National Instruments NI USB-6008 manuale d’uso

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[...]

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 USB -6008 NI USB-6009 AI Resolution 12 bits dif ferential, 11 bits single-ended 14 bits differential, 13 bits single-ended Maximum AI Sample Rat[...]

© 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[...]

NI USB-6008/6 009 User Gu id e and Specifications 4 ni.com Do not operate the device in an e xpl osi ve atmosphere or where there may be flammable gases or fumes. If you must operate the device in such an en vir onment, 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 complet[...]

© 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[...]

NI USB-6008/6 009 User Gu id e and Specifications 6 ni.com LabVIEW If you are a ne w user , use the Getting Started wit h LabVIEW manual to familiarize yourself with the LabVIEW graphical program ming en vironm ent and the basic LabVIEW features you use to build data acquisition and instrum ent control applications. Op en the Getting Started with L[...]

© National Instruments Corporation 7 NI US B-6008/600 9 User Gu ide and Specifications based on your task or channel in Measurement Studio. Refer to the DAQ Assistant Help for additional info rmation about ge nerating code. Y ou also can create channels and tasks, and write your own applications in your ADE using the NI-D A Qmx API. For help with [...]

NI USB-6008/6 009 User Gu id e and Specifications 8 ni.com Library»Reference to vie w th e function reference. Expand NI Measureme nt Studio Help»NI Measuremen t Studio .NET Class Library»Using the Measurement Studio .NET Class Libraries 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 th[...]

© National Instruments Corporation 9 NI US B-6008/600 9 User Gu ide and Specifications Note All NI-D A Qmx Base documentation for Linux is install ed at /usr/local/natinst/nidaqmxbase/docum entation . Note All NI-D A Qmx Base documentat ion for Mac OS X is installed at /Applications/National Instruments/N I-DAQmx Base/documentation . T raining Cou[...]

NI USB-6008/6 009 User Gu id e and Specifications 10 ni.com Note For information about non-Wi ndows operating system support, refer to ni.com/ info and enter BaseGSGML . 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 [...]

© National Instruments Corporation 11 NI US B-6008/6 009 User Gu ide and Specifications Setting Up the NI USB-6008/6009 Device Complete the following steps to set up the NI USB-6008/ 6009: 1. Install combicon scr ew terminal blocks by inserting them into the combicon jacks. 2. Figure 5 illustrates the signal labels that shi p in the NI USB -6008/6[...]

NI USB-6008/6 009 User Gu id e and Specifications 12 ni.com Figure 6. Signal Label Application Diagram 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. 1 Overlay Labe[...]

© National Instruments Corporation 13 NI US B-6008/6 009 User Gu ide and Specifications Connecting the NI USB- 6008/6009 to a Computer Plug one end of the USB cable into the NI USB-6008/6009 and the other end into an available USB port on the computer. LED Indicator The NI USB-6008/6009 device has a green LED next to the USB connector. The LED in [...]

NI USB-6008/6 009 User Gu id e and Specifications 14 ni.com I/O Connector The NI USB-6008/6009 ship s with one detachable screw terminal block for analog signals and one detachable scre w terminal block for digital signals. These terminal blocks provide 16 connect ions that use 16 A WG to 28 AWG wire. T able 4 lists the analog terminal assignmen ts[...]

© National Instruments Corporation 15 NI US B-6008/6 009 User Gu ide and Specifications 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[...]

NI USB-6008/6 009 User Gu id e and Specifications 16 ni.com Signal Descriptions Table 6 describes the signals available on the I/O connectors. Table 6. Signal Descriptions Signal Name Reference Dir ection Description GND — — Gro und —The reference point for the single-ended AI measurements, bias current return point for dif ferential mode mea[...]

© National Instruments Corporation 17 NI US B-6008/6 009 User Gu ide and Specifications Analog Input You can connect analog input signals to the NI USB-6008 /6009 through the I/O connector. Refer to Table 6 for more informat ion about connecting analog input signals. Analog Input Circuitr y Figure 7 illustrates the analog inp ut circuitry of the N[...]

NI USB-6008/6 009 User Gu id e and Specifications 18 ni.com 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 configure the AI channels on the [...]

© National Instruments Corporation 19 NI US B-6008/6 009 User Gu ide and Specifications 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 Reference Singl e-Ended V oltage Signals To connect refer[...]

NI USB-6008/6 009 User Gu id e and Specifications 20 ni.com Figure 11. Co nnecting a Reference Si ngle-Ended V oltage 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 i s enabled, the AI task waits for a rising or falling edge on P FI 0 before starti ng the acquisiti[...]

© National Instruments Corporation 21 NI US B-6008/6 009 User Gu ide and Specifications DACs Digital-to-analog convert s (DACs) 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 ter[...]

NI USB-6008/6 009 User Gu id e and Specifications 22 ni.com 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 voltage ratin gs or maximum output [...]

© National Instruments Corporation 23 NI US B-6008/6 009 User Gu ide and Specifications Figure 15. Example of Connecting an Exte rnal 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 ou[...]

NI USB-6008/6 009 User Gu id e and Specifications 24 ni.com I/O Protection To protect the NI USB-6008/6009 ag ainst overvol tage, undervoltage, and overcurrent conditions, as well as ESD events, you should avoid these fault conditions by using the follow ing guidelines: • If you configure a DIO line as an output, do not connect it to any external[...]

© National Instruments Corporation 25 NI US B-6008/6 009 User Gu ide and Specifications 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 [...]

NI USB-6008/6 009 User Gu id e and Specifications 26 ni.com 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, ±1.25 V, ±1 V Working voltag[...]

© National Instruments Corporation 27 NI US B-6008/6 009 User Gu ide and Specifications Analog Output Analog outputs ..................... .............. .... 2 Output resolution..................... .............. . 12 bits Maximum update rate ................ ... ......... 150 Hz, software-timed Output range ...................... ..............[...]

NI USB-6008/6 009 User Gu id e and Specifications 28 ni.com 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 ...................... ................. .Inpu[...]

© National Instruments Corporation 29 NI US B-6008/6 009 User Gu ide and Specifications 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-S[...]

NI USB-6008/6 009 User Gu id e and Specifications 30 ni.com 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 measurements performed on circuits no[...]

© National Instruments Corporation 31 NI US B-6008/6 009 User Gu ide and Specifications Maximum altitude ........... .............. ......... 2,000 m (at 25 °C ambient temperature) Storage temperature (IEC 60068-2-1 and IEC 60068-2-2) ..... – 40 to 85 °C Storage humidity (IEC 60068-2-56) ...................... ... ......... 5 to 90% RH, noncon[...]

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