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National Instruments NI USB-9219 User Manual

Manual is about: 4-Channel, 24-Bit, Univer sal Analog Input Module

Summary of NI USB-9219

  • Page 1

    User guide and specifications ni usb-9219 4-channel, 24-bit, universal analog input module this user guide describes how to use the national instruments usb-9219 and lists the device specifications. Introduction the ni usb-9219 provides a usb interface for four channels of universal analog input wit...

  • Page 2: Dimensions

    Ni usb-9219 user guide and specifications 2 ni.Com dimensions figure 2 shows the ni usb-9219 device dimensions. Figure 2. Ni usb-9219 device in millimeters (inches) safety guidelines operate the ni usb-9219 only as described in these operating instructions. Hot surface this icon denotes that the com...

  • Page 3: Related Documentation

    © national instruments corporation 3 ni usb-9219 user guide and specifications caution when module terminals are hazardous voltage live (>42.4 v pk /60 vdc), you must ensure that devices and circuits connected to the module are properly insulated from human contact. You must use the ni 9972 connecto...

  • Page 4

    Ni usb-9219 user guide and specifications 4 ni.Com labview if you are a new user, use the getting started with labview manual to familiarize yourself with the labview graphical programming environment and the basic labview features you use to build data acquisition and instrument control application...

  • Page 5

    © national instruments corporation 5 ni usb-9219 user guide and specifications can create channels and tasks, and write your own applications in your ade using the ni-daqmx api. For help with ni-daqmx methods and properties, refer to the ni-daqmx .Net class library or the ni-daqmx visual c++ class l...

  • Page 6: Installing The Software

    Ni usb-9219 user guide and specifications 6 ni.Com library»using the measurement studio .Net class libraries to view conceptual topics for using ni-daqmx with visual c# and visual basic .Net. To get to the same help topics from within visual studio, go to help» contents . Select measurement studio f...

  • Page 7

    © national instruments corporation 7 ni usb-9219 user guide and specifications example programs the ni-daqmx cd contains example programs that you can use to get started programming with the ni usb-9219. Refer to the ni-daqmx for usb devices getting started guide that shipped with your device, and i...

  • Page 8

    Ni usb-9219 user guide and specifications 8 ni.Com 5. Press firmly on the connector side of the ni usb-9219 module until the latches lock the module into place, as shown in figure 5. Figure 5. Locking module into place 6. Connect the usb cable to the assembled ni usb-9219. Mounting the ni usb-9219 t...

  • Page 9

    © national instruments corporation 9 ni usb-9219 user guide and specifications connecting the ni usb-9219 to a computer plug one end of the usb cable into the ni usb-9219 and the other end into an available usb port on the computer. Refer to the ni-daqmx for usb devices getting started guide that sh...

  • Page 10

    Ni usb-9219 user guide and specifications 10 ni.Com wiring the ni usb-9219 device caution a high voltage screw terminal backshell must be installed when using hazardous voltages (>42.4 v pk , 60 vdc). Note table 2 illustrates the accessories available from ni.Com for use with the ni usb-9219. The ni...

  • Page 11

    © national instruments corporation 11 ni usb-9219 user guide and specifications connecting wires to the ni usb-9219 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 int...

  • Page 12

    Ni usb-9219 user guide and specifications 12 ni.Com wiring teds channels the ni usb-9219 supports 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 ...

  • Page 13: Ni Usb-9219 Timing Options

    © national instruments corporation 13 ni usb-9219 user guide and specifications ni usb-9219 timing options the ni usb-9219 supports four different timing options that are optimized for different types of applications by using different adc conversion times. High speed is optimized for high speed at ...

  • Page 14

    Ni usb-9219 user guide and specifications 14 ni.Com 4-wire resistance and 4-wire rtd modes 4-wire resistance and 4-wire rtd modes source a current, which varies based on the resistance of the load, between the ex+ and ex– terminals. The measured resistance is computed from the resulting voltage read...

  • Page 15

    © national instruments corporation 15 ni usb-9219 user guide and specifications 2-wire resistance and quarter-bridge modes in 2-wire resistance and quarter-bridge modes, connect the two ends of the resistor or gauge to the ni usb-9219 across the hi and lo terminals. These modes source a current, whi...

  • Page 16

    Ni usb-9219 user guide and specifications 16 ni.Com thermocouple mode in thermocouple mode, connect the positive end of the thermocouple to hi and the negative end of the thermocouple to lo. This mode uses the ±125 mv range of the adc to return a voltage reading. Use shielded cables and twisted-pair...

  • Page 17: Specifications

    © national instruments corporation 17 ni usb-9219 user guide and specifications specifications the following specifications are typical for the range 0 to 60 °c unless otherwise noted. Input characteristics number of channels ............................... 4 analog input channels adc resolution ......

  • Page 18

    Ni usb-9219 user guide and specifications 18 ni.Com overvoltage protection terminals 1 and 2 ............................±30 v terminals 3 through 6, across any combination ...................±60 v input impedance voltage and digital in modes (±60 v, ±15 v, ±4 v) ......................1 m Ω current ...

  • Page 19

    © national instruments corporation 19 ni usb-9219 user guide and specifications stability mode, range gain drift (ppm of reading/°c) offset drift (ppm of range/°c) voltage, ± 60 v ±20 ±0.2 voltage, ± 15 v ±20 ±0.8 voltage, ± 4 v ±20 ±3.2 voltage, ± 1 v ±10 ±0.2 voltage/thermocouple, ± 125 mv ±10 ±1....

  • Page 20

    Ni usb-9219 user guide and specifications 20 ni.Com input noise in ppm of range rms input bias current .................................... Inl..........................................................±15 ppm cmrr ( f in = 60 hz) ................................>100 db nmrr best 60 hz rejection .......

  • Page 21

    © national instruments corporation 21 ni usb-9219 user guide and specifications excitation level for half-bridge and full-bridge modes excitation level for resistance, rtd, and quarter-bridge modes power requirements current consumption from usb ............ 500 ma, max suspend mode ...................

  • Page 22

    Ni usb-9219 user guide and specifications 22 ni.Com safety if you need to clean the module, wipe it with a dry towel. Safety voltages connect only voltages that are within these limits. Isolation channel-to-channel continuous ...............................250 vac, measurement category ii withstand ...

  • Page 23

    © national instruments corporation 23 ni usb-9219 user guide and specifications environmental the usb-9219 is intended for indoor use only but may be used outdoors if installed in a suitable enclosure. Operating temperature (iec 60068-2-1, iec 60068-2-2)........... 0 to 60 °c storage temperature (ie...

  • Page 24: Rohs

    Ni usb-9219 user guide and specifications 24 ni.Com 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...

  • Page 25: Where to Go For Support

    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 resp...