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National Instruments 700 User Manual

Manual is about: Multifunction I/O Board for the PCMCIA Bus

Summary of 700

  • Page 1

    © copyright 1994, 1996 national instruments corporation. All rights reserved. Daqcard ™ -700 user manual multifunction i/o board for the pcmcia bus january 1996 edition part number 320676c-01.

  • Page 2

    National instruments corporate headquarters 6504 bridge point parkway austin, tx 78730-5039 (512) 794-0100 technical support fax: (800) 328-2203 (512) 794-5678 branch offices: australia 03 9 879 9422, austria 0662 45 79 90 0, belgium 02 757 00 20, canada (ontario) 519 622 9310, canada (québec) 514 6...

  • Page 3

    Limited warranty the daqcard-700 is warranted against defects in materials and workmanship 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 that proves to be defective during the...

  • Page 4

    Warning regarding medical and clinical use of national instruments products national instruments products are not designed with components and testing intended to ensure a level of reliability suitable for use in treatment and diagnosis of humans. Applications of national instruments products involv...

  • Page 5: Contents

    © national instruments corporation v daqcard-700 user manual contents ___________________________________________________ about this manual ............................................................................................................. Ix organization of this manual ......................

  • Page 6

    Contents daqcard-700 user manual vi © national instruments corporation differential connection considerations (diff configuration) ............. 3-8 differential connections for grounded signal sources ............ 3-9 differential connections for floating signal sources ............... 3-10 common-...

  • Page 7

    Contents © national instruments corporation vii daqcard-700 user manual figures figure 1-1. The relationship between the programming environment, ni-daq, and your hardware.............................................................................................. 1-3 figure 2-1. A typical configur...

  • Page 8: About This Manual

    © national instruments corporation ix daqcard-700 user manual about this manual this manual describes the mechanical and electrical aspects of the daqcard-700 and contains information concerning its installation and operation. The daqcard-700 is a compact, low-cost, low-power analog input, digital, ...

  • Page 9

    About this manual daqcard-700 user manual x © national instruments corporation conventions used in this manual the following conventions are used in this manual: bold italic bold italic text denotes a note, caution, or warning. Italic italic text denotes emphasis, a cross reference, or an introducti...

  • Page 10: Related Documentation

    About this manual © national instruments corporation xi daqcard-700 user manual • software documentation—examples of software documentation you may have are the labview and labwindows/cvi manual sets and the ni-daq documentation (a 4.6.1 or earlier version of ni-daq supports labwindows for dos). Aft...

  • Page 11: Chapter 1

    © national instruments corporation 1-1 daqcard-700 user manual chapter 1 introduction this chapter describes the daqcard-700; lists what you need to get started, software programming choices, and optional equipment; and explains how to unpack the daqcard-700. About the daqcard-700 thank you for your...

  • Page 12: What You Need to Get Started

    Introduction chapter 1 daqcard-700 user manual 1-2 © national instruments corporation what you need to get started to set up and use your daqcard-700, you will need the following: daqcard-700 one of the following i/o cables (must be purchased separately): pr50-50m ribbon cable (6 in.) pr50-50f ribbo...

  • Page 13

    Chapter 1 introduction © national instruments corporation 1-3 daqcard-700 user manual ni-daq driver software the ni-daq driver software is included at no charge with all national instruments daq hardware. Ni-daq is not packaged with scxi or accessory products, except for the scxi-1200. Ni-daq has an...

  • Page 14: Unpacking

    Introduction chapter 1 daqcard-700 user manual 1-4 © national instruments corporation register-level programming the final option for programming any national instruments daq hardware is to write register- level software. Writing register-level programming software can be very time-consuming and ine...

  • Page 15: Chapter 2

    © national instruments corporation 2-1 daqcard-700 user manual chapter 2 installation and configuration this chapter describes how to install and software configure the daqcard-700. Installation your computer should be equipped with card and socket services 2.0 or later. The daqcard-700 requires a 3...

  • Page 16: Configuration

    Installation and configuration chapter 2 daqcard-700 user manual 2-2 © national instruments corporation pcmcia socket portable computer i/o cable insert card na tion al in strument s the sof tware is t he instrument ® cb-50 i/o signals daqcard ™ -700 figure 2-1. A typical configuration for the daqca...

  • Page 17

    Chapter 2 installation and configuration © national instruments corporation 2-3 daqcard-700 user manual if you are using labwindows/cvi, the software installation instructions are in part 1, introduction to labwindows/cvi, of the getting started with labwindows/cvi manual. After you have installed l...

