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National Instruments SC-2043-SG инструкция обслуживания

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Похожие руководства по эксплуатации

Хорошее руководство по эксплуатации

Законодательство обязывает продавца передать покупателю, вместе с товаром, руководство по эксплуатации National Instruments SC-2043-SG. Отсутствие инструкции либо неправильная информация, переданная потребителю, составляют основание для рекламации в связи с несоответствием устройства с договором. В законодательстве допускается предоставлении руководства в другой, чем бумажная форме, что, в последнее время, часто используется, предоставляя графическую или электронную форму инструкции National Instruments SC-2043-SG или обучающее видео для пользователей. Условием остается четкая и понятная форма.

Что такое руководство?

Слово происходит от латинского "instructio", тоесть привести в порядок. Следовательно в инструкции National Instruments SC-2043-SG можно найти описание этапов поведения. Цель инструкции заключается в облегчении запуска, использования оборудования либо выполнения определенной деятельности. Инструкция является набором информации о предмете/услуге, подсказкой.

К сожалению немного пользователей находит время для чтения инструкций National Instruments SC-2043-SG, и хорошая инструкция позволяет не только узнать ряд дополнительных функций приобретенного устройства, но и позволяет избежать возникновения большинства поломок.

Из чего должно состоять идеальное руководство по эксплуатации?

Прежде всего в инструкции National Instruments SC-2043-SG должна находится:
- информация относительно технических данных устройства National Instruments SC-2043-SG
- название производителя и год производства оборудования National Instruments SC-2043-SG
- правила обслуживания, настройки и ухода за оборудованием National Instruments SC-2043-SG
- знаки безопасности и сертификаты, подтверждающие соответствие стандартам

Почему мы не читаем инструкций?

Как правило из-за нехватки времени и уверенности в отдельных функциональностях приобретенных устройств. К сожалению само подсоединение и запуск National Instruments SC-2043-SG это слишком мало. Инструкция заключает ряд отдельных указаний, касающихся функциональности, принципов безопасности, способов ухода (даже то, какие средства стоит использовать), возможных поломок National Instruments SC-2043-SG и способов решения проблем, возникающих во время использования. И наконец то, в инструкции можно найти адресные данные сайта National Instruments, в случае отсутствия эффективности предлагаемых решений. Сейчас очень большой популярностью пользуются инструкции в форме интересных анимаций или видео материалов, которое лучше, чем брошюра воспринимаются пользователем. Такой вид инструкции позволяет пользователю просмотреть весь фильм, не пропуская спецификацию и сложные технические описания National Instruments SC-2043-SG, как это часто бывает в случае бумажной версии.

Почему стоит читать инструкции?

Прежде всего здесь мы найдем ответы касательно конструкции, возможностей устройства National Instruments SC-2043-SG, использования отдельных аксессуаров и ряд информации, позволяющей вполне использовать все функции и упрощения.

После удачной покупки оборудования/устройства стоит посвятить несколько минут для ознакомления с каждой частью инструкции National Instruments SC-2043-SG. Сейчас их старательно готовят или переводят, чтобы они были не только понятными для пользователя, но и чтобы выполняли свою основную информационно-поддерживающую функцию.

Содержание руководства

  • Страница 1

    © Copyright 1995, 1996 National Instruments Corporation. All Rights Reserved. SC-2043-SG User Manual Eight-Channel Strain Gauge Signal Conditioning Accessory August 1996 Edition Part Number 320995B-01[...]

  • Страница 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) 514 694 8521, Denmark 45 76 26 00, Finland 90 527 2321[...]

  • Страница 3

    Limited Warranty The SC-2043-SG 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 warranty period. This warranty includes parts and [...]

  • Страница 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 involving medical or clinical treatment can create a pot[...]

  • Страница 5

    © National Instruments Corporation v SC-2043-SG User Manual Contents About This Manual ............................................................................................................... ix Organization of This Manual ............................................................................................ ix Conventions Used in Thi[...]

