National Instruments Barcode Reader SC-2043-SG User Manuals

Table of Contents

• SC-2043-SG User Manual

  1
  • Limited Warranty

    3
  • Copyright

    3
  • Trademarks

    3
  • Medial Warning

    4
• Contents

  5
• About This Manual

  8
  • Organization of This Manual

    8
  • Conventions Used inThis Manual

    9
  • National Instruments Documentation

    9
  • Related Documentation

    10
  • Customer Communication

    10
• Chapter 1 Introduction

  11
  • About the SC-2043-SG

    11
  • What You Need to Get Started

    11
  • Software Programming Choices

    12
    • LabVIEW and Lab Windows/CVI

      12
    • NI-DAQ Driver Software

      12
    • Register-Level Programming

      13
  • Optional Equipment

    13
  • Unpacking

    14
• Chapter 2 Installation and Configuration

  15
  • Installation

    15
  • Board Configuration

    15
    • Power Supply Selection

      17
    • Onboard/External Excitation Selection

      18
    • Local Excitation Sense Selection

      19
      • MIO or MIO E Series Boards

        19
      • Lab/1200 Series Boards

        20
    • Bridge Completion Selection

      21
• Chapter 3 Signal Connections

  23
  • I/O Connector Pin Description

    23
  • Screw Terminal Description

    28
    • Analog Input Connections

      29
      • Sensor Connection to the SC-2043-SG

        29
        • Full-Bridge Connection

          30
        • Half-Bridge Connection

          30
        • Quarter-Bridge Connection

          31
  • Offset Nulling

    31
    • Offset Nulling Adjustment

      31
    • Nulling Range Adjustment

      32
  • Other Connection Considerations

    33
• Chapter 4 Theory of Operation

  34
  • Functional Overview

    34
  • Bridge Completion Network

    36
  • Amplifiction

    36
  • Offset Nulling

    36
  • Filtering

    37
  • I/O Connectors and Breakout Screws Terminals

    37
  • Excitaion Voltage Source

    37
  • Power Supply

    37
• Chapter 5 Calibration Procedures

  38
  • Excitation Adjustment

    38
    • Onboard Excitation Source

      38
    • External Excitation Source

      39
• Appendix A Specifications

  40
• Appendix B Customer Communication

  42
• Glossary

  46
• Index

  48
• Figures

  7
  • Figure 1-1. The Relationship between the Programming Environment, NI-DAQ, and Your Hardware

    13
  • Figure 2-1. SC-2043-SG Parts Locator Diagram

    16
  • Figure 3-1. Full-Bridge Connection to the SC-2043-SG

    30
  • Figure 3-2. Half-Bridge Connection to the SC-2043-SG

    30
  • Figure 3-3. Quarter-Bridge Connection to the SC-2043-SG

    31
  • Figure 4-1. SC-2043-SG Block Diagram

    35
• Tables

  7
  • Table 2-1. Installation and Cabling Options for the SC-2043-SG

    15
  • Table 2-2. Power Supply Selection

    17
  • Table 2-3. Onboard/External Excitation Jumpers

    18
  • Table 2-4. Local Excitation Sense Jumper Settings for MIO and MIO E Series Boards

    19
  • Table 2-5. Local Excitation Sense Jumper Settings for Lab/1200 Series Boards

    20
  • Table 2-6. Half-Bridge Completion Jumper Settings

    21
  • Table 2-7. Half-Bridge Completion Jumpers and Corresponding Channels

    21
  • Table 2-8. Quarter-Bridge Completion Resistors and Corresponding Channels

    22
  • Table 3-1. Pin Assignments for the MIO I/O Connectors

    24
  • Table 3-2. Pin Assignments for the Lab/1200 I/O Connector

    26
  • Table 3-3. MIO (J10) I/O Connectors Signal Summary

    27
  • Table 3-4. Lab/1200 (J9) I/O Connector Signal Summary

    28
  • Table 3-5. Screw Terminals J1–J6 Signal Summary

    29
  • Table 3-6. Offset Nulling Adjust Potentiometer and Corresponding Channel

    31
  • Table 3-7. Nulling Resistor and Corresponding Channel

    32