- OMEGA 16-Channel Analog Multiplexer Board User's Guide
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OME-DB-889D
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Table Of Contents
OME-DB-889D Multiplexer Board
1. Function Description
1.1 Features
1.2 Applications
1.3 Specification
2. Installing
2.1 Layout
2.2 Jumper setup
2.2.1 JP0 ~ JP15 Analog Input R/C Filter
2.2.2 JP16 Analog Output Channel Jumper
2.2.3 JP19 Internal / External Power selection
2.2.4 JP18 Local / Remote Gain control
2.3 Pin Assignment
3 Analog input & Gain setting
3.1 Input Channel Selection
3.2 Gain Setting
3.3. The Thermocouple Input
3.3.1 Voltage - TO - Temperature Conversion
3.3 CJC Output
4 Signal Connection
4.1 Floating Signal Connection
4.2 Non-Floating Signal Source
4.3 Cascading OME-DB-889D
4.4 Open Thermocouple Detection
4.5Block Diagram
5 Programming
5.1 Using OME-A-822PGL
5.3 Example Program
6. Calibration
6.1 Calibration VR Description
6.2 Calibration Steps
DOn : DO0~DO3 Multiplexer control bit.
DO4~DO6
Gain
control
bit
D.
GND
:
Digital
Ground +5V
:
PC’s
+5V +12V
PC’s
+12V
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