  • Страница 6

    Contents SC-2043-SG User Manual vi © National Instruments Corporation Chapter 4 Theory of Operation .......................................................................................................... 4-1 Functional Overview ...................................................................................................... 4-1 Bridge Comp[...]

  • Страница 7

    Contents © National Instruments Corporation vii SC-2043-SG User Manual Figures Figure 1-1. The Relationship between the Programming Environment, NI-DAQ, and Your Hardware ............................................................................. 1-3 Figure 2-1. SC-2043-SG Parts Locator Diagram ...................................................[...]

  • Страница 8

    © National Instruments Corporation ix SC-2043-SG User Manual About This Manual This manual describes the electrical and mechanical aspects of the SC-2043-SG and contains information concerning its configuration and operation. The SC-2043-SG is an eight-channel strain gauge signal conditioning accessory for National Instruments DAQ boards. The cond[...]

  • Страница 9

    About This Manual SC-2043-SG 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 introduction to a key concept. Lab/1200 Lab/1200 refers to [...]

  • Страница 10

    About This Manual © National Instruments Corporation xi SC-2043-SG User Manual • Accessory manuals–If you are using accessory products, read the terminal block and cable assembly installation guides or accessory board user manuals. They explain how to physically connect the relevant pieces of the system together. Consult these guides when you [...]

  • Страница 11

    © National Instruments Corporation 1-1 SC -2043-SG User Manual Chapter 1 Introduction This chapter describes the SC -2043-SG, lists what you need to get started with your SC -2043-SG, describes the optional software and optional equipment, and explains how to unpack your SC-2043 -SG. About the SC-2043-SG The SC-2043 -SG is an eight-channel signal [...]

  • Страница 12

    Introduction Chapter 1 SC -2043-SG User Manual 1-2 © National Instruments Corporation One of the following: SH6850 cable or R6850 cable assembly kit (MIO E Series DAQ board) NB-1 cable (MIO Series, Lab-PC+, or DAQPad-1200 board) PR50-50F cable (DAQCard-1200) Detailed specifications of the SC-2043-SG are in Appendix A, Specifications . Software Pro[...]

  • Страница 13

    Chapter 1 Introduction © National Instruments Corporation 1-3 SC -2043-SG User Manual minimal modifications to your code. Figure 1-1 illustrates the relationship between NI-DAQ and LabVIEW and LabWindows/CVI. LabWindows/CVI (PC or  Sun SP ARCstation) LabVIEW  (PC, Macintosh, or  Sun SP ARCstation) Conventional  Programming  Envir[...]

  • Страница 14

    Introduction Chapter 1 SC -2043-SG User Manual 1-4 © National Instruments Corporation Unpacking Your SC-2043 -SG board is shipped in an antistatic package to prevent electrostatic damage to the board. Electrostatic discharge can damage several components on the board. To avoid such damage in handling the board, take the following precautions: • [...]

  • Страница 15

    © National Instruments Corporation 2-1 SC-2043-SG User Manual Chapter 2 Installation and Configuration This chapter describes the installation and configuration of your SC-2043-SG. The topics discussed are connection of the SC -2043-SG to the DAQ board and switch and jumper configuration for your SC-2043 -SG. Installation Note: You must power off [...]

  • Страница 16

    Installation and Configuration Chapter 2 SC-2043-SG User Manual 2-2 © National Instruments Corporation The SC-2043 -SG has one slide switch and 12 jumpers that you use to configure your board. Figure 2-1 shows the switch and jumpers in the parts locator diagram. 1 2 3 4 5 6 7 8 9 11 14 15 16 17 18 19 20 21 22 23 24 25 27 28 29 30 31 32 33 34 35 36[...]

  • Страница 17

    Chapter 2 Installation and Configuration © National Instruments Corporation 2-3 SC-2043-SG User Manual Switch SW1 selects the power supply source for the SC-2043-SG board. Two jumpers, W1 and W3, select the excitation source for the strain gauge bridges. Jumper W2 routes either the excitation voltage signal or the channel 0 signal to analog input [...]

