National Instruments NI 9229 Operating Instructions Manual
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National Instruments NI 9229 Operating Instructions Manual

National instruments analog input module operating instructions and specifications
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OPERATING INSTRUCTIONS AND SPECIFICATIONS
NI 9229/9239
4-Channel, ±60/±10 V, 24-Bit Simultaneous,
Channel-to-Channel Isolated Analog Input Modules
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  • Page 1 OPERATING INSTRUCTIONS AND SPECIFICATIONS NI 9229/9239 4-Channel, ±60/±10 V, 24-Bit Simultaneous, Channel-to-Channel Isolated Analog Input Modules Français Deutsch ni.com/manuals...
  • Page 2 This document describes how to use the National Instruments 9229 and National Instruments 9239 and includes specifications and terminal assignments. In this document, the NI 9229 and NI 9239 are referred to inclusively as the NI 9229/9239. Visit and enter ni.com/info...

  • Page 3: Safety Guidelines For Hazardous Voltages

    Safety Guidelines Operate the NI 9229/9239 only as described in these operating instructions. Hot Surface hot. Touching this component may result in bodily injury. Safety Guidelines for Hazardous Voltages If hazardous voltages are connected to the module, take the following precautions. A hazardous voltage is a voltage greater than 42.4 V...
  • Page 4 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 NI 9229/9239 /60 VDC), you must ensure that devices ni.com...

  • Page 5: Safety Guidelines For Hazardous Locations

    Safety Guidelines for Hazardous Locations The NI 9229/9239 is suitable for use in Class I, Division 2, Groups A, B, C, D, T4 hazardous locations; Class I, Zone 2, AEx nA IIC T4, and Ex nA IIC T4 hazardous locations; and nonhazardous locations only.
  • Page 6 II 3G and is suitable for use in Zone 2 hazardous locations. If you are using the NI 9229/9239 in Gas Group IIC hazardous locations or in ambient temperatures of –40 °C ≤ Ta ≤ 70 °C, you must use the device in an NI chassis that has been evaluated as EEx nC IIC T4, Ex nA IIC T4, or Ex nL IIC T4 equipment.

  • Page 7: Special Conditions For Marine Applications

    Power supply and module cables must be separated on opposite sides of the enclosure and must enter and exit through opposing enclosure walls. © National Instruments Corp. and search for the LR certificate, or NI 9229/9239...
  • Page 8 Connecting the NI 9229/9239 The NI 9229/9239 provides connections for four simultaneously sampled, isolated analog input channels. Figure 2. NI 9229/9239 Terminal Assignments NI 9229/9239 AI0+ AI0– AI1+ AI1– AI2+ AI2– AI3+ AI3– ni.com...
  • Page 9 NI 9229/9239. You can connect ground-referenced or floating signal sources to the NI 9229/9239. Connect the positive signal of the signal source to the AI+ terminal or connector, and connect the negative signal of the signal source to the AI– terminal or connector. If you make a ground-referenced connection between the signal source and the NI 9229/9239, make sure the voltage on the AI+ and AI–...
  • Page 10 Signal Source – AI– NI 9229/9239 Figure 3. Connecting a Grounded Signal Source to the NI 9229/9239 Signal Source – AI– NI 9229/9239 Figure 4. Connecting a Floating Signal Source to the NI 9229/9239 NI 9229/9239 ni.com...
  • Page 11 Refer to Figure 5 for an illustration of the circuitry for one channel. Overvoltage Protection AI– Amplifier Prefilter NI 9229/9239 Figure 5. Input Circuitry for One Channel of the NI 9229/9239 © National Instruments Corp. NI 9229/9239...
  • Page 12 Wiring for High-Vibration Applications If an application is subject to high vibration, National Instruments recommends that you either use ferrules to 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.
  • Page 13 The small amount of variation in gain with respect to frequency is called the passband flatness. The digital filters of the NI 9229/9239 adjust the frequency range of the passband to match the data rate. Therefore, the amount of gain or attenuation at a given frequency depends on the data rate.
  • Page 14 0.025 0.000 –0.025 –0.050 Figure 7. Typical Passband Flatness for the NI 9229/9239 NI 9229/9239 Frequency/Data Rate ni.com...

  • Page 15: Alias-Free Bandwidth

    Alias-Free Bandwidth Any signal that appears in the alias-free bandwidth of the NI 9229/9239 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.
  • Page 16 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 9229/9239 has a different set of data rates. The cRIO-9151 R Series Expansion chassis does Note not support sharing timebases between modules.

  • Page 17: Sleep Mode

    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. © National Instruments Corp. NI 9229/9239...

