Manuale d’uso / di manutenzione del prodotto DAQCard-1200 del fabbricante National Instruments
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DAQ DAQCard ™ -1200 User Manual Multifunction I/O Card for the PCMCIA Bus DAQCard-1200 User Manual October 1999 Edition Part Number 3209 36B-01.
Worldwide Technical Support and Product Info rmation www.natinst.com National Instruments Corporate Headquarters 11500 North Mopac Expressway Austin, Texas 78759-3504 USA Tel: 512 794 0100 Worldwide O.
Important Information Warranty The DAQ-Card-1200 is warranted against defects in materials and workman ship for a period of one year from the date of shipment, as evidenced by receipts or other documentat ion. National Instruments will, at its opt ion, repair or replace equipment that pro ves to be defective during th e warranty p erio d.
© National Instruments Corporation v DAQCard-1200 User Manual Contents About This Manual Organization of This Manual ....................... ......................... ........... ............ .............. .... ix Conventions Used in This Manual ...
Contents DAQCard-1200 User Manual vi © National Instruments Corporation Types of Signal Sources ................... .............. ......................... ......... 3-6 Floating Signal Sources......................... .......................... ...
Contents © National Instruments Corporation vii DAQCard-1200 User Manual Analog Output .......................... ......................... .......................... ......................... .......... 4- 11 Analog Output Circuitry . ..............
Contents DAQCard-1200 User Manual viii © National Instruments Corporation Figure 3-1. DAQCard-1200 I/O Connector Pin Assignments ................ .............. ... 3-2 Figure 3-2. DAQCard-1200 Instrumentation Amplifier ......................... ....
© National Instruments Corporation ix DAQCard-1200 User Manual About This Manual This manual describes the mechanical and electrical aspects of the D A QCard-1200 and co ntains information co ncerning its installation and operation.
About This Manual DAQCard-1200 User Manual x © National Instruments Corporation • The Glossary contains an alphabetical list and description of terms used in this manual, including abbreviations, acron y ms, metric pref ixes, mnemonics, and symbols.
About This Manu al © National Instruments Corporation xi DAQCard-1200 User Manual National Instruments Documentation The DAQCard-1200 User Manual is one piece of the documentation set for your data acquisition sy stem. Y ou could hav e any of se veral types of manuals, depending on the hardware and software in your system.
About This Manual DAQCard-1200 User Manual xii © National Instruments Corporation Related Documentation The following documents contain information that you may find helpful as you read this manual: .
© National Instruments Corporation 1-1 DAQCard-1200 User Manual 1 Introduction This chapter describes the DAQCard-1200; lists what you need to get started, the optional software, and optional equipment; and explains how to unpack the DAQCard-1200. About the DAQCard-1200 Thank you for your purchase of the National Instruments DAQCard-120 0.
Chapter 1 Introduction DAQCard-1200 User Manual 1-2 © National Instruments Corporation with the PC, is a versatile, cost-ef fectiv e and portable platform for laboratory test, measurement, and co ntrol.
Chapter 1 Introduction © National Instruments Corporation 1-3 DAQCard-1200 User Manual LabVIEW and LabWindows/CVI Application Software LabVIEW and LabWindows/CVI are innovative program development software packages for data acquisition and control applications.
Chapter 1 Introduction DAQCard-1200 User Manual 1-4 © National Instruments Corporation Figure 1-1. The Relationship between the Programming Environment, NI-DAQ, and Y our Hardware Register -Level Programming The final option for programming any Natio nal In struments DAQ hardware is to write register-level software.
Chapter 1 Introduction © National Instruments Corporation 1-5 DAQCard-1200 User Manual Optional Equipment You can use the following Natio nal In struments products with your DAQCard-1200: • BNC-2081 • CB-50 or CB-50LP I/O connecto r block with a 0.
© National Instruments Corporation 2-1 DAQCard-1200 User Manual 2 Installation and Configuration This chapter describes how to install and software con figure the DAQCard-1200. Installation There are two basic steps to installing the DAQCard-1200. 1.
Chapter 2 Installation and Configuration DAQCard-1200 User Manual 2-2 © National Instruments Corporation Figure 2 -1 shows an example of a typical conf iguration.
Chapter 2 Installation and Configuration © National Instruments Corporation 2-3 DAQCard-1200 User Manual If you are using LabW i ndows/CVI, the software installation in stru ctions are in Part 1, Introduction to LabWindows/CVI , of the Getting Started with LabWindows/CVI manual.
