Omega Speaker Systems OME-DB-889D manual Analog input & Gain setting, Input Channel Selection

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3 Analog input & Gain setting

3.1 Input Channel Selection

The DB-990D provides 15 channel differential analog inputs. Input channel selection is controlled by the 4 bit TTL/CMOS digital data (CN3 DO0~DO3) issued by the OME-A-82x series multi-function card.

DO 3	DO 2	DO 1	DO 0	Analog input
				channel
0	0	0	0	0
0	0	0	1	1
0	0	1	0	2
0	0	1	1	3
0	1	0	0	4
0	1	0	1	5
0	1	1	0	6
0	1	1	1	7
1	0	0	0	8
1	0	0	1	9
1	0	1	0	10
1	0	1	1	11
1	1	0	0	12
1	1	0	1	13
1	1	1	0	14
1	1	1	1	15

OME-DB-889D User’s Manual

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Contents User’sGuide Servicing North America OME-DB-889D User’s Manual Features SpecificationOME-DB-889D Multiplexer Board Function Description ApplicationsFSR Installing LayoutJumper setup 1 JP0 ~ JP15 Analog Input R/C Filter3 JP19 Internal / External Power selection Local Gain Control Sw1 Pin Assignment Page Analog input & Gain setting Input Channel SelectionGain Setting Thermocouple Input Gain = OME-A-82X Gain X OME-DB-889D GainVoltage to Temperature Conversion CJC Output TC = V*1000/24.4Signal Connection Floating Signal ConnectionNon-Floating Signal Source Cascading OME-DB-889D OME-A-82X OME-DB-889DOpen Thermocouple Detection Block Diagram Using OME-A-822PGL ProgrammingExample Program DEMO01.CPage Calibration Calibration VR DescriptionCalibration Steps WARRANTY/DISCLAIMER Temperature