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OPERATING INSTRUCTIONS AND SPECIFICATIONS

NI 9225E

3-Channel, 300 V

rms

, 24-Bit, Simultaneous,

Channel-to-Channel Isolated Analog Input Module

Содержание 9225E

Страница 1: ...sbRIO 9225 ...

Страница 2: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9225E 3 Channel 300 Vrms 24 Bit Simultaneous Channel to Channel Isolated Analog Input Module ...

Страница 3: ...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 9225E The end product supplier is responsible for conformity to any and all compliance requir...

Страница 4: ...9225E Operating Instructions and Specifications NI 9225E Dimensions The following figure shows the dimensions of the NI 9225E Figure 1 NI 9225E 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 5: ...m Connecting the NI 9225E The NI 9225E has three 2 terminal detachable screw terminal connectors that provide connections for three simultaneously sampled isolated analog input channels Figure 2 NI 9225E Terminal Assignments AI0 AI0 AI1 AI1 AI2 AI2 0 1 0 1 0 1 ...

Страница 6: ...etween the signal source and the NI 9225E 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 9225E Refer to the Specifications section for more information about operating voltages and overvoltage protection Note You must use 2 wire ferrules to create a secure connection when connecting more than one wire to a si...

Страница 7: ...Instructions and Specifications 6 ni com Figure 3 Connecting a Grounded Signal Source to the NI 9225E Figure 4 Connecting a Floating Signal Source to the NI 9225E NI 9225E Signal Source AI AI NI 9225E Signal Source AI AI ...

Страница 8: ... 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 three channels simultaneously Refer to Figure 5 for an illustration of the circuitry for one channel of the NI 9225E Figure 5 Input Circuitry for One Channel of the NI 9225E NI 9225E AI AI ADC Amplifier Overvoltage Protection Prefilt...

Страница 9: ...ithin the passband as quantified primarily 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 frequenc...

Страница 10: ...National Instruments Corp 9 NI 9225E Operating Instructions and Specifications Figure 6 Typical Passband Response of the NI 9225E Frequency Data Rate 0 5 0 4 0 025 0 000 0 025 0 050 0 3 0 2 0 1 0 Gain dB ...

Страница 11: ...ree bandwidth of the NI 9225E is not an aliased artifact of signals at a higher frequency The alias free bandwidth is defined by the ability of the filter to reject frequencies above the stopband frequency and equals the data rate minus the stopband frequency Understanding NI 9225E Data Rates The frequency of a master timebase fM controls the data rate fs of the NI 9225E The NI 9225E includes an i...

Страница 12: ... 9225E fs where n is any integer from 1 to 31 However the data rate must remain within the appropriate data rate range Refer to the Specifications section for more information about 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 w...

Страница 13: ... 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 14: ...ltages are relative to the AI signal on each channel unless otherwise noted Input Characteristics Number of channels 3 analog input channels ADC resolution 24 bits Type of ADC Delta Sigma 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 ...

Страница 15: ...a rates1 fs n 1 2 31 Operating voltage ranges Minimum 294 Vrms Typical 300 Vrms Typical scaling coefficient 50 66 µV LSB Overvoltage protection 450 VDC Input coupling DC Input impedance AI to AI 1 MΩ 1 The data rate must remain within the appropriate data rate range Refer to the Understanding NI 9225E Data Rates section for more information fM 256 n ...

Страница 16: ...ift 970 µV C Post calibration gain match ch to ch 20 kHz 0 25 dB max Measurement Conditions Percent of Reading Gain Error Percent of Range Offset Error Calibrated max 40 to 70 C 0 23 0 05 Calibrated typ 25 C 5 C 0 05 0 008 Calibrated max 25 C 15 C 0 084 0 016 Uncalibrated max 40 to 70 C 1 6 0 66 Uncalibrated typ 25 C 5 C 0 4 0 09 Range equals 425 V ...

Страница 17: ... Module to module max 0 035 kHz 360 fin fM Phase linearity fs 50 kS s 0 22 max Input delay 38 4 fs 3 µs Passband Frequency 0 453 fs Flatness fs 50 kS s 100 mdB max Stopband Frequency 0 547 fs Rejection 100 dB Alias free bandwidth 0 453 fs 3 dB bandwidth fs 50 kS s 24 56 kHz CMRR fin 60 Hz 104 dB SFDR 1 kHz 60 dB 128 dB ...

Страница 18: ...urs at 25 C Bellcore Issue 2 Method 1 Case 3 Limited Part Stress Method Note Contact NI for Bellcore MTBF specifications at other temperatures or for MIL HDBK 217F specifications Power Requirements Power consumption from chassis Active mode 495 mW max Sleep mode 25 µW max Thermal dissipation at 70 C Active mode 760 mW max Sleep mode 265 mW max ...

Страница 19: ...dry towel 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 43 g 1 5 oz Safety Maximum Voltage Connect only voltages that are within the following limits AI to AI 300 Vrms max ...

Страница 20: ...asurement 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 V for U S or 230 V for Europe Caution Do not con...

Страница 21: ... 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 visit ni com certification search by module number or pro...

Страница 22: ...itable 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 Degre...

Страница 23: ...tional 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 recycling cente...

Страница 24: ... and information about calibration services for the NI 9225E 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 25: ...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 26: ...ents products refer to the appropriate location Help Patents in your software the patents txt file on your media or 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 3390150 Portugal 351 210 311 210 Russia 7 495 783 6851 Singapore 1800 226 5886 Slovenia...

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