Chapter 2 Installation and Configuration DAQCard-1200 User Manual 2-4 © National Instruments Corporation Analog Input Mode The DAQCard-1200 has three different input modes—referenced single-ended (RSE), non-referenced single-ended (NRSE), and differential (DIFF).
Chapter 2 Installation and Configuration © National Instruments Corporation 2-5 DAQCard-1200 User Manual NRSE Input (Eight Channels) NRSE input means that all signals are referenced to the same common mode voltage, which is allowed to float with respect to the analog ground of the DAQCard-1200.
Chapter 2 Installation and Configuration DAQCard-1200 User Manual 2-6 © National Instruments Corporation Analog Output Polarity The DAQCard-1200 has two channels of analog output voltage at the front panel I/O connector. You can configure each analog output channel for either unipolar or bipolar output.
© National Instruments Corporation 3-1 DAQCard-1200 User Manual 3 Signal Connections This chapter describes the signals on the DAQCard-1 200 I/O conn ector.
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-2 © National Instruments Corporation Figure 3-1. DAQCard-1200 I/O Connector Pin Assignments +5 V GATB2 CLKB1 OUTB1 OUTB0 EXTUPDATE* PC7 PC5 PC3.
Chapter 3 Signal Connections © National Instruments Corporation 3-3 DAQCard-1200 User Manual Signal Connection Descriptions The following table describes the connector pins on the DAQCard-1200 front I/O connector by pin number and gives the signal name and the significance of each signal connector pin.
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-4 © National Instruments Corporation The connector pins are grouped into analog inpu t signal pins, analog output signal pins, digital I/O signal pins, timing I/O signal pins, and po wer connections.
Chapter 3 Signal Connections © National Instruments Corporation 3-5 DAQCard-1200 User Manual How you connect analog input signals to the D A QCard-1200 depends on how you configure the card analog input circuitry and the type of input signal source.
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-6 © National Instruments Corporation The instrumentation amplifier applies gain, common-mode voltage rejection, and high-input impedance to the analog input signals connected to the D A QCard-1200.
Chapter 3 Signal Connections © National Instruments Corporation 3-7 DAQCard-1200 User Manual The dif ference in ground potential between two instruments connected to the same bu ilding po wer system is typically between 1 mV and 100 mV but can be much higher if power distrib u tion circuits are not properly connected.
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-8 © National Instruments Corporation When you conf igure the D A QCard-1200 for DIFF input, each signal uses two of the multiplexer inputs—one for the signal and one for its reference signal. Therefore, only four analog input channels are a vailable when using the DIFF configuration.
Chapter 3 Signal Connections © National Instruments Corporation 3-9 DAQCard-1200 User Manual Figure 3-3. Differential Input Connections for Grounded Signal Sour ces W ith this type of connection, the.
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-10 © National Instruments Corporation Figure 3-4. Differential In put Connections for Floating Sour ces The 100 k Ω resistors shown in Figure 3-4 create a return path to ground for the bias currents of the instrumentation amplif ier .
Chapter 3 Signal Connections © National Instruments Corporation 3-11 DAQCard-1200 User Manual Single-Ended Connection Considerations Single-ended connections are those in which all DAQCard-1200 analog input signals are referenced to one common ground.
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-12 © National Instruments Corporation Figure 3-5. Single-Ended Input Connections for Floating Signal Sour ces Single-Ended Connections for Grou.
Chapter 3 Signal Connections © National Instruments Corporation 3-13 DAQCard-1200 User Manual Figure 3-6. Single-Ended Input Connections for Grounded Signal Sour ces Common-Mode Signal Rejection Considerations Figures 3-3 and 3-6 show connections for signal sources that are already referenced to some ground point with respect to the DAQCard-1 200.
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-14 © National Instruments Corporation 2 V in unipolar mode. V in + sho uld remain with in a range of –6 to +11 V in either mode. Analog Output Signal Connections Pins 10 through 12 of the front connector are the analog output signals DAC0OUT, AGND, and DAC1OUT.
Chapter 3 Signal Connections © National Instruments Corporation 3-15 DAQCard-1200 User Manual Digital I/O Signal Connections Caution The DA QCard-1200 DIO lines ar e not pulled up or pulled down.
