Manuel d'utilisation / d'entretien du produit PCI-1200 du fabricant National Instruments
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DAQ PCI-1200 User Manual Multifunction al I/O Board for P CI Bus Computers PCI-120 0 User Manual July 199 8 Edition Part Numb er 32094 2C-01.
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Important Information Warrant y The PCI-1200 is warranted agains t defects in mater ials and workmans hip for a period of one year from the date of shipment, as evidenced by receipts or other documentation . National Instruments will, at its option, repair or replace equipment th at proves to be defecti ve during the war ranty period.
© Nationa l Instrume nts Cor poration v PCI-1200 Us er Manu al Contents About This M anual Organization of Th is Manual ............... ........... ................. ................. ................. ........... . ix Convention s Used in This Manual.
Contents PCI-1200 U ser M anual vi © Nati onal Ins truments Corporat ion Types of Signal Sources .............. ................. ........... ................. ........ 3-7 Floating Signal Sources .................. ........... ................. ....
Contents © Nationa l Instrume nts Cor poration vii PCI-1200 Us er Manu al Analog Output Circ uitry ........ ................. ................. ........... ................. ............ 4-11 DAC Timing .................... ........... ..............
Contents PCI-1200 U ser M anual viii © Nati onal Ins truments Corporat ion Figure 3-16. General Purpose Timing Signals .......... ............ ................. ................. .. 3-26 Figure 3-17. Mode 1 Timing Sp ecifications for Inp ut Transfers.
© Nationa l Instrume nts Cor poration ix PCI-120 0 User Manu al About This Manual This manual describes the electrical and mechanical aspects of the PCI-1200 and co ntains information con cerning its operation and programmi ng. The PCI-1200 is a low-cost multifunction analog, digital, an d timing board.
About This Ma nual PCI-1200 U ser M anual x © Nati onal Ins truments Corporat ion Conventions Used in This Manual The follo wing con ventions ar e used in this manual: < > Angle brack ets enclose the name of a ke y on the k eyboard — for example, <shift>.
About This Ma nual © Nationa l Instrume nts Cor poration xi PCI-120 0 User Manu al National Instruments Documentation The PCI-120 0 User Manu al is one piece of the do cumentation set for yo ur D A Q system. Y ou could ha ve an y of se veral type s of manual s, depend ing on the hard ware and softw are in your system.
About This Ma nual PCI-1200 U ser M anual xii © Nati onal Ins truments Corpor ation Related Documentation The follo wing National In struments document contain s information that you may f ind helpfu.
© Nationa l Instrume nts Cor poration 1-1 PCI-1200 Us er Manu al 1 Introduction This chapter descr ibes the PCI-1200, lists what you need to ge t started, software progr amming choices, and optional equipment, and explains how to build custo m cables and unpack the PCI-1200.
Chapter 1 Introduction PCI-1200 U ser M anual 1-2 © Nati onal Ins truments Corporat ion – NI-D A Q for Macintosh – NI-D A Q for PC compatib les – V i rtualBench ❑ Y our comput er Unpacking Your PCI-1200 is s hipped in an antistatic packag e to prevent electrostatic damage to the bo ard.
Chapter 1 Intro duction © Nationa l Instrume nts Cor poration 1-3 PCI-1200 Us er Manu al LabVIEW . The LabVIEW Da ta Acquisit ion VI Librar y is func tionally equi v alent to the NI-D A Q software. LabW indows /CVI features interacti ve gr aphics, a state-of -the-art user interface, and uses the ANSI standard C programming lan guage.
Chapter 1 Introduction PCI-1200 U ser M anual 1-4 © Nati onal Ins truments Corporat ion minimal modif ications to yo ur code. Whet her you ar e using con vent ional programmi ng languages , LabVIEW , LabW indow s/CVI, or oth er application softwa re, your application u ses the NI-D A Q driv er softwar e, as illustrated in Figure 1 -1.
Chapter 1 Intro duction © Nationa l Instrume nts Cor poration 1-5 PCI-1200 Us er Manu al Optional Equipment National Instrum ents off ers a va riety of p roducts t o use with your PC I-1200 board, in.
