National Instruments 6008 manuale d’uso

USER GUIDE AND SPECIFICATIONS NI USB-6008/6009 This guide describes how to use the National Instruments USB-6008/6009 data acquisition (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 outpu t (AO) channels, 12 digital input/output (DIO) channels, and [...]

NI USB-6008/6 009 User Guid e and Specifications 2 ni.com Figure 1. NI USB-6008/6009 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 Rate, Single Ch[...]

© National Instruments Corporation 3 NI US B-6008/6009 User G u ide and Specifications Safety Guidelines Caution Operate the hardware only as describe d in these operating instructions. The following section contains important safety information that you must follow when installing and using the NI USB-6008/6009. Do not operate the NI USB-6008/600[...]

NI USB-6008/6 009 User Guid e and Specifications 4 ni.com Operate the device at or belo w the Measurement Cate gory I 1 . Measurement circuits are subjected to working v oltages 2 and transient stresses (ov ervoltage) from the circuit to which they are connected during measurement or test. Measurement cat egories establish standard impulse withstan[...]

© National Instruments Corporation 5 NI US B-6008/6009 User G u ide and Specifications Software Software support for t he NI USB-6008/6009 fo r Windows 2000/XP/Vista is provided by NI-DAQmx . The NI-D A Qmx CD contains example progra ms that you can use to get started programming with the NI USB-6008/ 6009. Refer to the NI-DA Qmx for USB Devices G[...]

NI USB-6008/6 009 User Guid e and Specifications 6 ni.com Hardware The following block diagram show s key functional components of the NI USB-6008/6009. Figure 3. Device Bl ock Diagram P1.<0..3> P0.<0..7> Digital I/O T erminal Block AI <0..7> AO 0 AO 1 Analog I/O T erminal Block +2.5 V/CAL +5 V/200 mA 8 Channel 12/14b ADC 12b D AC[...]

© National Instruments Corporation 7 NI US B-6008/6009 User G u ide and Specifications Setting Up Hardware Complete the f ollowing step s to set up the ha rdware: 1. Install combicon scr e w terminal blocks by inserting them into the combicon jacks. 2. Figure 4 illustrates the si gnal labels that ship i n the NI USB-6008/6 009 kit. Y ou can apply [...]

NI USB-6008/6 009 User Guid e and Specifications 8 ni.com Figure 5. Signal Label Application Diagram Note Once you label the screw terminal blocks, you must only insert them into the matching combicon jack, as indi cated by the ov erlay label on the NI USB-6008/6009 device. 4. Connect the wiring to the appropriate scre w terminals. 1 Overlay Label [...]

© National Instruments Corporation 9 NI US B-6008/6009 User G u ide and Specifications I/O Connector The NI USB-6008/6009 ship s with one detachable screw term inal block for analog signals and one detachable screw terminal block for digit al signals. These terminal blocks provide 16 connect ions that use 16 A WG to 28 AWG wire. T able 3 lists the[...]

NI USB-6008/6 009 User Guid e and Specifications 10 ni.com Table 4. 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 28 27 26 25 24 23 22 21 20 19 18 17[...]

© National Instruments Corporation 11 NI US B-6008/600 9 User Gu ide and Specifications Signal Descriptions Table 5 describes the signals available on the I/O connectors. Table 5. Signal Descriptions Signal Name Reference Dir ection Description GND — — Gro und —The reference point for the single-ended AI measurements, bias current return poi[...]

NI USB-6008/6 009 User Guid e and Specifications 12 ni.com LED The NI USB-6008/6009 device has a green LED next to the USB connector. When the device is connect ed to a USB port, the LED blinks steadily to indicate that the device is initialized and is receiving power from the connection. If the LED is not blinking, i t may mean that the device is [...]

© National Instruments Corporation 13 NI US B-6008/600 9 User Gu ide and Specifications PGA The progammable-gain amplifi er provides input gains of 1, 2, 4, 5, 8, 10, 16, or 20 when configured for differential measur ements and gain of 1 when configured for single-en ded measurements. The PGA gain is automatically calculated based on the voltage r[...]

NI USB-6008/6 009 User Guid e and Specifications 14 ni.com The dif ferential input mode can measure ± 20 V signals in the ± 20 V range. Ho wev er , the maximum voltage on any one pin is ± 10 V with respect to GND. For e xample, if AI 1 is + 10 V and AI 5 is –10 V , then th e measurement returned from the de vice is + 20 V . Figure 8. Example o[...]

© National Instruments Corporation 15 NI US B-6008/600 9 User Gu ide and Specifications Connecting Reference Singl e-Ended V oltage Signals To connect reference single-ende d volt age signals (RSE) to the NI USB-6008/6009, connect the positive voltage signal to the desired AI terminal, and the ground signal to a GND termin al. When no signals are [...]

NI USB-6008/6 009 User Guid e and Specifications 16 ni.com Analog Output The NI USB-6008/6009 has two independent AO chann els that can generate outputs from 0 –5 V. All updates of AO lines are software-timed. Analog Output Circuitry Figure 11 illustrates the analog outpu t circuitry for the NI USB-6008/6009. Figure 11. Analog Output Circuitry DA[...]

© National Instruments Corporation 17 NI US B-6008/600 9 User Gu ide and Specifications Minimizing Glitches on the Output Signal When you use a DAC to generate a wa veform, y ou may observe g litches in the output signal. These glitches are no rmal; when a DAQ switches from one voltage to an other, it produces g litches due to released charges. Th[...]

NI USB-6008/6 009 User Guid e and Specifications 18 ni.com Caution Exceeding the maximum input voltage ratin gs or maximum output ratings, which are listed in the Specifications section, can damage the D A Q de vice and the computer . National Instruments is not liable for any damage resulting from such signal connections. Source/Sink Information T[...]

© National Instruments Corporation 19 NI US B-6008/600 9 User Gu ide and Specifications 6. Select a static resistor v alue for your pull-up resistor th at is greater than or equal to the ideal resistance. 7. Re-connect the load circu it and the pull-up resistor . I/O Protection To protect the NI USB-6008/6009 ag ainst overvol tage, undervoltage, a[...]

NI USB-6008/6 009 User Guid e and Specifications 20 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 reference volt age supply for the ADC using a multi-sta[...]

© National Instruments Corporation 21 NI US B-6008/600 9 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, ± [...]

NI USB-6008/6 009 User Guid e and Specifications 22 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 impeda[...]

© National Instruments Corporation 23 NI US B-6008/600 9 User Gu ide and Specifications Compatibility ... ................. .................... . TTL, LVTTL, CMOS Absolute maximum voltag e range ......... – 0.5 to 5.8 V with respect to GND Pull-up resistor ............. ................. ......... 4.7 k Ω to 5 V Power-on state ................[...]

NI USB-6008/6 009 User Guid e and Specifications 24 ni.com Input high voltage ............................. ......2.0 V Input low voltage ..................... ...............0.8 V Bus Interface USB specification ............ ...................... .USB 2.0 full-speed USB bus speed .................... ................ ....12 Mb/s Power Requirement[...]

© National Instruments Corporation 25 NI US B-6008/600 9 User Gu ide and Specifications Safety Standards The NI USB-6008/6009 is designed to meet th e requirements of the following standards of saf ety for el ectrical equipment for measurement, control, and laboratory use: • IEC 61010-1, EN 61010-1 • UL 61010-1, CSA 61010-1 Note For UL and oth[...]

NI USB-6008/6 009 User Guid e and Specifications 26 ni.com 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, non condensing Pollution Degree (IEC 60664) .... ............ 2 Electromagnetic Compatibility This product is designed to meet the[...]

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