  • Page 18

    Installation and configuration chapter 2 daqcard-700 user manual 2-4 © national instruments corporation table 2-2. Analog input modes for the daqcard-700 analog input modes description rse referenced single-ended mode provides 16 single-ended inputs referenced to analog ground (default setting). Dif...

  • Page 19

    Chapter 2 installation and configuration © national instruments corporation 2-5 daqcard-700 user manual digital i/o configuration the daqcard-700 always uses one 8-bit digital output port and one 8-bit digital input port. Counter configuration you can use the msm82c54 counter/timers for general-purp...

  • Page 20: Chapter 3

    © national instruments corporation 3-1 daqcard-700 user manual chapter 3 signal connections this chapter describes the signals on the daqcard-700 i/o connector, as well as typical cable setups. I/o connector figure 3-1 shows the pin assignments for the daqcard-700 i/o connector. This connector is at...

  • Page 21

    Signal connections chapter 3 daqcard-700 user manual 3-2 © national instruments corporation 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 dout3 dout2 dout1 dout0 din7 din6 din5 din4 din3 din2 din1 din0 nc ...

  • Page 22

    Chapter 3 signal connections © national instruments corporation 3-3 daqcard-700 user manual signal connection descriptions pin signal name direction description 1–2 aignd — analog input ground—these pins are connected to the analog input ground signal. 3–18 ach input analog input channels 0 through ...

  • Page 23

    Signal connections chapter 3 daqcard-700 user manual 3-4 © national instruments corporation the connector pins can be grouped into analog input signal pins, digital i/o signal pins, and timing i/o signal pins. Signal connection guidelines for each of these groups are included in the following pages....

  • Page 24

    Chapter 3 signal connections © national instruments corporation 3-5 daqcard-700 user manual isolation amplifiers. The ground reference of a floating signal must be tied to the daqcard-700 analog input ground to establish a local or onboard reference for the signal. Otherwise, the measured input sign...

  • Page 25

    Signal connections chapter 3 daqcard-700 user manual 3-6 © national instruments corporation - v in v v - + instrumentation amplifier v = [ - ] gain in + - in + - + v in m measured voltage vm * figure 3-2. Daqcard-700 instrumentation amplifier the daqcard-700 instrumentation amplifier applies common-...

  • Page 26

    Chapter 3 signal connections © national instruments corporation 3-7 daqcard-700 user manual recommended input configurations the following sections discuss the use of single-ended and differential measurements and considerations for measuring both floating and ground-referenced signal sources. Table...

  • Page 27

    Signal connections chapter 3 daqcard-700 user manual 3-8 © national instruments corporation + + + - - - v m measured voltage signal source ach input multiplexer operational amplifier i/o connector 3 4 5 18 1, 2 daqcard-700 aignd + - + - v s1 v s2 v s3 figure 3-3. Single-ended analog input signal con...

  • Page 28

    Chapter 3 signal connections © national instruments corporation 3-9 daqcard-700 user manual differential signal connections reduce picked-up noise and increase common-mode signal and noise rejection. With these connections, input signals can float within the common-mode limits of the input instrumen...

  • Page 29

    Signal connections chapter 3 daqcard-700 user manual 3-10 © national instruments corporation differential connections for floating signal sources figure 3-5 shows how to connect a floating signal source to an daqcard-700 card configured for diff input. Configuration instructions are included in the ...

  • Page 30

    Chapter 3 signal connections © national instruments corporation 3-11 daqcard-700 user manual the instrumentation amplifier contributes a dc offset voltage at the input. The amplifier has a maximum input offset current of ± 0.75 na and a typical offset current drift of ± 1.5 pa/ ° c. Multiplied by th...

  • Page 31

    Signal connections chapter 3 daqcard-700 user manual 3-12 © national instruments corporation digital i/o signal connections pins 22 through 37 of the i/o connector are digital i/o signal pins. Pins 22 through 29 are digital input pins. Pins 30 through 37 are digital output pins. Pins 19 and 50 are d...

  • Page 32

    Chapter 3 signal connections © national instruments corporation 3-13 daqcard-700 user manual ttl signal digital input port digital output port 22 din0 19 dgnd i/o connector daqcard-700 led +5 v +5 v 29 din7 30 dout0 figure 3-6. Digital i/o signal connections power connections pin 49 of the i/o conne...

  • Page 33

    Signal connections chapter 3 daqcard-700 user manual 3-14 © national instruments corporation timing connections pins 38 through 48 of the i/o connector are connections for timing i/o signals. The daqcard-700 timing i/o uses an msm82c54 counter/timer integrated circuit. All three counters of the msm8...