Chapter 1 Introduction PCI-1200 U ser M anual 1-6 © Nati onal Ins truments Corporat ion The mating connector for the PC I-1200 is a 50-positio n, polarized, ribbon socket conn ector with strain relief. National Ins truments uses a polarized (ke yed) connecto r to pre vent inadvertent u pside-do wn connection to the PCI-1200.
© Nationa l Instrume nts Cor poration 2-1 PCI-1200 Us er Manu al 2 Installation and Configuration This chapter describes how to install and config ure your PCI-1200.
Chapter 2 Installat ion and Conf igurat ion PCI-1200 U ser M anual 2-2 © Nati onal Ins truments Corporat ion Board Configuration The PCI-1 200 is compl etely soft ware configur able. The PCI -1200 is ful ly compliant with the PCI Local Bus Specification , Revision 2.
Chapter 2 Installat ion and Confi guration © Nationa l Instrume nts Cor poration 2-3 PCI-1200 Us er Manu al Analog Ou tput Po larity The PCI-120 0 has two channels of analo g output vol tage at the I/O connector. Yo u can configure each analog output chann el for either unipolar or bipolar output.
Chapter 2 Installat ion and Conf igurat ion PCI-1200 U ser M anual 2-4 © Nati onal Ins truments Corporat ion While read ing the fo llo wing para graphs, yo u may f ind it h elpful t o refer to the An.
Chapter 2 Installat ion and Confi guration © Nationa l Instrume nts Cor poration 2-5 PCI-1200 Us er Manu al Considerat ions for using the NRS E conf iguration ar e discus sed in Chapte r 3, Sig nal Co nne ctio ns .
© Nationa l Instrume nts Cor poration 3-1 PCI-1200 Us er Manu al 3 Signal Connections This chapt er describes how t o make input and output si gnal connection s to the PCI-1 200 board via th e board I/O co nnector and det ails the I/O timi ng specifications.
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-2 © Nati onal Ins truments Corporat ion Figu re 3-1 . PCI-1200 I/O Connect or Pin Assig nments Signal Conne ction Descriptio ns The fo llowing t.
Chapter 3 Signal Conne ctions © Nationa l Instrume nts Cor poration 3-3 PCI-1200 Us er Manu al Table 3- 1. Signa l Desc ripti ons for PCI-12 00 I/O Conn ector Pin s Pin S ign al Name Direction Refer ence D escription 1-8 A CH<7..0> AI A GND Analog Channel 7 through 0 — Anal og input ch annels 0 t hrough 7.
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-4 © Nati onal Ins truments Corporat ion The connector pins are grouped into analog input si gnal pins, an alog outpu t signal p ins, digit al I/O s ignal pi ns, timing I/O sig nal pins, and p ow er connections.
Chapter 3 Signal Conne ctions © Nationa l Instrume nts Cor poration 3-5 PCI-1200 Us er Manu al Analog Inpu t Signal Conn ections Pins 1 t hrough 8 are an alog input signal pins for t he 12-bit ADC.
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-6 © Nati onal Ins truments Corporat ion Ho w you con nect analog i nput sign als to th e PCI-1200 dep ends o n ho w you conf igure the PC I-1200 anal og input ci rcuitry and the type of input sign al source.
Chapter 3 Signal Conne ctions © Nationa l Instrume nts Cor poration 3-7 PCI-1200 Us er Manu al grounded source, you must use a nonreferenced in put connecti on at the PCI-12 00.
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-8 © Nati onal Ins truments Corporat ion and groun d-referenced s ignal sources . Table 3-4 summarizes the recommended input config urations f or both ty pes of sig nal sources.
Chapter 3 Signal Conne ctions © Nationa l Instrume nts Cor poration 3-9 PCI-1200 Us er Manu al Differential Connection Considerations (DIFF Con figuration) Differential connections are those in which each PCI-1200 analog inpu t signal has its own reference sign al or signal return path.
