National Instruments 180742-01 Manuals

Manuals and User Guides for National Instruments 180742-01. We have 1 National Instruments 180742-01 manual available for free PDF download: User Manual

National Instruments 180742-01 User Manual

National Instruments 180742-01 User Manual (47 pages)

Brand: National Instruments | Category: Computer Hardware | Size: 0.33 MB

Table of Contents

Table of Contents
7
Section One

10
Introduction

10
- Features
  10
- Figure 1-1. GPIB-LPT Board
  11
- What Your Kit Should Contain
  12
- Optional Equipment
  12
Section Two

13
Configuration and Installation

13
- Figure 2-1. GPIB-LPT Parts Locator Diagram
  13
  - Configuration
    14
    
    Table 2-1. IBM PC Parallel Port Adapters
    14
    
    Base I/O Address and Interrupt Selection
    15
    
    Switch and Jumper Settings
    15
    
    Table 2-2. Factory Default Settings and Optional Configurations
    15
    
    Figure 2-2. Possible Settings for GPIB-LPT Jumpers
    16
    
    Listen Address and Control Function Selection
    17
    
    Figure 2-4. Setting for Address 6 Hex
    18
    
    Figure 2-5. Switch Setting for REN ON, IFC ON, and SRQ off
    19
  - Installation
    20
Section Three

21
Function Description

21
- Figure 3-1. GPIB-LPT Block Diagram
  21
  - Address Decoding
    22
  - Configuration Jumpers
    22
  - Data and Control Latches
    22
  - Data Transceivers
    22
  - Data Wrap, Control Wrap and Status Buffers
    22
  - External Device Listen Address Switch
    22
  - GPIB Handshaking
    23
  - GPIB Addressing
    23
Section Four

24
Running Diagnostic Tests

24
- The GPIB-LPT Test Commands
  24
  - Printer Test
    24
  - Plotter Test
    25
  - Figure 4-1. Plotter Output
    25
  - C Change LPT Configuration
    26
  - Q Quit
    26
Section Five

27
Programming the GPIB-LPT

27
- The GPIB-LPT Registers
  27
  - Data Register (DATA)
    28
  - Status Register (STAT)
    29
  - Control Register (CTRL)
    31
- Programming Considerations
  32
Appendix A Operation of the GPIB

36
- History of the GPIB
  36
- Types of Messages
  36
- Talkers, Listeners, and Controllers
  36
- System Controller and Active Controller
  37
- GPIB Signals
  37
- Data Lines
  38
- Handshake Lines
  38
  - NRFD (Not Ready for Data
    38
  - NDAC (Not Data Accepted
    38
  - Figure A-1. GPIB Cable Connector
    38
  - DAV (Data Valid
    39
- Interface Management Lines
  39
  - ATN (Attention
    39
  - IFC (Interface Clear
    39
  - REN (Remote Enable
    39
  - SRQ (Service Request
    39
  - EOI (End or Identify
    39
- Physical and Electrical Characteristics
  40
- Figure A-2. Linear Configuration of GPIB Devices
  40
- Figure A-3. Star Configuration of GPIB Devices
  41
- Configuration Restrictions
  42
Appendix B

43
Multiline Interface Messages

43
Appendix C Specifications

46

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