9219E sources a current, which varies
based on the resistance of the load, between the EX+ and EX–
terminals. This mode compensates for lead wire resistance in
hardware if all the lead wires have the same resistance. The
NI 9219E applies a gain of 2x to the voltage across the negative
lead wire and the ADC uses this voltage as the negative reference
to cancel the resistance error across the positive lead wire.

Figure 9.

Connections in 3-Wire RTD Mode

LO

EX+

EX–

RTD

Wire

Wire

Wire

I

x2

ADC

I

I

NI 9219E

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Содержание NI 9219E

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 9219E 4 Channel 24 Bit Universal Analog 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 9219E The end product supplier is responsible for conformity to any and all compliance requirements Caution The NI 9219E must be installed ...

Страница 4: ...s NI 9219E Dimensions The following figure shows the dimensions of the NI 9219E Figure 1 NI 9219E Dimensions in Millimeters Inches 73 4 2 89 0 0 0 00 0 0 0 00 26 7 1 05 58 4 2 30 66 0 2 60 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 5: ...r 6 terminal spring terminal connectors that provide connections for four analog input channels Figure 2 NI 9219E Channel and Terminal Assignments 4 5 6 4 5 6 4 5 6 4 5 6 1 2 3 1 2 3 1 2 3 1 2 3 Ch 0 Ch 1 Ch 2 Ch 3 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 6: ...T TEDS Data 2 T TEDS COM 3 EX HI Positive excitation or input signal 4 HI Positive input signal 5 EX LO Negative excitation or input signal 6 LO Negative input signal Depending on the mode terminals 3 and 5 are either the excitation signals or the input signals Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 7: ...T T HI LO 4 Wire Resistance T T EX HI EX LO 2 Wire Resistance T T HI LO Thermocouple T T HI LO 4 Wire RTD T T EX HI EX LO 3 Wire RTD T T EX EX LO Quarter Bridge T T HI LO Half Bridge T T EX HI EX Full Bridge T T EX HI EX LO Digital In T T HI LO Open Contact T T HI LO Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 8: ...s in each mode Connecting Wires to the Spring Terminal Connectors Use a flathead screwdriver with a blade smaller than 2 3 1 0 mm 0 09 0 04 in to connect wires to the detachable spring terminal connectors 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 ...

Страница 9: ... only Class II TEDS sensors Connect the two TEDS lines to TEDS Data T and TEDS COM T and ensure that neither T nor T is tied in common to any of the signal inputs terminals 3 through 6 on the NI 9219E Visit ni com info and enter the info code rdteds for information about TEDS sensors Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 10: ... sure the voltages on the positive and negative connections are within the channel to earth working voltage range to ensure proper operation of the NI 9219E Refer to the Specifications section for more information about operating voltages and overvoltage protection Note For best signal quality National Instruments recommends using shielded cables and twisted pair wiring whenever possible Artisan T...

Страница 11: ...de Figure 4 Connecting a Grounded Signal Source to the NI 9219E Figure 5 Connecting a Floating Signal Source to the NI 9219E Twisted Pair Wiring VSIG VSIG Ground Reference Signal Source Shielding HI LO NI 9219E Twisted Pair Wiring VSIG Signal Source Shielding HI LO NI 9219E Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 12: ...all four analog input channels The NI 9219E enables an excitation circuit for all input modes that require excitation and reconfigures the ADC and excitation circuits in each mode to accommodate each type of sensor Figure 6 Input Circuitry for One Channel on the NI 9219E Isolated ADC TEDS 1 2 CHx 3 6 NI 9219E Filter MUX Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www ...

Страница 13: ...ls In Current mode the NI 9219E computes current from the voltage that the ADC measures across an internal shunt resistor Figure 7 Connections in Voltage Current and Digital In Modes Current Mode HI LO ADC I RSH NI 9219E Voltage Digital In Modes HI LO ADC V NI 9219E Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 14: ...minals The NI 9219E computes measured resistance from the resulting voltage reading Lead wire resistance does not affect these modes because a negligible amount of current flows across the HI and LO terminals due to the high input impedance of the ADC Figure 8 Connections in 4 Wire Resistance and 4 Wire RTD Modes LO HI EX RTD Resistor Wire Wire Wire I ADC I EX Wire NI 9219E Artisan Technology Grou...

