Omega Speaker Systems OME-DB-889D manual Block Diagram

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4.5 Block Diagram

	CN1	CN2	JP16	JP17	CN8 Connector with R/C filter
	CN1	CN2
OME-A-82X
Analog input					AMP	16 channel Multiplexer
Analog input
						VR1
						CJC
			Dip Switch		Control
OME-A-82X	CN3	CN4			Control
	CN3	CN4			Logic
					Logic	VR2
D/O control signal						VR2
D/O control signal
					CN6 Connector with R/C filter
				OME-DB-889D Block Diagram

CN1: connect to OME-A-82x series multi-function card

CN2: connect to CN1 of another OME-DB-889D

CN3: connect to OME-A-82x series digital output

CN4: connect to CN3 of another OME-DB-889D

AMP: programmable gain amplifier (PGA)

VR1: PGA off-set adjustment.

VR2: CJC gain adjustment

OME-DB-889D User’s Manual

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Contents User’sGuide Servicing North America OME-DB-889D User’s Manual Specification FeaturesOME-DB-889D Multiplexer Board Function Description ApplicationsFSR Layout Installing1 JP0 ~ JP15 Analog Input R/C Filter Jumper setup3 JP19 Internal / External Power selection Local Gain Control Sw1 Pin Assignment Page Input Channel Selection Analog input & Gain settingGain Setting Gain = OME-A-82X Gain X OME-DB-889D Gain Thermocouple InputVoltage to Temperature Conversion TC = V*1000/24.4 CJC OutputFloating Signal Connection Signal ConnectionNon-Floating Signal Source OME-A-82X OME-DB-889D Cascading OME-DB-889DOpen Thermocouple Detection Block Diagram Programming Using OME-A-822PGLDEMO01.C Example ProgramPage Calibration Calibration VR DescriptionCalibration Steps WARRANTY/DISCLAIMER Temperature