  • Page 34

    Chapter 3 signal connections © national instruments corporation 3-15 daqcard-700 user manual programmed for various operations. The only exceptions are counter 0, which has an internal 1 mhz clock, and counter 1, which can also be configured to use this clock. The msm82c54 counter/timer is described...

  • Page 35

    Signal connections chapter 3 daqcard-700 user manual 3-16 © national instruments corporation to measure time lapse, program a counter to be edge gated. Apply an edge to the counter gate input to start the counter. Program the counter to start counting after receiving a low-to-high edge. The time lap...

  • Page 36

    Chapter 3 signal connections © national instruments corporation 3-17 daqcard-700 user manual • absolute maximum voltage input rating -0.5 to 5.0 v with respect to dgnd • msm82c54 digital input specifications (referenced to dgnd): – v ih input logic high voltage 2.2 v minimum – v il input logic low v...

  • Page 37: Cabling

    Signal connections chapter 3 daqcard-700 user manual 3-18 © national instruments corporation cabling national instruments currently offers two different cables for use with the daqcard-700, the pr-50-50f and the pr-50-50m. National instruments also offers a cable termination accessory, the cb-50, fo...

  • Page 38: Chapter 4

    © national instruments corporation 4-1 daqcard-700 user manual chapter 4 theory of operation this chapter includes an overview of the daqcard-700 and explains the operation of each functional unit making up the daqcard-700. Functional overview the block diagram in figure 4-1 shows a functional overv...

  • Page 39

    Theory of operation chapter 4 daqcard-700 user manual 4-2 © national instruments corporation the following are the major components making up the daqcard-700: • pcmcia i/o channel interface circuitry • analog input circuitry • digital i/o circuitry • timing i/o circuitry data acquisition functions c...

  • Page 40

    Chapter 4 theory of operation © national instruments corporation 4-3 daqcard-700 user manual when you first insert the card, the system examines information stored in the daqcard-700 card information structure. This data is used to configure the card appropriately for the system in which it is used....

  • Page 41

    Theory of operation chapter 4 daqcard-700 user manual 4-4 © national instruments corporation clk0 a/d data extconv* 12 16 data a/d rd convavail pcmcia i/o channel out0 instrumentation amplifier input mux1 dual (8-channel single- ended) 8 8 input mux2 (4-channel) buffer 512-word fifo, sign extension ...

  • Page 42

    Chapter 4 theory of operation © national instruments corporation 4-5 daqcard-700 user manual the a/d fifo generates a signal that indicates when it contains a/d conversion data. The state of this signal can be read from the status register. The output from the adc is a two's complement number rangin...

  • Page 43

    Theory of operation chapter 4 daqcard-700 user manual 4-6 © national instruments corporation data acquisition rates the maximum data acquisition rate (number of samples per second) is determined by the conversion period of the adc plus the acquisition time of its track-and-hold stage. During multich...

  • Page 44: Digital I/o Circuitry

    Chapter 4 theory of operation © national instruments corporation 4-7 daqcard-700 user manual digital i/o circuitry the daqcard-700 has 16 digital i/o lines that are ttl-compatible. Pins din of the i/o connector are digital input lines, and pins dout are digital output lines. These lines are monitore...

  • Page 45: Timing I/o Circuitry

    Theory of operation chapter 4 daqcard-700 user manual 4-8 © national instruments corporation timing i/o circuitry the daqcard-700 uses an msm82c54 counter/timer integrated circuit for data acquisition timing and for general-purpose timing i/o functions. Three counters of the msm82c54 are available f...

  • Page 46

    Chapter 4 theory of operation © national instruments corporation 4-9 daqcard-700 user manual counter clk gate out figure 4-6. Counter block diagram each counter has a clock input pin, a gate input pin, and an output pin labeled clk, gate, and out, respectively. The msm82c54 counters are numbered zer...

  • Page 47: Appendix A

    © national instruments corporation a-1 daqcard-700 user manual appendix a specifications this appendix lists the specifications of the daqcard-700. These specifications are typical at 25 ° c unless otherwise noted. The operating temperature range is 0 ° to 70 ° c. Analog input input characteristics ...

  • Page 48

    Specifications appendix a daqcard-700 user manual a-2 © national instruments corporation dynamic characteristics settling time ± 0.024% accuracy ( ± 1 lsb) for full-scale step ............................................ 25 µ s max at ± 10 v, ± 5 v 10 µ s at ± 2.5 v (rse) system noise .................

  • Page 49

    Appendix a specifications © national instruments corporation a-3 daqcard-700 user manual power requirement +5 vdc ( ± 5%) ....................................................................... 100 ma in operational mode 70 ma in power-down mode note: these power usage figures do not include the pow...