  • Страница 18

    Installation and Configuration Chapter 2 SC-2043-SG User Manual 2-4 © National Instruments Corporation Onboard/External Excitation Selection If you want to use the onboard voltage excitation source to excite your strain gauge bridges, set both jumpers W1 and W3 to the INT position. If you want to use an external excitation source, set both jumpers[...]

  • Страница 19

    Chapter 2 Installation and Configuration © National Instruments Corporation 2-5 SC-2043-SG User Manual Local Excitation Sense Selection MIO or MIO E Series Boards If you are using the SC-2043-SG with an MIO or MIO E Series board, you can locally sense the exact level of the excitation voltage by routing the excitation voltage (internal or external[...]

  • Страница 20

    Installation and Configuration Chapter 2 SC-2043-SG User Manual 2-6 © National Instruments Corporation Lab/1200 Series Boards If you are using the SC-2043-SG with a Lab/1200 Series board, you can locally sense the exact level of the excitation voltage by routing the excitation voltage (internal or external) to ACH0, configured by jumper W2. The SC[...]

  • Страница 21

    Chapter 2 Installation and Configuration © National Instruments Corporation 2-7 SC-2043-SG User Manual Bridge Completion Selection Jumpers W4–W7 and W10–W13 select half-bridge or full-bridge configuration for each channel on the SC-2043 -SG. Setting a jumper in the FB position disconnects the half-bridge completion network from the channel and[...]

  • Страница 22

    Installation and Configuration Chapter 2 SC-2043-SG User Manual 2-8 © National Instruments Corporation Additionally, there are sockets for eight quarter-bridge completion resistors. When inserted, the quarter-bridge completion resistors connect to the positive inputs of the instrumentation amplifiers and the -EX n terminals. To configure a channel[...]

  • Страница 23

    © National Instruments Corporation 3-1 SC-2043-SG User Manual Chapter 3 Signal Connections This chapter describes the signal connections to the SC -2043-SG board. I/O Connector Pin Description Warning: Connections, including any power signals connected to ground and vice versa, that exceed any of the maximum input or output signal ratings on the S[...]

  • Страница 24

    Signal Connections Chapter 3 SC-2043-SG User Manual 3-2 © National Instruments Corporation Table 3-1. Pin Assignments for the MIO I/O Connectors Pin Numbers MIO Connector Signal Names MIO E Series I/O Connector Signal Names 1 AIGND AIGND 2 AIGND AIGND 3 ACH0† ACH0† 4 ACH8 ACH8 5 ACH1† ACH1† 6 ACH9 ACH9 7 ACH2† ACH2† 8 ACH10 ACH10 9 ACH[...]

  • Страница 25

    Chapter 3 Signal Connections © National Instruments Corporation 3-3 SC-2043-SG User Manual Table 3-1. Pin Assignments for the MIO I/O Connectors (Continued) Pin Numbers MIO Connector Signal Names MIO E Series I/O Connector Signal Names 38 †† TRIG1 39 †† TRIG2 40 EXTCONV* CONVERT* 41 SOURCE1 GPCTR1_SOURCE 42 GATE1 GPCTR1_GATE 43 OUT1 GPCTR1[...]

  • Страница 26

    Signal Connections Chapter 3 SC-2043-SG User Manual 3-4 © National Instruments Corporation Table 3-2. Pin Assignments for the Lab/1200 I/O Connector Pin Numbers Lab/1200 Connector Signal Names 1 ACH0† 2 ACH1† 3 ACH2† 4 ACH3† 5 ACH4† 6 ACH5† 7 ACH6† 8 ACH7† 9 AISENSE 10 DAC0OUT 11 AGND 12 DAC1OUT 13 DGND 14 PA0 15 PA1 16 PA2 17 PA3 [...]

  • Страница 27

    Chapter 3 Signal Connections © National Instruments Corporation 3-5 SC-2043-SG User Manual Table 3-2. Pin Assignments for the Lab/1200 I/O Connector (Continued) Pin Numbers Lab/1200 Connector Signal Names 38 EXTTRIG 39 EXTUPDATE* 40 EXTCONV* 41 OUTB0 42 GATB0 43 OUTB1 44 GATB1 45 CLKB1 46 OUTB2 47 GATB2 48 CLKB2 49 +5 V† 50 DGND† † These sig[...]

