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Manuale per l’uso National Instruments NI USB-6008/6009

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  • National Instruments NI USB-6008/6009 - page 1

    USER GUIDE AND SPECIFICATIONS NI USB-6008/6009 This user guide describes how to use the National Instruments USB-6008/6009 data acquisi tion (D A Q) de vices and lists specif ications. Introduction The NI USB-6008/6009 provid es connection to eight analog inpu t (AI) channels, two analog output (AO ) channels, 12 digital input/outpu t (DIO) channel ...

  • National Instruments NI USB-6008/6009 - page 2

    NI USB-6008/6 009 User Gu id e and Specifications 2 ni.com Figure 1. NI USB-6008/6009 T op View Figure 2. NI USB-6008/6009 Back View Table 2. Differences Between the NI USB-6008 and NI USB-6009 Featur e NI U SB-6008 NI USB-6009 AI Resolution 12 bits differential, 11 bits single-ended 14 bits differential, 13 bits single-ended Maximum AI Sample Rate ...

  • National Instruments NI USB-6008/6009 - page 3

    © National Instruments Corporation 3 NI US B-6008/600 9 User Gu ide and Specifications Dimensions Figure 3 illustrates the dimen sions of the NI USB-6008/6009 device. Figure 3. NI USB-6008/6009 in Mi llimeters (Inches) Safety Guidelines Caution Operate the NI USB-6008/600 9 only as describ ed in these oper ating instruct ions. The following sectio ...

  • National Instruments NI USB-6008/6009 - page 4

    NI USB-6008/6 009 User Gu id e and Specifications 4 ni.com Caution Do not operate the device in an e xplos iv e atmosphere or where there may be flammable gases or fumes. If yo u must operate the device in such an environment, it must be in a suitably rated enclosure. If you need to clean the de vice, use a dry cloth. Make sure that the de vice is ...

  • National Instruments NI USB-6008/6009 - page 5

    © National Instruments Corporation 5 NI US B-6008/600 9 User Gu ide and Specifications • Measurement Category II is for m easurements performed on circuits directly connected to the electrical dist ribution system. This category refers to local-le vel electrical distri b ution, such as that provided b y a standard wall outlet (for example, 115 V ...

  • National Instruments NI USB-6008/6009 - page 6

    NI USB-6008/6 009 User Gu id e and Specifications 6 ni.com LabVIEW If you are a new user, use the Getting Started with LabVIEW manual to familiarize yourself wit h th e LabVIEW graphical programming environment and the basic LabVIEW features you use to build data acquisition and instrum ent control applications. Op en the Getting Started with LabVI ...

  • National Instruments NI USB-6008/6009 - page 7

    © National Instruments Corporation 7 NI US B-6008/600 9 User Gu ide and Specifications can create channels and tasks, and wr ite your own applications in your ADE using the NI-DAQmx API. For help with NI-DA Qmx metho ds and properties, refer to the NI-D A Qmx .NET Class Library or the NI-D A Qmx V isual C++ Class Library included in the NI Measure ...

  • National Instruments NI USB-6008/6009 - page 8

    NI USB-6008/6 009 User Gu id e and Specifications 8 ni.com Library»Using the Measurement Studio .NET Class Li braries to view conceptual topics for using NI-D AQmx with V isual C# and Vi s u a l B a s i c . N E T. T o get to the same help topics fr om within V isual Studio , go to Help»Contents . Select Measurement Studio from the Filtered By dro ...

  • National Instruments NI USB-6008/6009 - page 9

    © National Instruments Corporation 9 NI US B-6008/600 9 User Gu ide and Specifications Note All NI-D A Qmx Base documentat ion for Mac OS X is installed at /Application s /National In s trument s /N I-DAQmx Ba s e/documentation . T raining Courses If you need more help getting started developing an application with NI products, NI offers training ...

  • National Instruments NI USB-6008/6009 - page 10

    NI USB-6008/6 009 User Gu id e and Specifications 10 ni.com Installing the NI USB-6008/6009 Device Before installing the device, you must install the software you plan to use with the device. Refer to the Installing the Software section of this guide and the documentat ion included with the softw are for more inform ation. Figure 4 shows ke y funct ...