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-10 © Nati onal Ins truments Corporat ion Differential Connections for Grounded Signal Sources Figure 3-3 shows ho w to connect a g round-refer enced sign al source to a PCI-12 00 board configu red for DIFF inpu t.
Chapter 3 Signal Conne ctions © Nationa l Instrume nts Cor poration 3-11 PCI-1200 Us er Manu al Differential Connections for F loating Signal Sources Figure 3-4 shows ho w to connect a f loating signal so urce to a PCI- 1200 board configured for DIFF inp ut.
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-12 © Nati onal Ins truments Corporat ion resulting in uncontro llable drift and possible satu ration in the amplifier .
Chapter 3 Signal Conne ctions © Nationa l Instrume nts Cor poration 3-13 PCI-1200 Us er Manu al Single-Ended Connections for Floating Si gnal Sources (RSE Configuration) Figure 3-5 shows ho w to connect a f loating signal so urce to a PCI- 1200 board conf igured fo r RSE mode.
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-14 © Nati onal Ins truments Corporat ion RSE configur ation, this differen ce in ground potentials appears as an erro r in the measured voltage. Figure 3-6 sho ws how to connect a gr ounded sig nal sourc e to a PCI-12 00 board configured in the NRSE conf iguration.
Chapter 3 Signal Conne ctions © Nationa l Instrume nts Cor poration 3-15 PCI-1200 Us er Manu al The common -mode input ran ge for the P CI-1200 depends on the size of the dif fer enti al inp ut sig nal (V diff = V + in – V – in ) and the gain setting of the instrum entation am plif ier .
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-16 © Nati onal Ins truments Corporat ion Figu re 3-7 shows how to make analo g ou tput s igna l conn ect ions . Figur e 3-7. Ana log Outp ut Si gnal Co nnec tions Digital I/O Signal Co nnections Pins 13 throu gh 37 of t he I/O conn ector are digit al I/O sig nal pins.
Chapter 3 Signal Conne ctions © Nationa l Instrume nts Cor poration 3-17 PCI-1200 Us er Manu al Logical Inp uts and Output s • Absolute max voltage rating – 0.5 to +5.5 V with respect to DGND • Digital I/O lines: – Input logic lo w voltage – 0.
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-18 © Nati onal Ins truments Corporat ion Figure 3- 8. Digital output applications includ e sending TTL sign als and dri ving e xternal de vices such as the LED s how n in Figure 3-8.
Chapter 3 Signal Conne ctions © Nationa l Instrume nts Cor poration 3-19 PCI-1200 Us er Manu al timi ng, a nd th e ot her, 82C53 (B) , is a vail able for g ener al u se. U se pi ns 38 through 4 0 and pin 43 to carr y external signals for DAQ timing. These signals ar e explained in the n ext section, DAQ Tim ing Co nnections .
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-20 © Nati onal Ins truments Corporat ion of EXTCONV*. Further transitions on the EXTTRIG line h av e no ef fect until a ne w D A Q sequence is establ ished. Figure 3-10 shows a possible controlled D A Q seq uence using EXTCONV* and EXTTRIG.
Chapter 3 Signal Conne ctions © Nationa l Instrume nts Cor poration 3-21 PCI-1200 Us er Manu al Figur e 3-11 . Pretrigg er DAQ Timin g For interv al scanning data acquisition, co unter B1 determines the scan interv al. Instead of using coun ter B1, you can ext ernally time th e scan interval through OUTB1.
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-22 © Nati onal Ins truments Corporat ion Figu re 3-12. I nter va l-Scanni ng S ignal Timing Y ou use the f inal e xternal control signal, EXTUPD A TE*, to externally control u pdating the o utput v oltage of the 12-bi t D A Cs and/or t o generate an ex ternally timed interrupt.
Chapter 3 Signal Conne ctions © Nationa l Instrume nts Cor poration 3-23 PCI-1200 Us er Manu al Figu re 3-13. EXTUPDA TE* Signal Tim ing for Updating DAC Outp ut The absolute max voltage input rating for the EXTCONV*, EXTTRIG, OUTB1, and EXTUPD A TE* signals is – 0.