  • Страница 28

    Signal Connections Chapter 3 SC-2043-SG User Manual 3-6 © National Instruments Corporation Table 3-4. Lab/1200 (J9) I/O Connector Signal Summary Signal Name Pin Number Description AGND 11 Analog Ground—This pin provides the AC noise current return point for the analog circuitry and for the onboard excitation supply. It is also routed to a screw [...]

  • Страница 29

    Chapter 3 Signal Connections © National Instruments Corporation 3-7 SC-2043-SG User Manual Table 3-5 lists the screw terminals (J1–J6) signal summary. Table 3-5. Screw Terminals J1–J6 Signal Summary Signal Name Description CH<0..7> ± Input Channels—These inputs are the input signals for analog channels 0 through 7. ± EX<0..7> V[...]

  • Страница 30

    Signal Connections Chapter 3 SC-2043-SG User Manual 3-8 © National Instruments Corporation Full-Bridge Connection In this configuration all four elements of the bridge are external to the SC-2043-SG. Four lead wires connect the full-bridge to screw terminals +EX n , -EX n , CH n +, and CH n -. The pair of wires connected to +EX n and -EX n provide[...]

  • Страница 31

    Chapter 3 Signal Connections © National Instruments Corporation 3-9 SC-2043-SG User Manual Quarter-Bridge Connection In this configuration only one strain gauge is used. Bridge completion is provided by the internal half-bridge completion reference as well as a quarter-bridge completion resistor. This quarter- bridge completion resistor is equal i[...]

  • Страница 32

    Signal Connections Chapter 3 SC-2043-SG User Manual 3-10 © National Instruments Corporation To null the static voltage offset of the system, including the bridge, use the following procedure: 1. Configure and connect your bridge to the selected channel. 2. Read the channel output. 3. While monitoring the output, rotate the trimming potentiometer w[...]

  • Страница 33

    Chapter 3 Signal Connections © National Instruments Corporation 3-11 SC-2043-SG User Manual For example, assuming: EX = 2.5 V V desired nulling range RTI = ± 1 mV RTI Then, using the above formula, the new nulling resistor should have a value of: R 2.5 V 100 1 mV RTI 250 k null ≈ ±       Ω ≈Ω Other Connection Considerat[...]

  • Страница 34

    © National Instruments Corporation 4-1 SC-2043-SG User Manual Chapter 4 Theory of Operation This chapter contains a functional overview of the SC -2043-SG board and explains the operation of each functional unit making up the SC -2043-SG. Functional Overview The SC-2043 -SG consists of eight channels, each comprising a bridge completion network, a[...]

  • Страница 35

    Theory of Operation Chapter 4 SC-2043-SG User Manual 4-2 © National Instruments Corporation The block diagram in Figure 4-1 illustrates the key functional components of the SC-2043-SG. External Excitation EX0+ CH0+ CH0- EX0- EX1+ CH1+ CH1- EX1- EX7+ CH7+ CH7- EX7- I/O Screw Terminals +- External Power Onboard/External Power Supply Selecti[...]

  • Страница 36

    Chapter 4 Theory of Operation © National Instruments Corporation 4-3 SC-2043-SG User Manual Bridge Completion Network The SC-2043 -SG provides onboard bridge completion that you can use with half-bridge and quarter-bridge networks. The SC-2043 -SG has a single half-bridge reference that is common to all channels, consisting of a resistive divider [...]

  • Страница 37

    Theory of Operation Chapter 4 SC-2043-SG User Manual 4-4 © National Instruments Corporation Filtering Each channel of the SC -2043-SG has a postgain, lowpass filter. This filter is a single-pole, buffered, RC filter with a cutoff frequency of 1.6 kHz. I/O Connectors and Breakout Screw Terminals The outputs of all eight channels are connected to th[...]