  • National Instruments NI USB-6008/6009 - page 11

    © National Instruments Corporation 11 NI US B-6008/6 009 User Gu ide and Specifications 2. Figure 5 illustrates the signal labels that shi p in the NI USB -6008/6009 kit. Y ou can apply the si gnal lab els to the scre w terminal blocks for easy signal identification. Figure 5. NI USB-6008/6009 Signal Labels 3. Refer to T able 4 and Figures 5 and 6 ...

  • National Instruments NI USB-6008/6009 - page 12

    NI USB-6008/6 009 User Gu id e and Specifications 12 ni.com Note Once you label the screw terminal blocks, you must only insert them into the matching combicon jack , as indicated by the ov erlay label on the NI USB-6008/6009 device. 4. Connect the wiring to the appropriate scre w terminals. Connecting the NI USB- 6008/6009 to a Computer Plug one e ...

  • National Instruments NI USB-6008/6009 - page 13

    © National Instruments Corporation 13 NI US B-6008/6 009 User Gu ide and Specifications T able 4 lists the analog termin al assignments, and T able 5 lists the digit al terminal assignments. Table 4. Analog T erminal Assi gnments Module Te r m i n a l Signal, Single - Ended Mode Signal, Differential Mode 1 GND GND 2 AI 0 AI 0+ 3 AI 4 AI 0 – 4 GN ...

  • National Instruments NI USB-6008/6009 - page 14

    NI USB-6008/6 009 User Gu id e and Specifications 14 ni.com Table 5. Digital T erminal Assignments Module T erminal Signal 17 P0.0 18 P0.1 19 P0.2 20 P0.3 21 P0.4 22 P0.5 23 P0 6 24 P0.7 25 P1.0 26 P1 .1 27 P1.2 28 P1.3 29 PFI 0 30 +2.5 V 31 +5 V 32 GND 32 31 30 29 2 8 27 26 25 24 23 22 21 20 19 1 8 17 ...

  • National Instruments NI USB-6008/6009 - page 15

    © National Instruments Corporation 15 NI US B-6008/6 009 User Gu ide and Specifications Signal Descriptions Table 6 describes the signals available on the I/O connectors. Table 6. Signal Descriptions Signal Name Reference Dir ection Description GND — — Ground —The reference point for the single-ended AI measurements, bias current return poin ...

  • National Instruments NI USB-6008/6009 - page 16

    NI USB-6008/6 009 User Gu id e and Specifications 16 ni.com Analog Input You can connect analog input signals to the NI USB-6008 /6009 through the I/O connector. R efer to Table 6 for more informat ion about connecting analog input signals. Analog Input Circuitry Figure 7 illustrates the analog inp ut circuitry of the NI USB-6008/6009. Figure 7. An ...

  • National Instruments NI USB-6008/6009 - page 17

    © National Instruments Corporation 17 NI US B-6008/6 009 User Gu ide and Specifications AI FIFO The NI USB-6008/6009 can perform both si ngle and multiple A/D conversions of a fixed o r infinite num ber of samples. A fir st-in-first-ou t (FIFO) buffer holds data during AI acquisitions to ensure that no data is lost. Analog Input Modes You can conf ...

  • National Instruments NI USB-6008/6009 - page 18

    NI USB-6008/6 009 User Gu id e and Specifications 18 ni.com Figure 9. Example of a Differential 20 V Measurement Connecting a signal greater than ±10 V on either pin results in a clipped output. Figure 10. Exceeding ±10 V on AI Returns Clipped Output Connecting Referenced Single-Ended Vo ltage Signals To connect referenced single-ended voltage si ...

  • National Instruments NI USB-6008/6009 - page 19

    © National Instruments Corporation 19 NI US B-6008/6 009 User Gu ide and Specifications Figure 11. Connecting a Referenced Single-Ended Voltage Signal Digital T rigger When an AI task is defi n ed, you can configure PFI 0 as a digital trigger input. When the d igital trigger is enabled, the AI t ask waits for a rising or falling edge on PFI 0 befo ...

  • National Instruments NI USB-6008/6009 - page 20

    NI USB-6008/6 009 User Gu id e and Specifications 20 ni.com DACs Digital-to-analog converts (D ACs) convert digital codes to analog voltages. Connecting Analog Output Loads To connect loads to the NI USB-6008/6009, connect the positive lead of th e load to the AO terminal, and connect the ground of the load to a GND terminal. Figure 13. Con necting ...