  • Page 18: Specifications

    All voltages are relative to the AI– signal on each channel unless otherwise noted. The specifications are the same for the NI 9229 and the NI 9239 unless otherwise noted. Input Characteristics Number of channels... 4 analog input channels ADC resolution...
  • Page 19 Overvoltage protection ... ±100 V Input coupling... DC Input impedance (AI+ to AI–) ... 1 MΩ The data rate must remain within the appropriate data rate range. Refer to the Understanding NI 9229/9239 Data Rates Refer to the Safety Guidelines voltages.
  • Page 20 Accuracy, NI 9229 Measurement Conditions Calibrated max (–40 to 70 °C) Calibrated typ (25 °C, ±5 °C) Uncalibrated max (–40 to 70 °C) Uncalibrated typ (25 °C, ±5 °C) Range equals 62.64 V NI 9229/9239 Percent of Reading (Gain Error) (Offset Error) ±0.13%...
  • Page 21 Calibrated typ (25 °C, ±5 °C) Uncalibrated max (–40 to 70 °C) Uncalibrated typ (25 °C, ±5 °C) Range equals 10.52 V Input noise NI 9229... 320 μV NI 9239... 70 μV Stability Gain drift ... ±5 ppm/°C Offset drift NI 9229 ...
  • Page 22 Crosstalk (1 kHz)... –130 dB Phase mismatch (ch-to-ch) NI 9229... 0.045°/kHz max NI 9239... 0.075°/kHz max Phase mismatch (module-to-module, max) NI 9229... 0.045°/kHz + 360°· f NI 9239... 0.075°/kHz + 360°· f Phase nonlinearity (f Input delay NI 9229... 38.4/f NI 9239...
  • Page 23 –3 dB prefilter bandwidth = 50 kS/s)... 24.56 kHz = 60 Hz) CMRR (f NI 9229... 116 dB NI 9239... 126 dB SFDR (1 kHz, –60 dBFS)... –128 dBFS Total Harmonic Distortion (THD) 1 kHz, –1 dBFS ... –99 dB 1 kHz, –20 dBFS ...

  • Page 24: Power Requirements

    Screw-terminal wiring ... 16 to 28 AWG copper Torque for screw terminals ... 0.22 to 0.25 N · m Ferrules ... 0.25 mm Weight... 147 g (5.2 oz) NI 9229/9239 μ W max conductor wire with 7 mm (0.28 in.) of insulation stripped from the end (1.95 to 2.21 lb ·...
  • Page 25 Withstand... 1,390 V Zone 2 hazardous locations applications in Europe Maximum voltage (channel-to-earth ground and channel-to-channel) ... 60 VDC, © National Instruments Corp. Measurement Category II , verified by a 5 s dielectric withstand test Measurement Category II , verified by a 5 s...
  • Page 26 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. Do not connect to signals or use for Caution measurements within Measurement Categories III or IV. NI 9229/9239 ni.com...

  • Page 27: Safety Standards

    Hazardous Locations U.S. (UL) ... Class I, Division 2, Canada (C-UL) ... Class I, Division 2, Europe (DEMKO)... Ex nA IIC T4 © National Instruments Corp. ni.com/certification Groups A, B, C, D, T4; Class I, Zone 2, AEx nA IIC T4 Groups A, B, C, D, T4;...
  • Page 28 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.

  • Page 29: Shock And Vibration

    • EN 55011 Emissions; Group 1, Class A • CE, C-Tick, ICES, and FCC Part 15 Emissions; Class A © National Instruments Corp. , 10 to 500 Hz 50 g, 3 ms half sine, 18 shocks at 6 orientations NI 9229/9239...

  • Page 30: Environmental Management

    Certification column. Environmental 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 not only to the environment but also to NI customers.
  • Page 31 WEEE recycling centers and National Instruments WEEE initiatives, visit environment/weee.htm National Instruments ni.com/environment/rohs_china about China RoHS compliance, go to environment/rohs_china © National Instruments Corp. ni.com/environment At the end of their life cycle, all products National Instruments RoHS . This page ni.com/...

  • Page 32: Where To Go For Support

    NI 9229/9239 at ni.com/ calibration Calibration interval ... 1 year Where to Go for Support The National Instruments Web site is your complete resource for technical support. At you have access to ni.com/support everything from troubleshooting and application development self-help resources to email and phone assistance from NI Application Engineers.
  • Page 33 South Africa 27 0 11 805 8197, Spain 34 91 640 0085, Sweden 46 (0) 8 587 895 00, Switzerland 41 56 2005151, Taiwan 886 02 2377 2222, Thailand 662 278 6777, Turkey 90 212 279 3031, United Kingdom 44 (0) 1635 523545 © National Instruments Corp. NI 9229/9239...
  • Page 34 National Instruments, NI, ni.com, and LabVIEW are trademarks of National Instruments Corporation. Refer to the Terms of Use section on ni.com/legal for more information about National Instruments trademarks. Other product and company names mentioned herein are trademarks or trade names of their respective companies.

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