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-16 © National Instruments Corporation Figure 3 -8 illustrates signal connections for three typical digital I/O applications. Figure 3-8. Digita l I/O Connections In Figure 3-8, port A is configured for digital output, and ports B and C are configured for digital input.
Chapter 3 Signal Connections © National Instruments Corporation 3-17 DAQCard-1200 User Manual Port C Pin Connections The signals assigned to port C depend on how the 82C55A is configured. In mode 0 or no handshaking configuration, po rt C is configured as two 4-bit I/O ports.
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-18 © National Instruments Corporation T iming Specifications Use the handshaking lines STB* and IBF to synchronize input transfers. Use the handshaking lines OBF* and ACK* to synchronize output transfers.
Chapter 3 Signal Connections © National Instruments Corporation 3-19 DAQCard-1200 User Manual Mode 1 Input Ti ming Figure 3 -9 shows the timing specifications for an input transfer in mode 1.
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-20 © National Instruments Corporation Mode 1 Output Ti ming Figure 3 -10 shows the timing specifications for an output transfer in mode 1.
Chapter 3 Signal Connections © National Instruments Corporation 3-21 DAQCard-1200 User Manual Figure 3-11. Mode 2 T iming Specifications for Bidirectional T ransfers Name Description Minimum Maximum .
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-22 © National Instruments Corporation DAQ and General-Purpose T iming Signal Connections Pins 38 through 48 of the front connector are connections for timing I/ O signals. The DAQCard-1200 timing I/O uses two 82C53 counter/timer integrated circuits.
Chapter 3 Signal Connections © National Instruments Corporation 3-23 DAQCard-1200 User Manual In the posttrigger mode, EXTTRIG serv es as an external trigger that initiates a data acquisitio n seq uence. When you use counter A0 to time sample intervals, a rising edge on EXTTRIG starts counter A0 and the data acquisition sequence.
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-24 © National Instruments Corporation Figure 3 -14 shows a pretrigger data acquisition timing sequence using EXTTRIG and EXTCONV*. The data acquisition operation has been initiated through software.
Chapter 3 Signal Connections © National Instruments Corporation 3-25 DAQCard-1200 User Manual Figure 3-15. Interval-Scanning Signal Timing Use the final e xternal contro l signal, EXTUPD A TE*, to e xternally control updating the output voltage of the 12-b it D A Cs and/or to generate an externally timed interrupt.
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-26 © National Instruments Corporation this case is triggered b y a lo w lev el on the EXTUPD A TE* line. The counter-interrupt signal interrupts the PC. This interrupt is generated on the rising edge of EXTUPDA TE*.
Chapter 3 Signal Connections © National Instruments Corporation 3-27 DAQCard-1200 User Manual which has an internal 2 MHz clock. Refer to the DAQCard-1200 Register-Level Programmer Manual for programming information. The GA TE, CLK, and OUT signals for counters B1 and B2 are av ailable at the I/O front connector .
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-28 © National Instruments Corporation Pulsewidth measurement is performed by le vel gating. The pulse you want to measure is applied to the counter GA TE input. The counter is loaded with the known count and is programmed to count do wn while the signal at the GA TE inpu t is high.
Chapter 3 Signal Connections © National Instruments Corporation 3-29 DAQCard-1200 User Manual Figure 3-18. Frequency Measurement Application +5 V I/O Connector CLK GA TE OUT DGND D AQCard-1200 Counte.
Chapter 3 Signal Connections DAQCard-1200 User Manual 3-30 © National Instruments Corporation Figure 3 -19 shows the timing requirements for the GA TE and CLK input signals and the timing specif ications for the OUT output signals of the 82C53. Figure 3-19.
Chapter 3 Signal Connections © National Instruments Corporation 3-31 DAQCard-1200 User Manual Power Connections Pin 49 of the I/O connector sup plies +5 V from the DAQCard-120 0 power supply. This pin is referenced to DGND. You can use the +5 V to power external digital circuitry.
© National Instruments Corporation 4-1 DAQCard-1200 User Manual 4 Theor y of Operation This chapter explains the operation of each functional unit of the DAQCard-1200. Functional Over view The block diagram in Figure 4-1 shows a functional overview of the DAQCard-1200.
Chapter 4 Theory of O peration DAQCard-1200 User Manual 4-2 © National Instruments Corporation The major components of the D A QCard-1200 are as follo ws: • PC Card I/O channel interface circuitry .
