Omega Speaker Systems OME-DB-889D User Manuals

Table of Contents

• OME-DB-889D Multiplexer Board

  3
• 1. Function Description

  4
  • 1.1 Features

    4
  • 1.2 Applications

    4
  • 1.3 Specification

    4
• 2. Installing

  6
  • 2.1 Layout

    6
  • 2.2 Jumper setup

    7
    • 2.2.1 JP0 ~ JP15 Analog Input R/C Filter

      7
    • 2.2.2 JP16 Analog Output Channel Jumper

      7
    • 2.2.3 JP19 Internal / External Power selection

      8
    • 2.2.4 JP18 Local / Remote Gain control

      8
  • 2.3 Pin Assignment

    10
• 3 Analog input & Gain setting

  12
  • 3.1 Input Channel Selection

    12
  • 3.2 Gain Setting

    13
  • 3.3. The Thermocouple Input

    14
    • 3.3.1 Voltage - TO - Temperature Conversion

      15
  • 3.3 CJC Output

    16
• 4 Signal Connection

  17
  • 4.1 Floating Signal Connection

    17
  • 4.2 Non-Floating Signal Source

    18
  • 4.3 Cascading OME-DB-889D

    19
  • 4.4 Open Thermocouple Detection

    20
  • 4.5Block Diagram

    21
• 5 Programming

  22
  • 5.1 Using OME-A-822PGL

    22
  • 5.3 Example Program

    23
• 6. Calibration

  25
  • 6.1 Calibration VR Description

    25
  • 6.2 Calibration Steps

    25