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NI 9227, Operating Instructions And Specifications

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NI 9227 Operating Instructions and Specifications

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© National Instruments

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9

The NI 9227 analog input channels are floating with respect to 
earth ground and each other. The incoming analog signal on each 
channel is conditioned, buffered, and then sampled by a 24-bit 
Delta-Sigma ADC.

Each channel provides an independent signal path and ADC, 
enabling you to sample all four channels simultaneously. Refer 
to Figure 5 for an illustration of the circuitry for one channel of 
the NI 9227.

Figure 5.  

 Input Circuitry for One Channel of the NI 9227

NI 9227

AI+

AI–

ADC

Amplifier

S

h

u

nt

Re

s

i

s

tor

Prefilter

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

Summary of Contents for 9227

Page 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 ...

Page 2: ...PECIFICATIONS NI 9227 4 Channel 5 Arms 24 Bit Simultaneous Channel to Channel Isolated Analog Input Module ni com manuals Deutsch Français Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 3: ... in the system might not meet the same safety ratings and specifications Refer to the documentation for each component in the system to determine the safety ratings and specifications for the entire system Related Information Services ni com services NI CompactDAQ NI CompactRIO Documentation ni com info cseriesdoc Chassis Compatibility ni com info compatibility ni com info softwareversion Software...

Page 4: ...Caution Do not operate the NI 9242 in a manner not specified in this manual Product misuse can result in a hazard You can compromise the safety protection built into the product if the product is damaged in any way If the product is damaged return it to National Instruments for repair Safety Guidelines for Hazardous Voltages If hazardous voltages are connected to the module take the following prec...

Page 5: ...onnel adhering to local electrical standards Caution Do not mix hazardous voltage circuits and human accessible circuits on the same module Caution Make sure that devices and circuits connected to the module are properly insulated from human contact Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 6: ...that devices and circuits connected to the module are properly insulated from human contact You must use the NI 9971 connector backshell kit to ensure that the terminals are not accessible Figure 1 shows the NI 9971 connector backshell Figure 1 NI 9971 Connector Backshell Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 7: ...rminal detachable screw terminal connectors that provide connections for four simultaneously sampled isolated analog input channels Figure 2 NI 9227 Terminal Assignments AI0 AI0 AI1 AI1 AI2 AI2 AI3 AI3 0 1 0 1 0 1 0 1 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 8: ...ferenced connection between the current source and the NI 9227 make sure the voltage on the AI and AI connections are in the channel to earth safety voltage range to ensure proper operation of the NI 9227 Refer to the Specifications section for more information about operating voltages Note You must use 2 wire ferrules to create a secure connection when connecting more than one wire to a single te...

Page 9: ...rounded and floating current sources to the NI 9227 Figure 3 Connecting a Grounded Current Source to the NI 9227 Figure 4 Connecting a Floating Current Source to the NI 9227 NI 9227 Current Source AI AI NI 9227 Current Source AI AI Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 10: ...en sampled by a 24 bit Delta Sigma ADC Each channel provides an independent signal path and ADC enabling you to sample all four channels simultaneously Refer to Figure 5 for an illustration of the circuitry for one channel of the NI 9227 Figure 5 Input Circuitry for One Channel of the NI 9227 NI 9227 AI AI ADC Amplifier Shunt Resistor Prefilter Artisan Technology Group Quality Instrumentation Guar...

Page 11: ...o terminate wires to the detachable screw terminal connector or use the NI 9971 backshell kit to protect the connections Refer to Figure 6 for an illustration of using ferrules Refer to Figure 1 for an illustration of the NI 9971 connector backshell Figure 6 2 Terminal Detachable Screw Terminal Connector with Ferrule Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www art...

Page 12: ...ily by passband flatness and phase nonlinearity All signals that appear in the alias free bandwidth are either unaliased signals or signals that have been filtered by at least the amount of the stopband rejection Passband The signals within the passband have frequency dependent gain or attenuation The small amount of variation in gain with respect to frequency is called the passband flatness The d...

Page 13: ...goal of the filter is to prevent aliasing Therefore the stopband frequency scales precisely with the data rate The stopband rejection is the minimumamountof attenuationapplied by the filter to all signals with frequencies within the stopband Frequency Data Rate Hz 0 5 0 4 0 025 0 000 0 025 0 050 0 3 0 2 0 1 0 Gain dB Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www art...

Page 14: ...se fM controls the data rate fs of the NI 9227 The NI 9227 includes an internal master timebase with a frequency of 12 8 MHz but the module also can accept an external master timebase or export its own master timebase To synchronize the data rate of an NI 9227 with other modules that use master timebases to control sampling all of the modules must share a single master timebase source Refer to the...

Page 15: ...out the data rate range When using the internal master timebase of 12 8 MHz the result is data rates of 50 kS s 25 kS s 16 667 kS s and so on down to 1 613 kS s depending on the value of n When using an external timebase with a frequency other than 12 8 MHz the NI 9227 has a different set of data rates Note The NI cRIO 9151 R Series Expansion chassis does not support sharing timebases between modu...

Page 16: ... 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 abou...