Страница 15: ...esistance in hardware if all the lead wires have the same resistance The NI 9219E applies a gain of 2x to the voltage across the negative lead wire and the ADC uses this voltage as the negative reference to cancel the resistance error across the positive lead wire Figure 9 Connections in 3 Wire RTD Mode LO EX EX RTD Wire Wire Wire I x2 ADC I I NI 9219E Artisan Technology Group Quality Instrumentat...

Страница 16: ... on the resistance of the load between the HI and LO terminals The NI 9219E computes measured resistance from the resulting voltage reading 2 Wire Resistance and Quarter Bridge modes do not compensate for lead wire resistance Figure 10 Connections in 2 Wire Resistance and Quarter Bridge Modes LO R Wire Wire I ADC I HI NI 9219E Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOUR...

Страница 17: ...age readings that are proportional to the excitation level The internal excitation voltage varies based on the resistance of the sensor Refer to the Specifications section for more information about excitation levels Figure 11 Connections in Half Bridge and Full Bridge Modes 1 The dotted line represents the portion of the circuit that is connected only in Full Bridge mode HI LO EX EX NI 9219E R1 R...

Страница 18: ...ons For improved CJC sensor accuracy operate the NI 9219E in a stable temperature environment and avoid placing heat sources near the module or its connectors Visit ni com info and enter cjcdatascaling for more information about isothermal errors and scaling CJC data Refer to the Specifications section for more information about accuracy The NI 9219E does not support open thermocouple detection Fi...

Страница 19: ... systems Refer to Figure 7 for an illustration of the connections Open Contact Mode In Open Contact mode the NI 9219E sources a current between the HI and LO terminals and determines if the two terminals are open or closed based on the measured current through the terminals When the circuit is open make sure no more than 60 V is sourced across the switch Open Contact mode is supported only in Comp...

Страница 20: ... overall noise rejection and provides rejection of 50 Hz and 60 Hz noise Refer to the Specifications section for more information Excitation Protection The NI 9219E protects the excitation circuit from overcurrent and overvoltage fault conditions The module automatically disables the circuit in the event of a fault condition Whenever possible channels automatically recover after the fault is remov...

Страница 21: ...ormation 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 Specifications The following specifications are typical for the range 40...

Страница 22: ...Range s Actual Range s Voltage 60 V 15 V 4 V 1 V 125 mV 60 V 15 V 4 V 1 V 125 mV Current 25 mA 25 mA 4 Wire and 2 Wire Resistance 10 kΩ 1 kΩ 10 5 kΩ 1 05 kΩ Thermocouple 125 mV 125 mV 4 Wire and 3 Wire RTD Pt 1000 Pt 100 5 05 kΩ 505 Ω Quarter Bridge 350 Ω 120 Ω 390 Ω 150 Ω Half Bridge 500 mV V 500 mV V Full Bridge 62 5 mV V 7 8 mV V 62 5 mV V 7 8125 mV V Artisan Technology Group Quality Instrument...

Страница 23: ...ersion time one or more channels in TC mode High speed 20 ms for all channels Best 60 Hz rejection 120 ms for all channels Best 50 Hz rejection 140 ms for all channels High resolution 510 ms for all channels Overvoltage protection Terminals 1 and 2 30 V Terminals 3 through 6 across any combination 60 V Digital In 0 60 V Open Contact 1 05 kΩ Mode Nominal Range s Actual Range s Artisan Technology Gr...

Страница 24: ...g Offset Error ppm of Range Typ 25 C 5 C Max 40 to 85 C Voltage 60 V 0 3 0 4 20 50 Voltage 15 V 0 3 0 4 60 180 Voltage 4 V 0 3 0 4 240 720 Voltage 1 V 0 1 0 18 15 45 Voltage Thermocouple 125 mV 0 1 0 18 120 360 Current 25 mA 0 1 0 6 30 100 4 Wire and 2 Wire Resistance 10 kΩ 0 1 0 5 120 320 4 Wire and 2 Wire Resistance 1 kΩ 0 1 0 5 1200 3200 Artisan Technology Group Quality Instrumentation Guarante...