Chapter 4 Theory of Ope ration © National Instruments Corporation 4-3 DAQCard-1200 User Manual When you first insert the card into your computer , the system examines information stored in the D A QCard-1200 Card Information Structure (CIS). This data is used to conf igure the card appropriately for the system in which it is used.
Chapter 4 Theory of O peration DAQCard-1200 User Manual 4-4 © National Instruments Corporation Figure 4-3. T iming Circuitry 2 MHz Source A/D Conv ersion Logic 1 MHz Source OUTB0 CLKA0 GA TEB0 OUTB0 .
Chapter 4 Theo r y of Operation © National Instruments Corporation 4-5 DAQCard-1200 User Manual Each 82C53 contains three independent 16-bit counter/timers and one 8-bit Mode R e giste r . Each counter has a CLK input pin, a G A TE input pin, and an OUT output pin.
Chapter 4 Theory of O peration DAQCard-1200 User Manual 4-6 © National Instruments Corporation Figure 4-4. Analog Input Cir cuitry Analog Input Circuitr y The analog input circuitry consists of two a.
Chapter 4 Theory of Ope ration © National Instruments Corporation 4-7 DAQCard-1200 User Manual can scan any number of channels from eight to two. Notice that the same gain setting is used for all channels in the scan sequence.
Chapter 4 Theory of O peration DAQCard-1200 User Manual 4-8 © National Instruments Corporation with a range of –2,048 to +2,047. In this mode, the MSB of the ADC result is modified to make it tw o’ s complement.
Chapter 4 Theory of Ope ration © National Instruments Corporation 4-9 DAQCard-1200 User Manual Inter val Data Acquisition In an interval data acquisition operation, a new period called the interval cycle is defined.
Chapter 4 Theory of O peration DAQCard-1200 User Manual 4-10 © National Instruments Corporation For multiple-channel data acquisition, observing the data acquisition rates in T able 4-2 ensures 12-bit accuracy .
Chapter 4 Theory of Ope ration © National Instruments Corporation 4-11 DAQCard-1200 User Manual Analog Output The DAQCard-1200 has two channels of 12-bit D/A output. Each analog output channel can provide unipolar or bipolar output. The DAQ Card-1200 also contains timing circuitry for waveform generation timed either externally or internally.
Chapter 4 Theory of O peration DAQCard-1200 User Manual 4-12 © National Instruments Corporation Power -On State Both analog outputs reach 0 V approximately 110 ms after card insertion. During this 110 ms period, the output voltage can swing from +2 to –5 V.
Chapter 4 Theory of Ope ration © National Instruments Corporation 4-13 DAQCard-1200 User Manual Digital I/O The digital I/O circuitry has an 82C55A integrated circuit. The 82C55A is a general-purpose programmable peripheral interface (PPI) containing 24 programmable I/O pins.
© National Instruments Corporation 5-1 DAQCard-1200 User Manual 5 Calibration This chapter discusses the calibration procedures for the DAQCard-1200 analog I/O circuitry. However, the DAQCard-1200 is factory calibrated, and National Instruments can recalibrate your card if necessary.
Chapter 5 Calibration DAQCard-1200 User Manual 5-2 © National Instruments Corporation Calibration at Higher Gains The DAQCard-1200 has a maximum gain erro r of 0.8%. This means that if the card is calibrated at a gain of 1, and if the gain is switched to 100, a maximum of 32 LSB error may result in the reading.
Chapter 5 Calibration © National Instruments Corporation 5-3 DAQCard-1200 User Manual When you perform analog input calibration, you must first conf igure the ADC for refere nced single-ended (RS E) mode and fo r the correct polar ity at which you want to perform data acquisition.
© National Instruments Corporation A-1 DAQCard-1200 User Manual A Specifications This appendix lists the specif ications for the D A QCard-1200. These specifications are typical at 25 °C unless othe rwise noted. Analog Input Input Characteristics Number of channels .
Appendix A Specifications DAQCard-1200 User Manual A-2 © National Instruments Corporation Maximum working voltage (signal + common mode) ............... .........Negative input/AISENSE should remain within ±6 V (bipolar) or –6 to 2 V (unipolar) of AGND Overvoltage protection .
Appendix A Specifications © National Instruments Corporation A-3 DAQCard-1200 User Manual Input bias current .................... ............... ±100 pA Input offset current ....... ........... .............. . ±100 pA CMRR .......................