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-24 © Nati onal Ins truments Corporat ion Figu re 3-14. Event-Countin g Appl ication w ith Exte rnal Sw itch Gatin g Pulse-widt h measuremen t is perfor med by le ve l gating . The puls e you wan t to measure is applied to the counter GA TE input.
Chapter 3 Signal Conne ctions © Nationa l Instrume nts Cor poration 3-25 PCI-1200 Us er Manu al generate the g ate signal in this app lication. If you use a s econd counter , howe ver , you mu st externally inv ert the si gnal.
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-26 © Nati onal Ins truments Corporat ion • 82C53 digital output specif ications (referenced to DGND): – V oh output l ogic high volt age 3.7 V min — – V ol output logic low v oltag e — 0.
Chapter 3 Signal Conne ctions © Nationa l Instrume nts Cor poration 3-27 PCI-1200 Us er Manu al Ti ming Specif icatio ns Use the h andshaking l ines STB* and IBF to synchron ize input tr ansfers. Use the h andshaking l ines OBF* and ACK* to synchroni ze output transfers.
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-28 © Nati onal Ins truments Corporat ion Mode 1 In put Timing The timing specifications for an input transfer in m ode 1 are as follows: Figu re 3- 17.
Chapter 3 Signal Conne ctions © Nationa l Instrume nts Cor poration 3-29 PCI-1200 Us er Manu al Mode 1 Ou tput Timing The timing specifications for an output trans fer in mode 1 are as follows: Figur e 3-18.
Chapter 3 Signal Connect ions PCI-1200 U ser M anual 3-30 © Nati onal Ins truments Corporat ion Mode 2 Bid irectional Timing The timing specifications for bidirectional transfers in mode 2 are as follows: Figur e 3-19.
© Nationa l Instrume nts Cor poration 4-1 PCI-1200 Us er Manu al 4 Theor y of Operation This chapter explain s the operation of each functional unit o f the PCI-1200. Functional Overview The block diagram in Fi gure 4-1 s hows a fun ctional overvi ew of the PCI-12 00 board.
Chapter 4 Theor y of Op eratio n PCI-1200 U ser M anual 4-2 © Nati onal Ins truments Corporat ion • Digital I/O circuitry • Calibration ci rcuitry The internal data and control b uses interconnect the compon ents. The rest of this chapter explains the theo ry of operation of each of the PCI-1 200 components.
Chapter 4 Theor y of Op eratio n © Nationa l Instrume nts Cor poration 4-3 PCI-1200 Us er Manu al The PCI-1200 gen erates an interrup t in the following fi ve cases (each of these interrupts is indiv idually enabled and cleared): • When a single A/D con v ersion can be read from the A/D FIFO memory .
Chapter 4 Theor y of Op eratio n PCI-1200 U ser M anual 4-4 © Nati onal Ins truments Corporat ion Figu re 4-3. Timing Circuitr y Each 82C53 contains three independent 16-bit counter/tim ers and one 8-bit mode re gister . Each counter has a CLK input pin, a GA TE input p in, and an OUT output pin.
Chapter 4 Theor y of Op eratio n © Nationa l Instrume nts Cor poration 4-5 PCI-1200 Us er Manu al timing, or you can use the three ex ternal timing signals, EXTCONV*, EXTTRIG, and EXTUPD A TE*, for D A Q and D A C timing. The second group o f counter/ timers i s called grou p B and in cludes B0, B1, and B2.
Chapter 4 Theor y of Op eratio n PCI-1200 U ser M anual 4-6 © Nati onal Ins truments Corporat ion Analog Inpu t Circuitr y The analog input circuitry consists of two analog input multiplexers, multiplexer (mux) co unter/gain select circuitry, a software-progr ammable gain amplifier, a 12-bit ADC, and a 16-bit sign -extended FIFO memory.
Chapter 4 Theor y of Op eratio n © Nationa l Instrume nts Cor poration 4-7 PCI-1200 Us er Manu al Stanl ey P . Lips hi tz, Jour nal o f the Aud io En gine eri ng Soc iety , V ol. 35, No. 12, Dec. 1987. The PCI-1200 us es a 12-bit successi ve-appr oximation ADC.
