National Instruments USB-9221 manual

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Table of contents for the manual

  • Page 1

    USER GUIDE AND SPECIFICATIONS USB-9201/9221 8-Channel, 12-Bit Analog Input Devices This user guide describes how to use the National Instruments USB-9201/9221 devices and lists the specif ications. Introduction This user guide describes how to use the National Instruments USB-9201/9221. In this document, the USB-9201/9 221 with screw terminal and U[...]

  • Page 2

    USB-9201/9221 User Guide an d Specifications 2 ni.com Dimensions Figures 2 and 3 show the USB-9201/9221 device dimensi ons. Figure 2. USB-9201/9221 Devices in Inches (Millimeters) Figure 3. USB-9201/9221 (DSUB) Device s in Inches (Millimeters) 25.34 mm (0.998 in.) Hi-Speed USB Carrier NI USB-9162 140.23 mm (5.521 in.) 137.82 mm (5.426 in.) 120.68 m[...]

  • Page 3

    © National Instruments Corporation 3 USB - 9201/9221 User G uid e and Specifications Safety Guidelines Operate the USB-9201/9221 only as descri bed in these operating instructions. Caution Although the NI 9201/9221 mi ght hav e more stringent certification standards than the USB -9201/9221, when used with the USB-9162 carrier , the combined system[...]

  • Page 4

    USB-9201/9221 User Guide an d Specifications 4 ni.com Software Software support for the USB-920 1/9221 is provided by NI-DAQmx. The NI-DAQmx CD contains exampl e programs that you can use to get started programming w ith the USB-9201/9221 . Refer to the NI-DA Qmx for USB Devices Getting Started Guide that shipped with your device, and is also acces[...]

  • Page 5

    © National Instruments Corporation 5 USB - 9201/9221 User G uid e and Specifications Figure 4. Module Installation 4. Squeeze the latches and insert the NI 9201/9221 mo dule into the USB-9162 carrier . 5. Press firmly on the connector side of the NI 9201/9221 module until the latches lock the module in to place, as shown in Figure 5. Figure 5. Loc[...]

  • Page 6

    USB-9201/9221 User Guide an d Specifications 6 ni.com Mounting the USB-9201/9221 to a Panel Threaded inserts are located in the USB-920 1/9221 for mounting it to a panel. Refer to Figure 6 for dimensions. Figure 6. Module Dimensions Connecting the USB-9201/ 9221 to a Computer Plug one end of the USB cab le into the USB-92 01/9221 and the oth er end[...]

  • Page 7

    © National Instruments Corporation 7 USB - 9201/9221 User G uid e and Specifications Wiring the USB-9201/9221 The USB-9201/9221 pro vides connection s for eight analo g input channels. The USB-9201/9221 with screw terminal has a 10-terminal, detachable high voltage screw-terminal backshell. The USB-92 01/9221 with DSUB has a 25-pin DSUB connector.[...]

  • Page 8

    USB-9201/9221 User Guide an d Specifications 8 ni.com Figure 7. Pin Assignments Table 2. T erminal As signments Module T erminal Signal 0 AI 0 1 AI 1 2 AI 2 3 AI 3 4 AI 4 5 AI 5 6 AI 6 7 AI 7 8 No connection 9 Common (COM) 0 1 2 3 4 5 6 7 8 9 COM NC COM COM NC COM COM NC COM COM NC COM COM AI0 NC AI1 AI2 NC AI3 AI4 NC AI5 AI6 NC AI7 1 2 3 4 5 6 7 8[...]

  • Page 9

    © National Instruments Corporation 9 USB - 9201/9221 User G uid e and Specifications Assembling the High V oltage Screw T erminal Backshell The high voltage screw terminal back shell must be instal led when using hazardous voltages (>42.4 V pk , 60 VDC). Refer to Figure 8 while completing the following steps: 1. Connect the leads to the scre w [...]

  • Page 10

    USB-9201/9221 User Gui de and Specifications 10 ni.com Refer to your software documentation, acces sible from Start» All Programs»National Instruments»NI-DAQ , for information about different methods of reading USB-9201/9221 data. USB-9201/9221 Circuitr y The USB-9201/9221 channe ls are isolated, and th e device protects each channel from overvo[...]

  • Page 11

    © National Instruments Corporation 11 USB -9201/9221 User Gu ide and Specifications Sample rate (aggr egate) 1 USB-9201 Single channel......................... . 800 kS/s max Scanning ................... ........... .... 500 kS/s USB-9221 ..................... .............. .... 800 kS/s max Operating voltage ranges 2 USB-9201 ................ ..[...]

  • Page 12

    USB-9201/9221 User Guide an d Specifications 12 ni.com Stability Offset drift USB-9201 .................. .............. .± 100 μ V/°C USB-9221 .................. .............. .± 580 μ V/°C Gain drift ............ .............. ........... ....± 34 ppm/°C Input bandwidth (–3 dB) USB-9201 ......................... ........... ....690 kH[...]

  • Page 13

    © National Instruments Corporation 13 USB -9201/9221 User Gu ide and Specifications Physical Characteristics If you need to clean the module, wipe it with a dry towel. Dimensions With combicon ....................... ......... 14.0 cm × 8.8 cm × 2.5 cm ............. ........... .............. ........... ....... (5.52 in. × 3.47 in. × 1.00 in.[...]

  • Page 14

    USB-9201/9221 User Guide an d Specifications 14 ni.com Isolation Voltages for USB-9201/9221 with DSUB Channel-to-channel ............. .............. ......None Channel-to-earth g round Continuous ............. .............. ............60 VDC, Measurement Category I Withstand ............... .............. ............1,000 V rms , verified by a [...]

  • Page 15

    © National Instruments Corporation 15 USB -9201/9221 User Gu ide and Specifications Operating humidity (IEC 60068-2-56) ................. ......... ......... 10 to 90% R H, noncondensing Storage humidity (IEC 60068-2-56) ................. ......... ......... 5 to 95% RH, non condensing Maximum altitude ........ .............. ........... . 2,000 m[...]

  • Page 16

    National Instruments, NI, ni.com, and LabVIEW are tradem arks of National Instruments Corporation. Refer to t he Terms of Use section on ni.com/legal for more information abou t National Instruments trademarks. Other product and compan y names mentioned herein are trademarks or tr ade names of their respective companie s . For patents covering Nati[...]