Omega Engineering OME-DB-889D User Manual Download Page 18 | Manualshive

Page: 18 / 27

Omega Engineering OME-DB-889D User Manual Download Page 18

4.2 Non-Floating Signal Source

Some the signal source has one side connect to a local ground. The signal ground with
OME-DB-889D ground will not be same voltage level. The input should be show as:

Common mode signal input

A.GND

Common mode Signal Source

OME-DB-889D

CH0LO

CH0HI

OME-DB-889D User’s Manual

16

«
...
16
17
18
19
20
...
»

Summary of Contents for OME-DB-889D

Page 1: ...www omega com e mail info omega com User sGuide OME DB 889D 16 Channel Analog Multiplexer Board Shop online at...

Page 2: ...court France TEL 33 0 1 61 37 29 00 FAX 33 0 1 30 57 54 27 Toll Free in France 0800 466 342 e mail sales omega fr Germany Austria Daimlerstrasse 26 D 75392 Deckenpfronn Germany TEL 49 0 7056 9398 0 FA...

Page 3: ...N ASSIGNMENT 8 3 ANALOG INPUT GAIN SETTING 10 3 1 INPUT CHANNEL SELECTION 10 3 2 GAIN SETTING 11 3 3 THE THERMOCOUPLE INPUT 12 3 3 1 Voltage TO Temperature Conversion 13 3 3 CJC OUTPUT 14 4 SIGNAL CON...

Page 4: ...are includes for open thermocouples detentions of voltage measurements or 112 channels of thermocouple measurement 1 1 Features z Connects directly to OME A 82X OME PCI 1800 series boards with D sub 3...

Page 5: ...dB 0 0004 28uS 10 99dB 0 0004 28uS 50 123dB 0 0004 140uS 100 123dB 0 0004 140uS 500 123dB 0 0008 1300uS 1000 123dB 0 0008 1300uS z Power requirement 5V 120mA z Dimension 114mm X 204mm z Operating temp...

Page 6: ...t Select by JP19 CN6 CN8 Analog input channel 0 channel 15 CN7 CJC signal output connector JP0 JP15 Channel 0 channel 15 R C filter enable Short Filter Enable Open Filter Disable JP16 Analog output ch...

Page 7: ...output channel according to the channel of the analog input card selected for that OME DB 889D board The following table illustrates the jumper setting of using the OME DB 889D with the OME A 82X ser...

Page 8: ...g the OME A 82Xseries multi function card JP19 From PC s 5V Power Default Setting From the CN5 input External 5V power 2 2 4 JP18 Local Remote Gain control The OME DB 889D provides local and remote co...

Page 9: ...4 D5 D6 The bit pattern and related gain is illustrated as CN3 D6 D5 D4 Gain 0 0 0 0 5 0 0 1 1 0 1 0 5 0 1 1 10 1 0 0 50 1 0 1 100 1 1 0 500 1 1 1 1000 Local Gain Control Sw1 1 2 3 4 Gain ON ON ON OFF...

Page 10: ...g output link to analog input connector of OME A 82X series multi function card cascaded another OME DB 889D The CN3 CN4 is digital control multiplex gain setting link to digital output connector of O...

Page 11: ...DOn DO0 DO3 Multiplexer control bit DO4 DO6 Gain control bit D GND Digital Ground 5V PC s 5V 12V PC s 12V OME DB 889D User s Manual 9...

Page 12: ...ontrolled 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...

Page 13: ...g JP18 should be place on R Switch Setting JP18 should be place on L Software Setting Remote control Switch Setting Local Control Gain DO 6 DO 5 DO 4 SW1 3 SW1 2 SW1 1 0 0 0 ON ON ON 0 5 0 0 1 ON ON O...

Page 14: ...8 OME DB 889D Gain 0 5 1 5 10 50 100 1000 Examples OME A 82XPG L Series OME DB 889D Gain 1 X 1 1 2 X 1 2 4 X 1 4 1 X 5 5 1 X 10 10 1 X 100 100 2 X 100 200 4 X 100 400 1 X 500 500 1 X 1000 1000 X X The...

Page 15: ...0 048868252 0 226584602 0 263632917 0 927763167 0 100860910 17189 45282 19873 14503 24152 10900 179075 491 169526 5150 25727 94369 282639 0850 218614 5353 67233 4248 48840341 37 31568363 94 767345 829...

Page 16: ...1000 24 4 CN7 CJC output Voltage meter A GND V Voltage of CN7 T Temperature of OME DB 889D Example Turbo C Multi Function Card OME A 822PGL The OME DB 889D JP17 placed on 7 Example Program include std...

Page 17: ...D4 D6 digital output by OME A 82x series multi function card 4 1 Floating Signal Connection The OME DB 889D has only differential input channels each input channel should be two signal wires The inpu...

Page 18: ...e has one side connect to a local ground The signal ground with OME DB 889D ground will not be same voltage level The input should be show as Common mode signal input A GND Common mode Signal Source O...

Page 19: ...D 4 3 A D Channel n OME DB 889D n n A D Channel 9 OME DB 889D 10 9 Note Each OME DB 889D JP17 place on X OME DB 889D 3 OME A 82X series A D card 1 A821PGH L 2 OME A 822PGH L 3 OME A 823PGH L 4 OME A 8...

Page 20: ...s two solder gaps for each input channel If you short the solder gaps the open thermocouple detection is enabled Channel 0 High 1 2K 15V 1uF 50V OME DB 889 1 2K 37Pin Cable GND Channel 0 Low HJ0 100M...

Page 21: ...og input OME A 82X D O control signal JP16 JP17 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...

Page 22: ...ple program uses default setup 4 Connect your signal wiring 5 Turn on your computer power 6 Installing OME A 822PGL C library 7 Now you are ready to programming Step 2 Software programming C Language...

Page 23: ...ain 1 A822_AD_SetChGainMode 0 0 1 Setup OME A 822 A D channel 0 Gain 1 Polling mode A822_DO 0x0010 Send D O data to OME DB 889D Channel 0 Gain 1 delay 10 delay about 43u sec Ref Page 3 Settling time d...

Page 24: ...DB 889D Channel 1 Gain 10 delay 10 delay about 43u sec Ref Page 3 Setting time data2 A822_AD_PollingVar Reading OME A 822 A D data vol2 float data2 2048 0 5 2048 printf OME DB 889D channel 1 6 4f V n...

Page 25: ...Description VR1 Amplifier Offset adjustment VR2 CJC Gain adjustment 6 2 Calibration Steps 1 Turn off computer power 2 Connect OME A 822PGL Or any OME A 82x series multi function card to OME DB 889D 3...

Page 26: ...shall not exceed the purchase price of the component upon which liability is based In no event shall OMEGA be liable for consequential incidental or special damages CONDITIONS Equipment sold by OMEGA...

Page 27: ...city Indicators Turbine Paddlewheel Systems Totalizers Batch Controllers pH CONDUCTIVITY pH Electrodes Testers Accessories Benchtop Laboratory Meters Controllers Calibrators Simulators Pumps Industria...

Reviews:

No comments