Appendix A Specifications DAQCard-1200 User Manual A-4 © National Instruments Corporation Stability Recommended warm up time .................15 minutes Offset temperature coefficient Pre-gain............ .......................... ...... ±15 µ V/°C Post-gain .
Appendix A Specifications © National Instruments Corporation A-5 DAQCard-1200 User Manual V oltage Output Ranges .......................... ......................... . 0–10 V, ±5 V software selectable Output coupling.................... ... ......
Appendix A Specifications DAQCard-1200 User Manual A-6 © National Instruments Corporation Digital logic lev els Protection ............. ............ .............. .........–0.5 to 5.5 V powered on, ±0.5 V powered off Handshaking ................
Appendix A Specifications © National Instruments Corporation A-7 DAQCard-1200 User Manual Protection ............... ........... ............ ......... –0.5 to 5.5 V powered on, ±0.5 V powered off Resolution Counters/timers ............. .........
Appendix A Specifications DAQCard-1200 User Manual A-8 © National Instruments Corporation Environment Operating temperature ............. .............. .0 to 50 °C Storage temperature ................. .............. . –55 to 150 °C Relative humidity .
© National Instruments Corporation B-1 DAQCard-1200 User Manual B Differences among the Lab-PC+, the DAQPad-1200, and the DAQCard-1200 This appendix contains a summary of the functional dif ferences among the Lab-PC+, the D A QPad-1200, and the D A QCard-1200.
Appendix B Differences among the Lab-PC+, the DAQPad-1200, and the DAQCard-1200 DAQCard-1200 User Manual B-2 © National Instruments Corporation The following table summarizes the dif ferences among the three products.
© National Instruments Corporation C-1 DAQCard-1200 User Manual C Power -Management Modes This appendix describes the power -management modes of the D A QCard-1200. • Normal Mode—This is the normal operating mode of the D A QCard-1200 in which all the circuits are fully functional.
Appendix C Power -Management Modes DAQCard-1200 User Manual C-2 © National Instruments Corporation Calibration Circuitry Functional. Both analog input and analog output can be fully calibrated. The CALD A Cs default to 0 V . Nonfunctional. Draws negligible po wer .
© National Instruments Corporation D-1 DAQCard-1200 User Manual D PC Card Questions and Answers This appendix contains a list of common questions and answers relating to PC Card operation. The questions are grouped according to the type of information requested.
Appendix D PC Card Questions and Answers DAQCard-1200 User Manual D-2 © National Instruments Corporation 2. My computer locks up when I use a PC Card. What should I do? This usually happens because Card Services allocated an unusable interrupt l e v el to the PC Card.
Appendix D PC Card Questions and Answers © National Instruments Corporation D-3 DAQCard-1200 User Manual are being used for R OM access, then you know that C8000–D3FFF is an in valid range for Card Services and should be changed to CA000–D3FFF . 3.
Appendix D PC Card Questions and Answers DAQCard-1200 User Manual D-4 © National Instruments Corporation Resource Conflicts 1. How do I r esolve conflicts between my memory manager and Card Services? Card Services can usually use memory space that is not being used for real RAM on the system.
© National Instruments Corporation E-1 DAQCard-1200 User Manual E T echnical Support Resources This appendix describes the comprehensiv e resources av ailab le to yo u in the T echnical Sup port sect.
DAQCard-1200 User Manual E-2 © National Instruments Corporation Software-Related Resources • Instrument Driver Network —A library with hundreds of instrument dri v ers for contro l of standalone instruments via GPIB, VXI, or serial interfaces.
© National Instruments Corporation G-1 DAQCard-1200 User Manual Glossar y Pref ix Meanings V alue p- pico- 10 –1 2 n- nano- 10 –9 µ- micro- 10 –6 m- milli- 10 –3 k- kilo- 10 3 M- mega- 10 6 .
Glossary DAQCard-1200 User Manual G-2 © National Instruments Corporation AIGND analog input ground signal A WG American W ire Gauge B BCD binary-coded decimal C C Celsius CE card enable signal CLK cl.
Glossary © National Instruments Corporation G-3 DAQCard-1200 User Manual DMA direct memory access—a method b y which data can be transferred to/from computer memory from/to a de vice or memory on the bus while the processor does something else. DMA is the fastest method of transferring data to/from comp uter memory .