Chapter 4 Theor y of Op eratio n PCI-1200 U ser M anual 4-8 © Nati onal Ins truments Corporat ion counts t he total number of samples t aken dur ing a contro lled operatio n, or throug h software control i n a freerun operat ion.
Chapter 4 Theor y of Op eratio n © Nationa l Instrume nts Cor poration 4-9 PCI-1200 Us er Manu al repeat this process ev ery 65 ms, then you shou ld def ine the operation as follows: • Start channe.
Chapter 4 Theor y of Op eratio n PCI-1200 U ser M anual 4-10 © Nati onal Ins truments Corporat ion DAQ Rates Maximum DAQ rates (number of samples per second) are determined by the conversion period of the ADC plus the sample- and-hold acquisition time.
Chapter 4 Theor y of Op eratio n © Nationa l Instrume nts Cor poration 4-11 PCI-1200 Us er Manu al The recommended D A Q rates in T able 4-2 assume that voltage lev els on all the channels included in the scan sequence are within range for the giv en gain and ar e dri ven b y lo w-impedance sources.
Chapter 4 Theor y of Op eratio n PCI-1200 U ser M anual 4-12 © Nati onal Ins truments Corporat ion vo ltage increment correspon ding to an LSB cha nge in the digital code word. For both outp uts: DAC T iming There are two mod es in which you can update the DAC voltages.
Chapter 4 Theor y of Op eratio n © Nationa l Instrume nts Cor poration 4-13 PCI-1200 Us er Manu al All three ports o n the 82C55A are TTL-compatible. When enabled, the digit al outp ut po rts a re ca pabl e of sinki ng 2. 5 mA of cu rre nt an d sou rci ng 2.
© Nationa l Instrume nts Cor poration 5-1 PCI-1200 Us er Manu al 5 Calibration This chapter discusses the calibration procedures for the PCI-1200 analog I/O circui try. However, the PCI-1200 i s factory cali brated, and N ational Instruments can recalibrate your unit if needed.
Chapter 5 Calibration PCI-1200 U ser M anual 5-2 © Nati onal Ins truments Corporat ion If you us e the PC I-1200 wit h NI-D A Q, LabVIEW , LabW indo ws/CVI, or other appl ication software, the f acto.
Chapter 5 Calibration © Nationa l Instrume nts Cor poration 5-3 PCI-1200 Us er Manu al Using the Calibration Function The Calibrate_1200 function and the 1200 Calib rate VI can either load the calibr.
© Nationa l Instrume nts Cor poration A-1 PCI-1200 Us er Manu al A Specifications This appendix lists the PCI-12 00 specif ications. These specif ications are typical at 25 ° C unless other wise stated. Analog Inpu t Input Characte ristics Number of channels .
Appendix A Spec ification s PCI-1200 U ser M anual A-2 © Nati onal Ins truments Corporat ion Max working v oltage ................... ...........In DIFF or NRSE (signal + comm on mode) ............. ...........mode, the nega tive input/AISENSE s hould rem ain within ±5 V of AGND (bipolar), or – 5 to 2 V (u nipo lar ).
Appendix A Specific ations © Nationa l Instrume nts Cor poration A -3 PCI -1200 Use r Manual Powered off ........... ............ .............. 4.7 k Ω mi n Overload................ ................. ......... 4.7 k Ω min Input bias current ....
Appendix A Spec ification s PCI-1200 U ser M anual A-4 © Nati onal Ins truments Corporat ion Offset temperature coeff icient Pregain ...................... ............ ...........±15 µV/ ° C Postgain ............... ................. ...........±100 µV/ ° C Gain temperature coeff icient .
Appendix A Specific ations © Nationa l Instrume nts Cor poration A -5 PCI -1200 Use r Manual Syst em n oise is the amount of noise seen b y the ADC when there is no signal present at the in put of the board.
