Omega OME-A822PG User Manuals

Table of Contents

• Introduction

  6
  • General Description

    6
  • Features

    6
  • Specifications

    7
    • Power Consumption :

      7
    • Analog Inputs

      7
    • A/D Converter

      7
    • DA Converter

      8
    • Digital I/O

      8
    • Interrupt Channel

      8
    • Programmable Timer/Counter

      9
    • Direct Memory Access Channel (DMA)

      9
  • Applications

    10
  • Product Check List

    10
• Hardware Configuration

  11
  • Board Layout

    11
  • I/O Base Address Setting

    12
  • Jumper Settings

    13
    • JP1 : D/A Internal Reference Voltage Selection

      13
    • JP2 : D/A Int/Ext Ref Voltage Selection

      14
    • JP3 : Single-ended/Differential Selection

      14
    • JP4 : A/D Trigger Source Selection

      15
    • JP5 : Interrupt Level Selection

      15
    • JP6 : User Timer/Counter Clock Input Selection

      16
    • JP7 : DMA DACK Selection, JP8 : DMA DRQ Selection

      17
  • I/O Register Address

    18
    • 8254 Counter

      19
    • A/D Input Buffer Register

      19
    • D/A Output Latch Register

      20
    • D/I Input Buffer Register

      21
    • Clear Interrupt Request

      21
    • A/D Gain Control Register

      22
    • A/D Multiplex Control Register

      23
    • A/D Mode Control Register

      24
    • A/D Software Trigger Control Register

      25
    • D/O Output Latch Register

      26
  • Digital I/O

    27
  • 8254 Timer/Counter

    28
  • A/D Conversion

    29
    • A/D conversion flow

      30
    • A/D Conversion Trigger Modes

      31
    • A/D Transfer Modes

      31
    • Using software trigger and polling transfer

      32
  • D/A Conversion

    33
  • Analog Input Signal Connection

    34
  • Using OME-DB-8225 CJC Output

    38
• Connector

  39
  • CN1/CN2/CN3 Pin Assignment

    39
  • Daughter Board

    42
    • OME-DB-8225

      42
    • OME-DB-37

      42
    • OME-DB-16P

      42
    • OME-DB-16R

      42
• Calibration

  43
  • Description of Variable Resistors

    43
  • D/A Calibration

    44
  • A/D Calibration

    45
• Diagnostic Utility

  46
  • Introduction

    46
  • Running The Diagnostic Utility

    48
    • Setup

      49
    • CALIBRATION

      51
    • FUNCTION TEST

      52
    • SPECIAL TEST

      60
    • Help

      61