  • National Instruments NI USB-6008/6009 - page 21

    © National Instruments Corporation 21 NI US B-6008/6 009 User Gu ide and Specifications Digital I/O Circuitry Figure 14 shows P0.<0..7> conn ected to example signals configured as digital inputs and digital outputs. You can configure P1.<0..3> similarly. Figure 14. Example of Connecting a Load Caution Exceeding the maximum input voltag ...

  • National Instruments NI USB-6008/6009 - page 22

    NI USB-6008/6 009 User Gu id e and Specifications 22 ni.com Figure 15. Example of Connecting an External User-Provided Resistor Complete the following steps to determine the v alue of the user-provided pull-up resistor: 1. Place an ammeter in se ries with the load. 2. Place a v ariable resistor between th e digital output line and the +5 V supply . ...

  • National Instruments NI USB-6008/6009 - page 23

    © National Instruments Corporation 23 NI US B-6008/6 009 User Gu ide and Specifications I/O Protection To protect the NI USB-6008/6009 ag ainst overvol tage, undervoltage, and overcurrent conditions, as well as ESD events, you shoul d avoid these fault conditions by using the follow ing guidelines: • If you configure a DIO line as an output, do ...

  • National Instruments NI USB-6008/6009 - page 24

    NI USB-6008/6 009 User Gu id e and Specifications 24 ni.com Reference and Power Sources The NI USB-6008/6009 creates an external reference and suppl ies a power source. All voltages are relative to COM unless otherw ise noted. +2.5 External References The NI USB-6008/6009 creates a high-purity referen ce voltage supply for the ADC using a multi-sta ...

  • National Instruments NI USB-6008/6009 - page 25

    © National Instruments Corporation 25 NI US B-6008/6 009 User Gu ide and Specifications Timing accuracy ........ .............. ............... 1 00 ppm of actual sample rate Input range Single-ended ............ ................ ....... ±10 V Differential ....................... .............. . ±20 V 1 , ±10 V, ±5 V, ±4 V, ±2.5 V, ±2 V, ? ...

  • National Instruments NI USB-6008/6009 - page 26

    NI USB-6008/6 009 User Gu id e and Specifications 26 ni.com Analog Output Analog outputs ......................... .............. .2 Output resolution ............. .............. .........12 bits Maximum update rate .................... .........150 Hz, software-timed Output range ... .............. .............. ............0 to +5 V Output impe ...

  • National Instruments NI USB-6008/6009 - page 27

    © National Instruments Corporation 27 NI US B-6008/6 009 User Gu ide and Specifications Compatibility ... ................. .............. ....... TTL, LVTTL, CMOS Absolute maximum voltage range ......... – 0.5 to 5.8 V with respect to GND Pull-up resistor .................. .............. ....... 4.7 k Ω to 5 V Power-on state ................. ...

  • National Instruments NI USB-6008/6009 - page 28

    NI USB-6008/6 009 User Gu id e and Specifications 28 ni.com Minimum low pulse width .......... ............100 ns Input high voltage .......................... .........2.0 V Input low voltage .......... ................. .........0.8 V Bus Interface USB specification ................. ................. .USB 2.0 Full-Speed USB bus speed ........... ...

  • National Instruments NI USB-6008/6009 - page 29

    © National Instruments Corporation 29 NI US B-6008/6 009 User Gu ide and Specifications Safety If you need to clean the module, wipe it with a dry towel. Safety Vo ltages Connect only voltages that are within these limits. Channel-to-GND ..................... .............. . ±30 V max, Measurement Category I Measurement Category I is for measur ...

  • National Instruments NI USB-6008/6009 - page 30

    NI USB-6008/6 009 User Gu id e and Specifications 30 ni.com Environmental The NI USB-6008/6009 device is int ended for indoor use only. Operating temperature (IEC 60068-2-1 and IEC 60068-2-2) . .....0 to 55 °C Operating humidity (IEC 60068-2-56) ............ .............. .........5 to 95% RH, non condensing Maximum altitude ................. ... ...

  • National Instruments NI USB-6008/6009 - page 31

    © National Instruments Corporation 31 NI US B-6008/6 009 User Gu ide and Specifications Environmental Management National Instruments i s committed to designing and manu facturing products in an environmental ly responsible mann er. NI recognizes that eliminating certa in hazardous substances from our products is beneficial not only to t he enviro ...

  • National Instruments NI USB-6008/6009 - page 32

    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 mor e informat ion about Nationa l Instruments trademarks. Other product and compan y names mentioned herein are trademarks or tr ade names of their respective companie s. For patent s covering Na ...

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