Appendix A Spec ification s PCI-1200 U ser M anual A-6 © Nati onal Ins truments Corporat ion gain amplifier . After the input multiplexers are switched, the amplifier must be allo wed to settl e to the ne w input signal v alue to within 12-bit accuracy .
Appendix A Specific ations © Nationa l Instrume nts Cor poration A -7 PCI -1200 Use r Manual Power-on state ... ................. ................. ... 0 V Dynamic Characte ristics Settling time to full- scale range (FSR) .. 5 µs Stabili ty Offset temperature coefficient .
Appendix A Spec ification s PCI-1200 U ser M anual A-8 © Nati onal Ins truments Corporat ion Power-on state ...... ........... ................. ......All ports mode 0 input Protection .............. ........... ................. ...... – 0.5 to 5.
Appendix A Specific ations © Nationa l Instrume nts Cor poration A -9 PCI -1200 Use r Manual Protection ................ ................. .............. – 0 .5 to 5.5 V powered o n, ±0.5 V powered off Data transfer ................. .............
© Nationa l Instrume nts Cor poration B -1 PCI -1200 Use r Manual B Customer Communication Fo r your con veni ence, this appendix cont ains forms t o help you g ather the i nformation nec essary to help us solv e your technical p roblems and a form you can us e to comment on the pro duct documentation.
PCI-1200 U ser M anual B-2 © Nati onal Ins truments Corporat ion Fax-on-Demand Support Fax -on-Demand is a 24-hou r information retrie v al system containin g a library of documen ts on a wide range of techn ical information. Y ou can access Fax- on-Demand f rom a touch-ton e telephone at 512 418 1111.
T echnical Support Form Photocopy this form and update it each time y ou make chan ges to your sof tware or hardw are, and use the completed cop y of this form as a reference f or your current co nfigu ration.
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PCI-1200 Hardware and Software Configuration Form Record the settings and re visions of y our hardw are and softw are on the line to the right of each item. Complete a ne w copy of this form each time you re vise your softw are or hardwa re conf iguration, and use this form as a reference for yo ur current conf iguration.
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Documentation Comment Form Nation al Instrumen ts encourages you to commen t on the do cumentation s upplied wi th our prod ucts. This in formation h elps us pro vide quality pro ducts to m eet your needs.
© Nationa l Instrume nts Cor poration G-1 PCI-1200 Us er Manu al Glossar y Pref ix M eanings V alue p- pico 1 0 – 12 n- nan o- 10 – 9 µ- micro- 10 – 6 m- milli- 10 – 3 k- kilo- 10 3 M- meg a.
Gloss ar y PCI-1200 U ser M anual G-2 © Nation al Ins truments Corporat ion A A amperes A C alternating current A CH <0..7> analog ch annel 0 thro ugh 7 sign als A CK* ackno w ledge input s ign.
Glos sary © Nationa l Instrume nts Cor poration G-3 PCI-1200 Us er Manu al D D/A digital-to-analog D AC di gital-to-analog con verter — an electronic de vice, often an integ rated circuit, that con.
Gloss ar y PCI-1200 U ser M anual G-4 © Nation al Ins truments Corporat ion EXTCONV* external con vert signal EXTTRIG e xternal trigger signal EXTUPD A TE* external upd ate signal F F farad FIFO first in first out memory buf fer FSR full-scale range ft feet G GA TB <0.
Glos sary © Nationa l Instrume nts Cor poration G-5 PCI-1200 Us er Manu al L LED light-emitt ing diode LSB least significant bit M m meters max maximum MB m egabytes of memo ry min.
Gloss ar y PCI-1200 U ser M anual G-6 © Nation al Ins truments Corporat ion P P A, PB, PC <0..7 > port A, B , or C 0 through 7 signals PCI Peripheral Comp onent Interconnect — a high-performance expansion b us architecture originally de veloped b y Intel to replace ISA and EISA.
Glos sary © Nationa l Instrume nts Cor poration G-7 PCI-1200 Us er Manu al S samples scan one or mor e analog or digital input samples. T ypically , the number of input samples in a scan is eq ual to the num ber of channels in the inp ut group.
