Omega Speaker Systems OME-DB-889D 4 Signal Connection

4 Signal Connection

The OME-DB-889D can multiplex up to 16 channel differential inputs. Input channel

selection is controlled by a CN3 D4~ D6 digital output by OME-A-82x series

multi-function card.

The OME-DB-889D has only differential input channels, each input channel

should be two signal wires. The input should be connected as:

Differential signal input A.GND

Floating Signal Source OME-DB-889

CH0LO

CH0HI

OME-DB-889D User’s Manual

Contents

Main Servicing North America: USA: Canada: For immediate technical or application assistance: USA and Canada: Page OME-DB-889D Multiplexer Board 1. Function Description 1.1 Features 1.2 Applications 1.3 Specification Page 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 Remote Gain Control Local Gain Control Sw1 2.3 Pin Assignment Page 3 Analog input & Gain setting 3.1 Input Channel Selection 3.2 Gain Setting 3.3. The Thermocouple Input Gain = OME-A-82X Gain X OME-DB-889D Gain 3.3.1 Voltage - TO - Temperature Conversion Temperature Conversion Equation: 3.3 CJC Output T(C) = V*1000/24.4 4 Signal Connection 4.1 Floating Signal Connection 4.2 Non-Floating Signal Source 4.3 Cascading OME-DB-889D 17 OME-DB-889D Users Manual 4.4 Open Thermocouple Detection 4.5 Block Diagram OME-DB-889D Block Diagram 19 OME-DB-889D Users Manual 5 Programming 5.1 Using OME-A-822PGL 5.3 Example Program Page 6. Calibration 6.1 Calibration VR Description 6.2 Calibration Steps WARRANTY/DISCLAIMER RETURN REQUESTS/INQUIRIES M4019/1103 Where Do I Find Everything I Need for Process Measurement and Control? OMEGAOf Course! Shop online at www.omega.com TEMPERATURE PRESSURE, STRAIN AND FORCE FLOW/LEVEL pH/CONDUCTIVITY