  • Page 50: Appendix B

    © national instruments corporation b-1 daqcard-700 user manual appendix b differences between the pc-lpm-16 and the daqcard-700 this appendix contains a summary of differences between the pc-lpm-16 and the daqcard-700 that may be relevant to you if you are a current pc-lpm-16 user. For a summary of ...

  • Page 51: Appendix C

    © national instruments corporation c-1 daqcard-700 user manual appendix c pc card questions and answers this appendix contains a list of common questions and answers relating to pc card (pcmcia) operation. The questions are grouped according to the type of information requested. You may find this in...

  • Page 52: Resources

    Pc card questions and answers appendix c daqcard-700 user manual c-2 © national instruments corporation 3. Is there a way i can conserve power on my pc card when it is not in use? Yes. If you are using ni-daq for pc compatibles version 4.8.0 or later, a dos utility called daqpower_exe will switch al...

  • Page 53: Resource Conflicts

    Appendix c pc card questions and answers © national instruments corporation c-3 daqcard-700 user manual keep in mind that utilities such as msd.Exe will sometimes report that an interrupt is in use when it really is not. For example, if the computer has one serial port, com1, and one parallel port, ...

  • Page 54: Appendix D

    © national instruments corporation d-1 daqcard-700 user manual appendix d power-management modes this appendix describes the power-management modes of the daqcard-700. • normal mode—this is the normal operating mode of the daqcard-700 in which all the circuits are fully functional. This mode draws a...

  • Page 55: Appendix E

    © national instruments corporation e-1 daqcard-700 user manual appendix e customer communication ___________________________________________________ for your convenience, this appendix contains forms to help you gather the information necessary to help us solve technical problems you might have as w...

  • Page 56: Technical Support Form

    Technical support form ___________________________________________________ photocopy this form and update it each time you make changes to your software or hardware, and use the completed copy of this form as a reference for your current configuration. Completing this form accurately before contacti...

  • Page 57: Configuration Form

    Daqcard-700 hardware and software configuration form ___________________________________________________ record the settings and revisions of your hardware and software on the line to the right of each item. Complete a new copy of this form each time you revise your software or hardware configuratio...

  • Page 58: Documentation Comment Form

    Documentation comment form ___________________________________________________ national instruments encourages you to comment on the documentation supplied with our products. This information helps us provide quality products to meet your needs. Title: daqcard™-700 user manual edition date: january ...

  • Page 59: Glossary

    © national instruments corporation glossary-1 daqcard-700 user manual glossary ___________________________________________________ prefix meaning value p- pico- 10-12 n- nano- 10-9 µ - micro- 10-6 m- milli- 10-3 k- kilo- 103 m- mega- 106 g- giga- 1012 ° degrees Ω ohms % percent a amperes ac alternat...

  • Page 60

    Glossary daqcard-700 user manual glossary-2 © national instruments corporation hex hexadecimal hz hertz in. Inches i/o input/output isa industry standard architecture led light-emitting diode lsb least significant bit mb megabytes of memory msb most significant bit nc not connected (signal) nrse non...

  • Page 61: Index

    © national instruments corporation index-1 daqcard-700 user manual index a ach signal, 3-3 aignd signal, 3-3 analog input circuitry block diagram, 4-4 theory of operation, 4-4 analog input configuration analog input modes, 2-3 to 2-4 default settings (table), 2-3 diff input definition (table), 2-4 d...

  • Page 62

    Index daqcard-700 user manual index-2 © national instruments corporation block diagram, 4-1 compared with pc-lpm-16, b-1 features, 1-1 major components, 4-1 software programming choices labview and labwindows/cvi application software, 1-2 ni-daq driver software, 1-3 register-level programming, 1-4 u...

  • Page 63

    Index © national instruments corporation index-3 daqcard-700 user manual i input configurations, 3-5 to 3-7 diff definition (table), 2-4 purpose, 2-4 differential mode, 3-6 instrumentation amplifier illustration, 3-6 purpose, 3-6 recommended input configurations (table), 3-7 rse definition (table), ...

  • Page 64

    Index daqcard-700 user manual index-4 © national instruments corporation analog input signal connections differential (diff) connections, 3-8 to 3-11 common-mode signal rejection considerations, 3-11 floating signal sources, 3-10 to 3-11 grounded signal sources, 3-9 differential input mode, 3-6 exce...

  • Page 65

    Index © national instruments corporation index-5 daqcard-700 user manual extconv* signal timing (illustration), 3-14 general-purpose counter and timing signal connections, 3-14 to 3-17 event-counting applications, 3-15 illustration, 3-15 frequency measurement, 3-16 illustration, 3-16 illustration, 3...