Gloss ar y PCI-1200 U ser M anual G-8 © Nation al Ins truments Corporat ion V Vv o l t s V in positiv e/negati ve input voltage V cm common-mod e noise VDC vo lts direct current V diff dif fere nti a.
© Nationa l Instrume nts Cor poration I-1 PCI-1200 Us er Manu al Index A A CH<7..0> signal definiti on (tab le), 3-3 input ranges (table) bipolar analog in put, 3-5 unipolar analog inpu t, 3-5 .
Index PCI-1200 U ser M anual I -2 © National Ins truments C orporat ion analog in put signal c onnections bipo lar si gnal ran ge vs. gain (table), 3-5 common-mo de signal r ejection, 3-14 t o 3-15 d.
Index © Nationa l Instrume nts Cor poration I-3 PCI-1200 Us er Manu al input polarity , 2-3 anal og ou tput po lari ty , 2-3 controll ed acquisition mode, 4-8 Counter 0 on 82C53(A ) counter/timer , 3.
Index PCI-1200 U ser M anual I -4 © National Ins truments C orporat ion anal og ou tp ut, A- 7 documentation con ventions used in manual, x Natio nal Inst rum ents do cumen tati on set, xi organiza t.
Index © Nationa l Instrume nts Cor poration I-5 PCI-1200 Us er Manu al recommen ded input conf iguration s (table), 3 -8 single- ended connections (NRSE conf igurati on), 3-13 t o 3-14 I IBF sig nal (table) , 3-27 INL (integral nonlinearity), A-4 input configurations.
Index PCI-1200 U ser M anual I -6 © National Ins truments C orporat ion PCI-12 00 block diag ra m, 4- 1 conf iguration. See conf iguration. custom cabling, 1- 5 to 1-6 features, 1- 1 installation, 2-.
Index © Nationa l Instrume nts Cor poration I-7 PCI-1200 Us er Manu al pins , 3- 18 to 3-19 timing specif ications, 3- 27 to 3- 30 digit al I /O sig nal co nnec tion s, 3-16 t o 3-18 logical i nputs .
Index PCI-1200 U ser M anual I -8 © National Ins truments C orporat ion general-p urpose timi ng signal connections e ven t-counting, 3-2 3 with external switch gating (f igure), 3- 24 frequenc y mea.
Un point important après l'achat de l'appareil (ou même avant l'achat) est de lire le manuel d'utilisation. Nous devons le faire pour quelques raisons simples:
Si vous n'avez pas encore acheté National Instruments PCI-1200 c'est un bon moment pour vous familiariser avec les données de base sur le produit. Consulter d'abord les pages initiales du manuel d'utilisation, que vous trouverez ci-dessus. Vous devriez y trouver les données techniques les plus importants du National Instruments PCI-1200 - de cette manière, vous pouvez vérifier si l'équipement répond à vos besoins. Explorant les pages suivantes du manuel d'utilisation National Instruments PCI-1200, vous apprendrez toutes les caractéristiques du produit et des informations sur son fonctionnement. Les informations sur le National Instruments PCI-1200 va certainement vous aider à prendre une décision concernant l'achat.
Dans une situation où vous avez déjà le National Instruments PCI-1200, mais vous avez pas encore lu le manuel d'utilisation, vous devez le faire pour les raisons décrites ci-dessus,. Vous saurez alors si vous avez correctement utilisé les fonctions disponibles, et si vous avez commis des erreurs qui peuvent réduire la durée de vie du National Instruments PCI-1200.
Cependant, l'un des rôles les plus importants pour l'utilisateur joués par les manuels d'utilisateur est d'aider à résoudre les problèmes concernant le National Instruments PCI-1200. Presque toujours, vous y trouverez Troubleshooting, soit les pannes et les défaillances les plus fréquentes de l'apparei National Instruments PCI-1200 ainsi que les instructions sur la façon de les résoudre. Même si vous ne parvenez pas à résoudre le problème, le manuel d‘utilisation va vous montrer le chemin d'une nouvelle procédure – le contact avec le centre de service à la clientèle ou le service le plus proche.
