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Contents
1
2
3
4
5
6
Getting Started .............................................................................................................. 3
Weigh Scale Mode .......................................................................................................... 7
Analysis Mode ............................................................................................................. 11
Using the PC Software ................................................................................................... 14
Serial Console ............................................................................................................. 18
Hardware ................................................................................................................... 20
Appendix A Schematic and Layout ........................................................................................... 23
List of Figures
1
ADS1x31REF Controls and Connectors.................................................................................
4-Wire Load Cell to Terminal Block ......................................................................................
6-Wire Load Cell to Terminal Block ......................................................................................
4-Wire Load Cell to Header................................................................................................
6-Wire Load Cell to Header................................................................................................
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4
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5
2
3
4
5
6
ADS1231REF PC Software Display .................................................................................... 15
ADS1x31REF Average Data............................................................................................. 16
ADS1x31REF Hardware Block Diagram ............................................................................... 20
ADS1x31REF PCB—Top Side .......................................................................................... 25
ADS1x31REF PCB—Layer 1 ............................................................................................ 25
ADS1x31REF PCB—Layer 2 ............................................................................................ 26
ADS1x31REF PCB—Bottom Side ...................................................................................... 26
ADS1x31REF Schematic—ADC ........................................................................................ 27
ADS1x31REF Schematic—MCU ........................................................................................ 27
ADS1x31REF Schematic—USB......................................................................................... 28
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14
15
List of Tables
1
2
3
4
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7
8
9
Unit Conversion Factors and Display Formats..........................................................................
Parameters in Configuration Mode .......................................................................................
8
9
Modes and Example Displays ........................................................................................... 11
Voltage Display Ranges .................................................................................................. 12
Parameters in Analysis Mode............................................................................................ 13
Console Mode Commands............................................................................................... 19
Load Cell Header Pinout ................................................................................................. 21
Terminal Block Pinout..................................................................................................... 22
ADS1x31REF Bill of Materials .......................................................................................... 23
2
ADS1131REF and ADS1231REF
SBAU175A–July 2010–Revised August 2011
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