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OPERATING INSTRUCTIONS AND SPECIFICATIONS

NI 9208E

16-Channel, 

±

20 mA, 24-Bit Analog Input Module

Summary of Contents for NI 9208E

Page 1: ...OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9208E 16 Channel 20 mA 24 Bit Analog Input Module ...

Page 2: ...or 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 9208E The end product supplier is responsible for conformity to any and all compliance requireme...

Page 3: ...9208E Operating Instructions and Specifications NI 9208E Dimensions The following figure shows the dimensions of the NI 9208E Figure 1 NI 9208E 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 ...

Page 4: ...nections for 16 analog input channels Figure 2 NI 9208E Pin Assignments Vsup Vsup Vsup Vsup Vsup Vsup Vsup Vsup COM COM Vsup Vsup Vsup Vsup Vsup Vsup Vsup Vsup AI0 AI1 AI2 AI3 AI4 AI5 AI6 AI7 COM COM AI8 AI9 AI10 AI11 AI12 AI13 AI14 AI15 Vsup 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 37 ...

Page 5: ...four common pins COM that are internally connected to the isolated ground reference of the module The input signals are scanned amplified conditioned and then sampled by a single 24 bit ADC The module provides overvoltage protection for each channel Only one channel can be in an overvoltage condition at a time Refer to the Specifications section for information about overvoltage protection Refer t...

Page 6: ...NI 9208E Operating Instructions and Specifications 6 ni com Figure 3 Input Circuitry on the NI 9208E NI 9208E R R Amp Isolated ADC MUX Vsup Vsup AI0 COM COM AI15 ...

Page 7: ... to a Vsup pin and the negative lead of the power supply to COM Install a 2 A maximum fast acting fuse between the external power supply and the Vsup pin Refer to the Specifications section for information about the Vsup pins Note The Vsup pins are internally connected to each other You can connect only one external voltage supply to the device Caution Do not remove or insert modules if the extern...

Page 8: ...t signal to the AI pin of the channel and the supply terminal to a Vsup pin For a three wire transducer also connect the common of the device to COM Refer to Figures 4 and 5 for illustrations of how to connect loop powered and three wire current transducers to the NI 9208E Figure 4 Connecting a Loop Powered Current Transducer to the NI 9208E NI 9208E COM AI0 External Power Supply Loop Powered Curr...

Page 9: ...s Corp 9 NI 9208E Operating Instructions and Specifications Figure 5 Connecting a Three Wire Current Transducer to the NI 9208E NI 9208E Vsup COM COM Vsup AI0 External Power Supply Three Wire Current Transducer 2 A Max OUT ...

Page 10: ... 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...

Page 11: ... otherwise noted All voltages are relative to COM unless otherwise noted Input Characteristics Number of channels 16 analog input channels ADC resolution 24 bits Type of ADC Delta Sigma Sampling mode Scanned Input range Minimum 21 5 mA Typical 22 mA Conversion time per channel High resolution mode 52 ms High speed mode 2 ms Overvoltage protection channel to COM 30 V max on one channel at a time ...

Page 12: ... V max Input impedance 85 Ω Accuracy Input noise High resolution mode 50 nArms High speed mode 200 nArms Stability Gain drift 20 ppm C Offset drift 62 nA C Measurement Conditions Percent of Reading Gain Error Percent of Range Offset Error Calibrated error max 40 to 85 C 0 76 0 04 Range equals 22 mA ...

Page 13: ...RR High resolution mode only 50 Hz 66 dB 60 Hz 68 dB MTBF Contact NI for Bellcore MTBF or MIL HDBK 217F specifications Power Requirements Power consumption from chassis Active mode 282 mW max Sleep mode 25 μW max Thermal dissipation at 85 C Active mode 1 29 W max Sleep mode 0 72 W max ...

Page 14: ...omponents 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 Weight 45 g 1 6 oz Safety Safety Voltages Connect only voltages that are within the following limits Channel to COM 30 V Isolation Channel to channel None Channel to earth ground Continuous 60 VDC Measurement Category I Double insulation...

Page 15: ...or measurements of voltages from specially protected secondary circuits Such voltage measurements include signal levels special equipment limited energy parts of equipment circuits powered by regulated low voltage sources and electronics Caution Do not connect the NI 9208E to signals or use for measurements within Measurement Categories II III or IV Safety Standards This product meets the requirem...

Page 16: ...duct 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 installed in a suitable enclosure Refer to the manual for the chassis you are using for more information about meeting these specifications Operating temper...

Page 17: ...anufacturing 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 environmental regulations and directives with which NI complies as well as ...

Page 18: ...ational Instruments WEEE initiatives visit ni com environment weee Calibration You can obtain the calibration certificate and information about calibration services for the NI 9208E at ni com calibration Calibration interval 2 years 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 abou...

Page 19: ... 3504 National 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 2 757 002...

Page 20: ...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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