Glossary DAQCard-1200 User Manual G-4 © National Instruments Corporation H hex he xadecimal Hz hertz—the number of scans read or updates w ritten per second I in.
Glossary © National Instruments Corporation G-5 DAQCard-1200 User Manual O OUT output signal P PCMCIA an expansion bus architecture that has found widespread acceptance as a de facto standard in notebook-size computers. It originated as a specification for add-on memory cards written b y the Personal Computer Memory Card International Association.
Glossary DAQCard-1200 User Manual G-6 © National Instruments Corporation V V volts VCC positi ve supply voltage from the PCMCIA bus (usually +5V) V DC v olts, direct current VI virtual instrument—(.
© National Instruments Corporation I-1 DAQCard-1200 User Manual Index Numbers +5 V signal (table), 3-4 1200_Calibrate function, 5-2 to 5-3 A A CH<0.
Index DAQCard-1200 User Manual I-2 © National Instruments Corporation grounded signal sources, 3-8 to 3-9 single-ended connections, 3-11 to 3-13 when to use, 3-8 exceeding maximum input v oltage rati.
Index © National Instruments Corporation I-3 DAQCard-1200 User Manual D D A C OUTPUT UPD A TE signal, 3-25 to 3-26 D A C0OUT signal (table), 3-3 D A C1OUT signal (table), 3-3 D A CWR T signal, 3-26 D.
Index DAQCard-1200 User Manual I-4 © National Instruments Corporation digital I/O signal connections illustration, 3-16 pins, 3-15 Port C pin connections, 3-17 timing specifications, 3-18 to 3-21 mod.
Index © National Instruments Corporation I-5 DAQCard-1200 User Manual I IBF signal (table), 3-18 input configurations dif ferential connection considerations, 3-7 to 3-8 floating signal sources dif f.
Index DAQCard-1200 User Manual I-6 © National Instruments Corporation PC Card configuration, D-1 I/O channel interface circuitry block diagram, 4-2 theory of operation, 4-2 to 4-3 operation, D-1 to D-2 resource conflicts, D-4 r e s o u r c e s , D - 2t oD - 3 PC<0.
Index © National Instruments Corporation I-7 DAQCard-1200 User Manual pins, 3-4 recommended input configurations (table), 3-7 single-ended connections floating signal sources (RSE conf iguration), 3-.
Index DAQCard-1200 User Manual I-8 © National Instruments Corporation analog output, 4-11 to 4-12 circuitry , 4-11 D A C timing, 4-12 power -on state, 4-12 block diagram of D A QCard-1200, 4-1 digita.
Un punto importante, dopo l’acquisto del dispositivo (o anche prima di acquisto) è quello di leggere il manuale. Dobbiamo farlo per diversi motivi semplici:
Se non hai ancora comprato il National Instruments DAQCard-1200 è un buon momento per familiarizzare con i dati di base del prodotto. Prime consultare le pagine iniziali del manuale d’uso, che si trova al di sopra. Dovresti trovare lì i dati tecnici più importanti del National Instruments DAQCard-1200 - in questo modo è possibile verificare se l’apparecchio soddisfa le tue esigenze. Esplorando le pagine segenti del manuali d’uso National Instruments DAQCard-1200 imparerai tutte le caratteristiche del prodotto e le informazioni sul suo funzionamento. Le informazioni sul National Instruments DAQCard-1200 ti aiuteranno sicuramente a prendere una decisione relativa all’acquisto.
In una situazione in cui hai già il National Instruments DAQCard-1200, ma non hai ancora letto il manuale d’uso, dovresti farlo per le ragioni sopra descritte. Saprai quindi se hai correttamente usato le funzioni disponibili, e se hai commesso errori che possono ridurre la durata di vita del National Instruments DAQCard-1200.
Tuttavia, uno dei ruoli più importanti per l’utente svolti dal manuale d’uso è quello di aiutare a risolvere i problemi con il National Instruments DAQCard-1200. Quasi sempre, ci troverai Troubleshooting, cioè i guasti più frequenti e malfunzionamenti del dispositivo National Instruments DAQCard-1200 insieme con le istruzioni su come risolverli. Anche se non si riesci a risolvere il problema, il manuale d’uso ti mostrerà il percorso di ulteriori procedimenti – il contatto con il centro servizio clienti o il servizio più vicino.