Страница 25: ...Bridge 120 Ω 0 1 0 5 2400 6400 Half Bridge 500 mV V 0 03 0 07 300 450 Full Bridge 62 5 mV V 0 03 0 08 300 1000 Full Bridge 7 8 mV V 0 03 0 08 2200 8000 2 Wire Resistance mode accuracy depends on the lead wire resistance This table assumes 0 Ω of lead wire resistance Mode Range Gain Error Percent of Reading Offset Error ppm of Range Typ 25 C 5 C Max 40 to 85 C Artisan Technology Group Quality Instr...

Страница 26: ... V 20 3 2 Voltage 1 V 10 0 2 Voltage Thermocouple 125 mV 10 1 6 Current 25 mA 15 0 4 4 Wire and 2 Wire Resistance 10 kΩ 15 3 4 Wire and 2 Wire Resistance 1 kΩ 15 30 4 Wire and 3 Wire RTD Pt 1000 15 6 4 Wire and 3 Wire RTD Pt 100 15 60 Quarter Bridge 350 Ω 15 120 Quarter Bridge 120 Ω 15 240 Half Bridge 500 mV V 3 20 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artis...

Страница 27: ...ion High reso lution Voltage 60 V 7 6 1 3 1 3 0 5 Voltage 15 V 10 8 1 9 1 9 0 7 Voltage 4 V 10 8 2 7 2 7 1 3 Voltage 1 V 7 6 1 3 1 3 0 5 Voltage Thermocouple 125 mV 10 8 1 9 1 9 1 0 Current 25 mA 10 8 1 9 1 9 1 0 4 Wire and 2 Wire Resistance 10 kΩ 4 1 1 3 0 8 0 3 Mode Range Gain Drift ppm of Reading C Offset Drift ppm of Range C Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SO...

Страница 28: ...1 1 0 4 4 Wire and 3 Wire RTD Pt 100 10 8 1 9 1 9 0 9 Quarter Bridge 350 Ω 5 4 1 0 1 0 0 7 Quarter Bridge 120 Ω 5 4 1 0 1 0 0 7 Half Bridge 500 mV V 3 8 0 5 0 5 0 2 Full Bridge 62 5 mV V 5 4 1 0 1 0 0 8 Full Bridge 7 8 mV V 30 4 7 4 7 2 3 Mode Range Conversion Time High speed Best 60 Hz rejection Best 50 Hz rejection High reso lution Artisan Technology Group Quality Instrumentation Guaranteed 888 ...

Страница 29: ...d 60 Hz Excitation level for Half Bridge and Full Bridge modes Excitation level for Resistance RTD and Quarter Bridge modes Mode Load Resistance Ω Excitation V Half Bridge 700 2 5 240 2 0 Full Bridge 350 2 7 120 2 2 Load Resistance Ω Excitation mV 120 50 350 150 1 k 430 10 k 2200 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 30: ...od Note Contact NI for Bellcore MTBF specifications at other temperatures or for MIL HDBK 217F specifications Power Requirements Power consumption from chassis Active mode 750 mW max Sleep mode 25 μW max Thermal dissipation at 85 C Active mode 625 mW max Sleep mode 25 μW max Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 31: ...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 from the end Weight 60 g 2 1 oz Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 32: ...o channel Continuous 250 VAC Measurement Category II Basic insulation Withstand 1 390 VAC verified by a 5 s dielectric withstand test Channel to earth ground Continuous 250 VAC Measurement Category II Double insulation Withstand 2 300 VAC verified by a 5 s dielectric withstand test Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Страница 33: ...ergy parts of equipment circuits powered by regulated low voltage sources and electronics Caution Do not connect to signals or use for measurements within Measurement Categories II III or IV 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...

Страница 34: ...efer to the product Declaration of Conformity DoC for additional regulatory compliance information To obtain product certifications and the DoC for this product visit ni com certification search by module number or product line and click the appropriate link in the Certification column Environmental National Instruments C Series modules are intended for indoor use only but may be used outdoors if ...

Страница 35: ...nvironmental 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 to the environment and to NI customers For additional environmental information refer to the NI and the Environment Web page at ni com environment This page contains the...

Страница 36: ... and National Instruments WEEE initiatives visit ni com environment weee htm Calibration You can obtain the calibration certificate and information about calibration services for the NI 9219E 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 informa...

Страница 37: ...nd 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...

Страница 38: ...n 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 Singapore 1800 226 5886 Slovenia 386 3 425 42 00 S...

Страница 39: ...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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