Page 17: ... result this device may experience reduced measurement accuracy or other temporary performance degradation when connected cables are routed in an environment with radiated or conducted radio frequency electromagnetic interference To limit radiated emissions and to ensure that this device functions within specifications in its operational electromagnetic environment take precautions when designing ...

Page 18: ... with analog prefiltering Sampling mode Simultaneous Internal master timebase fM Frequency 12 8 MHz Accuracy 100 ppm max Data rate range fs using internal master timebase Minimum 1 613 kS s Maximum 50 kS s Data rate range fs using external master timebase Minimum 390 625 S s Maximum 51 36 kS s Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 19: ...ate data rate range Refer to the Understanding NI 9227 Data Rates section for more information 2 Refer to the Safety Guidelines section for more information about safe operating voltages 3 The maximum recommended continuous RMS current value applied simultaneously on all 4 channels to keep the power dissipation inside the module within safe operating limits 4 Overcurrent conditions to keep the mod...

Page 20: ...ding Gain Error Percent of Range Offset Error Calibrated max 40 to 70 C 0 37 0 18 Calibrated typ 23 C 5 C 0 1 0 05 Uncalibrated max 40 to 70 C 5 0 2 4 Uncalibrated typ 23 C 5 C 2 5 1 0 Range equals 7 07 A peak 5 Arms Measurement Conditions Percent of Reading Gain Error Percent of Range Offset Error Calibrated max 40 to 70 C 0 38 0 19 Range equals 7 07 A peak 5 Arms Artisan Technology Group Quality...

Page 21: ... 20 kHz 130 mdB max Crosstalk fin 1 kHz 90 dB fin 50 Hz 115 dB Phase match Channel to channel max 0 1 kHz Module to module max 0 1 kHz 360 fin fM Phase linearity fs 50 kS s 0 1 max Input delay 40 fs 2 9 μs Passband Frequency 0 453 fs Flatness fs 50 kS s 100 mdB max 5 512 Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 22: ...kS s 24 609 kHz CMRR fin 50 Hz 150 dB SFDR fin 1 kHz 60 dBFS 110 dB Total Harmonic Distortion THD fin 1 kHz 1 dBFS 95 dB MTBF Contact NI for Bellcore MTBF or MIL HDBK 217F specifications Power Requirements Power consumption from chassis Active mode 730 mW max Sleep mode 50 μW max Artisan Technology Group Quality Instrumentation Guaranteed 888 88 SOURCE www artisantg com ...

Page 23: ...dimensional models of the C Series module and connectors visit ni com dimensions and search by module number Screw terminal wiring 16 to 28 AWG copper conductor wire with 7 mm 0 28 in of insulation stripped from the end Torque for screw terminals 0 22 to 0 25 N m 1 95 to 2 21 lb in Ferrules 0 25 mm2 to 0 5 mm2 Weight 145 g 5 1 oz 1 Measured with 5 Arms on each channel Artisan Technology Group Qual...

Page 24: ... Category II 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 V for U S or 230 V for Europe Caution Do not connect to signals or use for ...

Page 25: ...uct label or the Online Product Certification section Electromagnetic Compatibility This product meets the requirements of the following EMC standards for electrical equipment for measurement control and laboratory use EN 61326 2 1 IEC 61326 2 1 Class A emissions Industrial immunity EN 55011 CISPR 11 Group 1 Class A emissions AS NZS CISPR 11 Group 1 Class A emissions FCC 47 CFR Part 15B Class A em...

Page 26: ...opean Directives as follows 2006 95 EC Low Voltage Directive safety 2004 108 EC Electromagnetic Compatibility Directive EMC 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 visit ni com certification search by module number or product line and click the appr...

Page 27: ...hock IEC 60068 2 27 30 g 11 ms half sine 50 g 3 ms half sine 18 shocks at 6 orientations Environmental National Instruments 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 70...

Page 28: ...nmentally 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 Minimize Our Environmental Impact web page at ni com environment This page contains the environmental regulations and directives with which NI complies as well as other environmental inf...

Page 29: ...on Waste and Electronic Equipment visit ni com environment weee Calibration You can obtain the calibration certificate and information about calibration services for the NI 9227 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 Chi...

Page 30: ...egister your National Instruments product Product registration facilitates technical support and ensures that you receive important information updates from NI A Declaration of Conformity DoC is our claim of compliance with the Council of the European Communities using the manufacturer s declaration of conformity This system affords the user protection for electromagnetic compatibility EMC and pro...

Page 31: ...hone support in the United States create your service request at ni com support or dial 1 866 ASK MYNI 275 6964 For telephone support outside the United States visit the Worldwide Offices section of ni com niglobal to access the branch office websites which provide up to date contact information support phone numbers email addresses and current events Artisan Technology Group Quality Instrumentati...

Page 32: ...icense agreements EULAs and third party legal notices in the readme file for your NI product Refer to the Export Compliance Information at ni com legal export compliance for the National Instruments global trade compliance policy and how to obtain relevant HTS codes ECCNs and other import export data NI MAKES NO EXPRESS OR IMPLIED WARRANTIES AS TO THE ACCURACY OF THE INFORMATION CONTAINED HEREIN A...

Page 33: ...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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