  • Страница 38

    © National Instruments Corporation 5-1 SC-2043-SG User Manual Chapter 5 Calibration Procedures This chapter discusses the calibration procedures for the SC-2043 -SG board. Excitation Adjustment Onboard Excitation Source The excitation voltage source on the SC-2043-SG is factory-adjusted to 2.5 V ± 0.5%. This circuit has one potentiometer (R2) tha[...]

  • Страница 39

    Calibration Procedures Chapter 5 SC-2043-SG User Manual 5-2 © National Instruments Corporation External Excitation Source You can connect an external excitation source of up to 10 VDC to screw terminal block J7 on the SC -2043-SG. If you are using an external excitation source, you must perform the following steps. 1. If you are using a rack-mount[...]

  • Страница 40

    © National Instruments Corporation A-1 SC-2043-SG User Manual Appendix A Specifications This appendix lists the specifications for the SC-2043 -SG. These are typical at 25 ° C unless otherwise noted. Analog Input Input Characteristics Number of channels .................................................... 8 differential Input signal ranges ......[...]

  • Страница 41

    Specifications Appendix A SC-2043-SG User Manual A-2 © National Instruments Corporation Bridge type .................................................................. Half or full (jumper-selectable); with sockets for quarter- bridge completion Bridge completion ....................................................... Two 2.5 k Ω , ± 0.02% ratio[...]

  • Страница 42

    © National Instruments Corporation B-1 SC-2043-SG User Manual Appendix B 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 well as a form you can use to comment on the product documentation. Filling out a copy of the Technical[...]

  • Страница 43

    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 contacting National Instruments for technical support helps our applications engineers answer your questions m[...]

  • Страница 44

    SC-2043-SG 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 configuration, and use this form as a reference for your current configuration. Completing this form accurately bef[...]

  • Страница 45

    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: SC-2043-SG User Manual Edition Date: August 1996 Part Number: 320995B-01 Please comment on the completeness, clarity, and organization of the manual.[...]

  • Страница 46

    © National Instruments Corporation G- 1 SC-2043-SG User Manual Glossary ___________________________________________________ Prefix Meaning Value p- pico- 10 - 12 n- nano- 10 - 9 µ - micro- 10 - 6 m- milli- 10 - 3 k- kilo- 10 3 M- mega- 10 6 ˚ degrees Ω ohms +5 V +5 V signal A amperes ACH# DAQ board analog input channel number A/D analog-to-dig[...]

  • Страница 47

    Glossary SC-2043-SG User Manual G-2 © National Instruments Corporation NRSE nonreferenced single-ended ppm parts per million RAM random-access memory RC resistance-capacitance rms root mean square RTI referred to input s seconds SCANCLK scan clock signal ST screw terminal TCR temperature coefficient tempco temperature coefficient V volts VI virtua[...]

  • Страница 48

    © National Instruments Corporation I- 1 SC-2043-SG User Manual Index Numbers/Symbols +5 V signal Lab/1200 (J9) connector summary (table), 3-6 MIO (J10) connector summary (table), 3-5 power supply, 4-4 fuses, 4-4 A ACH<0..7> signal Lab/1200 (J9) connector summary (table), 3-6 MIO (J10) connector summary (table), 3-5 AGND signal Lab/1200 (J9) [...]

  • Страница 49

    Index SC-2043-SG User Manual I- 2 © National Instruments Corporation D DGND signal MIO (J10) connector summary (table), 3-5 Lab/1200 (J9) connector summary (table), 3-6 documentation conventions used in manual, x National Instruments documentation, x organization of manual, ix related documentation, xi E environment specifications, A-2 equipment, [...]

  • Страница 50

    Index © National Instruments Corporation I- 3 SC-2043-SG User Manual S SC -2043-SG block diagram, 4-2 features, 1-1 I/O connectors (J9 and J10) (tables), 3-2, 3-4 optional equipment, 1-3 screw terminal (J1–J6) description, 3-6 table, 3-7 software programming choices LabVIEW and LabWindows/CVI application software, 1-2 NI-DAQ driver software, 1-2[...]